RemoDAQ-9X20 Series User’s Manual
Byte
Byte
Example:
Read coil number 1 to 8 (address number 10001
to 10008) from RemoDAQ-9X20
01 01 00 01 00 08
Response message format for function code 01:
Command Body
Station
Address
Function
Byte
Data
Data
…
Code
Count
Example:
Coils number 2 and 7 are on, all others are off.
01 01 01 42
In the response the status of coils 1 to 8 is shown as the
byte value 42 hex, equal to 0100 0010 binary.
Function Code 02
The function code 02 is used to read the discrete input’s
ON/OFF status of RemoDAQ-9X20 in a binary data format.
Request message format for function code 02:
Command Body
Station
Address
Function
Start
Address
High Byte
Start
Address
Low Byte
Requested
Numberof
Input High
Code
Requested
Numberof
Input Low
72
Summary of Contents for RemoDAQ-9X20 Series
Page 21: ...RemoDAQ 9X20 Series User s Manual Figure 2 1 RemoDAQ 9000 I O Module Selection Chart 20 ...
Page 22: ...RemoDAQ 9X20 Series User s Manual 21 ...
Page 23: ...RemoDAQ 9X20 Series User s Manual 22 ...
Page 32: ...RemoDAQ 9X20 Series User s Manual Figure 3 1 Module alignment and installation 31 ...
