I/O CONTROLLOGIX MESSAGING EXAMPLE
PRODUCT REFERENCE GUIDE
349
Discrete Output Word
Bit Bit = 0 Bit = 1
0* Trigger Off Trigger On
1 – 7 Unused Unused
8* Reader Relay #1 Off Reader Relay #1 On
9* Reader Relay #2 Off Reader Relay #2 On
10* Reader Relay #3 Off Reader Relay #3 On
11* Reader Relay #4 Off Reader Relay #4 On
12-15 Unused Unused
Instance 0x80 Attributes (Configuration Instance)
Most I/O clients include a Configuration path when opening an I/O connection to a
server. There is no Configuration data needed.
Instance 0x81 Attributes (Heartbeat Instance – Input Only)
This instance allows clients to monitor input data without providing output data.
Common Services
Service Code Implemented for Service Name
Class Level Instance Level
0EHEX Yes Yes Get_Attribute_Single
10HEX No Yes Set_Attribute_Single
Connection Manager Object (06 HEX)
This object has no attributes.