Our ADT181DI is a Din Rail Mounted Frequency Input Single Output Trip Amplifier with a Display that is suitable for SIL1 and SIL2 rated safety loop applications (EN 61508-2) as 1oo1 architecture (HFT:0)
Input; Any regular pulse or repetitive waveform (including Namur, Sine, Square or Sawtooth). Minimum 25Hz calibrated span (maximum 40KHz input)
Output; Trip has a set of DPCO contacts, rated at 250VAC, 2A, 100VA (resistive). Red LED indication of relay status; ON Energised/Extinguished in Trip De-energised state as standard.
Display; Input frequency on a 3.5 digit Liquid Crystal Display (LCD) as standard, with front fascia read button to show the trip set point within the calibrated scale.
Storage Temperature: -40°C to +70°C
Operating Ambient: -15°C to +55°C
Relative Humidity: 5% to 95% RH (Non-condensing)
EMC: 2014/30/EU, EN 61326-1:2013 (Controlled EM)
RFI protection to EN 61000-4-3:2006/A2:2010 available (‘K’ Option)
Deadband: 1% standard (Variable 1-20% span ‘V’ option available)
Trip settability: ±0.1%
Trip repeatability: ±0.1%
Response time: <200mS (10-90% span step change)
Enclosure: 50w x 75h x 145d mm (‘K’ option = 182d mm)
Mounting: Din Rail (TS35)
Surface/Seismic Keyhole mounting plate (50w x 130h mm) and Front of Panel mounting options also available.