Oldham iTrans 2, Installation And Operation Manual

Page: 37 / 106

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Chapter 5 | Operation
Initial Start-up
Once power is applied (12-28 VDC), the is operational. The LED
display powers up, and the system enters a start-up period. During this
start-up period, the
identifies the sensors that are connected and
then enters a three minute warm-up period.
Warm-up Period
During this warm-up period, the 4 20
mA outputs are limited to 3 mA (16
mA for oxygen). After the three
minute warm-up, the unit will enter
the Normal Operating Mode. If
during the warm-up period, the unit
fails a self test, the display will show
a fault code, and the fault relay will
be activated. Fault codes are located
in Chapter 8 |.
Figure 5-1 Sample Fault Code Display
Normal Operating Mode
In Normal Operating Mode, the
gas monitor will display the
instantaneous readings for each
sensor wired into the unit. The top
of the
display shows the gas
reading for Sensor 1. Sensor 1
should have the internal dip
switches set to 00 hex or 0F hex.
The bottom row of the
display shows the gas reading for
Sensor 2. Sensor 2 should have the
internal dip switches set to F0 hex.
Figure 5-2 Sample Dual-Sensor Display