General Modbus TCP/IP data
Modbus TCP/IP according to IEC 61158 and IEC 61784Communication protocol
Star topology/ point-to-point topologyNetwork topology
IEC IEEE 802.3, cable recommendation: Cat. 6
A
Transmission medium
●
Baud rate of 10/100 Mbits/s
●
Maximum cable length: 100 m
Transmission rate/cable length
01 Read Coil Status
02 Read Input Status
03 Read Holding Registers
04 Read Input Registers
05 Force Single Coil
15 (0FHex) Force Multiple Coils
06 Preset Single Register
16 (10Hex) Preset Multiple Registers
17 (11Hex) Report Slave ID
08 Diagnostics:
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00 00 Loopback
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00 10 (0AHex) Clear Counters and Diagnostic Register
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00 11 (0BHex) Return Bus Message Count
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00 12 (0CHex) Return Bus Communication Error Count
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00 13 (0DHex) Return Bus Exception Error Count
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00 14 (0EHex) Return Slave Message Count
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00 15 (0FHex) Return Slave No Response Count
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00 16 (10Hex) Return Slave NAK Count
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00 17 (11Hex) Return Slave Busy Count
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00 18 (12Hex) Return Character Overrun Count
Supported Modbus functions (ser-
vices)
Commands and signals of the Modbus TCP/IP interface
OPEN, STOP, CLOSE, position setpoint, RESET, EMERGENCY operation command, enable LOCAL,
Interlock OPEN/CLOSE
Process representation output
(command signals)
●
End positions OPEN, CLOSED
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Actual position value
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Actual torque value, requires magnetic limit and torque transmitter (MWG) in actuator
●
Selector switch in position LOCAL/REMOTE
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Running indication (directional)
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Torque switches OPEN, CLOSED
●
Limit switches OPEN, CLOSED
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Manual operation by handwheel or via local controls
●
Analogue (2) and digital (4) customer inputs
Process representation input (feed-
back signals)
●
Motor protection tripped
●
Torque switch tripped in mid-travel
●
One phase missing
●
Failure of analogue customer inputs
Process representation input (fault
signals)
The behaviour of the actuator is programmable:
●
Stop in current position
●
Travel to end position OPEN or CLOSED
●
Travel to any intermediate position
●
Execute last received operation command
Behaviour on loss of communication
Service conditions
Indoor and outdoor use permissibleUse
Any positionMounting position
≤ 2 000 m above sea level
> 2,000 m above sea level, on request
Installation altitude
Refer to name plate of actuator controlsAmbient temperature
Up to 100 % relative humidity across the entire permissible temperature rangeHumidity
77
SQEx 05.2 – SQEx 14.2 / SQREx 05.2 – SQREx 14.2 Control unit: electronic (MWG)
ACExC 01.2 Non-Intrusive Modbus TCP/IP Technical data