Detcon 1212B User Manual
Page 5

1.5 S
TART
U
P
Upon completion of all field wiring apply 24VDC power. Note that each Model 12B controller’s digital display illu-
minates. Varying readings may occur during sensor warm-up. A 10 second alarm delay will occur on power up.
Refer to sections 2.0 and 3.0 for additional start-up detail.
1.6 S
PARE
P
ARTS
L
IST
0224
Gold plated jumper tab
1.7 W
ARRANTY
Detcon Inc., as manufacturer, warrants under intended normal use each new Model 1212B rack mount control
enclosure to be free from defects in material and workmanship for a period of one year. The warranty period begins
from the date of shipment to the original purchaser and ends one year thereafter. All warranties and service policies
are FOB the Detcon Inc. facility located in The Woodlands, Texas.
Model 1212B Rack Mount Control Enclosure PG.5
Zone Programming Jumpers
VDC IN
mA
Sensor
NO/NC
Com
Alm 3
NO/NC
Com
Alm 2
NO/NC
Com
Alm 1
NO/NC
Com
Fault
4-20mA
Out
CH12
CH11
A (+)
B (–)
Shld
RS-485
Alarm
Reset
CH1
Figure 2
Shipping Address: 3200 A-1 Research Forest Dr., The Woodlands, Texas 7381
Mailing Address: P.O. Box 8067, The Woodlands, Texas 77387-8067
phone 888-367-4286, 281-367-4100 • fax 281-292-2860 • www.detcon.com • [email protected]