Oldham iTrans, User Manual

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ModBus Interface iTrans Fixed Point Single/Dual Gas Monitor
6-4 iTrans User Manual (P/N: 77023554-1)
Addr
Inst
R/W
Host
R/W
Range Description
40105 W R/W $0000 to $FFFF
Instrument Mode
Holds code for current mode of instrument.
Possible working modes of instrument are listed
below.
$0001 Normal
$0002 Calibration
$0003 Warm-up
$0006 Zeroing
$0008 Fault
$0009 Reset
Examples:
Sensor in zero fault = $0008
Sensor zeroing = $0006
40106 W R $0000 to $FFFF
Status Bits
Holds 16 bits of status for various parameters in
the instrument. A bit value of “1” indicates that
the associated fault condition is present.
Bit 15 = current loop open
Bit 14 = current loop shorted
Bit 13 = power fault
Bit 12 = 5 volt fault
Bit 11 = missing sensor
Bit 10 = (not defined)
:
Bit 6 = (not defined)
Bit 5 = zero fault
Bit 4 = calibration fault
Bit 3 = over-range
Bit 2 = failed sensor
Bit 1 = high alarm
Bit 0 = low alarm
Examples:
Missing sensor = Bit 11 is set = $0800
Power fault and
failed sensor
= Bits 13 and 2 set = $2004
40115
W R
Last Alarm Date (mmdd)
Holds the month and day when the instrument
had the last alarm.