Safety Instruction execution times
The list is the average execution times for the GuardLogix Safety Application Instructions.
Logix Designer
application instructions were measured while enabled and operating on an enabled ladder logic rung.Version 17 and later, Safety Application Instructions
Mnemonic | Name | Execution Time | |||
with 1756-L6S controllers | with 1756-L7S controllers | with 1769-L3S controllers | |||
CROUT | Configurable Redundant Output | Negative Feedback | 12 µs | 9 µs | 14 µs |
Positive Feedback | 14 µs | 9 µs | 9 µs | ||
DCS | Dual Channel Input - Stop | 24 µs | 13 µs | 14 µs | |
DCST | Dual Channel Input - Stop With Test | 26 µs | 13 µs | 14 µs | |
DCSTL | Dual Channel Input - Stop With Test and Lock | 36 µs | 18 µs | 20 µs | |
DCSTM | Dual Channel Input - Stop With Test and Mute | 28 µs | 15 µs | 16 µs | |
DCM | Dual Channel Input - Monitor | 14 µs | 8 µs | 8 µs | |
DCSRT | Dual Channel Input - Start | 20 µs | 10 µs | 11 µs | |
DCA | Dual Channel Analog Input | 36 µs | 16 µs | 18 µs | |
DCAF | Dual Channel Analog Input (Floating Point) | ----- | 16 µs | 15 µs | |
SMAT | Safety Mat | 16 µs | 10 µs | 10 µs | |
THRSe | Two-Hand Run Station – Enhanced | 44 µs | 19 µs | 33 µs | |
TSAM | Two Sensor Asymmetrical Muting | 30 µs | 19 µs | 19 µs | |
TSSM | Two Sensor Symmetrical Muting | 30 µs | 16 µs | 18 µs | |
FSBM | Four Sensor Bidirectional Muting | 34 µs | 18 µs | 19 µs |
Version 17 and later, Metal Form Safety Application Instructions
Mnemonic | Name | Execution Time | ||
with 1756-L6S controllers | with 1756-L7S controllers | with 1769-L3S controllers | ||
CBCM | Clutch Brake Continuous Mode | 28 µs | 15 µs | 17 µs |
CBIM | Clutch Brake Inch Mode | 18 µs | 11 µs | 12 µs |
CBSSM | Clutch Brake Single Stoke Mode | 20 µs | 13 µs | 13 µs |
CPM | Crankshaft Position Monitor | 24 µs | 14 µs | 15 µs |
CSM | Camshaft Monitor | 24 µs | 15 µs | 15 µs |
EPMS | Eight-position Mode Selector | 24 µs | 14 µs | 16 µs |
AVC | Auxiliary Valve Control | 20 µs | 10 µs | 14 µs |
MVC | Main Valve Control | 12 µs | 9 µs | 8 µs |
MMVC | Maintenance Manual Valve Control | 20 µs | 14 µs | 13 µs |
Version 14 and later, Safety Application Instructions
Mnemonic | Name | Execution Time | |||
with 1756-L6S controllers | with 1756-L7S controllers | with 1769-L3S controllers | |||
ENPEN | Enable Pendant | Auto Reset | 8 µs | 6 µs | 6 µs |
Manual Reset | 10 µs | 6 µs | 6 µs | ||
ESTOP | E-stop | 10 µs | 7 µs | 7 µs | |
RIN | Redundant Input | 10 µs | 7 µs | 7 µs | |
ROUT | Redundant Output | Negative Feedback | 10 µs | 6 µs | 6 µs |
Positive Feedback | 14 µs | 9 µs | 9 µs | ||
DIN | Diverse Input Auto Reset | 12 µs | 8 µs | 9 µs | |
Diverse Input Manual Reset | 16 µs | 8 µs | 8 µs | ||
FPMS | 5-Position Mode Selector | 12 µs | 9 µs | 9 µs | |
THRS | Two Handed Run Station | Active Pin Enabled | 16 µs | 10 µs | 12 µs |
Active Pin Disabled | 14 µs | 10 µs | 11 µs | ||
LC | Light Curtain | 14 µs | 9 µs | 9 µs |
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