Basic Documentation

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Siem ens 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”