iTRANS 2
FIXED POINT SINGLE OR DUAL GAS MONITOR
WITH DUAL ANALOG OUTPUTS
USER MANUAL
Revision 7.0
Input Voltage 12-28 VDC operating range (24 VDC typical)
(Max)
Toxic
Gas/Oxygen
150 mA@24 VDC (single gas)
200 mA@24 VDC (single gas + HART)
Combustible
Gases (Catalytic)
250 mA@24 VDC, 0.8 A peak (single gas)
300 mA@24 VDC, 0.8 A peak (single gas + HART)
Combustible
Gases (Infrared)
170 mA@24 VDC, 0.5 A peak (single gas)
220 mA@24 VDC, 0.5 A peak (single gas + HART)
Combined
Catalytic/Infrared
350 mA@24 VDC, 1.2 A peak (two gas)
400 mA@24 VDC, 1.2 A peak (two gas + HART)
Display
Dual-channel split-screen LED display (4-digit, 7-segment arrangement per
channel) provides simultaneous display of one or two gases.
Signal Outputs
Digital
ModBus RTU: RS485 digital communication with
ModBus RTU software protocol system at 9600
baud. Three- or four-wire system accommodates
over 200 devices in bus configuration. Address
selection through on-board 8-position DIP switch.
NOTE: ModBus is not to be used for CSA C22.2
No. 152 compliance.
Analog 4-20 mA (linear analog)
Alarm Relays
Quantity
3 alarm relays: Two user-programmable relays,
SPST, N.O.; plus one fault relay, SPST, N.C.
Contact Capacity
5A @ 30 VDC
5A @ 30 VAC
Temperature
Range
-40 ºC ~ +75 ºC (-40 ºF ~ +167 ºF)
10% - 90% RH (non-condensing), typical
Pressure Atmospheric pressure ±10%
Weight 2.9 Kg (6.4 lbs.)
Table 1-1 Specifications for the Monitor
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