Burkert 8756, Operating Instructions Manual

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Type 8756
Technical data
english 30
4.6.2 Mass Flow Controller with pump
ATTENTION!
▶ For UL-certified components, only use limited power circuits
of "NEC Class 2".
Operating voltage 24 V DC ±10 %
residual ripple < 2 %
Power consumption
▪
Maximum power con-
sumption
▪
52 W
▪ Typical power con-
sumption ▪ 16 W for water and at a flow rate of
8 kg/h
Communication interface büS and CANopen. The communica-
tion type can be chosen with the
Bürkert Communicator software.
Tab. 35: General electrical data, product variant büS/CANopen
Operating voltage 24 V DC ±10 %
residual ripple < 2 %
Power consumption
▪ Maximum power con-
sumption ▪ 52 W
▪ Typical power con-
sumption ▪ 16 W for water and at a flow rate of
8 kg/h
Tab. 36: General electrical data, product variant Analogue
Relay type Change-over relay with 1 normally
closed contact (break contact) and 1
normally open contact (make contact).
Both contacts are free of potential
Maximum ratings 1 A, 30 V, 30 VA
Tab. 37: Relay output, product variant Analogue
0/4...20 mA ▪ Maximum loop impedance: 600 Ω
▪ Resolution: 20 μA
0...5/10 V
▪
Maximum current: 20 mA
▪ Resolution: 10 mV
Tab. 38: Analogue output for the measured value, product variant
Analogue
0/4...20 mA ▪ Maximum input impedance: 200 Ω
▪
Resolution: 5 µA
0/5...10 V ▪ Minimum input impedance: 20 kΩ
▪ Resolution: 2.5 mV
Tab. 39: Analogue input for the set-point value, product variant
Analogue
0...0.2 V to activate level 1
1...4 V or open to activate level 2