Analog expansion modules permit the connection of sensors/actuators to the ET 200pro via integrated inputs and outputs.

The following input modules are available:

• 4 AI U, ±10 V; ±5 V; 0 to 10 V; 1 to 5 V
• 4 AI I, ±20 mA; 0 to 20 mA; 4 to 20 mA
• 4 AI RTD, resistance measurement: 150, 300, 600 and 3000 Ohm; resistance thermometer: Pt100, 200, 500 and 1000; Ni100, 120, 200, 500 and 1000
• 4 AI-TC, thermocouples: Type B, E, J, K, L, N, R, S, T; voltage measurement: ±80 mV

The following output modules are available:

• 4 AO U, ±10 V; 0 to 10 V; 1 to 5 V
• 4 AO I, ±20 mA; 0 to 20 mA; 4 to 20 mA

I/O connecting module (must be ordered separately):

• CM IO 4 x M12