Composite Read Registration - Omron EJ1 User Manual

Detailed Description of Services
6-4-6

Composite Read Registration

This service specifies the addresses to be read when using the composite
read registration from variable area service.
The registered data is saved in EEPROM.
Command
Service Request PDU
Read address Bit
Variable
MRC SRC
type
0 1 1 1
2 2 2
Response
Service Response PDU
MRC SRC
Response code
0 1 1 1
2 2 4
1. Variable Type and Read Address
Refer to Parameter List on page 193.
Composite reads/writes cannot be registered for the DA/9A variable types.
2. Bit Position
The EJ1 does not support bit access. Fixed to 00.
3. No. of Registered Data Items (Variable Type + Read Address + Bit Posi-
tion)
Registered data length
For double-word (8-digit) variable type
For word (4-digit) variable type
4. Response Codes
Response code Error name
1002 Command too short
1101 Area type error
1100 Parameter error
2201 Operation error (2201) The command cannot be executed during
7011 Operation error (7011) The command cannot be executed due to
7013 Operation error (7013) The command cannot be executed
7014 Operation error (7014) The command cannot be executed during
7015 Operation error (7015) The command cannot be executed during
7041 Operation error (7041) The command cannot be executed in
7042 Operation error (7042) The command cannot be executed in tun-
0000 Normal completion
Variable
position type
0 0
4 2
No. of registered data items
20 max. (0014H)
The command is not long enough.
The corresponding variable type does not
exist.
Bit position is not 00.Write data is out of
setting range.
operation.
a device error.
because the operation command cannot
be received.
backup.
reset (including startup).
manual operation mode.
ing mode.
Processing was completed normally.
Section 6-4
Read address Bit
position
0 0
2 4 2
Cause
153