Allen-Bradley SmartGuard 600 User Manual

Publication 1752-UM001A-EN-P - October 2006
Function Blocks Command Reference 177
User Mode Switch Function Block Fault Present Output Setting
The Fault Present output can also be used in programming. To enable
this output, check the Use Fault Present checkbox on the In/Out
Settings tab of the Function Block Properties dialog.
User Mode Switch Function Block Truth Table
In the truth table, 0 is off and 1 is on.
User Mode Switch Function Block Error Handling
Use this table to diagnose and reset a discrepancy error condition in
the User Mode Switch function block.
Truth Table for User Mode Switch Function Block
Inputs Outputs
12345678
1 2 3 4 5 6 7 8
10000000
1 0 0 0 0 0 0 0
01000000
0 1 0 0 0 0 0 0
00100000
0 0 1 0 0 0 0 0
00010000
0 0 0 1 0 0 0 0
00001000
0 0 0 0 1 0 0 0
00000100
0 0 0 0 0 1 0 0
00000010
0 0 0 0 0 0 1 0
00000001
0 0 0 0 0 0 0 1
Error Detection and Reset for User Mode Switch Function Block
Error Condition Status When an Error Occurs To Reset the Error
Condition
Output Fault
Present
More than 1 input was
on for more than 2
seconds.
(1)
(1) If more than 1 input is on at the same time, the corresponding output of the first input to turn on will turn on for
2 seconds.
Off
(Safety State)
On Correct the system so that
only one contact is on.
All inputs were off for
more than 2 seconds.

Allen-Bradley SmartGuard 600 Specifications

General

Brand	Allen-Bradley
Model	SmartGuard 600
Category	Controller
Language	English