Instructions

35
4 Supplement
Input for standard signals
Binary input
Measuring circuit monitoring
In the event of a fault, the outputs adopt a defined (configurable) status.
Outputs
Measuring range Measuring
accuracy
a
a
The accuracy values refer to the maximum measuring range.
Ambient
temperature influence
Voltage 0 to 10 V
Input resistance > 650 kΩ
≤ 0.4 % ≤ 150 ppm/K
Current 0(4) to 20 mA
voltage drop > 2.2 V
≤ 0.4 % ≤ 100 ppm/K
Input for potential-free contact open = inactive;
closed = active
Measuring probe Overrange /
underrange
Probe /
cable short circuit
Probe /
cable break
Thermocouple • - •
RTD
temperature probe
•••
Voltage 0 to 10 V - - -
Current 4 to 20 mA • • •
Current 0 to 20 mA - - -
• = detected - = not detected
Relay (N/O)
Contact rating
Contact life
max. 3 A at 230 V AC resistive load
150,000 operations at nominal load
350,000 operations at 1 A
310,000 operations at 1 A and cos ϕ > 0.7
Logic output 0/14V / 20 mA max.
Voltage (option)
Output signal
Load resistance
Accuracy
0 to 10 V
> 600 Ω
< 0.5 %
Current (option)
Output signals
Load resistance
Accuracy
0 to 20 mA / 4 to 20 mA
< 450 Ω
< 0.5 %