Allen-Bradley Bulletin 1203 Series User Manual page 54

5–6
Product ID Number Read
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
Message Structure
PLC Request
Message Length
Header Word 1
3
PLC Decimal Value
Header Word 2
256
0 Data Word 3
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.
Drive Response
Header
Message Length
6 Word 1
PLC Decimal Value
Header
256 –– Message OK
Word 2
–32512 –– Message Error
Header
0
Word 3
Product ID Number
Word 4
Product ID
Number
Description
2 1336F (PLUS Fractional)
3 1336F (PLUS)
4 1336G (FIBERS Fractional)
5
1336G (FIBERS)
16 1336T (FORCE)
17 1395
18 1394
19 1557
20 SMP
21 SMC
22 1304
23 1305
Data