Controller Attribute Read - Omron EJ1 User Manual

Detailed Description of Services
6-4-8

Controller Attribute Read

This service reads the model number and communications buffer size.
Command
Service Request PDU
MRC SRC
0 5 0 3
2 2
Response
Service Response PDU
Response
MRC SRC
code
0 5 0 3
2 2 4
1. Model
From 1 to 10 in 1-2-3 Model Number Legend can be read.
Example:
Input range
1 2 3 4 5 6 7
E J 1 N - T C 4 A
2. Buffer Size
The communications buffer size is expressed in 2-byte hexadecimal, and
read after being converted to 4-byte ASCII.
The buffer size is the smaller of the send and receive buffer sizes.
3. Response Codes
Response code
1001 Command too long
7011 Operation error (7011)
7015 Operation error (7015)
0000 Normal completion
Model
10
8 9 10 11 12 13 14
- Q Q
Error name
The command is too long.
The command cannot be executed due
to a device error.
The command cannot be executed
while resetting (including during star-
tup).
Processing was completed normally.
Section 6-4
Buffer size
4
Cause
155