Operating instructions

Technical data

10 Technical data

10.1 Input

10.1.1 Measured variable

Current (standard)

Digital inputs (standard)

Current/voltage, resistance, resistance thermometer, thermocouples (universal input option)

10.1.2 Measuring ranges

Current input:

• 0/4 to 20 mA +10% overrange, 0 to 5 mA

• Short-circuit current: max. 150 mA

• Input impedance: ≤ 5 Ω

• Reaction time: ≤ 100 ms

Universal input:

Current:

• 0/4 to 20 mA +10% overrange, 0 to 5 mA

• Short-circuit current: max. 100 mA

• Input impedance: ≤ 50 Ω

Voltage:

• ±150 mV, ±1 V, ±10 V, ±30 V, 0 to 100 mV, 0 to 200 mV, 0 to 1 V, 0 to 10 V

• Input impedance: ≥ 100 kΩ

Resistance:

• 30 to 3,000 Ω in 3/4 wire technology

Resistance thermometer:

• Pt100/500/1000, Cu50/100, Pt50 in 3/4-wire technology

• Measuring current for Pt100/500/1000 = 250 μA

Thermocouple types:

• J, K, T, N, B, S, R as per IEC584

• D, C as per ASTME998

• U, L as per DIN43710/GOST

• Reaction time: ≤ 100 ms

Digital input:

• Voltage level -3 to 5 V low, 12 to 30 V high (as per DIN19240)

• Input voltage max. 34.5 V

• Input current typ. 3 mA with overload and reverse polarity protection

• Sampling frequency max. 10 Hz

10.1.3 Galvanic isolation

Towards all other circuits