AUMA SQ 05.2 Operation Instructions Manual page 82

Technical data
General data of the Modbus RTU interface
Number of devices
Fieldbus access
Supported Modbus functions (ser-
vices)
Commands and signals of the Modbus RTU interface
Process representation output
(command signals)
Process representation input (feed-
back signals)
Process representation input (fault
signals)
Behaviour on loss of communication
Service conditions
Use
Mounting position
Installation altitude
Ambient temperature
Humidity
82
SQ 05.2 SQ 14.2 / SQR 05.2
32 devices in each segment without repeater, with repeaters expandable to 247
Polling between master and slaves (query response)
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:
00 00 Loopback
00 10 (0AHex) Clear Counters and Diagnostic Register
00 11 (0BHex) Return Bus Message Count
00 12 (0CHex) Return Bus Communication Error Count
00 13 (0DHex) Return Bus Exception Error Count
00 14 (0EHex) Return Slave Message Count
00 15 (0FHex) Return Slave No Response Count
00 16 (10Hex) Return Slave NAK Count
00 17 (11Hex) Return Slave Busy Count
00 18 (12Hex) Return Character Overrun Count
OPEN, STOP, CLOSE, position setpoint, RESET, EMERGENCY operation command, enable LOCAL,
Interlock OPEN/CLOSE
End positions OPEN, CLOSED
Actual position value
Actual torque value, requires MWG in actuator
Selector switch in position LOCAL/REMOTE
Running indication (directional)
Torque switches OPEN, CLOSED
Limit switches OPEN, CLOSED
Manual operation by handwheel or via local controls
SIL function active (must not be used in SIS)
Motor protection tripped
Torque switch tripped in mid-travel
One phase missing
Failure of analogue customer inputs
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
Indoor and outdoor use permissible
Any position
≤ 2 000 m above sea level
> 2,000 m above sea level, on request
Refer to name plate of actuator controls
Up to 100 % relative humidity across the entire permissible temperature range
SQR 14.2 Control unit - electromechanical
AC 01.2 Intrusive Modbus RTU