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Siemens
GMA..1 actuators with spring return
CM2Z4614en
Building Technologies
2018-01-11
7.3.4 Modbus registers
Reg.
Name
R/W
Unit
Scaling
Range / enumeration
Process Values
1
Setpoint
RW
%
0.01
0..100
2
Override control
RW
--
--
0 = Off / 1 = Open / 2 = Close
3 = Stop / 4 = GoToMin / 5 = GoToMax
3
Actual position
R
%
0.01
0..100
256
Command
RW
--
0 = Ready / 1 = Adaption / 2 = Selftest
3 = ReInitDevice / 4 = RemoteFactory
Reset
Parameters
257
Opening direction
RW
--
--
0 = CW / 1 = CCW
258
Adaptive Mode
RW
--
--
0 = Off / 1 = On
259
Operating Mode
RW
--
--
1 = POS
260
MinPosition
RW
%
0.01
0..100
261
MaxPosition
RW
%
0.01
0..100
262
Actuator Running Time R
s
1
90
513
Backup Mode
RW
--
--
0 = Go to BackupPosition
1 = Keep last position
2 = Disabled
514
Backup Position
RW
%
0.01
0..100
515
Backup Timeout
RW
s
1
0..65535
516
Startup Setpoint
RW
%
0.01
0..100
764
Modbus Address
RW
--
--
1..247 / 255 = “unassigned”
765
Baudrate
RW
--
--
0 = auto / 1 = 9600 / 2 = 19200
3 = 38400 / 4 = 57600 / 5 = 76800
6 = 115200
766
Transmission Format
RW
--
--
0 = 1-8-E-1 / 1 = 1-8-O-1
2 = 1-8-N-1 / 3 = 1-8-N-2
767
Bus Termination
RW
--
--
0 = Off / 1 = On
768
Bus Conf. Command RW
--
--
0 = Ready / 1 = Load / 2 = Discard
769
Status
R
--
--
See below, Register 769 “Status”