Read Controller Attributes - Omron E5CN Manual

SECTION 2 CompoWay/F Communications Procedures

■ Read Controller Attributes

2-12
This service reads the model number and communications buffer size.
Service Request PDU
MRC SRC
0 5 0 3
2 2
Service Response PDU
MRC SRC Response
code
0 5 0 3
2 2 4
(1) Model Number
The model number is expressed in 10-byte ASCII. When 10 bytes are
not required, pad the remaining bytes with spaces.
Example: The following model number is used for the E5CN-Q2HH03T
(voltage output, two alarm outputs, two heater burnout detection inputs,
communications functions, and multiple TC/Pt inputs).
e 5 c n - Q 2 H H O
(2) Buffer Size
The communications buffer size is expressed in 2-byte hexadecimal,
and read after being converted to 4-byte ASCII.
Buffer size: 40 bytes (= H'0028)
(3) Response Code
Normal Completion
Response code
0000 Normal completion
Error Occurred
Response code
1001 Command too long
2203 Operation error
Model No.
10
Name Description
No errors were found.
Name Description
The command is too long.
EEPROM error
Buffer
size
0 0 2 8
4