Instruction Manual
Model 12B
12B Control Module Instruction Manual iii
Table of Contents
1.0 Description..........................................................................................................................................1
2.0 Specification........................................................................................................................................2
3.0 Controller models ...............................................................................................................................2
4.0 Alarm functions and settings..............................................................................................................3
4.1 Alarm set points ..............................................................................................................................3
4.2 Latching or non-Latching Relays .....................................................................................................4
4.3 Relay Contact Output Select............................................................................................................4
4.4 Energized or De-energized...............................................................................................................5
4.5 Ascending or Descending Alarms....................................................................................................5
4.6 Alarm Reset.....................................................................................................................................5
4.7 Alarm Disable .................................................................................................................................5
5.0 POWER INPUT OPTIONS ...............................................................................................................6
6.0 ANALOG 4-20 MA SIGNAL INPUT/OUTPUT ...............................................................................6
7.0 RS-485 MODBUS™ FEATURES AND SPECIFICATIONS ...........................................................6
8.0 FAULT CIRCUIT FUNCTIONS.......................................................................................................7
8.1 Detector Load Bypass Jumper..........................................................................................................7
9.0 TEST FUNCTIONS............................................................................................................................8
9.1 Alarm Set Point Test........................................................................................................................8
9.2 Display/Alarm Test .........................................................................................................................9
9.3 RS-485 Address Setting Test ...........................................................................................................9
10.0 OTHER FEATURES..........................................................................................................................9
10.1 Flashing Over-range........................................................................................................................9
10.2 Range Configuration Jumpers........................................................................................................ 10
10.3 PolySwitch Over-current Protection............................................................................................... 10
10.4 Default Settings of Jumpers Tabs................................................................................................... 11
11.0 WARRANTY AND SERVICE POLICY.........................................................................................11
Revision History ....................................................................................................................................... 12
Table of Figures
Figure 1 Alarm Set switches and Alarm Relay Jumpers
............................................................................................................................................................Er
ror! Bookmark not defined.
List of Tables
Table 1 Switch positions for setting alarm points..........................................................................................3
Table 2 Range configuration jumper locations and settings...........................................................................10