Magnetic Switch Operation - Sensor Electronics SEC 3100 Instruction And Operation Manual

Once the fault is cleared the SEC 3100 will atomatically resume normal operation.
Flash Output Current
Rate
1 4-20ma
2 2.2ma
3 2.0ma
5 0.8ma
6 0.0ma
7 1.6ma
8 NA
9 0.0ma
10 1.0ma
11 1.2ma
12 0.0ma
16 0.2ma
17 0.4ma
IV. MAGNETIC SWITCH OPERATION
The SEC 3100 has three (3) magnetic switch pickups on the Display PCB. The picture below shows the
location of the magnetic switches labeled UP, DOWN and ENTER. Placing a magnet in close proximity to
one of the switches will cause the following operations to occur.
Unit Status
Label
Unit Running Unit is measuring gas and adjusting 4-20ma output accordingly.
Unit Zero Calibrating Unit going through its zero calibration procedure.
Unit Spanning Unit going through its spanning procedure.
Unit Warm-up Only for one minute after unit power-up
Power-up Fault Hard Fault (refer to gas sensor manual)
Calibration Fault
NA Currently Not Used
Unit Fault Hard Fault (refer to gas sensor manual)
Clean sensor's windows
Optics Fault
Zero Drift Fault Hard Fault (refer to gas sensor manual)
Configuration Fault Hard Fault (refer to gas sensor manual)
Reference Channel Fault Hard Fault (refer to gas sensor manual)
Active Channel Fault Hard Fault or Unit Zero with gas
Possible Problem
1. Attempt Unit Span with no gas
2. Attempt Unit Zero with gas
Part Number: 1460105
REV: A