Bedienungsanleitung Abus Terxon LX - AZ4200 (Seite 104 von 116) (Englisch)

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Appendix IV – Wiring Information

1.21 Transistor outputs

By programming the transistor outputs, you can

address external devices such as LEDs,

signalling devices and relays. The board contains

2 negative-switching outputs (–3 and –5) that

switch from 12V to 0V on activation, and a

positive-switching output (+4) that switches from

0V to 12V on activation. A current of up to 500mA

can flow through outputs –3 and –5. If output +5

is activated, it supplies a maximum current of

500mA for addressing external devices. The

outputs can be used for displaying intrusion,

panic, duress, voltage loss or input of a special

code.

1.22 Relay outputs

The two relay outputs have potential-free

alternating contacts, which can switch on/off

externally connected devices. Connect one

contact of a device with the COM contact and the

other either with N/O or N/C. If you connect to

N/O, the contact between COM and N/O is open

(N/O = normally open). If you use contact N/C,

the contact between COM and N/C is closed

(N/C = normally closed). Connect as shown here:

1.23 Relay module

For the digital communication outputs, you can

optionally use a relay board. You can switch max.

1A/30V DC with this.

1.24 Connecting strip: factory defaults

If the FACTORY RESTART contacts are short-

circuited while the alarm centre is connected to

the mains power supply, all system parameters

are reset to their factory default settings,

including the engineer password. Make sure the

contacts remain closed until LED1 begins to flash.

To reset the engineer password only, short-circuit

the two contacts briefly while the equipment is

connected to the mains power supply.

1.25 Serial printer interface

You can connect a serial printer (RS232) direct to

the alarm centre at the serial printer interface.

This enables you to print the programmed

settings or the event memory, including online. In

online mode, every event is printed immediately.

The printer settings are: 4800 baud, 8 data bits, 1

stop bit, 1 start bit, no parity, and DTR normal.

1.26 Engineer keypad

An operating panel set to “Engineer Keypad” can

be connected direct to the “ENGINEERS

KEYPAD” contacts of the alarm centre. This

operating panel should be connected only briefly,

for programming and testing. No tamper alarm is

generated when the engineer keypad is removed.

After the system has been completely

programmed, an engineer keypad should only be

connected to bus 1 or 2 for programming

purposes. Connect as in the following diagram:

1.27 Alarm centre LEDs

The LEDs have the following meaning:

• LED1 (heartbeat): Flashes once a second

and shows that the alarm centre is

operational. Following a reset, the LED

flashes faster.

• LED2 (bus fuse 1): Monitors bus 1. When lit,

shows that the 12V supply of the circuit is

open.

• LED3 (bus fuse 2): Monitors bus 2. When lit,

shows that the 12V supply of the circuit is

open.

• LED4 (telephone): Lights when the telephone

line is activated.

• LED5 (voltage): Lights when the alarm centre

is supplied with voltage (mains or battery).

• LED6 (12V output fuse): Monitors the fuse for

the 12V output for the connection of the

voltage supply of external devices.

• LED7 (bell output fuse): Monitors the fuse of

the bell output.

• LED8 (state of relay 1): Lights when relay 1 is

activated.

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