Orbit Merret

OMX 380DU

OMX 380DU

Model OMX 39DU is an extremely fast signal conditioner with potentiometric input and isolated 0...10VDC / 4...20mADC output with a user friendly Teach-In feature.

Technical data

Measured unit Linear potentiometer
Measuring range 500…100 000 Ω
Number of inputs 1
Temperature coeficient 10 ppm/°C
Accuracy 0,1% of range
Excitation 2,5 VDC / max. 5 mA
Measuring rate 500 / 1 000 / 2 500 / 5 000 / 7 500 measurements/s
Overload capacity 10x (t < 30 ms), 2x
Calibration at 25°C and 40% relative humidity
Other functions Teach-in > easy setting of the output range
OM Link Company iterface for controllig, setting and update FW of instrument
Watch-dog Reset after 400 ms
DATA OUTPUT RS 485
MODBUS RTU
Protocol ASCII / MODBUS RTU
Data format 8 bit, no parity, 1 stop bit
Rate 600 / 1 200 / 2 400 / 4 800 / 9 600 / 19 200 / 38 400 / 57 600 / 115 200 / 230 400 Baud
ANALOGUE OUTPUT Programmable with maximum resolution of 16 bit. Type and range of the output are selectable
Temperature coeficient 10 ppm/°C
Rate (maximum response delay) <0,2 ms
Range 0…10 V / 4…20 mA
Compensation of conduct max to 500 Ohm,
POWER SUPPLY 18...30 VDC isolated
10...30 VDC isolated
Maximum consumption 2 W
Material PA 66, incombustible UL 94 V0, green colour
Dimensions 90,5 x 79 x 25 mm
DIN rail mountable, rail width 35 mm
Connection connector terminals, lead < 2,5 mm2
Settling time 15 minutes after switch on
Working temperature -20…60°C
Storage temperature -20…85°C
Cover IP20
El. safety ČSN EN 61326-1
Dielectric strength 1,5 kVAC for 1 min. between power supply and imput & output
Insulation resistance for pollution degree II, measuring category III.
power supply > 550 V (SI), 255 V (DI)
SI - single isolation, DI - Double isolation
EMC ČSN EN 61326-1

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