Circutor CVM-C4 Series - 7�3�5�- Device Configuration Variables

56
CVM-C4
Instruction Manual
7�3�5�- DEVICE CONFIGURATION VARIABLES
All Modbus map addresses are in Hexadecimal format. Function 0x10 is implemented for this
variable.
7.3.5.1. Input conguration
Table 23: Modbus Memory Map: Input conguration
Input conguration
Variable Format Address Valid data range
Measurement system
int 808
Byte 1:
0: n.34, three-phase network measuring with 4-wire.
1: n.33, three-phase network measuring with 3-wire .
2: n.12, single-phase measuring
Network frequency
Byte 0:
0: 50 Hz - 1: 60 Hz
Primary voltage long 80E - 80F 0.001 ... 100 kV
Secondary voltage int 80A 1... 6660 V (0.1V units)
Primary current long 810 - 811 0.001 ... 20 kA
Secondary current int 80B 1... 6 A
7�3�5�2� RS-485 Communications
Table 24: Modbus Memory Map: RS-485 Communications
RS-485 Communications
Variable Format Address Valid data range
Modbus address
int 804
Byte 1:
1... 247
Baud rate
Byte 0:
0: 1200 bps - 1: 2400 bps - 2: 4800 bps -
3: 9600 bps - 4: 19200 bps
Data format int 805
Byte 1:
0: n,8,1 : no parity, 8 data bits, 1 stop bit
1: e,8,1 : even parity, 8 data bits, 1 stop bit
2: o,8,1 : odd parity, 8 data bits, 1 stop bit
3: n,8,2 : no parity, 8 data bits, 2 stop bit
7�3�5�3� Relay Outputs
Table 25: Modbus Memory Map: Relay Outputs
Relay outputs
Variable Format Address Valid data range
Relay 1 mode int 81A
0: Output is disabled
1: Alarm output
2: Remote control output
Relay 2 mode int 822
Relay 1 pulse duration int 81B
00,00
(1)
... 99.99 s
Relay 2 pulse duration int 823