5 lift blocking function, Lift blocking, Blocking procedure – 2N Lift8 v1.6.0 User Manual

Page 138

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2N TELEKOMUNIKACE a.s., www.2n.cz

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4.5 Lift Blocking Function

Lift Blocking

Blocking procedure

The contact closes/opens whenever an alarm call cannot be set up. Connect the contact
to the appropriate controller input of the lift/group of lifts. The control electronics shall
ensure that, upon contact opening, the lifts that are in operation arrive in the nearest
station and open the door.

Every

and every splitter are equipped with the lift blocking contact. Refer to Subs.

CU

Central Unit – Lift Blocking Contact Connector.

2.1, PSTN/GSM/UMTS/VoIP

The lift blocking function will be enabled if:

no number is defined in the ALARM memory – the lift gets blocked immediately.
a number to a non-existent machine room (intercom) is defined – the lift gets
blocked in 2 minutes.
a PSTN number is defined but no module is inserted – the lift gets blocked
immediately.
the external line (PSTN, VoIP) is not functional – the lift gets blocked in 15
minutes.
no SIM (GSM/UMTS) is inserted – the lift gets blocked in 15 minutes.
the capacity of the device feeding battery so low that the internal buses (audio

s) get disconnected – the lift gets blocked when the internal bus gets

unit
disconnected.

is off – the lift gets blocked immediately.

L8

The lift blocking function will be disabled if:

the line works for 1 minute at least (PSTN, VoIP).
a power supply is connected to recharge the battery.

Caution

This function may be mandatory if the applicable regulations valid for the
country and time of installation require so.

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