Write Variable Area - Omron E5C-T Series Communications Manual

• Error Occurred
Response code
(5) Precautions
• Alarm Function
Even though alarms are not displayed on the Controller's display, they function normally in
communications.
2-3-2

Write Variable Area

This service writes data to the variable area.
• Service Request PD
MRC SRC
0 1 0 2
2 2
• Service Response PDU
MRC SRC
0 1 0 2
2 2
(1) Variable Type and Write Start Address
For details on variable types and write start addresses, refer to Section 3 Communications Data for
CompoWay/F.
(2) Bit Position
Bit access is not supported. Fixed to "00."
(3) Number of Elements
Number of elements
Double word
(variable types C1, C3, C4, C5,
C9, or DA)
Word
(variable types 81, 83, 84, 85, 89,
or 9A)
E5C-T Digital Temperature Controllers Programmable Type Communications Manual (H186)
1001 Command too long
1002 Command too short
1101 Area type error
Start address out-of-range error
1103
Response too long
110B
1100 Parameter error
2203 Operation error
Variable Start write Bit
type address position
0 0
2 4 2
Response
code
4
0000
0001 to 0018
(1 to 24)
0001 to 0030
(1 to 48)
2 CompoWay/F Communications Procedures
Error name
Write Data (for number
Number of
of elements)
elements
4
Number of elements
× 8 or 4
The write operation is not performed (do not append write
data to the service request PDU) and processing ends in a
normal completion.
The write operation is performed and processing ends in a
normal completion.
Cause
The command is too long.
The command is too short.
The variable type is wrong.
The read start address is out of
range.
The number of elements exceeds
the maximum.
Bit position is not "00."
Non-volatile memory error
Processing
2
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