Siemens Sitrans WM100 Manuale di istruzioni per l'uso - Pagina 11
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5.2
WM100 Typical Wiring
Should the time delay feature on start up not be required, power should be applied
continuously from a separate source. Typically this would be desirable for automatic
upstream start up of conveying devices after down stream drive has reached its operation
speed.
Note
1. Interlocks and safety pull switches are not shown.
2. If 'START' is initiated by programmable logic controller, closure time may be of insufficient
duration to allow WM100 contact to latch. In such a case, program a timer contact into
circuit.
3. CSA requires a 3 A or less fuse to protect contacts. For 240 V AC, protect contacts with a
1500 VA transformer as well.
SITRANS WM100
Operating Instructions, 07/2017, A5E45103494-AA
Connecting
5.2 WM100 Typical Wiring
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