In UCM/Modbus Properties, set Modbus Master/Slave as Slave. Modbus Slave ID in this mode is the Modbus ID of the UCM/Modbus. The other Tabs Modbus > Comfort and Alarm> Modbus are not applicable in this mode.
In this mode, third party devices and software are able to control Comfort by sending commands and getting responses. UCM/Modbus is a Slave and the Modbus device is Master. In Comfigurator, the Modbus Master/Slave is set to Server/Slave. The Modbus ID field applies to the UCM/Modbus Modbus ID as a Slave.
The following Modbus functions are supported
Function Code Function Parameters
1 Read Coils Read from starting address, no of addresses
2 Read Discrete Inputs Read from starting address, no of addresses
3 Read Holding Registers Read from starting address, no of addresses
4 Read Input Registers Read from starting address, no of addresses
5 Write Single Coil Write from Address, Value
6 Write Holding Register Write from Address, Value
Write Multiple Coils and Write Multiple Holding Registers are not supported
When Modbus Slave is selected, the screen below should be seen in the Modbus Server Tab
This is a convenient lookup reference table which shows the Modbus Addresses in Decimal and Hexadecimal format of all the Comfort events and registers that are exposed to Modbus.
Each of the items above is a Category that can be expanded by selecting the item
Zones/Inputs
Comfort Zones/Inputs are mapped to Modbus discrete Inputs
Outputs
Comfort Outputs are mapped to Modbus Coils
Flags
Comfort Flags are mapped to Modbus Discrete Inputs
Bypass Inputs
Bypass Inputs are mapped to Modbus Coils.
Counters
Comfort Counters are mapped to Modbus Holding Registers
Sensors
Comfort sensors are mapped to Modbus Holding Regsters
Security/Keypad commands
Key arm security and Autoarm security commands to Comfort are mapped to Holding Registers
In this mode, third party devices and software are able to control Comfort by sending commands and getting responses. UCM/Modbus is a Slave and the Modbus device is Master. In Comfigurator, the Modbus Master/Slave is set to Server/Slave. The Modbus ID field applies to the UCM/Modbus Modbus ID as a Slave.
The following Modbus functions are supported
Function Code Function Parameters
1 Read Coils Read from starting address, no of addresses
2 Read Discrete Inputs Read from starting address, no of addresses
3 Read Holding Registers Read from starting address, no of addresses
4 Read Input Registers Read from starting address, no of addresses
5 Write Single Coil Write from Address, Value
6 Write Holding Register Write from Address, Value
Write Multiple Coils and Write Multiple Holding Registers are not supported
When Modbus Slave is selected, the screen below should be seen in the Modbus Server Tab
This is a convenient lookup reference table which shows the Modbus Addresses in Decimal and Hexadecimal format of all the Comfort events and registers that are exposed to Modbus.
Each of the items above is a Category that can be expanded by selecting the item
Zones/Inputs
Comfort Zones/Inputs are mapped to Modbus discrete Inputs
Outputs
Comfort Outputs are mapped to Modbus Coils
Flags
Comfort Flags are mapped to Modbus Discrete Inputs
Bypass Inputs
Bypass Inputs are mapped to Modbus Coils.
Counters
Comfort Counters are mapped to Modbus Holding Registers
Sensors
Comfort sensors are mapped to Modbus Holding Regsters
Security/Keypad commands
Key arm security and Autoarm security commands to Comfort are mapped to Holding Registers
