Rockwell Automation 900 Temperature Controller Communications Functions - Series B - Manual (Page 29)

Publication 900-UM004D-EN-E - July 2010
Bulletin 900 Communications Procedures 900-TCx (CompoWay/F) 2-13
Error occurred
Composite Write to Variable Area
This service reads in order the contents of specified addresses in the variable
area.
Service Request PDU
Service Response PDU
Variable Type and Write Start Address
For details on variable types and read start addresses, Refer
to Communications Data on page 2-3.
Bit Position
The 900-TCx controllers do not support bit access. Fixed to “00.”
Table 2.14
Response Code Name Description
0000 Normal Completion No errors were found.
Table 2.15
Response Code Name Description
1002 Command too short The command is too short.
1101 Area type error The variable type is wrong.
110B Response too long
The number of elements
exceeds the maximum.
1100 Parameter error Bit position is not “00”.
2203 Operation error EEPROM error.
Variable
type Write
address
Variable
type
Write data
2 2
MRC SRC
0 1 1 3 0 0
2 2 4
0 0
2 2 4
Write data
Write
address
Bit
position
Bit
position
Number of elements
×
8 or 4
Number of elements × 8 or 4
MRC SRC
0 1 1 3
2 2 4
Response
code