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2.5 - Initial start-up and electrical connections

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sonnel.

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seconds, then perform the following checks:

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not, unplug the unit immediately and carefully check the connections and
input voltage.

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has been recognised.

If the connections are correct, the LED for the “NC”-type inputs will be on,

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and

Table 2

TABLE 2

INPUT

INPUT TYPE

STATUS LED

23./

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Check that the relative LEDs switch on and off when the devices connected

to the inputs are operated.

Check that by pressing P2 both motors perform a short opening manoeuvre,

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ing P2 again. If the motors do not start up for opening, invert the polarities

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operate jumper E (

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2.6 - Automatic search system for the limit switches

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trol unit must “measure” how long the opening and closing manoeuvres take

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and closing stops by measuring the load on the motors.

Warning! – If this procedure has already been carried out, in order to

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de letion” chapter).

In order to check whether the memory contains any

li mit switch parameters, turn the power supply to the control unit on
and then off again

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the memory already contains some limit switch parameters.

Before starting limit switch searching, make sure that all the safety devices

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interrupted if a safety device triggers or a command arrives.

The leafs MUST

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includes:

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- Motor closes the lower leaf until it reaches the mechanical closing stop.

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- After the programmed delay, opening of the lower leaf begins. If the delay

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opening mechanical stops.

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is to prevent the leafs from shearing by maintaining a suitable delay.

English –

2.4.1 - Notes about connections

Most connections are extremely simple and many of them are direct connec-

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how to connect external devices:

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matically only when the Phototest function is activated.

Note

- The “Everything

in stand by” and Phototest functions are alternatives as one excludes the other.

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types of connections can be obtained:

- with “Everything in stand by” active (

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see electrical diagram in

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a manoeuvre the control unit goes into “Everything in stand by”, turning off the

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WARNING

–

If the control unit is powered

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stand by” function must be activated as shown in the electrical diagram in

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photocells appropriately (see electrical diagram in

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function.

Note

– When the phototest is activated, the inputs subjected to the

test procedure are PHOTO, PHOTO1 and PHOTO2. If one of these inputs is not
used it must be connected to terminal no. 8.

• Key switch connection

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Note

– For electrical connections with the “Everything in stand by” function

active, see “Everything in stand by/Phototest function” in this paragraph 2.4.1.

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If the gate open indicator has been programmed, the output can be used as an

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If the light is off, the gate is closed. Se the output has been programmed as an
electric lock, it is activated for 3 seconds each time opening begins.

2.4.2 - STOP type input

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NC type STOP

for connecting up to NC type contacts.

Constant resistance STOP.

It enables the user to connect up to the con-

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when the resistance is outside the nominal value. Devices with normally open

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WARNING! – If the constant resistance STOP input is used to connect

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will resistance output guarantee the fail-safe category 3.

Notes to Table 1:
Note 1

– Any number of NO devices can be connected to each other in paral-

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). For electrical connections

with the “Everything in stand by” function active, see “Everything in stand by/
Phototest function” in this paragraph 2.4.1.

Note 2

– The NO and NC combination can be obtained by placing the two con-