Endress+Hauser RIA452 - Technical Data Specifications

RIA452 Technical data
Endress+Hauser 45
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
10.1.4 Performance characteristics
Reference operating conditions
Power supply: 230 V AC ±10%, 50 Hz ±0.5 Hz
Warm-up period: 90 min
Ambient temperature: 25 °C (77 °F)