Rockwell Automation T8017 Trusted Peer to Peer Communications - Manual (Page 32)

Trusted
TM
Communication Software Package T8017
Issue 10 Mar 08 PD-T8017 32
Dual Peer to Peer Digital Input (data is received via both subnets automatically).
dxpdi – DATA rack Value Comment
NETWORK 1 Network 1
SOURCE_PEER 3 This data must originate from the controller with IP
specified in PEER_IP_03.
SOURCE_DATA_ID 1 Will receive data ID 1. This is a unique packet ID to
enable the system to distinguish between different
data packets routed between the same source and
destination.
REFRESH_TMO 5000 Maximum time allowed before data is declared
invalid.
FS_VALUE FALSE Fail safe state.
DATA rack
Variable 1 - 16 Boolean Digital Input points. Directly mapped to the points on
the output board in controller 3.
STATUS rack
Variable 1 Boolean Input TRUE = data is valid. Will go to FALSE if the
REFRESH_TMO times out.
Variable 2 - 9 Boolean Input Data has been refreshed within the REFRESH_TMO
by subnets 1-8 respectively.
CONTROL rack
Variable 1 Boolean
Output
FALSE = Force data to FALSE when invalid.
TRUE = Allow previous value to persist when data is
invalid.
Table 9 Example 2 - Digital Input (data received automatically from subnets)