Grundfos CMBE TWIN, Инструкция по установке и эксплуатации

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Conductor types
Stranded or solid copper conductors.
Conductor temperature ratings
Temperature rating for conductor insulation: 60 °C (140 °F).
Temperature rating for outer cable sheath: 75 °C (167 °F).
12.4 Inputs and outputs
Earth reference
All voltages refer to earth. All currents return to earth.
Absolute maximum voltage and current limits
Exceeding the following electrical limits may result in severely reduced operating reliability and motor life.
Relay 1:
•
Maximum contact load: 250 VAC, 2 A or 30 VDC, 2 A.
Relay 2:
•
Maximum contact load: 30 VDC, 2 A.
GENI terminals: -5.5 to +9.0 VDC or less than 25 mADC.
Other input and output terminals: -0.5 to +26 VDC or less than 15 mADC.
Digital inputs
Internal pull-up current greater than 10 mA at Vi equal to 0 VDC.
Internal pull-up to 5 VDC. Currentless for Vi greater than 5 VDC.
Certain low logic level: Vi less than 1.5 VDC.
Certain high logic level: Vi greater than 3.0 VDC.
Hysteresis: No.
Screened cable: 0.5 - 1.5 mm
2
/ 28-16 AWG.
Maximum cable length: 500 m.
Open-collector digital outputs (OC)
Current sinking capability: 75 mADC, no current sourcing.
Load types: Resistive and/or inductive.
Low-state output voltage at 75 mADC: Maximum 1.2 VDC.
Low-state output voltage at 10 mADC: Maximum 0.6 VDC.
Overcurrent protection: Yes.
Screened cable: 0.5 - 1.5 mm
2
/ 28-16 AWG.
Maximum cable length: 500 m.
Analog inputs (AI)
Voltage signal ranges:
•
0.5 - 3.5 VDC, AL AU.
• 0-5 VDC, AU.
• 0-10 VDC, AU.
Voltage signal:
•
Ri greater than 100 kΩ at 25 °C.
Leak currents may occur at high operating temperatures. Keep the source impedance low.
Current signal ranges:
•
0-20 mADC, AU.
• 4-20 mADC, AL AU.
Current signal: Ri is equal to 292 Ω.
Current overload protection: Yes. Change to voltage signal.
Measurement tolerance: 0-3 % of full scale, maximum-point coverage.
Screened cable: 0.5 - 1.5 mm
2
/ 28-16 AWG.
Maximum cable length: 500 m, excluding potentiometer.
Potentiometer connected to +5 V, GND, any AI: Use maximum 10 kΩ.
Maximum cable length: 100 m.
Analog output (AO)
Current sourcing capability only.
Voltage signal:
•
Range: 0-10 VDC.
• Minimum load between AO and GND: 1 kΩ.
• Short-circuit protection: Yes.
Current signal:
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