2.3 Details of Services
E5AN/EN/CN/GN
2--11
This service reads the model No. and communications buffer size.
MRC SRC
Response
code
Communica-
tions buffer size
0 5 0 3
2
2
4
4
MRC SRC
0 5 0 3
2
2
Model No.
10
0 0 2 8
Service request PDU
Service response PDU
(1) Model No.
The model No. is expressed in 10-byte ASCII code. Empty bytes are
space codes.
Example :
The model No. for a unit equipped with relay output, HBA and
communications functions is expressed as follows:
E 5 C N - R 2 H 0 3
(2) Communications buffer size
The communications buffer size is expressed in 2-byte hexadecimal
code, and read after being converted to 4-byte ASCII code.
Buffer size: 40 bytes (= H’0028)
(3) Response code
At normal completion
Response code
Name
Description
0000
Normal completion
No errors were found.
At occurrence of error
Response code
Name
Description
1001
Command too long
The command is too long.
2203
Operation error
EEPROM error
J
Read controller
attributes
