Omron K6CM User Manual page 238

9 Monitoring and Setting Using the Modbus TCP Devices
 Normal Response
(1)
00 00
2
 Error Response
(1)
00 00
2
(3): Number of bytes transferred The total number of bytes of (4) and the successor is set.
(8): Byte count
(9): Register contents
(10): Exception code
Note 1. For the other elements (the elements shaded in the above figure), the value specified in the request
is set.
2. The function code of (5) at error response is 83 hex.
Example: Reading the Main Body Status
 Request
(1)
00 00
(6): Start address
(7): Number of words to read
 Normal Response
(1)
00 00
(3): Number of bytes transferred The total number of bytes of (4) and the successor are 5, so 0005 hex is
(8): Byte count
Note For the other elements (the elements shaded in the above figure), the value specified in the request is
set.
9 - 4
(2) (3)
00 00 00
2 2
(2) (3)
00 00 00 03
2 2
The total number of bytes of (9) is set.
Register contents from the start address to the number of read words are
set.
Error information is set. Refer to 9-2-5 Exception Code List on page 9-7.
(2) (3)
00 00 00 06
Specify the address of the main body status.
The entire Main body status is 1 word (2 bytes), so specify 0001 hex.
(2) (3)
00 00 00 05
set.
The Main body status is 2 bytes, so 02 hex is set.
(4) (5) (8) (9)
FF 03
1 1 1 2
(4) (5) (10)
FF 83
1 1 1
(4) (5) (6)
FF 03 00 00
Main body
(4) (5) (8)
status
FF 03 02
K6CM Motor Condition Monitoring Device User's Manual (N219)
(9)
2
(7)
00 01