ADT139X-M2-AO-DC – Combi Deviation Trip/Differential Transmitter

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About Amelec

The ADT139X-M2-AO-DC is our Combi Deviation Trip/Differential Transmitter suitable for SIL 1 and SIL 2 rated (EN 61508-2) safety instrumented system (SIS) loop applications, as 1oo1 architecture (HFT:0)

  • Inputs (2x 4-20mA); The active input ports each include the two-wire loop excitation voltage (24Vdc @ 22mA) to power the field transmitters.
  • Each Trip Relay output is a set of SPCO contacts, rated at 250Vac, 2A, 100V resistive. Trip 1= A>B High, Trip 2= A>B Low, with deviation set points adjustable via 15-turn blindset potentiometers.
  • Isolation 1000V RMS. Input/Output/Contacts/Contacts/Supply

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