Rockwell Automation 1771-PM , D17716.5.18 U MNL 1771-PM CLUTCH/BRAKE MOD - Manual (Page 30)

PC Ladder Programming
Chapter 4
4Ć7
As listed in Table 4.A, backplane switch positions 2 thru 8 correspond
with configuration bits 01 thru 07. The voting processors in your
clutch/brake modules allow press operation only if the set (on) and reset
(off) states of configuration bits in your program correctly match the ON
and OFF settings of corresponding backplane switches. The voting
processors check for correct configuration when you apply power to your
clutch/brake controller or change its mode of operation using the mode
select switch.
Table 4.A
Corresponding Backplane Switch Settings and Configuration Bits
Backplane
Switch
Settings
(figure 3.3)
Configuration
Bits
Backplane switch settings and configuration bits
must be identical
Pos. Setting Bit: Status: Function:
2 ON 01 Set Use Stations 3 and 4
OFF reset Stations 3 and 4 not used
3 ON 02 set Use Motion Detector Feedback
OFF reset Motion Detector Feedback not used
4 ON 03 set Use Valve Stem Feedback
OFF reset Valve Stem Feedback not used
5 ON 04 set Use Air Pressure Feedback
OFF reset Air Pressure Feedback not used
6 ON 05 set Ungrounded AC Power
OFF reset Grounded AC Power
7 ON 06 set Use OnĆTheĆHop
OFF reset OnĆTheĆHop not used
8 ON 07 set Use HalfĆstroke
OFF reset Use StrokeĆAndĆAĆHalf
Module Group 4
Slot 1, Chassis A&B
1771ĆIA
Set Use Dump Valve Outputs
Module Group 4
Slot 1, Chassis A&B
is EMPTY
14
reset Dump Valve Outputs not used
Matching Configuration Bits and
Backplane Switches