Installation manual

Publication 1747-RM001G-EN-P - November 2008
12-32 SLC Communication Instructions
The control block layout is shown below for 485CIF as the target device.
Table 12.12 Read or Write, Local or Remote
(1)
to a 485 CIF
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 0
Word 0 EN ST DN ER
CO
(1)
EW NR TO Error Code
Word 1 Not Used Target Node Address (Local)/Remote Station Address
(Remote)
Word 2 Number of Words
Word 3 Offset in Words
Word 4 Not Used
Word 5 Not Used
Word 6 Not Used
Word 7
(1)
Remote Bridge Address (Remote only) Reserved (Internal Messaging Bits) WQ
Word 8
(1)
Reserved (Internal Messaging Bits) Message Timer Preset
Word 9
(1)
Message Timer Scaled Zero
Word 10
(1)
Message Timer Accumulator
Word 11
(1)
Reserved (Internal Messaging Bits)
Word 12
(1)
Reserved (Internal Messaging Bits)
Word 13
(1)
Reserved (Internal Messaging Bits)
(1)
SLC 5/03 and higher processors only.