Safety gate monitoring function block parameters, Safety gate monitoring function block truth tables – Rockwell Automation 1752-L24BBBE SmartGuard 600 Controllers User Manual User Manual
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Rockwell Automation Publication 1752-UM001E-EN-P - June 2014
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Function Blocks Command Reference
Appendix D
Safety Gate Monitoring Function Block Parameters
Set these parameters for the Safety Gate Monitoring function block.
Safety Gate Monitoring Function Block Truth Tables
In the truth tables, 0 is off and 1 is on.
Table 16 - Safety Gate Monitoring Function Block Parameters
Parameters
Range
Default
Input Type
Single Channel
Dual Channel Equivalent (1 pair)
Dual Channel Complementary (1 pair)
Two Dual Channel Equivalent (2 pairs)
Two Dual Channel Complementary (2 pairs)
Dual Channel
Equivalent
Function Test
No Function Test/Function Test Required
No Function Test
Discrepancy Time
Pair 1
0
…
30 s in 10 ms increments
A discrepancy time check is not performed if 0 is set.
30 ms
Discrepancy Time
Pair 2
Synchronization Time
0
…
30 s in 10 ms increments
A synchronization time check is not performed if 0 is set.
300 ms
Table 17 - Truth Table for Single Channel and Dual Channel (1 Pair) Safety Gate Monitoring
Function Block
Single Channel
Dual Channel Equivalent
Dual Channel Complementary
Input 1
(NC)
Output
Enable
Input 1
(NC)
Input 2
(NC)
Output
Enable
Input 1
(NC)
Input 2
(NC)
Output
Enable
0
0
0
0
0
0
0
0
1
1
0
1
0
0
1
0
--
--
1
0
0
1
0
1
--
--
1
1
1
1
1
0
Table 18 - Truth Table for Dual Channel (2 Pairs) Safety Gate Monitoring Function Block
Dual Channel Equivalent (2 Pairs)
Dual Channel Complementary (2 Pairs)
Input 1
(NC)
Input 2
(NC)
Input 3
(NC)
Input 4
(NC)
Output
Enable
Input 1
(NC)
Input 2
(NC)
Input 3
(NC)
Input 4
(NC)
Output
Enable
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
0
0
0
1
0
0
0
0
1
0
0
0
0
1
1
0
0
0
1
1
0
0
1
0
0
0
0
1
0
0
0
0
1
0
1
0
0
1
0
1
0
0
1
1
0
0
0
1
1
0
0
0
1
1
1
0
0
1
1
1
0
1
0
0
0
0
1
0
0
0
0