Rockwell Automation 1732DS-IB8 User Manual page 150

146 Get Point Status from Safety I/O Modules by Using Explicit Messaging
Publication 1791DS-UM001H-EN-P - April 2009
• Note that the second rung can be used to read the status on
mode transition and once a fault is detected, continue reading
until the fault is corrected.
See the figure that shows 1791DS-IB4XXOW4 message
instruction parameters.
Note that we created a UDT for the destination type.
• You can find the UDT call Assembly819_1791DS_IB4XOW4 in
the ACD file. This UDT is based on Assembly819 for
1791DS_IB4XOW4 module.
• There are other assemblies in the EDS file that can be used,
but this one is the most inclusive.
• Make sure the communication path is set to the correct
module.