Rockwell Automation 1738-IA2M12AC4 ArmorPoint AC Input Modules, Series A - Manual (Page 8)

Publication 1738-IN006B-EN-E - July 2004
8 ArmorPoint AC Input Modules, Series A
Communicate With
Your Module
I/O messages are sent to (consumed) and received from (produced)
the ArmorPoint I/O modules. These messages are mapped into the
processor’s memory. These ArmorPoint I/O input modules produce 1
byte of input data (scanner Rx - status). They do not consume I/O
data (scanner Tx).
Default Data Map for the ArmorPoint AC Input Modules
1738-IA2M12AC3 and -IA2M12AC4
Message size: 1 Byte
7 6 5 4 3 2 1 0
Produces
(scanner Rx)
Not Used Ch1 Ch0 Channel status
Where: Ch0 = Channel 0, Ch1 = Channel 1
0 = off, 1 = on