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Safety PLC

GuardLogix, F-CPU, safety relays, e-stops, light curtains and SIL/PL.
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Replacement 1734-OB8S never connects, SNN mismatch, safety task inoperable

Last post by rsdave, 2 weeks ago

Posts: 8
Views: 18


GuardLogix THRSe two-hand control faults on sync unless both buttons hit together

Last post by mikko, 2 weeks ago

Posts: 9
Views: 38


MSR127RP won't reset after replacing a contactor, K1 K2 LEDs stay off

Last post by pat_k, 2 weeks ago

Posts: 8
Views: 29


ET 200SP F-DQ 4x24VDC PM read-back error the moment it switches a contactor coil

Last post by petra66, 2 weeks ago

Posts: 8
Views: 20


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Replaced ET 200SP F-DI 8x24VDC HF, PROFIsafe address error, module stays passivated

Last post by sanjay12, 2 weeks ago

Posts: 8
Views: 23


Single channel E-stop through one relay on a 1998 bagger, what PL does that reach

Last post by louk, 2 weeks ago

Posts: 8
Views: 14


PowerFlex 525 STO inputs instead of the safety contactor, panel builder wants it dropped

Last post by gunther, 2 weeks ago

Posts: 8
Views: 27


1756-L71S faults with safety partner missing after a chassis rebuild, L7SP is in the rack

Last post by garyb, 2 weeks ago

Posts: 8
Views: 31


TLS3-GD2 guard lock releases a second after Stop while the spindle is still coasting

Last post by mattr, 2 weeks ago

Posts: 9
Views: 26


1769-IQ16 input chatters after wiring it in parallel with a 1734-IB8S safety input

Last post by marekw, 2 weeks ago

Posts: 8
Views: 28


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