PAGE
12
NTI010hA
CHARACTERISTICS
Operating mechanism
type MR41E
ENGLISH
ELECTROMAGNETIC LOCKING DEVICE (OPTION)
The electromagnetic locking device, incorporated into the electrical operating mechanism, is fitted with a shutter at the inlet
orifice of the emergency crank-handle, activated by an electromagnet.
The shutter is open once the 2 conditions below have been met:
- Voltage transmitted from the control station
- Position selector in the ‘manual control’ position.
Operation :
1 – Once the manual operation authorisation has been given, apply voltage to the electromagnet from the control station.
2 – Switch the position selector to the ‘manual control’ position.
3 – Insert the emergency crank-handle. Carry out the manual operation.
4 – Remove the crank-handle
Close the label. Switch the position selector to the chosen position.
Shutter
closed
Shutter
opened
Checking proper operation of the S-COM boards of the single pole operated LAN network
Check proper operation of the electrical operating mechanisms with one another:
Set the selector to MANUAL, and check that the LEDS of
the S-COM board light up on the three electrical operating
mechanisms
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