Model Interpretation

• 1900/65A: Base model (general‑purpose equipment monitor)

• 1st XX (Power):

  • 00: 24 VDC

  • 01: 115/230 VAC

• 2nd XX (Communications):

  • 00: No comms

  • 01: Modbus (RS‑485)

  • 02: Modbus/TCP (Ethernet)

• 3rd XX (Relays):

  • 00: 6 relays (standard)

  • 03: 6 relays + intrinsically safe (IS) barriers

• 4th XX (Approvals):

  • 00: None

  • 01: CSA/NRTL/C

  • 02: ATEX/IECEx (Zone 2)

• 5th XX (Display):

  • 00: Standard LCD

• Common part numbers: 167699‑02, 1900/65A‑01‑02‑00‑01‑00.

Technical Parameters

Mechanical

• Form Factor: Standalone, wall‑mountable

• Dimensions (H×W×D): 196 mm × 160 mm × 108 mm

• Weight: ~1.36 kg

• Enclosure: Industrial plastic, IP20 (front)

Inputs

• Dynamic Inputs (4 Ch):

  • Proximity (eddy‑current): 3300XL series, −24 VDC bias

  • Velomitor (velocity): 100 mV/in/s

  • Accelerometer (acceleration): 2‑wire/3‑wire, 100 mV/g

  • Keyphasor (speed): TTL/HTL, 1–10,000 RPM

  • Frequency Response: 0.5 Hz–25 kHz; 4‑pole HP/LP filters

• Temperature Inputs (4 Ch):

  • Thermocouple: E, J, K, T

  • RTD: 2‑wire/3‑wire Pt100

• Resolution: 24‑bit ADC; Accuracy: ±1% FS

Measurement Ranges

• Vibration (Displacement): 0–500 μm (0–20 mils)

• Vibration (Velocity): 0–50 mm/s (0–2 in/s)

• Vibration (Acceleration): 0–50 g (peak)

• Speed: 1–10,000 RPM

• Temperature: −200°C to +850°C (sensor‑dependent)

Outputs

• Relays: 6 × DPDT, 5 A @ 250 VAC / 30 VDC (resistive); programmable Alert/Danger/OK logic

• 4–20 mA Analog: 4 channels (scaled to any input variable)

• Buffered Sensor Outputs: 4 × BNC (raw signal, short‑circuit protected)

• Event Log: 200‑entry (time‑stamped alarms/faults)

Power & Environmental

• Power: 24 VDC (18–30 VDC) or 115/230 VAC (50/60 Hz)

• Power Consumption: ~15 W

• Operating Temp: −40°C to +70°C

• Storage Temp: −40°C to +85°C

• Humidity: 5%–95% RH, non‑condensing

• Status LEDs: OK, Alert, Danger, Fault

Communications

• Serial: RS‑232/485 (Modbus RTU)

• Ethernet: Modbus/TCP (optional)

• Software: 1900 Configuration Software (v5.0+); System 1 compatible

Core Functions

• Multi‑Input Integration: Combines vibration, position, speed, and temperature in one unit (no separate modules).

• 4 Dynamic + 4 Temperature Channels: Flexible mapping for motors, pumps, fans, and compressors.

• Dual Alarm Thresholds: Independent Alert (warning) and Danger (trip) per channel with 0.1–30 s delay (prevents false trips).

• 6 Programmable Relays: Map any channel’s status to relays for local annunciation or ESD.

• 4–20 mA Scaled Outputs: Direct interface with DCS/PLC for remote monitoring.

• Buffered BNC Outputs: Raw sensor signals for oscilloscope diagnostics.

• Built‑In Diagnostics: Sensor/cable fault detection, over/under‑range, and module self‑check.

• Standalone Operation: No rack required; wall‑mountable for field installation.

• Modbus Connectivity: Integrates with SCADA/System 1 for centralized monitoring.

Applications

• Oil & Gas: Pumps, fans, blowers, and small compressors (non‑critical rotating equipment).

• Power Generation: Auxiliary motors, boiler fans, and cooling tower pumps.

• Petrochemical/Refining: General‑purpose machinery (mixers, agitators, conveyors).

• Water/Wastewater: Centrifugal pumps, aeration blowers.

• Manufacturing: Machine tools, conveyors, and material handling equipment.

• HVAC: Large fans and chillers in commercial buildings.

Usage & Maintenance

• Installation: Wall‑mount; wire sensors to rear terminals; connect power and comms.

• Configuration: Use 1900 Software; set channel type, range, thresholds, and output scaling.

• Maintenance: Inspect wiring annually; calibrate every 2–3 years; no internal consumables.

• Compatibility: Replaces legacy 1900/65; compatible with 3300/3300XL sensors and System 1 software。