macnaught MX Series Pulser Options Standard and DIN Instruction Manual

June 13, 2024
macnaught

macnaught MX Series Pulser Options Standard and DIN

Product Information

  • Product Name: MXL-INST-PULSE
  • Revision: 6
  • Date: 06/2022
  • Product Type: MX Series Pulser Options (Standard & DIN)
  • Manual: INSTRUCTION MANUAL

Description: This manual provides connection and operating instructions for a selection of Pulse output options. It includes information on different types of switches, technical specifications, available configurations, circuit diagrams, wiring instructions, ordering codes, assembly/disassembly instructions, cable specifications, and accessories.

Website: www.macnaughtflowmeasurement.com.au

Product Usage Instructions

  1. Reed Switch: Reed Switch is a 2-wire device that triggers by the magnet inside the rotors as they spin. The pulse board comes equipped with a 1k8 current limiting resistor in series to maximize the life of the reed switch.
  2. Hall Effect Switch : Hall Effect switch is a 3-wire device that triggers by the south pole of the magnet inside the rotors as they spin. This switch is NPN type and equipped with a 4k7 pull-up resistor between signal and supply.
  3. Technical Specifications for Reed & Hall Switches
    • Output Signals
    • Reed Switch (Mechanical Sensor)
    • Hall Effect Switch (Electronic Sensor)
    • Standard Pulse Meter
    • Current: Maximum 500mA
    • Voltage Contact Rating: Maximum 30V DC, 10W
    • Maximum Supply Current: 7.5mA
    • Maximum Output Current: 25mA
    • Operating Voltage: 4.5V to 24V DC
    • Output Type: Open-Collector NPN
  4. Available Configurations for Standard and DIN Pulse Caps

The available configurations are Reed/ Hall, Reed/ Reed, and Hall/ Hall.

Standard Pulse Cap
The Standard Pulse Cap incorporates the M-LOCK (1/4 turn) mounting system. The housing is made up of polypropylene with a PCB fitted inside.

Part Numbering for Standard Pulse Cap
The part numbers for the different output types are

  • Output type A: MXD-AS
  • Output type I: MXD-IS
  • Output type J : MXD-JS (generates Quadrature Pulse Output)
  • Output type K : MXD-KS (has one hall effect high resolution sensor)
  1. Assembly/Disassembly Instructions for Standard Pulse Cap
  2. Step 1
  3. Step 2
  4. Cable Specifications for Standard Pulse Cap
    • The maximum cable length should not exceed 60 meters.
    • If the cable is extended and/or longer than 10m, it is highly recommended to use a 24V power supply for Hall Switch and reed switch.

To the Owner

  • This manual contains connection and operating instructions for a selection of Pulse output options.
  • Please read and retain this instruction manual to assist you in the operation and maintenance of these products.
  • In addition Macnaught offer a comprehensive set of online support materials to compliment this instruction manual. You can access the website by scanning the QR code or visiting the Macnaught website www.macnaughtflowmeasurement.com.au

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INDEX

Types of Switches

Reed Switch| Page # 3
Hall Effect Switch| Page # 3
Technical Specifications for Reed & Hall Switch| Page # 3
Available Configurations for Standard, Industrial and DIN Pulse Caps| Page # 3
Circuit Diagram for Pulse Caps| Page # 4
Standard Pulse Cap
Description & Wiring Instructions| Page # 6
Ordering Code| Page # 7
Assembly & Disassembly| Page # 8
Cable Specifications| Page # 8
DIN Pulse Cap
Description| Page # 10
Ordering Code| Page # 11
Accessories| Page # 11
Connector Details| Page # 12

Types of Switches

  • Reed Switch : Reed Switch is a 2-wire device which triggers by magnet inside the rotors as they spin. To maximise the life of the reed switch, the pulse board comes equipped with a 1k8Ω current limiting resistor in series.
  • Hall Effect Switch : Hall Effect switch is a 3-wire device which triggers by south pole of the magnet inside the rotors as they spin. This switch is NPN type. The switch circuit is equipped with a 4k7Ω pull -up resistor between signal and supply.

Technical Specifications for Reed & Hall Switches

Output Signals Standard Pulse Meter 2 x Digital (Square Wave)
**** Reed Switch (Mechanical Sensor) Current Maximum
Voltage Maximum 30V DC
Contact Rating Maximum 1 10W
**** Hall Effect Switch (Electronic Sensor) Maximum Supply Current 7.5mA
Maximum Output Current 25mA
Operating Voltage 4.5V to 24V DC
Output Type Open-Collector NPN

Contact rating maximum is 10W. Neither current nor voltage maximums should be exceeded in achieving this.

Available Configurations for Standard and DIN Pulse Caps
The Below 3 configurations are available with Standard and DIN pulse caps

  • Configuration 1 Reed and Hall Effect Sensors
  • Configuration 2 Dual Hall Effect Sensors
  • Configuration 3 Dual reed switches

Circuit Diagrams for Available Configurations

Reed/ Hall

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Reed/ Reed

macnaught-MX-Series-Pulser-Options-Standard-and-DIN-
\(5\) Hall/ Hall macnaught-MX-Series-
Pulser-Options-Standard-and-DIN- \(6\)

Standard Pulse Cap

Standard Pulse Cap Output types A, I, J, K

Wiring Instructions
Standard Pulse Cap incorporates the M-LOCK (1/4” turn) mounting system. The housing is made up of polypropylene with PCB fitted inside.

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Standard-and-DIN- \(8\)

Legends

  • Reed : Hall: – + Reed Switch
  • Hall : Effect sensor
  • Reed Switch common
  • Signal output
  • + Power supply for Hall
  • Ground
  • N/C: No connection
  • Local display is connected to Reed1
  • Terminal 1 is the right most terminal

Note

  • Standard Pulse Cap Temperature (-40 °C -120 °C)
  • IP 67

Standard Pulse Cap

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Note

  • MXD-JS generate Quadrature Pulse Output
  • MXD-KS has one hall effect high resolution sensor.

Illustration

  1. Rotate the pulse cap 90° anticlockwise to disassemble
  2. Pull the cap away from body

Place pulse cap onto the body and rotate 90° clockwise to reassemble

No Tool required to assemble/dissemble

Cable Specifications for Standard Pulse Cap
Minimal cable specification recommended for wire

  • 5 core, 24 AWG each
  • drain wire AND shielding/ copper braiding
  • Temperature rating : -20 – 80 °C
  • Voltage rating : 300 V
    • Maximum cable length should not exceed 60 metres.
    • If cable is extended and/or longer than 10m, it is highly recommended to use 24V power supply for Hall Switch and reed switch.

DIN Pulse Cap

DIN Pulse Module Output Type (MXD-xx)

  • DIN Pulse Module incorporates the M-LOCK (¼ turn) mounting system. It provides a locking facility for added security against unauthorised removal. A locking screw is supplied with DIN pulse cap to accomplish the job by fitting module to the flow meter using M-lock feature and replacing the existing screw with locking screw.
  • During initial installation of the locking screw, the screw will need to pierce the bottom of the pulser.
  • This will enable the screw to ‘lock’ into the plastic cam that is fixed to the flow meter.

The available options are

  • DIN Module with 1 x Reed and 1 x Hall effect sensor (MXD-RH)
  • DIN Module with Dual Hall Effect sensors (MXD-HH)
  • DIN Module with Dual Reed Switches (MXD-RR)

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  • DIN Pulse Cap Temperature (-25 °C -120 °C)
  • IP 67

DIN Pulse Module

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The DIN Pulse Modules accommodates the choice of either a field mountable connector facility, or a fixed (M12) connection cable.

  • M12 DIN plug and socket complete with 5 core cable.
  • Field attachable socket with 5 position screw terminals

macnaught-MX-Series-Pulser-Options-Standard-and-DIN-
\(17\) Part number: MXD-CF

Cable Length Part Number
1.5 Meters MXD- C1.5
5 Meters MXD- C5
10 Meters MXD- C10

DIN Pulse Module

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| Cable Colour| Reed / Hall Module| Dual Reed Module| Dual Hall Module
---|---|---|---|---
1| Brown| HE Supply (VCC)| N/A| HE Supply (VCC)
2| White| HE Signal (V out)| Reed Signal 1| HE Signal 1 (V out)
3| Blue| HE Ground| Reed Ground 1| HE Ground
4| Black| Reed (Signal)| Reed Signal 2| HE Signal 2 (V out)
5| Green-Yellow| Reed (Ground)| Reed Ground 2| N/A

M12 DIN Female Cable Connector

General

Connector| M12 (right angle)
Standards / regulations| IEC 61076-2-101
Technical Specifications (Plug and socket)
Number of positions| 5
Protection| IP67
Material of body| TPU (thermoplastic polyurethane)
Rated voltage / current| 60v / 4A
Contact resistance| Max 5 mΩ
Ambient temperature (plug and socket)| -25°C – 90°C
Technical Specifications (cable)
Core Number| 5 core
Core colours| brown, white, blue, black, green-yellow
Cable material| PUR (polyurethane)
Conductor cross section| 5 x 0.34mm² (signal lines)
Rated voltage / current| 60v / 4A
Ambient Temperature (operation)| -25°C – 80°C (cable, fixed installation)
Cable resistant to| acids, alkaline solutions and salt water

M12 Field Connector

General

Connector| M12
Standards / regulations| IEC 61076-2-101
Technical Specifications
Number of positions| 5
Protection| IP67
Conductor cross section| 0.25mm² – 0.75mm²
Material of body| PTB
Sealing material| NBR (nitrile rubber)
Ambient temperature| -25°C – 85°C (plug and socket)
Rated voltage / current| 60v / 4A

WEEE Directive – Waste Electrical and Electronic Equipment The WEEE Directive requires the recycling of waste electrical and electronic equipment in the European Union.

  • Whilst the WEEE Directive does not apply to some of Macnaught’s products, we sup-port its policy and ask you to be aware of how to dispose of this product.
  • The crossed out wheelie bin symbol illustrated and found on our products signifies that this product should not be disposed of in general waste or landfill.
  • Please contact your local dealer national distributor or Macnaught Technical Services for information on product disposal.

References

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