Printed in USA
LT-1PCB 11/10
2306 Airport Road
Waterford, Michigan 48327-1209
Phone: 248-673-9898 • Toll Free: 800-888-4784 • Fax: 248-673-1246
www.
sti-usa
.com
RELAY MODE:
N.O. - Relay switches with power to circuit - Fail Safe
N.C. - Relay is in same state as with no power to circuit - Fail Secure
TO CHANGE TIMER SETTINGS:
Cut jumpers with “X”, do not cut jumpers with “
“.
Default timer setting is 15 seconds.
If the trigger is activated during a timing cycle, the timer is restarted.
NOTE:
To ensure jumpers do not reattach or short to other components, cut
jumper off completely flush to PCB.
Safety Technology
International, Inc.
+
-
x
x
x
x
TIMER START
SWITCH
TIMER OVERRIDE
RESET (OPTIONAL)
*POWER IN
12-24 VAC/VDC,15mA
TO MAGNETIC LOCK
(FAIL SAFE MODE)
JUMPERS
15 SEC
RELAY MODE JUMPER
30 SEC
45 SEC LATCH
IF TRACES ARE INADVERTENTLY CUT,
SOLDER JUMPER WIRES USING
APPROPRIATE HOLES.
RELAY MODE
N.O.
N.C.
NO CUT
CUT
15s
30s
45s
Ltch
Relay
NO
Relay
COM
Relay
NC
Trig
Input
Com
Reset
Power
Input
+
-
12 to 24 Volts
AC or DC
MODEL LT-1
RELAY MODE
N.O.
N.C.
NO CUT
CUT
15s
30s
45s
Ltch