Analog input modules
- 4-channel analog input module AI 2 WIRE HART EEx i for current measurement in the range 4 to 20 mA, suitable for connection of two-wire transmitters (with/without HART functionality)
- Resolution 12 bit + sign
- Max. load of transmitter 750
- Short-circuit and wire break monitoring
- 4-channel analog input module AI 4 WIRE HART EEx i for current measurement in the range 0/4 to 20 mA, suitable for connection of 4-wire transmitters (with/without HART functionality)
- Resolution 12 bit + sign
- Max. load of transmitter 750
- Wire break monitoring
- 4-channel analog input module AI RTD EEx i for resistance measurement and for temperature measurement per Pt100/Ni100 resistance thermometer
- Resolution 15 bit + sign
- 2-wire, 3-wire or 4-wire connection possible
- Resistance measurements 600 absolute and 1 000 absolute
- Wire break monitoring
- 4-channel analog input module AI TC EEx i for thermoelectric EMF measurements and for temperature measurement per thermocouple, type B, E, N, J, K, L, S, R, T, U
- Resolution 15 bit + sign
- Internal temperature compensation possible using TC sensor module (included in scope of delivery of module)
- External temperature compensation by means of a temperature value acquired at an analog module of the same ET 200iSP station
- Wire break monitoring
Analog output modules
- 4-channel analog output module AO I HART EEx i for output of current signals in the range 0/4 to 20 mA to field devices (with/without HART functionality)
- Resolution 14 bit
- Parameterizable substitute value in case of CPU failure
- Short-circuit and wire break monitoring
Extra functions
Temperature compensation
A TC sensor module for internal temperature compensation is provided with the 4 AI TC module, and is fitted on the corresponding terminals of the associated terminal module.
External temperature compensation is possible via a Pt100 on a 4 AI RTD module.