Product DescriptionTechnical Specifications
| Category | Specification |
|---|---|
| Operating Temperature | -30°C to +65°C (-22°F to +149°F), typical specs at +25°C ±3°C (+77°F ±5.4°F) |
| Communication | Ethernet: 6 ports, 10/100 MbpsProtocol: TCP/IPAddressing: DHCP and Static IPLAN/WAN compatibleConfiguration: Password protectedTime Sync: NTP |
| Power Requirements | Input Voltage: 18–36 VDCPower Consumption: Typical 24 W, Maximum 35 WHazardous area supply must comply with local standards |
| Discrete Inputs | Two-terminal dry contacts, polarity independentClosed Impedance: ≤57 KΩOpen Impedance: ≥187 KΩLow Voltage Input: ≤1.2 VDCHigh Voltage Input: ≥2.9 VDCInternal Wetting Voltage: 10–15 VDCInput Resistance: 150 KΩ typicalFault Tolerance: ±40 V |
| Analog Inputs | Range: 4–20 mA ±1%Polarity: Pos ‘B’ / Neg ‘A’Frequency: 0–159 HzCommon Mode: ±32 VDifferential: 0–25 mAFault Tolerance: ±40 V |
| Proximity Speed Inputs | Auto Threshold & HysteresisVoltage Range: 0 to -24 VDCTransducer Power Supply: Typical -24 VDCMax Current: 30 mA (with fold-back protection)Operating Frequency: 3 Hz – 10 kHzMin Pulse Amplitude: 1.0 VppMax Pulse Amplitude: 24 VppSpeed Error: ±0.1 RPM (<100 RPM), ±1 RPM (<10k RPM), ±0.01% FSR (>10k RPM) |
| Magnetic Pickup Speed Inputs | Auto Threshold & HysteresisMin Pulse Amplitude: 1.0 VppMax Amplitude: 80 VrmsOperating Frequency: 2 Hz – 20 kHzSpeed Error: ±0.1 RPM (<100 RPM), ±1 RPM (<10k RPM), ±0.01% FSR (>10k RPM)OK Check: 0–30kΩ OK, >30kΩ Not OK |
| System Control Contacts | Lock Config/Test ModesReset AlarmsReset Password and IP Address |
| Relay Outputs (CH 1/2) | Voting Logic: 1oo1 or TMR 2oo3Type: SPDT (Single Pole-Double Throw)Rating: 5A/250 VAC, 1500 VA max; 5A/250 VDC, 150 VA maxAvailable Contacts: Normally Open or Normally ClosedModule: 323073-01 ADAPT ESD 4 Ch. Relay Output |
FAQ
Q: Is the device genuine and in stock?
A: Yes, the BentlyNevada 3701/55 is 100% original and available for immediate shipment.
Q: How long does delivery take?
A: Standard delivery is 3–14 days, depending on order size and logistics.
Q: Can the relays be configured for fail-safe operation?
A: Yes, relays support “normally energized” mode to ensure safe shutdown during power loss.
Q: Which software is required for configuration?
A: Bently Nevada Monitor Configuration software runs on Windows 7 or higher, 32-bit or 64-bit.
Q: Are there hazardous area certifications?
A: Yes, CSA-certified for North America; ATEX/IECEx pending for Europe.