User guide

Using I/O Messaging
6-7
SLC Data Table
Read Data
The scanner is configured for 18 bytes (9 words) of inputs for each
drive, the maximum amount allowed. Two drives require 36 bytes
(18 words) maximum.
Write Data
The scanner is configured for 18 bytes (9 words) of outputs for each
drive, the maximum amount allowed. Two drives require 36 bytes
(18 words).
Logic Command/Status Words
These examples use the Logic Command word and Logic Status
word for SP600 drives. Refer to Appendix C, Logic Command/
Status Words to view these. The definition of the bits in these words
may vary if you are using a different DPI product. Refer to the
documentation for your product.
Station 1
Address
Station 2
Address Function
I:1.0 I:1.9 Logic Status
I:1.1 I:1.10 Feedback
I:1.2 I:1.11 Datalink A1
I:1.3 I:1.12 Datalink A2
I:1.4 I:1.13 Datalink B1
I:1.5 I:1.14 Datalink B2
I:1.6 I:1.15 Datalink C1
I:1.7 I:1.16 Datalink C2
I:1.8 I:1.17 Datalink D1
Station 1
Address
Station 2
Address Function
O:1.0 O:1.9 Logic Command
O:1.1 O:1.10 Reference
O:1.2 O:1.11 Datalink A1
O:1.3 O:1.12 Datalink A2
O:1.4 O:1.13 Datalink B1
O:1.5 O:1.14 Datalink B2
O:1.6 O:1.15 Datalink C1
O:1.7 O:1.16 Datalink C2
O:1.8 O:1.17 Datalink D1