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Connection to the Master System (ModBus Standard)
Description of Pre-defined Variables in the Modbus Network
is section includes a description of variables (registers) according to the assigned REMAK data points. e list below includes
specifications of variables for different VCS control system variants at the discretion of REMAK a.s.
For example, if the VCS control system (air-handling device) has not been equipped with gas heating, it will not be possible to
use these variables.
Coil status (Read/Write)
Input states (Read)
Adress Description Values/Units Remarks
0x0001 Alarm acknowledge 0-1 Off*On
0x0002
0x0003
0x0004
0x0007
0x0011
0x0012 Ext control input 1 0-1 Off*On
0x0013 Ext control input 2 0-1 Off*On
0x0014
0x0015 Fire alarm 0-1 OK*Alarm
Adress Description Values/Units Remarks
1x0001 Alarm class danger (A) 0-1 Off*On
1x0002 Alarm class critical (A) 0-1 Normal*Alarm
1x0003 Alarm class low (B) 0-1 Normal*Alarm
1x0004 Alarm class warning (B) 0-1 Normal*Alarm
1x0005
1x0011
1x0012 Ext control input 1 0-1 Off*On
1x0013 Ext control input 2 0-1 Off*On
1x0014
1x0015
1x0020
1x0021
1x0022
1x0023
1x0024
1x0026 Fan alarm 0-1 OK*Alarm