Rockwell Automation 1771-QB Linear Pos. - Manual (Page 55)

Installing the Linear Positioning Module
Chapter 5
5Ć16
Jog Reverse Input
The jog reverse input is valid only in the manual mode. The jog reverse input is
similar to the jog forward input, except the axis movement is in the reverse
direction (the direction of negative movement relative to the zero-position
offset). Connect the JOG REV terminal (21/22) in the same way as the jog
forward input. Leave the terminal disconnected if you are not using it.
General Purpose Inputs
There are two general purpose inputs for each control loop of the module at
terminals INPUT 1 (23/24) and INPUT 2 (25/26). You can monitor the state of
the signal at these terminals through the status block (see Chapter 6) or use
these terminals as programmable inputs (see Chapter 9).
Connecting Multiple Modules
To connect the discrete inputs of two or more modules to a single control line,
you must pull the signal to ground with either a double-throw switch or a
pull-down resistor.
Figure 5.9
Using a DoubleĆThrow Switch to Control Multiple QB's
50025
LOOP2
AUTO/MAN
START
STOP
JOG FWD
JOG REV
INPUT 1
INPUT 2
I/P COMMON
14
16
18
20
22
24
26
28
Module A
Wiring Arm
10 to 30 VDC
DoubleĆthrow
Switch
LOOP2
AUTO/MAN
START
STOP
JOG FWD
JOG REV
INPUT 1
INPUT 2
I/P COMMON
14
16
18
20
22
24
26
28
Module B
Wiring Arm