Model number, Buffer size, Response code – Rockwell Automation 900 Temperature Controller Communications Functions - Series B User Manual
Page 31: Read controller attributes -15, Read controller attributes
Publication 900-UM004D-EN-E - July 2010
Bulletin 900 Communications Procedures 900-TCx (CompoWay/F)
2-15
Read Controller Attributes
This service reads the model number and communications buffer size.
Service Request PDU
Service Response PDU
Model Number
The model number is expressed in 10-byte ASCII. When 10 bytes are
not required, pad the remaining bytes with spaces.
Buffer Size
The communications buffer size is expressed in 2-byte hexadecimal, and
read after being converted to 4-byte ASCII.
Buffer size: 40 bytes (= H’0028)
217 bytes (= H’00D9) (900-TC8, 900-TC16,
and 900-TC32 Series B)
Response Code
Normal Completion
Error Occurred
Table 2.19
Response Code
Name
Description
0000
Normal completion
No errors were found.
Table 2.20
Response Code
Name
Description
1001
Command too long
The command is too long.
2203
Operation error
EEPROM error.
MRC SRC
0 5 0 3
2
2
MRC SRC
0 5 0 3
0 0 D 9
2
2
4
10
4
Response
code
Model No.
Buffer
size