D9412G/D7412G Operation & Installation Guide
© 2002 Radionics
Page 55
43488D
D9412G/D7412G
Arming Devices
10.4
Keyswitch
10.4.1 Description
A maintained or momentary contact arming station (keyswitch) can be connected to master arm/disarm any of the
areas in the system. The keyswitch is connected to an on-board or off-board point’s sensor loop. Relays can be
programmed to activate arming status LEDs for keyswitch arming stations. See
Relays in the D9412G/D7412G
Program Entry Guide.
10.4.2 Programming
See
Point Assignments in the D9412G/D7412G Program Entry Guide for the correct programming for points used
for keyswitches.
10.4.3 Installation
For maintained switches, connect the end-of-line resistor for the point at the keyswitch so that the switch opens the
circuit when it operates. A short on the circuit produces an alarm if the area is armed and a trouble if it is disarmed.
See
Figure 20.
For momentary switches, connect the end-of-line resistor for the point at the keyswitch so that the switch shorts the
resistor when it operates. An open on the circuit produces an alarm if the area is armed and a trouble if it is
disarmed. See
Figure 20.
10.4.4 Keyswitch Operation
Maintained Contact
If the point to which the keyswitch is connected is programmed for a maintained contact, an open on the arming
circuit arms the area. All faulted points are force armed, regardless of the entry in the
FA Bypass Max program
item. Returning the circuit to normal disarms the area. See
Area Parameters and Point Assignments in the
D9412G/D7412G Program Entry Guide.
Momentary Contact
If the point to which the keyswitch is connected is programmed for a momentary contact, shorting the arming circuit
toggles the area’s arming state between armed and disarmed. All faulted points are force armed, regardless of
the entry in the
FA Bypass Max program item. See Point Assignments in the D9412G/D7412G Program Entry
Guide.
Silencing the Bell
To silence the bell (stop Alarm Bell output) if the system is armed, operate the keyswitch to disarm the area. If the
area is disarmed, operate the keyswitch once to start the arming process and a second time to stop the arming
process and silence the bell.
Figure 20: Keyswitch Wiring
COMMON
POINT INPUT
OPEN ON
CIRCUIT
ARMS AREA
COMMON
POINT INPUT
SHORT ON
CIRCUIT
TOGGLES
ARMING
STATE
MAINTAINED KEYSWITCH
MOMENTARY KEYSWITCH
1 k
Ω
*
or
33 k
Ω
*
1 k
Ω
*
or
33 k
Ω
*
* Use 1 k
Ω
end-of-line resistors if using one of the zones on the panel or an OctoPOPIT.
Use a 33 k
Ω
resistor if using a POPIT.
Содержание D7412G
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