Operating Manual
Universal Flow Computer UR06
Bopp & Reuther
A-EN-08728-URRev.B
Subject to changes
Page 9 of 55
Messtechnik GmbH
Switchable hardware filter: Without, 50 Hz (for suppressing contact
bounces)
Active signals:
Passive signals: O.C, relay, Namur (U
0
approx. 8.5 V; I
S
approx. 1.4/1.8
mA)
5 Output
5.1 Output signal
Current, pulse, switching output/status, measuring transducer supply
Output variable
Output parameter
Current
Range: 0...22 mA, active
Max. load: 500 Ω (U0 approx. 12V)
Galvanic isolation among each other and to the basic device
Error signals: 3.5 mA and 22 mA according to NAMUR NE43
Accuracy: 0.02% of MV ± 0.002 mA
Temperature influence: 0.005% / K
Resolution: 16 Bit
Pulse / Status
Type: Open collector, passive, galvanic isolated
Frequency range: 0 ... 100 Hz
Min. pulse width: 5 ms 500 ms
Overload protection: ± 24 V
Internal resistance 70 Ω
Residual voltage < 1.2 V
I
max
: 20 mA
U
max
: 24 V
5.2 Measuring transducer supply and auxiliary power
Output variable
Output parameter
Measuring transducer
supply (MUS)
Voltage: 24 V DC
Current: Max. 30 mA, short circuit proof
Auxiliary power
Voltage: 24 V DC
Current: Max. 250 mA, short circuit proof
6 Characteristic Values
6.1 Reference conditions
Voltage supply:
230 VAC ±10%, 50 Hz ±0.5 Hz
Warm-up time:
10 min
Ambient temperature: 25°C ±5°C
Humidity:
39% ±10% r. h.
6.2 Measuring uncertainty
see 4.1
