Schneider Electric INTERBUS Basic Spécifications Page 26

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The STB NIB 2212 NIM Module
26
31004624 8/2009
NOTE: The RBST pin detects the presence of a subsequent node on the ring. In
the absence of this detection (or if the node has no out connector at all), the network
ring is closed.
INTERBUS Networking Cable and Connectors
The drop cable from the fieldbus to the Advantys STB INTERBUS NIM (and the one
from the NIM to the next INTERBUS node) must have connectors that observe this
pin assignment scheme. INTERBUS networking cables are shielded, twisted-pair
electrical cables, compliant with INTERBUS standard DR-303-1. There should not
be an interruption to any wire in bus cables. This allows for a future specification for
use of reserved pins.
6/DO1 /DO2
7/DI1 /DI2
8 unused unused
9 unused RBST (see note below)
Pin Signal (in) Signal (out)
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