IEX-2 temperature measurement module with 12 Pt100 inputs



Technical specifications
Number of i/o points12 analog inputs
Input typesoftware selectable (common for all inputs):
- Pt100/1000 (DIN751), measuring range -100..300°C
- Ni100/1000 (DIN43760), measuring range -50..160°C
- Ni100/1000 (Landis & Gyr), measuring range -50..160°C
- potentiometer 0..2000 ohm
Connecton type2-wire or 3-wire
Wire resistance20 ohm max. (3-wire mode)
A/D converterV/f conversion with auto calibration
Accuracy0.1% of measuring range
Resolution14 bits (input modes with 0.1% accuracy)
12 bits (input modes with 0.5%/1% accuracy)
Sensor current0.2mA (each sensor)
Temperature drift+/-0.01%/°C of measuring range
Scan time30ms..1120ms, depends on input mode
Integration time20ms or 60ms, depends on input mode
Calibration reference150.00 ohm, 1500.0 ohm
Accuracy, scan timesoftware selectable, depends on input mode
Power supply24V (19..28V), 50mA
Galvanic isolation1kV between digital and analog circuit
no isolation between channels
IEX-2 baud rate20, 50, 100, 250, 500kbps, auto selectable
Operating conditions0..50°C, 0..85% rh non-condensing
MountingDIN rail (35mm)
Weight gross160g
Enclosure protectionIP20
Level of ambient pollution2
StandardsEN 61131-1, EN 61131-2, EN 50090-2-2



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