UNITRONICS UIS-WCB1 Wide Modules User Guide

June 15, 2024
UNITRONICS

UNITRONICS UIS-WCB1 Wide Modules

Product Information

The Uni-I/OTM Wide Modules are a family of Input/output modules that are compatible with the OneStream TM control platform. These Wide Modules are 1.5 times as wide as Uni-I/OTM modules, allowing for more I/O points in less space. The UIS-WCB1 Uni-I/OTM module is specifically covered in this user guide.

The UniStreamTM platform is an all-in-one Programmable Logic  Controller (PLC) system that consists of CPU controllers, HMI panels, and local I/O modules. These components can be easily snapped together to form a complete control system.

Installation of Uni-I/OTM modules can be done in two ways

  1. Onto the back of any UniStreamTM HMI Panel that comprises a CPU-for Panel.
  2. Onto a DIN-rail using a Local Expansion Kit.

The maximum number of Uni-I/OTM Wide modules that can be connected to a single CPU controller is limited. For detailed information, please refer to the specification sheets of the UniStreamTM CPU or any relevant Local Expansion Kits.

Before installing the device, the installer must read and understand the user guide and verify the kit contents. Installation options depend on whether you are installing the Uni-I/OTM module onto a UniStreamTM HMI Panel or a DIN- rail.

introduction

Uni-I/O™ Wide Modules| User Guide UIS-WCB1|
---|---|---
Uni-I/O™ Wide is a family of Input/Output modules that are compatible with the UniStream™ control platform. Wide Modules are 1.5 times as wide as Uni-I/O™ modules, and comprise more I/O points in less space.

This guide provides basic installation information for UIS-WCB1 Uni-I/O™ module. Technical specifications may be downloaded from the Unitronics website.

The UniStream™ platform comprises CPU controllers, HMI panels, and local I/O modules

that snap together to form an all-in-one Programmable Logic Controller (PLC).

Install Uni-I/O™ modules:

  • Onto the back of any UniStream™ HMI Panel comprising a CPU-for- Panel.
    Onto a DIN-rail, using a Local Expansion Kit.

|

|

The maximum number of Uni-I/O™ Wide modules that can be connected to a single CPU controller is limited. For details, please refer to the specification sheets of the UniStream™ CPU or any of the relevant Local Expansion Kits.
**Before You Begin**
Before installing the device, the installer must:

  • Read and understand this document.
  • Verify the Kit Contents.

Installation option requirements

If you are installing a Uni-I/O™ module onto:

  • A UniStream™ HMI Panel; the Panel must comprise a CPU-for-Panel, installed according to the CPU-for- Panel installation guide.
  • A DIN-rail; you must use a Local Expansion Kit, available by separate order, to integrate the Uni-I/O™ modules on the DIN-rail into a UniStream™ control system.

**Alert Symbols and General Restrictions**


When any of the following symbols appear, read the associated information carefully.
| Symbol| Meaning| Description
| | Danger| The identified danger causes physical and property damage.
| | Warning| The identified danger could cause physical and property damage.
| Caution| Caution| Use caution.

  • All examples and diagrams are intended to aid understanding, and do not guarantee operation. Unitronics accepts no responsibility for actual use of this product based on these examples.
  • Please dispose of this product according to local and national standards and regulations.
  • This product should be installed only by qualified personnel.

|

  • Failure to comply with appropriate safety guidelines can cause severe injury or property damage.
  • Do not attempt to use this device with parameters that exceed permissible levels.
  • Do not connect/disconnect the device when power is on.

|

  • Ventilation: 10mm (0.4”) of space is required between the device top/bottom edges and the enclosure’s walls.
  • Do not install in areas with: excessive or conductive dust, corrosive or flammable gas, moisture or rain, excessive heat, regular impact shocks or excessive vibration, in accordance with the standards and limitations given in the product’s technical specification sheet.
  • Do not place in water or let water leak onto the unit.
  • Do not allow debris to fall inside the unit during installation.
  • Install at maximum distance from high-voltage cables and power equipment.

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Kit Contents|
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§  1 Uni-I/O™ module| §  4 I/O terminal blocks (2 black and 2 gray)
Uni-I/O™ Diagram


1| DIN-rail clips| Provide physical support for CPU and modules. There are two clips: one at the top (shown), one at the bottom (not shown).
2| I/Os| I/O connection points
3
4| I/O Bus – Left| Left-side Connector
5| Bus Connector Lock| Slide the Bus Connector Lock to the left, to electrically connect the Uni-I/O™ module to the CPU or adjacent module.
6| I/O Bus – Right| Right-Side Connector, shipped covered. Leave covered when not in use.
Bus Connector Cover
7| I/Os| I/O connection points
8
9| Output LEDs| Green / Red LEDs
---|---|---
10| Input LEDs| Green / Red LEDs
11| Status LED| Tricolor LED, Green/Red/Orange
N OTE|

  • Refer to the module’s specification sheet for LED indications.

12| Module door| Shipped covered with protective tape to prevent the door from being scratched. Remove tape during installation.
13| Screw holes| Enable panel-mounting; hole diameter: 4mm (0.15”).

Unironic


The I/O Bus connectors provide the physical and electrical connection points between modules. The connector is shipped covered by a protective cover, protecting the connector from debris, damage, and ESD.

The I/O Bus – Left (#4 in diagram) can be connected to either a CPU-for-Panel, a

Uni-COM™ Communication module, to another Uni-I/O™ module or to the End Unit of a Local Expansion Kit.

The I/O Bus – Right (#6 in diagram) can be connected to another I/O module, or to the Base Unit of the Local Expansion Kit.


Caution|

  • If the I/O module is located last in the configuration, and nothing is to be connected to it, do not remove its Bus Connector Cover.

Installation

  • Turn off system power before connecting or disconnecting any modules or devices.
  • Use proper precautions to prevent Electro-Static Discharge (ESD).

Installing a Uni-I/O™ Module onto a UniStream™ HMI Panel

NOTE

The DINrail type structure on the back of the panel provides the physical support for the Uni-I/O™ module.

  1. Check the unit to which you will connect the Uni-I/O™ module to verify that its Bus Connector is not covered.
    If the Uni-I/O™ module is to be the last one in the configuration, do not remove the cover of its I/O Bus Connector – Right.

  2. Open the door of the Uni-I/O™ module and hold it as shown in the accompanying figure.

  3. Use the upper and lower guidetunnels (tongue & groove) to slide the Uni-I/O™ module into place.

  4. Verify that the DIN-rail clips located at the top and bottom of the Uni-I/O™ module have snapped onto the DIN-rail.

  5.  Slide the Bus Connector Lock all the way to the left as shown in the accompanying figure.

  6.  If there is already a module located to its right, complete the connection by sliding the Bus Connector lock of the adjacent unit to the left.

  7.  If the module is the last in the configuration, leave the I/O bus connector covered.

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Removing a Module

  1. Turn off the system power.
  2. Disconnect the I/O terminals (#2,3,7,8 in the diagram).
  3. Disconnect the Uni-I/O™ module from the adjacent units: slide its Bus Connector Lock to the right. If there is a unit located on its right, slide the lock of this module to the right as well.
  4. On the Uni-I/O™ module, pull the top DIN-rail clip up and the bottom clip down.
  5. Open the door of the Uni-I/O™ module and hold it with two fingers as shown in the figure on page 3; then pull it carefully from its place.

Installing Uni-I/O™ modules onto a DIN-rail

To mount modules onto a DIN-rail, follow steps 1-7 in Installing a Uni-I/O™ Module onto a UniStream™ HMI Panel on page 3.
In order to connect the modules to a UniStream™ controller, you must use a Local Expansion Kit.
These kits are available with and without power supplies, and with cables of varying lengths. For complete information, please refer to the installation guide of the relevant Local Expansion Kit.

Numbering Modules

You can number modules for reference purposes. A set of 20 stickers is provided with every CPU-for-Panel; use these stickers to number the modules.

  • The set contains numbered and blank stickers as shown in the figure to the left.

  • Place them on the modules as shown in the figure to the right.

UL Compliance

  • The following section is relevant to Unitronics’ products that are listed with the UL.
  • The following models: UIS-WCB1 is UL listed for Hazardous Locations.
  • The following models: UIS-WCB1 is UL listed for Ordinary Location.

UL Ratings, Programmable Controllers for Use in Hazardous Locations, Class I, Division 2, Groups A, B, C and D

These Release Notes relate to all Unitronics products that bear the UL symbols used to mark products that have been approved for use in hazardous locations, Class I, Division 2, Groups A, B, C and D.

Caution

  • This equipment is suitable for use in Class I, Division 2, Groups A, B, C and D, or Non-hazardous locations only.▪ Input and output wiring must be in accordance with Class I, Division 2 wiring methods and in accordance with the authority having jurisdiction.
  • WARNING—Explosion Hazard—substitution of components may impair suitability for Class I, Division 2.
  • WARNING – EXPLOSION HAZARD – Do not connect or disconnect equipment unless power has been switched off or the area is known to be non-hazardous.
  • WARNING – Exposure to some chemicals may degrade the sealing properties of material used in Relays.
  • This equipment must be installed using wiring methods as required for Class I, Division 2 as per the NEC and/or CEC.

Certification UL des automates  Class I, Division 2, Groups A, B, C et D.

Wiring

  • This equipment is designed to operate only at SELV/PELV/Class 2/Limited Power environments.
  • All power supplies in the system must include double insulation. Power supply outputs must be rated as SELV/PELV/Class 2/Limited Power.
  • Do not connect either the ‘Neutral’ or ‘Line’ signal of the 110/220VAC to device’s 0V point.
  • Do not touch live wires.
  • All wiring activities should be performed while power is OFF.
  • Use over-current protection, such as a fuse or circuit breaker, to avoid excessive currents into the UIS-WCB1 module supply port.
  • Unused points should not be connected (unless otherwise specified). Ignoring this directive may damage the device.
  • Double-check all wiring before turning on the power supply.

Caution

  • To avoid damaging the wire, use a maximum torque.
  • Do not use tin, solder, or any substance on stripped wire that might cause the wire strand to break.
  •  Install at maximum distance from high-voltage cables and power equipment.

Wiring Procedure

Use crimp terminals for wiring; use 26-12 AWG wire (0.13 mm2 –3.31 mm2).

  1. Strip the wire to a length of 7±0.5mm (0.250–0.300 inches).
  2. Unscrew the terminal to its widest position before inserting a wire.
  3. Insert the wire completely into the terminal to ensure a proper connection.
  4. Tighten enough to keep the wire from pulling free.

UIS-WCB1 Connection Points

All wiring diagrams and instructions in this document refer to the UIS-WCB1 connection points. These are arranged in four groups of eleven points each, as shown in the figure to the right.

Two top groups
Input connection points

Two bottom groups
Outputs and power supply connection points
The function of certain I/Os may be adapted via wiring and software settings.

Wiring Guidelines

In order to ensure that the device will operate properly and to avoid electromagnetic interference:

  • Use a metal cabinet. Make sure the cabinet and its doors are properly earthed.
  • Use wires that are properly sized for the load.
  • Use shielded twisted pair cables for wiring High Speed and Analog I/O signals.
  • Use shielded cables for wiring thermocouple and RTD signals.
  • In either case, do not use the cable shield as a signal common / return path.
  • Route each I/O signal with its own dedicated common wire. Connect common wires at their respective common (CM) points at the I/O module.
  • Individually connect each 0V point and each common (CM) point in the system to the power supply 0V terminal, unless otherwise specified.
  • Individually connect each functional earth point ( ) to the earth of the system (preferably to the metal cabinet chassis). Use the shortest and thickest wires possible: less than 1m (3.3’) in length, minimum thickness 14 AWG (2 mm2).
  • Connect the power supply 0V to the earth of the system.
  • Earthing the cables’ shield:
    • Connect the cable shield to the earth of the system – preferably to the metal cabinet chassis. Note that the shield must be connected only at one end of the cable; typically, earthing the shield at the UIS-WCB1 end performs better.
    • Keep shield connections as short as possible.
    • Ensure shield continuity when extending shielded cables.

NOTE

For detailed information, refer to the document System Wiring Guidelines, located in the Technical Library in the Unitronics’ website.

Wiring the Power Supply

This module requires an external, regulated 24VDC power supply.

  • The power supply port is not isolated from the bus; therefore the 0V of the power supply port must be connected to the HMI Panel’s 0V.
  • Ignoring this directive may damage the device.
  • Connect the 24V and 0V terminals as shown in the accompanying figure.

Wiring the Digital Inputs

All 10 digital inputs share the common point CM1. The digital inputs may be wired altogether as sink or source.
Inputs I0, I1, I3, and I4 can be configured as either normal digital inputs or as high speed inputs that can receive high speed pulse signals from sensors or shaft encoders.
Inputs I2 and I5 through I9 can function only as normal digital inputs.

High Speed Input Modes
Following are the different pin assignments for the high speed channels:

| Channel 1| | Channel 2
---|---|---|---
I0| I1| I3| I4
Quadrature| Phase A| Phase B| | Phase A| Phase B
Pulse/Direction| Pulse| Direction| | Pulse| Direction

NOTE

  • Input modes are set both by wiring and software.
  • When connecting pulse sources without a direction signal, leave the direction pin unconnected. Note that in this configuration, the direction pin cannot be used as normal input.

Input wiring, sink

Input wiring, source

NOTE

  • Use sink input wiring to connect a sourcing (pnp) device.
  • Use source input wiring to connect a sinking (npn) device.

Wiring the Analog Inputs
Both inputs share the common point CM0.

NOTE

  • Each input offers two modes: voltage or current. You can set each input independently. The mode is determined both by wiring and by the hardware configuration within the software application.
  • Voltage and current modes use distinct points. Connect only the point associated with the selected mode; leave the other point unconnected.

Voltage

Current

4-wire

NOTE

  • Each input offers three modes: thermocouple, mV or RTD. You can set each input independently. The mode is determined both by wiring and by the hardware configuration within the software application.

In order to maintain correct operation of the temperature inputs, connect together points RTn+ and RTn- of unused temperature inputs and leave point Rn+ unconnected (n designates input number).

Thermocouple and mV

NOTE|
When using thermocouple or mV modes, leave point Rn+unconnected (n designates input number).

About thermocouple isolation
Although the temperature inputs are isolated from the bus and the module’s power-supply port, they are neither isolated from each other nor from the analog inputs. Therefore, temperature inputs isolation may be bypassed when using an exposed-junction (non-isolated) thermocouple in conjunction with analog inputs or another exposed-junction thermocouple, which can lead to flow of unwanted currents through the thermocouple wires that might interfere with thermocouple voltage reading.
In order to maintain temperature inputs isolation when using one or more of the analog inputs or when using more than one thermocouple, either:

  • Use isolated-junction thermocouples, or, if you are not using the analog inputs, you may use up to one exposed-junction thermocouple per UIS-WCB1 module;
  • Electrically isolate exposed-junction thermocouples from other electrically-conductive parts of the system
  • When connecting 3- or 4-wire RTDs, make sure to use conductors of the same type, width, and length for all RTD wires, otherwise module accuracy will degrade.
  • When connecting 4-wire RTDs, use 3-wire cable and leave the unused wire unconnected with minimal length

Wiring the Relay Outputs

To avoid risk of fire or property damage, always use a limited current source or connect a current limiting device in series with the relay contacts.

  • All 8 relay outputs share the common point CM5.

Increasing contact life span
To increase the life span of the relay contacts and protect the module from potential damage by reverse EMF, connect

  • clamping diode in parallel with each inductive DC load.
  •  an RC snubber circuit in parallel with each inductive AC load.

Wiring the Transistor Outputs
Both transistor outputs are of Sink (npn) type.

Connect a current limiting device in series with outputs O0 and O1. These outputs are not short-circuit protected.

  • Outputs O0 and O1 can independently be configured as either normal digital outputs or as high speed PWM outputs.
  • Outputs O0 and O1 share the common point CM4.
  • CM4 is internally connected to the 0V point. To minimize EMI emission by high-speed signals’ wiring, do not externally connect CM4 to the system 0V.

Do not use point CM4 for any purpose other than connecting the digital output load. Using it for any other purpose may damage the module.

Wiring the Analog Outputs

NOTE\

  • Each output offers two modes: voltage or current. You can set each output independently. The mode is determined both by wiring and by the hardware configuration within the software application.
  • Voltage and current modes use distinct points. Connect only the point associated with the selected mode; leave the other point unconnected.

Each output has its own common point (CM2 for O0, CM3 for O1). Connect each analog output using its corresponding CM point.
CM2 and CM3 are internally connected to the 0V point. To minimize EMI pickup by analog signals’ wiring, do not externally connect CM2 or CM3 to the system 0V.

  • Do not use points CM2 or CM3 for any purpose other than connecting the analog output load. Using them for any other purpose may damage the module.
  1. Voltage
  2. Current

This guide provides specifications for Unitronics’ Uni-I/O™ Wide module UIS- WCB1. This module comprises

  • 10 Digital inputs, 24VDC, sink/source, including 2 High speed counter input channels (8) (9)
  • 2 x Analog inputs, 0÷10V / 0÷20mA, 14 bits,
  • 2 x Temperature inputs, RTD / Thermocouple,
  • 8 x Relay outputs,
  • 2 x Transistor outputs, npn, including 2 High speed PWM output channels (8) (10)
  • 2 x Analog outputs, 0÷10V / -10÷10V / 0÷20mA / 4÷20mA, 13/14 bits

Uni-I/O Wide modules are compatible with UniStream™ Programmable Logic Controllers. They may be either snapped onto the back of a UniStream™ HMI Panel next to a CPU-for-Panel to create an all-in-one HMI + PLC controller, or installed on a standard DIN Rail using a Local Expansion Adapter.

Installation Guides are available in the Unitronics Technical Library at www.unitronics.com.

Power Supply

Nominal operating voltage| 24VDC
Operating voltage| 20.4 – 28.8VDC
Maximum current consumption| 180mA@24VDC
Isolation| None

Digital Inputs


Number of inputs| 10
Type| Sink or Source
Isolation voltage|
Input to bus| 500VAC for 1 minute
Input to input| None
Input to power supply| 500VAC for 1 minute
Nominal voltage| 24VDC @ 6mA
Input voltage|
Sink/Source| On state: 15-30VDC, 4mA min. Off state: 0-5VDC, 1mA max.
Nominal impedance| 4kΩ
Filter| Settable between 1 to 32ms
High speed inputs (8) (9)|
Frequency / Period| Pulse/Direction mode: 10kHz max. / 100ms min. (tp in the Pulse/Dir Mode figure below)

Quadrature mode: 5kHz max. / 200ms min. (tp in the Quadrature Mode figure below)

Pulse width| 40ms min. for each state (tw in the figures below)
Cable| Shielded twisted pair

Analog Inputs


Number of inputs| 2
Input range (11) (12)| Input Type| Nominal Values| Over-range Values **
0 ÷ 10VDC| 0 ≤ Vin ≤ 10VDC| 10 < Vin ≤ 10.15VDC
0 ÷ 20mA| 0 ≤ Iin ≤ 20mA| 20 < Iin ≤ 20.3mA
Overflow**(13) is declared when an input value exceeds the Over-range boundary.
Absolute maximum rating| ±30V (Voltage), ±30mA (Current)
RTD Maximum excitation current| 0.17mA
Isolation voltage|
Input to bus| 500VAC for 1 minute
Input to input| None
Input to temperature inputs| None
Input to power supply| 500VAC for 1 minute
Conversion method| Delta-sigma
Resolution| 14 bits
Accuracy

(25°C / -20°C to 55°C)

| ±0.2% / ±0.5% of full scale (Voltage)

±0.2% / ±0.3% of full scale (Current)

Input impedence| 492kΩ (Voltage), 30Ω (Current)
Noise rejection| 10Hz, 50Hz, 60Hz, 400Hz
Step response (14)

(0 to 100% of final value)

| Smoothing| Noise Rejection Frequency
---|---|---
400Hz| 60Hz| 50Hz| 10Hz
None| 251.6 ms| 411.6 ms| 491.6 ms| 2411.6 ms
Weak| 503.2 ms| 823.2 ms| 983.2 ms| 4823.2 ms
Medium| 1006.4 ms| 1646.4 ms| 1966.4 ms| 9646.4 ms
Strong| 2012.7 ms| 3292.7 ms| 3932.7 ms| 19292.7 ms
Update time (14)| Noise Rejection Frequency| Update Time
400Hz| 251.6 ms
60Hz| 411.6 ms
50Hz| 491.6 ms
10Hz| 2411.6 ms
Cable| Shielded twisted pair
Diagnostics (13)| Analog input overflow
Temperature Inputs

Number of inputs| 2
Sensor Type| RTD (4, 3 and 2 wire(15)), Themocouple
Input range (16)| Input type| Nominal values| Over/Under-range
| | | **Values ***
| RTD| -200°C ≤ T ≤ 850°C| Under-range:
| PT100| (-328°F ≤ T ≤ 1,562°F)| -220°C ≤ T < -200°C
| 0.00385| | (-364°F ≤ T < -328°F)
| 0.00392

0.00391

| | Over-range:

850°C < T ≤ 860°C

| | | (1,562°F < T ≤ 1,580°F)
| RTD| -100°C ≤ T ≤ 260°C| Under-range:
| NI100| (-148°F ≤ T ≤ 500°F)| -150°C ≤ T < -100°C
| 0.00618| | (-238°F ≤ T < -148°F)
| | | Over-range:
| | | 260°C < T ≤ 270°C
| | | (500°F < T ≤ 518°F)
| RTD| -80°C ≤ T ≤ 260°C| Under-range:
| NI120| (-112°F ≤ T ≤ 500°F)| -130°C ≤ T < -80°C
| 0.00672| | (-202°F ≤ T < -112°F)
| | | Over-range:
| | | 260°C < T ≤ 270°C
| | | (500°F < T ≤ 518°F)
| RTD| -60°C ≤ T ≤ 180°C| Under-range:
| NI100| (-76°F ≤ T ≤ 356°F)| -104°C ≤ T < -60°C
| 0.00617| | (-219°F ≤ T < -76°F)
| | | Over-range:
| | | 180°C < T ≤ 210°C
| | | (356°F < T ≤ 410°F)
| Thermocouple type J| -200°C ≤ T ≤ 1,200°C

(-328°F ≤ T ≤ 2,192°F)

| Under-range:

-210°C ≤ T < -200°C (-346°F ≤ T < -328°F)

Over-range:

1,200°C < T ≤ 1,250°C (2,192°F < T ≤ 2,282°F)

---|---|---|---
Thermocouple type K| -200°C ≤ T ≤ 1,372°C

(-328°F ≤ T ≤ 2,501.6°F)

| Under-range:

-270°C ≤ T < -200°C (-454°F ≤ T < -328°F)

Over-range:

1,372°C < T ≤ 1,400°C

(2,501.6°F < T ≤ 2,552°F)

Thermocouple type T| -200°C ≤ T ≤ 400°C

(-328°F ≤ T ≤ 752°F)

| Under-range:

-270°C ≤ T < -200°C (-454°F ≤ T <-328°F)

Over-range:

400°C < T ≤ 430°C

(752°F < T ≤ 806°F)

Thermocouple type E| -200°C ≤ T ≤ 1,000°C

(-328°F ≤ T ≤ 1,832°F)

| Under-range:

-270°C ≤ T < -200°C (-454°F ≤ T < -328°F)

Over-range:

1,000°C < T ≤ 1,010°C

(1,832°F < T ≤ 1,850°F)

Thermocouple type R| 0°C ≤ T ≤ 1,768°C

(32°F ≤ T ≤ 3,214.4°F)

| Under-range:

-50°C ≤ T < 0°C

(-58°F ≤ T < 32°F)

Over-range:

1,768°C < T ≤ 1,800°C

(3,214.4°F < T ≤ 3,272°F)

Thermocouple type S| 0°C ≤ T ≤ 1,768°C

(32°F ≤ T ≤ 3,214.4°F)

| Under-range:

-50°C ≤ T < 0°C

(-58°F ≤ T < 32°F)

Over-range:

1,768°C < T ≤ 1,800°C

(3,214.4°F < T ≤ 3,272°F)

Thermocouple type B| 200°C ≤ T ≤ 1,820°C (392°F ≤ T ≤ 3,308°F)| Under-range:

100°C ≤ T < 200°C (212°F ≤ T < 392°F)

Over-range:

1,820°C < T ≤ 1,870°C (3,308°F < T ≤ 3,398°F)

Thermocouple type N| -210°C ≤ T ≤ 1,300°C

(-346°F ≤ T ≤ 2,372°F)

| Under range:

-270°C ≤ T < -210°C (-454°F ≤ T < -346°F)

Over-range:

1,300°C < T ≤ 1,350°C

(2,372°F < T ≤ 2,462°F)

| Thermocouple type C| 10°C ≤ T ≤ 2,315°C (50°F ≤ T ≤ 4,199°F)| Under-range:

0°C ≤ T < 10 °C (32°F ≤ T < 50°F)

Over-range:

2,315°C < T ≤ 2,370°C (4,199°F < T ≤ 4,298°F)

---|---|---|---
Resistance| 0Ω ≤ R ≤ 390Ω| 390Ω < R ≤ 395.85Ω
mV| -70mV ≤ V ≤ 70mV| Under-range:

-71.05mV ≤ V < -70mV

Over-range:

70mV ≤ V < 71.05mV

* Overflow or Underflow(13) is declared when an input value exceeds the Over-range or Under-range boundaries respectively.
Absolute maximum rating| ±36 V
Isolation voltage|
Input to bus| 500 VAC for 1 minute
Input to input| None
Input to analog inputs| None
Input to power supply| 500 VAC for 1 minute
Conversion method| Delta-sigma
Resolution| Temperature – 0.1°C (0.1°F) (17)

Resistance – 14 bits mV – 13 bits plus sign

Accuracy

(25°C / -20°C to 55°C)

| Input type| Accuracy
RTD, all types| ± 0.5°C / ± 1.0°C (± 0.9°F / ± 1.8°F)
Thermocouple type J (18)| ± 0.4°C / ± 0.7°C (± 0.72°F / ± 1.26°F)
Thermocouple type K (18)| ± 0.5°C / ± 1.0°C (± 0.9°F / ± 1.8°F)
Thermocouple type T (18)| ± 0.6°C / ± 1.2°C (± 1.08°F / ± 2.16°F)
Thermocouple type E (18)| ± 0.4°C / ± 0.8°C (± 0.72°F / ± 1.44°F)
Thermocouple type R (18)| ± 1.2°C / ± 2.4°C (± 2.16°F / ± 4.32°F)
Thermocouple type S (18)| ± 1.2°C / ± 2.4°C (± 2.16°F / ± 4.32°F)
Thermocouple type B (18)| ± 2.0°C / ± 3.8°C (± 3.46°F / ± 6.84°F)
Thermocouple type N (18)| ± 1.0°C / ± 1.5°C (± 1.8°F / ± 2.7°F)
Thermocouple type C (18)| ± 0.8°C / ± 2.0°C (±1.44°F / ± 3.46°F)
Resistance| ± 0.05% / ± 0.1% of full scale
mV| ± 0.05% / ± 0.1% of full scale
Noise rejection| 10Hz, 50 Hz, 60 Hz, 400 Hz
Step response (14)

(0 to 100% of final value)

| Smoothing| Noise Rejection Frequency
400Hz| 60Hz| 50Hz| 10Hz
None| 251.6 ms| 411.6 ms| 491.6 ms| 2411.6 ms
Weak| 503.2 ms| 823.2 ms| 983.2 ms| 4823.2 ms
Medium| 1006.4 ms| 1646.4 ms| 1966.4 ms| 9646.4 ms
Strong| 2012.7 ms| 3292.7 ms| 3932.7 ms| 19292.7 ms
Update time (14)| Noise Rejection Frequency| Update Time
---|---|---
400Hz| 251.6 ms
60Hz| 411.6 ms
50Hz| 491.6 ms
10Hz| 2411.6 ms
Thermocouple

Cold junction error (18)

| ±1.5°C (±2.7°F)
Cable| Shielded, see installation guide for details
Diagnostics (13)| Input Overflow or Underflow, sensor connection fault (19)

Relay Outputs


Number of outputs| 8 (O2 to O9)
Output type| Relay, SPST-NO (Form A)
Isolation voltage|
Output to bus| 1,500VAC for 1 minute
Output to output| None
Output to power supply| 1,500VAC for 1 minute
Current| 2A maximum per output Total 8A maximum (Resistive load)
Voltage| 250VAC / 30VDC maximum
Minimum load| 1mA, 5VDC
Switching time| 10ms maximum
Short-circuit protection| None
Life expectancy (20)| 100k operations at maximum load

Transistor Outputs


Number of outputs| 2 (O0 and O1)
Output type| Transistor, Sink
Isolation| None
Current| 50mA max. per output
Voltage| Nominal: 24VDC

Range: 3.5V to 28.8VDC

On state voltage drop| 1V max
Off state leakage current| 10µA max
Short circuit protection| None
Switching times| Turn-on: 0.4ms max. (470Ω and 4kΩ load)

Turn-off: 1.1ms max. (470Ω load), 3.4ms max. )4kΩ load(

High speed outputs (8) (10)|
PWM Frequency| 6Hz min.

250kHz max. (470Ω load)

100kHz max. )4kΩ load(

Cable| Shielded twisted pair

Analog Outputs


Number of outputs| 2
Output range (21)| Output Type| Nominal Values| Over/Under-range Values **
0 ÷ 10VDC| 0 ≤ Vout ≤ 10VDC| 10 < Vout ≤ 10.15VDC
-10 ÷ 10VDC| -10 ≤ Vout ≤ 10VDC| -10.15 £ Vout < -10VDC 10 < Vout ≤ 10.15VDC
0 ÷ 20mA| 0 ≤ Iout ≤ 20mA| 20 ≤ Iout ≤ 20.3mA
4 ÷ 20mA| 4 ≤ Iout ≤ 20mA| 20 ≤ Iout ≤ 20.3mA
Overflow or Underflow** is declared when an output value exceeds the Over-range or Under-range boundaries respectively.
Isolation| None
Resolution| 0 ÷ 10VDC – 14 bit

-10 ÷ 10VDC – 13 bit + sign 0 ÷ 20mA – 13 bit

4 ÷ 20mA – 13 bit

Accuracy

(25°C /-20°C to 55°C)

| ±0.3% / ±0.5% of full scale (Voltage)

±0.5% / ±0.7% of full scale (Current)

Load impedance| Voltage – 2kΩ minimum

Current – 600Ω maximum

Settling time

(95% of new value)

| 0 ÷ 10VDC – 1.8ms (2kΩ resistive load), 3.7ms (2kΩ + 1uF load)

-10 ÷ 10VDC – 3ms (2kΩ resistive load), 5.5ms (2kΩ + 1uF load)

0 ÷ 20mA and 4 ÷ 20mA – 1.7ms (600Ω load), 1.7ms (600Ω + 10mH

load)

Short circuit protection (voltage mode)| Yes (no indication)
Cable| Shielded twisted pair
Diagnostics (13)| Current – Open circuit indication Supply level – Normal / Low or missing

IO/COM Bus


Bus maximum current consumption| 110mA

LED Indications


Digital Input LEDs| Green| Input state
Analog Input LEDs| Red| On: Input value is in Overflow
Temperature Input LEDs| Red| On: Input value is in Overflow, Underflow, or a connection fault occurs
Relay and Transistor Output LEDs| Green| Output state
Analog Output LEDs| Red| On: Open Circuit (when set to Current mode)
Status LED| A triple color LED. Indications are as follows:
Color| LED State| Status

Green

| On| Operating normally
Slow blink| Boot
Rapid blink| OS initialization
Green/Red| Slow blink| Configuration mismatch
Red| On| No power provided to the module
Slow blink| No IO exchange
Rapid blink| Communication error
Orange| Rapid blink| OS Upgrade

Environmental


Protection| IP20, NEMA1
Operating temperature| -20°C to 55°C (-4°F to 131°F)
Storage temperature| -30°C to 70°C (-22°F to 158°F)
Relative Humidity (RH)| 5% to 95% (non-condensing)
Operating Altitude| 2,000m (6,562 ft)
Shock| IEC 60068-2-27, 15G, 11ms duration
Vibration| IEC 60068-2-6, 5Hz to 8.4Hz, 3.5mm constant amplitude, 8.4Hz to 150Hz, 1G acceleration.

Dimensions

|
---|---
Weight| 0.250 kg (0.551 lb)
Size| Identical for all models, as shown in the images below

Notes

  • The UIS-WCB1 utilizes two high speed blocks that can each be assigned either to the inputs or to the outputs.

  • Four of the digital inputs may be configured to function either as normal, or as high speed digital inputs, that can receive high speed pulse signals from up to two sensors or shaft encoders.

  • The two transistor outputs may be configured to function either as normal, or as high speed PWM outputs.

  • The 4-20mA input option is implemented using 0-20mA input range.

  •  The UIS-WCB1 analog inputs measure values that are slightly higher than the nominal input range (Input Over-range).
    Note that when the input overflow occurs, it is indicated in the corresponding I/O Status tag while the input value is registered as the maximum permissible value. For example, if the specified input range is 0 ÷ 10V, the Over-range values can reach up to 10.15V, and any input voltage higher than that will still register as 10.15V while the Overflow system tag is turned on.

  • See LED Indications Table for description of the relevant indications. Note that the diagnostics results are also indicated in the system tags and can be observed through the UniApps™ or the online state of the UniLogic™.

  • Step response and update time are independent of the number of channels that are used.

  • The UIS-WCB1 inherently supports 3-wire sensors.

  • wire sensors may be connected by utilizing 3 of the sensor wires; in-order to achieve the specified performance, all sensor wires shall be of identical type and length just as with a 3-wire sensor connection.

2-wire sensors may also be connected; performance in this case will degrade because of the wires` resistance.
Refer to the UIS-WCB1 installation guide for detailed installation instructions.

Note that when input Overflow, Underflow or a connection fault occurs, it is indicated in the corresponding I/O Status tag (refer to the UniLogic™ help for details) as well as by the respective input LED (see LED Indications), while the input value is registered as follows

Fault Type Registered Value in the Input Tag
Overflow 32,767
Underflow -32,767
Connection fault -32,768
  • For temperature measurement, the value is represented in 0.1° units. For example, a temperature of 12.3° is represented as 123 at the Value tag.

  • The overall accuracy for thermocouples is a combination of the per-sensor specified accuracy and the thermocouple cold junction error specification.
    The module requires at least 30 minutes of warm-up in order to meet the accuracy specifications.

  • Sensor connection fault check is active by default for temperature, resistance and mV measurements. This may interfere with some test equipment like RTD, thermocouple, resistance and voltage simulators and thus may induce reading errors or cause malfunction of the test equipment and/or the UIS-WCB1.
    In order to interoperate correctly with such equipment, you may set the Disable Fault Detection I/O
    tag. This will disable connection fault check for all inputs.
    Note that when this tag is set, the UIS-WCB1 will not check, or report, connection faults; thus, the reading in such case is unpredictable.

  • Life expectancy of the relay contacts depends on the application that they are used in. The product’s installation guide provides procedures for using the contacts with long cables or with inductive loads.

  • The UIS-WCB1 analog outputs are able to output values that are slightly higher or lower (if applicable) than the nominal output range (Output Over/Under-range respectively).

The information in this document reflects products at the date of printing. Unitronics reserves the right, subject to all applicable laws, at any time, at its sole discretion, and without notice, to discontinue or change the features, designs, materials and other specifications of its products, and to either permanently or temporarily withdraw any of the forgoing from the market.

All information in this document is provided “as is” without warranty of any kind, either expressed or implied, including but not limited to any implied warranties of merchantability, fitness for a particular purpose, or non- infringement. Unitronics assumes no responsibility for errors or omissions in the information presented in this document. In no event shall Unitronics be liable for any special, incidental, indirect or consequential damages of any kind, or any damages whatsoever arising out of or in connection with the use or performance of this information.
The tradenames, trademarks, logos and service marks presented in this document, including their design, are the property of Unitronics (1989) (R”G) Ltd. or other third parties and you are not permitted to use them without the prior written consent of Unitronics or such third party as may own them.

References

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