Loop-Back Test [08H] - Omron 3G3MX2 User Manual

6-5 Explanation of Each Parameter No.

Loop-back Test [08h]

Used to check the communications between master and slave. A random value can be used
for test data.
Example) Loopback test to the Inverter whose slave address is "1".
Query:
No.
1
2
3
4
5
6
7
8
Response:
6
No.
1
2
3
4
5
6
7
8
*1. Broadcasting cannot be performed.
As for test sub code, only those relating to echo-back of query data (00h, 00h) are supported.
Other commands are not supported.
6-13
Field name
*1
Slave address
Parameter No.
Test sub code (MSB)
Test sub code (LSB)
Data (MSB)
Data (LSB)
CRC-16 (MSB)
CRC-16 (LSB)
Field name
*1
Slave address
Parameter No.
Test sub code (MSB)
Test sub code (LSB)
Data (MSB)
Data (LSB)
CRC-16 (MSB)
CRC-16 (LSB)
Example
(Hex)
01
08
00
00
Random
Random
CRC
CRC
Example
(Hex)
01
08
00
00
Random
Random
CRC
CRC
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