Publication 1747-RM001G-EN-P - November 2008
15-4 Messaging Examples
The DF1 Remote/Local Pass-Thru bit (S2:34/6) is cleared in order to send
messages to the channel 1 DH-485 network as remote DH-485 packets. This
is the default setting for this bit. The DF1 Remote/Local Pass-Thru bit
(S2:34/6) is needed when non-remote capable devices exist on the channel 1
DH-485 network, such as SLC 500 Fixed, SLC 5/01, SLC 5/02, ControlLogix,
FlexLogix, and CompactLogix controllers. The DF1 Remote/Local Pass-Thru
bit (S2:34/6) should be set for passthru messaging to these controllers.
RSLogix500 V 6.10.10 and earlier do not reference S2:34/6 in structured
display formats. In order to alter this bit, change the RADIX from structured
to binary.
TIP
No programming logic is necessary in the passthru
processor.
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