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4.5 Application examples
a) Wiring diagram of passive dry contacts:
b) Wiring diagram of active wet contacts:
5 Communication Description
5.1 Full parameter information of instrument
Modbus function code 03(03H)、04(04H) can be used to access all contents in the address table ,and function
code 16(10H) can be used to write continuous register data.
Address
0x1000
0x1001
0x1002
0x1003
1# Passive input node
2# Passive input node
3# Passive input node
16/32# Passive input node
Short
circuit
12V+
1# Active input node
2# Active input node
3# Active input node
16/32# Active input node
12V-
Name
Data type
Addr1
Uint16
Baud1
Uint16
Check1
Uint16
Stop1
Uint16
KV12
K01
K02
K03
K16/32
KCOM
KG
ARTU-K16/32
KV12
K01
K02
K03
16/32
KCOM
KG
Read/write
Length
R/W
2
R/W
2
R/W
2
R/W
2
6
Remarks
1-247 universal address：250
0：1200
1：2400
2：4800
3：9600
4：19200 5：38400
0：no check；1：odd check；2：even check
stop bit
stop bit
0：1
；1：2
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