v1.2 11.2023 Ec Drives In Vts Devices User Manual

EC DRIVES IN VTS DEVICES
SPECIFICATION, PROGRAMMING, OPERATION
User Manual

Please read the following documentation carefully before installing, maintaining and operating EC drives. In case of doubt, contact the official VTS support. This manual may only be used by a qualified service representative.

SAFETY ISSUES

All drives described in this manual may only be operated, connected, installed, repaired and modified by qualified personnel. Failure to perform any of these operations correctly may result in death, electric shock, improper installation, or product damage. The installation should be carried out with undamaged cables and with proper grounding. Follow the pinout diagrams dedicated to your drives.
Do not open or disassemble the drive while power is connected to the device. This can cause fatal injury due to electric shock. If disassembly is necessary, wait at least 5 minutes after disconnecting from the power supply.
It is the responsibility of the user and installer to ensure that the system is properly grounded and protected in accordance with national and local standards. VTS is not responsible for any damages or injuries caused by incorrect installation, faulty electrical circuits or other failures.

PRODUCT DESCRIPTION AND TECHNICAL SPECIFICATION

Air handling units and other selected VTS devices can be equipped with various configurations of EC drives, tailored to the needs and requirements of customers.

Type| Rated speed [RPM]| Maximum output power [kW]| Regulator type – power [kW]| Supply voltage [V]
---|---|---|---|---
Axial 444 Cross flow WING 200| 1400| 0.30| 0.37| 1×230
Axial 420| 1340| 0.21| 0.37| 1×230
Axial 315| 1400| 0.08| 0.37| 1×230
Cross flow WING 100 WING 150| 1340| 0.21| 0.37| 1×230
Plug 190| 4500| 0.17| 0.17| 1×230
Plug 225| 3600| 0.35| 0.37| 1×230
Plug 225| 4500| 0.76| 0.75| 1×230
Plug 250| 3000| 0.35| 0.37| 1×230
Plug 250| 3800| 0.70| 0.75| 1×230
Plug 315| 2060| 0.37| 0.37| 1×230
Plug 315| 2600| 0.72| 0.75| 1×230
Plug 310| 3160| 1.50| 1.50| 3×400
Plug 355| 3200| 2.40| 2.40| 3×400

Table 1 – types of EC drives
VTS reserves the right to change the given configurations without prior notice. Any modifications or configuration changes other than those proposed must first be reported and consulted with the VTS technical department.

INSTALLATION

3.1 Cable requirements
In the case of modular AHUs (without factory wiring between the drives and the electrical box), only hard wire or copper wires with ferrules should be used for wiring.
The length of control cables should not exceed 20m for 0-10V control and 40m for Modbus control.
To reduce operational problems, control cables must be shielded.
Use cables that meet the voltage, current, load, and insulation requirements for the type of drive you are using.
Use appropriate protection in the electrical installation. If the fuses are damaged, replace them with the same value as those used at the factory.
Before connecting the power supply, make sure that the drive specifications on the nameplate match the supply voltage.
3.2 Pinout
3.2.1 0.17 / 0.37 / 0.75kW
The 0.17kW, 0.37kW and 0.75kW drives are equipped with a common power supply and communication cable. It is terminated with a connector adapted for connection in AHU control boxes.

Table 2 – 0.17 / 0.37 / 0.75kW EC drives pinout

3.2.2 1.5 / 2.4kW
The 1.5kW and 2.4kW drives are equipped with two separate cables: power supply and communication. They are terminated with cable sleeves and a connector. The cable with the connector (fault relay) is not used in VTS automation.

wire has a smaller cross-section than the power wire
black| RS485 B (-)| Modbus RTU; there are two black wires – the communication wire has a smaller cross-section than the power wire
green| RS485 GND| Modbus RTU
white| FG (pulse output)| 2 pulses per rotation
red| 10V output| –
yellow| 0-10V input| –
blue| 0-10V GND| there are two blue wires – the communication wire has a smaller cross-section than the power wire
brown| L1| there are two brown wires – the communication wire has a smaller cross-section than the power wire
blue| L2| there are two blue wires – the communication wire has a smaller cross-section than the power wire
black| L3| there are two black wires – the communication wire has a smaller cross-section than the power wire
yellow – green| PE| –
orange| NO contact of the fault relay| –
grey| COM contact of the fault relay| –
red| NC contact of the fault relay| –

Table 3 – 1.5 / 2.4kW EC drives pinout

COMMUNICATION OPTIONS

4.1 Factory addressing and communication type
EC drives are equipped with Modbus RTU and 0-10V control.
The table below shows the default settings of drives in VTS AHU depending on the type of the AHU:

exhaust: 51,52,53,54,55,56,57,58,59,50

Table 4 – factory settings of EC drives
To enable correct communication between EC drives and the uPC3 controller, select the appropriate drive type in the first line of settings on the I03 mask:

• 0.17 / 0.37 / 0.75kW: EC
• 1.5 / 2.4kW: SNMU

4.2 Modbus RTU
The basic method of communication between EC drives and the AHU controller used in VTS automation is a serial transmission in the Modbus RTU (RS-485) protocol with the parameters 9600/8/n/1.
Drives control systems can be connected to the Modbus grid only by means of shielded cables (screens should be grounded on both sides).
Use parallel or daisy chain connection when connecting EC drives to the bus.

4.2.1 Available Modbus registers – 0.17 / 0.37 / 0.75kW drives

Coils – read / write

Address| Function| Range| Remarks
0| Motor on / off| 0/1| 1 = motor on (read only)
1| Controller reset| 0/1| 1 = controller reset

Table 5 – available Coils – 0.17 / 0.37 / 0.75kW drives

Discrete Inputs – read / write

Address| Function| Range| Remarks
0| Undervoltage| 0/1| 1 = voltage too low to operate
1| Overvoltage| 0/1| 1 = voltage too high to operate
2| IGBT overcurrent| 0/1| 1 = overcurrent protection active
3| Motor hot| 0/1| 1 = temperature protection active; power reduced
4| Phase loss| 0/1| 1 = phase or motor sync loss
6| Checksum error| 0/1| 1 = parameters checksum fail (TBD)
7| Circuit fault| 0/1| 1 = error was detected during internal check
8| Motor fault| 0/1| 1 = motor does not behave as expected
9| Controller hot| 0/1| 1 = controller to hot to operate
10| I2R IGBT fault| 0/1| 1 = software IGBT protection triggerred
14| Restart fault| 0/1| 1 = fault condition repeated several times in a short time; controller should be power cycled
18| Waiting to stop| 0/1| 1 = motor should be stopped, but it is still spinning
24| RPM REG| 0/1| 1 = speed regulator active
25| POWER REG| 0/1| 1 = power limit regulator active
27| OVERMOD REG| 0/1| 1 = overmodulation; controller can no longer supply the voltage required by the motor
28| REGEN REG| 0/1| 1 = motor is in regeneration mode; RPM incerased tp avoid DC bus overvoltage
29| IPHASE REG| 0/1| 1 = RMS motor phase current limit reached
30| SYNC REG| 0/1| 1 = motor is in synchronous mode

Table 6 – available Discrete Inputs – 0.17 / 0.37 / 0.75kW drives

Holding Registers – read / write

Address| Function| Range| Resolution| Remarks
0| Setpoint| 0 – 10000| 0,01%| Speed setpoint 0 = stop
10000 = maximum speed
1| Direction| 0/1| 1| Rotation direction 0 = clockwise 1 = anti-clockwise
2| MAX RPM| MIN RPM – RATED RPM| 1| Maximum allowed speed
4| MIN RPM| 10% RATED RPM – MAX RPM| 1| Minimum allowed speed
5| Password| 0 – 32767| 1| 9788 = password for changing parameters 10000 = password for saving changes
6| Control mode| 0/2| 1| 0 = 0-10V control 2 = Modbus control
---|---|---|---|---
7| Modbus address| 1 – 247| 1| Address in Modbus grid
8| Communication loss reaction| 0/1| 1| 0 = motor stop when Modbus communication lost 1 = ignore
11| AN1 MAX| 0 – 1000| 0,01V| Control input voltage for maximum setpoint; operation reverse if AN1 MAX < AN1 MIN
12| AN1 MIN| 0 – 1000| 0,01V| Control input voltage for minimum setpoint
13| AN1 STOP| 0 – 1000| 0,01V| Control input voltage for stop
18| Baudrate| 0/1/2/3| 1| 1 = 9600
2 = 19200
3 = 38400

Table 7 – available Holding Registers – 0.17 / 0.37 / 0.75kW drives

Input registers – read

Address| Function| Range| Resolution| Remarks
0| HW version| 0 – 32767| 1| Hardware version
1| FW version| 0 – 32767| 1| Firmware version
4| Speed| 0 – 32767| 1RPM| Actual motor speed
5| Temperature| -50 – 150| 0,01°C| Controller temperature
6| DC voltage| 0 – 32767| 0,1V| DC bus voltage
7| Current| 0 – 32767| 0,001A| Motor current
8| Power| 0 – 32767| 0,1W| Electrical power
9| AN| -300 – 2000| 0,01V| Analog input voltage
19| Fault code| 0/1/2/3/4/ 5/6/7| __

__

__

__

__

1

| Fault code (ordered by priority): 0 = normal operation
1 = standby
2 = overcurrent protection activated (If>4A)
3 = temperature protection activated (> 90°C speed is decreased, > 105°C motor stops)
4 = internal controller fault
5 = motor misconnected / faulty
6 = too low (<150V) or too high (>265V) supply voltage
7 = motor failed to start repeatedly
23| Operation minutes| 0 – 1440| 1| Minutes of operation
24| Operation days| 0 – 32767| 1| Days of operation (RPM > 0, no errors)

Table 8 – available Input Registers – 0.17 / 0.37 / 0.75kW drives
4.2.2 Available Modbus registers – 1.5 / 2.4kW drives

Input registers – read

Address| Function| Range| Resolution| Remarks
26883| Status| 0 – 65535| 1| 1 in bit 0 means that the running test has passed
26884| Sequencer state| 0/1/2/3/4/ 5/6/7/8| 1| 0 = power on 1 = stop
2 = measuring offset current
3 = charging bootstrap capacitors 4 = motor running
5 = fault state
| | | | 6 = catch spin 7 = parking
8 = open loop acceleration
---|---|---|---|---
26885| Modbus address| 0 – 255| 1| Address in Modbus grid
26887| Fault flag| 0 – 65535| | Odczyt bitowy 0 = PWM fault
1 = DC bus critical overvoltage 2 = DC bus overvoltage
3 = DC bus undervoltage 4 = PLL fault
5 = zero speed fault
6 = temperature too high 7 = locked rotor
10 = controller error 12 = parameter load fault 13 = communication fault
26894| Speed| 0 – 65535| 1RPM| Actual motor speed
26895| Current| 0 – 65535| 0,01A| Motor current
26900| DC voltage| 0 – 65535| 1V| DC bus voltage
26902| IGBT

temperature

| -2000 –

2000

| 0,1°C| Transistor temperature
26904| Controller temperature| -2500 –

2500

| 0,1°C| Controller temperature
26908| Power on minutes| 0 – 59| 1min| Minutes when controller was powered
26909| Power on hours| 0 – 65535| 1h| Hours when controller was powered
26917| Rated speed| 0 – 65535| 1RPM| Rated speed of a given drive model
26918| Work minutes| 0 – 59| 1min| Minutes of operation
26919| Work hours| 0 – 65535| 1h| Hours of operation

Table 9 – available Input Registers – 1.5 / 2.4kW drives

Holding Registers – read / write

Address| Function| Range| Resolution| Remarks
26627| Baudrate| 9600 / 19200| 1| 9600 = baudrate 9600
19200 = baudrate 19200
26628| Control mode| 0/1| 1| 0 = Modbus control 1 = 0-10V control
26629| Failsafe speed| 0 – MAX RPM| 1RPM| Motor target speed when in failsafe mode
26630| Fire speed| 0 – MAX RPM| 1RPM| Motor target speed when in fire mode
26632| MAX RPM| 0 – RATED RPM| 1RPM| Maximum allowed speed
26641| Communication loss alarm delay| 0 – 65000| 0,01s| Time before communication alarm is activated
26644| Parity| 0/1/2| 1| 0 = no parity check 1 = odd 2 = even
26645| Stop bits| 1/2| 1| 1 = 1 stop bit 2 = 2 stop bits
26648| Setpoint| 10% RATED RPM – MAX RPM| 1RPM| Speed setpoint
---|---|---|---|---
26653| Communication alarm source| 0/1/2| 1| 0 = Modbus
1 = 0-10V
2 = none
26662| Alarm relay function| 0/1/2| 1| 0 = fault indication function 1 1 = running operation
2 = fault indication function 2
26668| Failsafe voltage level| 0-100| 0,1V| Control voltage level, below which alarm is activated when HR26653 = 1
26669| Modbus address| 0-255| 1| Address in Modbus grid

Table 10 – available Holding Registers – 1.5 / 2.4kW drives
4.3 0-10V
In addition to Modbus RTU, VTS EC drives have the ability to be controlled using 0-10V analog signal.
Terminals to which the control signal should be connected are indicated in 3.2 Pinout chapter.
One should also make sure that the drive control mode is set to 0-10V:

• 0.17 / 0.37 / 0.75kW: Holding Register 6 = 0
• 1.5 / 2.4kW: HR 26628 = 1

Adaptation of new EC drives to work with VTS automation

When ordering individual EC drives as spare parts, they will have the following settings:

Table 11 – default settings for EC drives ordered as spare parts
In order to adapt a new EC drive, ordered as a spare part, to work with a given air handling unit, the following are necessary:
-USB-RS485 converter (e.g. Ultima TRB-0611 or other based on FTDI chipset)
-power cable to the motor (L1+N+PE for 0.17 / 0.37 / 0.75kW (1-phase) drives; L1+L2+L3+PE (3-phase) for 1.5 / 2.4kW drives)
– Modbus master software (e.g. Modbus Poll)
Attention! VTS units are delivered with factory-adapted drives. The following steps only apply to drives ordered separately as spare parts.
After connecting the motor to the power supply and the converter, establish a connection with the motor in the Modbus Poll program in accordance with the default parameters presented in Table 11, and then, respectively:

• for 0.17 / 0.37 / 0.75kW (1-phase) drives:
  ➢ set Holding Register 5 to value 9788 (password for changing parameters)
  ➢ set HR 6 to 2 (control mode = Modbus)
  ➢ set HR 8 to 0 (communication loss reaction = motor stop)
  ➢ set HR 7 to the value corresponding to the drive address in the AHU – after this change, the connection with the drive should be re-established at the selected address with the following parameters: baudrate 9600, no parity check, 1 stop bit
  ➢ set HR 5 to 10000 (password for saving changes)
  For 0.17 / 0.37 / 0.75kW (1-phase) drives there is also the possibility of adaptation using HMI Advanced (without using a converter). To do this, enter the old (default 1) and new (according to Table 5) address on the I15 mask and start the setting procedure by selecting the YES option. Note that only one drive should be powered up at a time during the procedure.

• for 1.5 / 2.4kW (3-phase) drives:
  ➢ set Holding Register 26628 to value 0 (control mode = Modbus)
  ➢ set HR 26629 to 0 (failsafe speed = 0)
  ➢ set HR 26653 to 0 (communication alarm source = Modbus)
  ➢ set HR 26627 to 9600 (baudrate = 9600) – after this change, the connection with the drive should be re-established at address 129 with the following parameters: baudrate 9600, even parity, 1 stop bit
  ➢ set HR 26644 to 0 (no parity check) – after this change, the connection with the drive should be re-established at address 129 with the following parameters: baudrate 9600, no parity check, 1 stop bit
  ➢ set HR 26669 to the value corresponding to the drive address in the AHU

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