Rockwell Automation 1203 Serial Communications Module Series B - Manual (Page 54)

5–6
1203–5.5 September 1995
The Product ID Number Read function returns the product ID of the
device to which the Serial Communications Module is connected.
PLC Block Transfer Emulation Instruction Data
PLC request instruction length: 3 words
Drive response instruction length: 4 words
Header
Word 1
PLC Decimal Value
256
Message Structure
Header
Word 2
Header
Word 3
PLC Request
Header Word 1
Header Word 2
Data Word 3
Message Length
Message Length
PLC Decimal Value
256 –– Message OK
–32512 –– Message Error
0
Drive Response
3
0
Product ID
Number
Description
2
3
4
5
16
17
18
19
20
21
22
23 1336F (PLUS Fractional)
1336F (PLUS)
1336G (FIBERS Fractional)
1336G (FIBERS)
1336T (FORCE)
1395
1394
1557
SMP
SMC
1304
1305
6
Data
Word 4
Product ID Number
Message Operation
The Product ID Number Read function, through the drive response
message word 4, indicates the type of device the Serial
Communications Module is connected to. This value is defined in
the message response chart shown above.
If an error has occurred, word 2 of the response returns a negative
value of –32512.
Product ID Number Read