Allen-Bradley C Series User Manual

POINT I/O Input Module 9
Publication 1734-IN051D-EN-P - April 2004
Communicating with Your Module
I/O messages are sent to (consumed) and received from (produced) the
POINT I/O modules. These messages are mapped into the processor’s
memory. This POINT I/O input module produces 1 byte of input data
(scanner Rx). It does not consume I/O data (scanner Tx).
Default Data Map for the 1734-IB2 Input Module
Message size: 1 Byte
Default Data Map for the 1734-IB4 Input Module
Message size: 1 Byte
Default Data Map for the 1734-IB8 Input Module
Message size: 1 Byte
7 6 5 4 3 2 1 0
Produces (Rx) I1 I0
Consumes (Tx) No consumed data
Where: I0 = channel 0, I1 = channel 1; 0 = off, 1 = on
7 6 5 4 3 2 1 0
Produces (Rx) I3 I2 I1 I0
Consumes (Tx) No consumed data
Where: I0 = channel 0, I1 = channel 1, I2 = channel 2 and I3 = channel 3; 0 = off, 1 = on
7 6 5 4 3 2 1 0
Produces (Rx) I7 I6 I5 I4 I3 I2 I1 I0
Consumes (Tx) No consumed data
Where: I0 = channel 0, I1 = channel 1, I2 = channel 2 and I3 = channel 3; I4 = channel 4,
I5 = channel 5, I6 = channel 6, I7 equals channel 7; 0 = off, 1 = on
AB Parts

Allen-Bradley C Series Specifications

General

Brand	Allen-Bradley
Model	C Series
Category	I/O Systems
Language	English