Omron E5CC-T, Communications Manual

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2 CompoWay/F Communications Procedures
E5

C-T Digital Temperature Controllers Programmable Type Communications Manual (H186)
2-3 Detailed D
escription
of the Ser
v
ices
2
2-3-5 R
ead Controller Attr
ib
utes
(4) Response Code
• Normal Completion
• Error Occurred
* For details on AT (auto-tuning), refer to the E5
@
C-T Digital Temperature Controllers User's Manual (Cat. No.
H185).
This service reads the model number and communications buffer size.
• Service Request PDU
• Service Response PDU
(1) Model Number
The model number is expressed in 10-byte ASCII.
Example: The model is given as shown below for the E5CC-TRX3ASM-000
(relay output, 3 auxiliary outputs, and no options).
8 6 0 16
7 7 0 17
6 8
6 9
Response code Name Description
0000 Normal completion No errors were found.
Response code Error name Cause
1002 Command too short The command is too short.
1101 Area type error The variable type is wrong.
1100
Parameter error • Bit position is not “00.”
• The write data is out of the setting range.
3003 Read-only error Variable type “C0” was written to.
2203
Operation error • The Communications Writing parameter is set to “OFF”
(disabled).
• Attempted to write to a parameter in setup area 1 from
setup area 0.
• Attempted to write to a protect parameter from other
than the protect level.
• AT (auto-tuning) was in progress. *
• Non-volatile memory error
• The Program No. parameter was written during
operation.
2-3-5 Read Controller Attributes
Composite Write Composite Write
Double word
(variable types C1,
C3, C4, C5, C9, or
DA)
Word
(variable types 81,
83, 84, 85, 89, or 9A)
Double word
(variable types C1,
C3, C4, C5, C9, or
DA)
Word
(variable types 81,
83, 84, 85, 89, or 9A)
MRC SRC
0 5 0 3
2 2
MRC SRC
0 5 0 3
2 10 2 4 4
0 0 D 9
Response
code
Model N o.
B u ffer size