Centurion FAAC 844 Spécifications télécharger pdf (Page 13)

FAAC MODEL 844 Slide Gate Operator

N B

Fig. 23

5.4.1. Connection of Photocells and Safety Devices

Before connecting safety devices and photocells, it is advisable

to select the type of operation according to the area they have to

protect (see Fig. 24 for example).

Opening Safety Devices:

Tripped when an obstacle is detected only during gate

opening movement. They cause immediate reversing

and resumption of the opening motion on release (see

programming in Section 5.5.2.)

Closing Safety Devices:

Tripped when an obstacle is detected only during gate

closing movement. They cause reversing, either immediate

or on release (see programming in Section 5.5.2.)

Opening/Closing Safety Devices:

Tripped during the gate opening and closing movements.

They cause stopping and restart motion on release.

"Edge" Safety Devices:

Tripped during the gate opening and closing movements.

They cause immediate reversal of motion and stopping

after two seconds.

Encoder:

Monitors for an obstacle during gate opening and closing

movements. It causes immediate reversal of motion and

stopping after two seconds.

N.B: If two or more safety devices have the same function (ope-

ning, closing, opening and closing, edge), the contacts must

be connected to each other in series (Fig. 25).

N.C. contacts must be used.

N.B: If safety devices are not used, jumper the terminals as

shown in Fig. 26.

The most common photocell and safety device lay-outs are shown

below (from Fig. 27 to Fig. 34).

VAC (Max. 60W)

~ VAC

TOTAL

OPEN

PARTIAL

OPEN

STOP

For connection of the

photocells and safety

devices, see Section

5.4.1.

LIMIT-SWITCH

Audio Alarm 24 Vcc

max. 125mA

Capacitor

5.4. ELECTRIC CONNECTIONS

Fig. 24

Closing

photocells

Closing photocells

Opening or opening/

closing photocells

"Edge" safety devices

Fig. 25

Connection of two N.C. contacts in series

(e.g. Photocells, Stop, Edge, etc.)

Fig. 26

Connection of no safety device

Fig. 28

Connection of an "edge" safety device

BLUE

Connection of a closing safety device and an opening safety

device

Fig. 27

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 26 27

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Centurion FAAC 844 Spécifications Page 13

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