Omron EJ1G, User Manual, Page: 159 / 237

138
Detailed Description of Services
Section 6-4
6-4-7 Composite Read Registration Confirmation
This service reads the contents of the registration for a composite read from a
variable area.
■
Command
Service Request PDU
■
Response
Service Response PDU
1. Response Codes
2. Variable Type and Read Address
Refer to Parameter List on page 175.
3. Bit Position
The EJ1G does not support bit access. Fixed to 00.
4. No. of Registered Data Items (Variable Type + Read A Bit Posi-
tion)
MRC
2
0 1
SRC
2
1 2
Response code Error name Cause
1001 Command too long The command is too long.
7011 Operation error (7011) The command cannot be executed due to
a device error.
0000 Normal completion Processing was completed normally.
Registered data length No. of registered data items
For double-word (8-digit) variable type 20 max. (0014H)
For word (4-digit) variable type
MRC
2 4
SRC
2
2
2
0 1 1 2
2
0 0
2
0 0
4
4
Response
code Variable
type
Read address Bit
position
Variable
type
Read address Bit
position