Allen-Bradley GuardLogix 5570

12 Rockwell Automation Publication SAFETY-AT125C-EN-P - February 2022
Enabling Switch with an Integrated Safety Controller and a POINT Guard I/O Safety Module Safety Function Application Technique
For controller logic that you can download to your controller, see the attached ACD file.
Falling Edge Reset
ISO 13849-1 stipulates that instruction reset functions must occur on falling edge signals. To comply with this requirement, a One Shot Falling
(OSF) instruction is used on the reset rung. Then, the OSF instruction Output Bit tag is used as the reset bit for the STO output rung.
0
O1
FP
Dual Channel Input Stop
DCS
Zone1_Door
Safety Function
SAFETY GATE
Input Type
EQUIVALENT - ACTIVE HIGH
Discrepancy Time (Msec)
500
Restart Type
AUTOMATIC
Cold Start Type
AUTOMATIC
Channel A
AENT:1:I.Pt00Data
0
Channel B
AENT:1:I.Pt01Data
0
Input Status
AENT:1:I.CombinedInputStatus
0
Reset
AENT:1:I.Pt05Data
0
DCS
1
O1
FP
Dual Channel Input Start
DCSRT
Zone1_Enable_Pendant
Safety Function
ENABLE PENDANT
Input Type
EQUIVALENT - ACTIVE HIGH
Discrepancy Time (Msec)
250
Enable
Slow_Machine_Mode
0
Channel A
AENT:1:I.Pt02Data
0
Channel B
AENT:1:I.Pt03Data
0
Input Status
AENT:1:I.CombinedInputStatus
0
Reset
AENT:1:I.Pt05Data
0
DCSRT
2
AENT:1:I.Pt04Data
SB
OB
One Shot Falling
Storage Bit
Wrk_Zone1_OSF
Output Bit
Wrk_Zone1_FallingEdge
OSF
3
Wrk_Zone1_FallingEdge
Door_OK
Zone1_Door.O1
/
Zone1_K1K2.FP
Door_OK
4
Door_OK
Zone1_Enable_Pendant.O1
Energize_K1K2
5
O1
O2
FP
Configurable Redundant Output
CROUT
Zone1_K1K2
Feedback Type
NEGATIVE
Feedback Reaction Time (Msec)
500
Actuate
Energize_K1K2
0
Feedback 1
AENT:1:I.Pt07Data
0
Feedback 2
AENT:1:I.Pt07Data
0
Input Status
AENT:1:I.CombinedInputStatus
0
Output Status
AENT:2:I.CombinedOutputStatus
0
Reset
AENT:1:I.Pt05Data
0
CROUT
6
Zone1_K1K2.O1 Zone1_K1K2.O2 AENT:2:O.Pt00Data
AENT:2:O.Pt01Data