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CVM-C4
Instruction Manual
7.3.3.- DIGITAL INPUTS
All the addresses of Modbus memory are in Hexadecimal.
For these variables is implemented the Function 0x02.
Table 19:Modbus Memory Map (Table 6)
Parameter Format Address
Digital inputs bit 0000
The format of the parameter is shown in Table 20:
Table 20: Variable format: Digital inputs.
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 0 0 0 0 0
Digital input 2
1: Closed
0: Open
Digital input 1
1: Closed
0: Open
7.3.4.- REMOTE CONTROL OUTPUT (Relay output)
All the addresses of Modbus memory are in Hexadecimal.
For these variables is implemented the Function 0x05:
Table 21: Modbus Memory Map (Table 7)
Parameter Format Address Value
Remote control, Relay output 1 bit 0000
0000: Open
FF00: Closed
Remote control, Relay output 2 bit 0001
0000: Open
FF00: Closed
Function 0x0F, multiple relay control:
Table 22: Modbus Memory Map (Table 8)
Parameter Format Address
Remote control bit 0000
The format of the parameter is shown in Table 23:
Table 23: Variable format: Remote control.
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 0 0 0 0 0
Relay 2
1: Closed
0: Open
Relay 1
1: Closed
0: Open