Modbus Registers - Siemens OpenAir GMA 1 Series Technical Basics

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Siemens
Building Technologies

7.3.4 Modbus registers

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