Moeller - LS-Titan® position switches - "Process protection and enhanced personnel protection" with separate signal for door position

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Moeller Wiring Manual > Control circuit devices > LS-Titan® position switches > LS…MT-ZBZ, magnet-powered interlock (operating current principle)

Control circuit devices

LS-Titan® position switches

"Process protection and enhanced personnel protection" with separate signal for door position [t-head1-pg]


LS…ZBZ
		Stop signal Waiting time Process sequence halted Protective device open Product OK

LS…MT-ZBZ, magnet-powered interlock (operating current principle) [t-head1-nnp]


LS-S02-…MT-ZBZ
				Safety contact Signalling contact Interlocked Released open


Door closed and interlocked	→ Voltage on coil (A1, A2) Safety contact (21-22) closed Signalling contact (11 - 12) closed		Door open	→ Both contacts in the open position tamperproof against simple tools

Door released	→ Coil de-energised (A1, A2) e.g. via zero-speed monitor, Safety contact (21 – 22) opens Signalling contact (11 - 12) remains closed		Close door	→ Signalling contact (11 – 12) closes

Door open	→ Only possible once it is released Signalling contact (11 - 12) opens.		Interlock door	→ Apply voltage to coil (A1, A2) 1st actuator interlocked 2nd safety contact (21-22) closes


LS-S11-…MT-ZBZ
				Safety contact Signalling contact Interlocked Released open


Door closed and interlocked	→ Voltage on coil (A1, A2) Safety contact (21-22) closed Signalling contact (13-14) open		Door open	→ Safety contact (21 - 22) open Signalling contact (13-14) closed

Releasing of door	→ Coil de-energised (A1, A2) e.g. via zero-speed monitor, Safety contact (21 – 22) opens		Close door	→ Signalling contact (13 - 14) opens.

Door open	→ Only possible once it is released Signalling contact (13 - 14) closes.		Interlock door	→ Apply voltage to coil (A1, A2) 1st actuator interlocked 2nd safety contact (21-22) closes

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