ADM226 – RTD Trip Transmitter

Our ADM226 is a Din Rail Mounted RTD Trip Transmitter which is suitable for SIL 1 & SIL 2 rated (EN 61508-2) safety instrumented system (SIS) loop applications, as 1oo1 architecture (HFT:0).

• Input is any 2 or 3 Wire PT100 RTD sensor. Third wire compensation as standard to overcome any lead resistance variation (Min range 0-25°C). (PT130, PT500 or PT1000 input range options also available)

• Analogue output is any standard process current or voltage signal. Current source up to 20mA with drive voltage 11Vdc, Current sink up to 20mA, <30Vdc external voltage source up to 10Vdc, max current 20mA.

• Relay output; 3-Wire input unit has 1x SPCO and 1x C.O (N.C or N.O) Trip output relay contacts, rated at 250VAC, 2A, 100VA (resistive) as standard.