Sonalert - TM-5-6350-262-14-50032

TM 5-6350-262-14/5

NAVELEX 0967-466-9050

TO 31S9-4-38-1

output connector pins J9-14 and -U. If the duress alarm

signal input is still present after the 10second time period, the

(1) Latched Alarm. When a duress alarm signal is

instantaneous alarm output signal will continue until the alarm

received, an instantaneous latched alarm output signal is

input disappears. Instantaneous no-alarm/alarm signals are

supplied by latched alarmed module A10 if the control unit

applied between terminals 1-I and 1-IR of control unit output

operating mode switch S3 is in either the normal SECURE

terminal board S. Instantaneous alarms are output in all

position or at ACCESS and switch S5 is in the LATCH

operating modes; secure, test/reset, access, latch, and non-

position. In the secure mode, 20 volts dc is applied to the coil

latch.

of relay A10K2 in the following manner: From S3 pin 2-3

through diode CR2, S5-4, S5-5, and to J10-L. If the operating

mode switch is at ACCESS, regulated 20 volts dc is applied to

(2) Sonalert. Plus 20 volts dc is applied to sonalert

the coil of relay A10K2 from connector pin J1225, through

buzzer DS2 when operating mode switch S3 is in the

diode CR1, switch S5 pins 4 to 5, and to connector pin J10O-

TEST/RESET position. The buzzer dc return is connected

L. From connector pin J1-8 duress signals are applied to a

through J8-13 to a transistor switch on audible alarm module

silicon controlled rectifier switch through connector pin J10-6

A8. When the 10-second instantaneous alarm circuit is

for control of relay A1OK1. A no-alarm input signal (0 volts)

activated by a duress alarm signal as described in the

at connector pin J10-6 has no effect on the SCR switch

previous paragraph, 5 volts dc is fed through connector pin

circuit, therefore relay AIOK1 remains in the restored position.

J9-R to J8-14 and applied to the transistor switch. The 5 volts

In this condition a low impedance of 0 to 2000 ohms exists

dc causes the transistor to conduct thereby switching the

between output connector pins J10-9 and -8. This no-alarm

return side of buzzer DS2 to the ground buss. The buzzer will

signal is fed to latched alarm output terminals S1-D and -DR.

sound for 10 2 seconds, until the duress alarm input signal

From J10-9 the signal is routed through the normally closed

is removed, or until operating mode switch S3 is moved from

contacts of relays A9K1, A10K4, A9K2, and A9K3 before

the TEST,/RESET position.

being

c. Latched Alarm Output. Latched or non-latched duress

alarm output signals, depending upon the position of switches

S3 and S5, are fed to control unit output terminal board S.

Each of these functions are explained in the following

paragraphs.

6-2.1

Change 1