Datacom Systems D56 Průvodce řešením problémů stáhnout pdf (Strana 39)

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Section 11. REMOTE KEYSWITCH

This section provides instructions for the connection of an optional remote 4146 keyswitch

for remote arming and disarming of the system, and the programming necessary when a

keyswitch is used. Also included is a description of how the keyswitch operates in the

system.

Installing the Keyswitch

The remote 4146 keyswitch (with red and green LEDs to indicate status) is

connected to zone 7.

Remote Keyswitch Connections

1. Connect the 4146 keyswitch's normally open momentary switch to zone 7

terminals (18 and 19). Remove the 2000 ohm EOL resistor if connected

across zone 7 terminals.

When zone 7 is used for keyswitch usage, zone 7 is no longer available for use

as a protective zone.

2. Connect the Red and Green LEDs to pins 7, 8, and 9 on the 9-pin

connector, using a 4142TR cable as shown in Figures 19 (A) and (B).

3. Connect a 2000 ohm EOL resistor across the momentary switch.

4. You can wire an optional closed-circuit tamper switch (model 112) in

series with the zone. If the switchplate is then removed from the wall,

the tamper will open, disabling keyswitch operation until the system is

next disarmed from the keypad.

If the tamper (or zone 7 loop wires) is opened when the system is armed,

an alarm will occur.

If you are using more than one keyswitch, connect the EOLR at the last

switch. The momentary arming switches must all be across the loop and the

tamper switches in series with it. The LEDs will not be as bright since they

will be sharing drive current in this case.

The 4146 keyswitch can be used with only the Red and Green LEDs

connected (omitting the lock switch and tamper switch) to simply provide an

arming/ready status indicator panel (see “LED Indications” table under

Keyswitch Operation at the end of this section). When so used, no

connections are made to zone 7, which may then be used as a hardwired

protection zone, provided you do not enable field

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Datacom Systems D56 Průvodce řešením problémů Strana 39