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7.4.4 Specifications
Features
• Configuration and monitoring are performed via FDT/DTM Software ‘WI-Manager’ (process calibration,
signal simulation).
• Inputs for RTD, TC, Ohm, potentiometer, mA and V.
• Power supply and signal isolator for 2-wire transmitters.
• The input of the ACT20X-HUI-SAO can receive active and passive current signals.
• Advanced relay configuration, e.g. setpoint, window, delay, sensor error indication and power monitoring.
• Reduced U
0
Ex data < 8.3 V for active input
signals (see Ex data in appendix).
• TC inputs can use either the internal CJC or a terminal with a built-in Pt100 Sensor ACT20X-CJC-HTI
(order No. 116064, channel 1 / order No. 116065, channel 2) for higher accuracy.
• The device automatically detects whether it is connected to an active or a passive current signal.
• One green and one red front LEDs indicate operation status and malfunction. One yellow LED indicates
the relay status.
• 2.6 kVAC galvanic isolation between input, output and supply
• The device can be mounted in the safe area and in zone 2 / div. 2 and receive signals from zones 0, 1, 2,
20, 21 and 22 / Class I/II/III, Div. 1, Gr. A-G.
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