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CS-IO1600DI User Manual
Spare
03ECH
Spare
Baud rate value corresponding table
4.3 Command List
Scene
RTU format (send in hexadecimal)
Query 4 DI
s ‘status
FE 02 00 00 00 08 6D C3
Return query information
FE 02 01 07 D0 5E
Query 16 DI
s ‘status
01 02 00 00 00 10 79 C6 [Unicast Send]
FE 02 00 00 00 10 6D C9 [Broadcast] Send]
Return query information
01 02 02 00 00 B9 B8[Unicast Send]
FE 02 02 00 00 AD AC[Broadcast] Send]
4.4 Command Details
4.4.1 Optocoupler Input
Query optocoupler (2-way optocoupler)
Sending code: FE 02 00 00 00 02 ED C4
Field
Meaning
Note
FE
Device address
02
02 command
Query discrete input (optocoupler input) status
command
00 00
Address
Register address of the first optocoupler to be
queried
00 02
Command
Number of optocoupler states to query
6D C6
CRC16
CRC16 checksum of the first 6 bytes of data
Value
Baud rate
0
9600
1
2400
2
4800
3
9600
4
19200
5
38400