Instruction Manual

Trusted

Communication Software Package T8017

Issue 10 Mar 08 PD-T8017 32

Dual Peer to Peer Digital Input (data is received via both subnets automatically).

xpdi – 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)