iTRANS 2
FIXED POINT SINGLE OR DUAL GAS MONITOR
WITH DUAL ANALOG OUTPUTS
USER MANUAL
Revision 7.0
1FFF Failed Sensor 1 mA Smart sensor communication error
2FFF Missing Sensor 1 mA Sensor board communication error
ConF
Sensor
Configuration
1mA
Sensor internal parameters error – Recover
after factory configuration of sensor
CFFF Calibration Failed 1 mA
Calibration error – Recover after calibrating
or replacing the sensor
0FFF Zeroing Failed 1 mA
Zeroing error – Recover after zeroing or
calibrating
Table A - 2 Fault Code Description
Open Loop Condition
When any of the 4-20mA channels is not being used it should
be terminated by inserting the specifically provided (250
ohms for HART CH-1 and 100 ohms for isolated CH-2)
resistor between the respective channel output terminal and
ground terminal.In case an unused channel is not terminated
with the provided resistor, a ‘P’ will appear at the status bit
indicating the open loop condition. Also in case the channel
output is being used but one of the connecting wires is
damaged or disconnected, same condition will be displayed
to let the user know about the disconnection in the wiring.
HART communication cannot be established with a physical
disconnection under this condition.
Figure A - 13 Sensor 1 Open Loop
Condition Display
A.6 HART Interface
Electronic Device Descriptor (EDD)
An Electronic Device Descriptor (EDD) is available for which is easiest and the quickest
way to access all the process variables of .The EDD can be either loaded on a PC host
simulator or on a handheld unit.
Figure A - 14 shows the EDD loaded using a PC host simulator.
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