Description
Bently Nevada 1900/65A 167699-02
The Bently Nevada 1900/65A companion display/keypad panel (Part No. 167699-02) is an optional local human-machine interface (HMI) for the 1900/65A general-purpose equipment monitor. It is used for on-site viewing of monitoring data, parameter configuration, and diagnostic execution. Supporting both direct and remote installation, it is a core component of online monitoring and protection systems for general rotating machinery.
Core Positioning & System Relationship
- System Affiliation: Optional accessory for the 1900/65A general-purpose equipment monitor; not an independent monitoring module and must be used with the main unit.
- Core Role: Provides a local operator interface to deliver integrated on-site interaction capabilities: viewing – configuration – diagnostics.
- Deployment: Can be mounted directly on the monitor front panel or remotely via cabling, with a maximum distance of 75 m (250 ft).
Functions & Operation Capabilities
1. Real-Time Monitoring & Status Viewing
- Data Display: Real-time display of channel data including vibration, temperature, and speed via a backlit LCD (68.6 mm × 35.6 mm), along with status indicators for OK/Alert/Danger/Bypass/Trip Multiply.
- Event Logging: Supports access to the built-in 200-event list of the main unit for quick review of historical alarms and operating condition changes.
2. Local Parameter Configuration
- Channel Configuration: On-site modification of sensor type (accelerometer / velocity / eddy current / thermocouple / RTD), range, filtering parameters, etc.
- Alarm Management: Independent setting of Alert/Danger thresholds, alarm reset, and Bypass mode switching.
- System Control: Enable/disable Trip Multiply function, perform system self-test and hardware identification.
3. Diagnostics & Maintenance
- Channel Testing: Rapid verification of sensor signal validity and troubleshooting of field wiring and sensor faults.
- Data Backup: Upload/download configuration files with PC software to enable fast on-site restoration.
4. Signals & Communication
- Panel Output: 1 channel of buffered output (550 Ω impedance, 40 kHz bandwidth) for lossless transmission of raw signals from channels 1–4, with EMI protection.
- Main Unit Communication: Interfaces with the 1900/65A main unit via internal bus; remote communications including Modbus TCP/IP and RS485 are implemented through the main unit.
Technical Specifications
| Category | Details |
|---|---|
| Product Identification | Part No. 167699-02; Bently Nevada 1900/65A Display/Keypad Panel |
| Display Specification | Backlit LCD (68.6 mm × 35.6 mm); supports OK/Alert/Danger/Bypass/Trip Multiply/Channel status LEDs |
| Physical Parameters | Dimensions 196.9 mm × 149.4 mm × 32.8 mm (with main unit); weight approx. 0.40 kg (0.89 lb) |
| Electrical Characteristics | Powered by 1900/65A main unit (18–36 VDC); typical operating current 0.35 A, max. 1.0 A |
| Environmental Rating | Operating temperature: -20 °C to +70 °C; storage: -30 °C to +90 °C; operating humidity: 95% non-condensing |
| Mounting | Suitable for 35 mm DIN rail; can be installed integrally with main unit or remotely (max. 75 m cable) |
| Ingress Protection | Panel IP65/IP67; main unit available with optional NEMA 4X/IP66 enclosure |
| Signal Bandwidth | Min. 40 kHz when directly connected to main unit; min. 8 kHz with 75 m cable connection |
Compatible Main Unit & System Capabilities
1. Core Specifications of 1900/65A Main Unit
- Input Channels: 8 channels (4 vibration / position / velocity + 4 temperature), supporting 2/3-wire accelerometers, velocity sensors, eddy current sensors, as well as Type E/J/K/T thermocouples and 2/3-wire RTDs.
- Output Channels: 6 programmable relays (SPDT, 5 A max.), 4 analog outputs (4–20 mA), 1 dedicated buffered output.
- Communication: Ethernet (10/100BaseT), software-configurable RS232/485, Modbus gateway support, compatible with DCS/SCADA/PLC and System 1 software.
- Accuracy: 24-bit ADC conversion; vibration measurement accuracy ±1% F.S.; typical temperature accuracy ±1 °C.
2. Supported Sensor Types
- Vibration: Bently Nevada 330400/330425 accelerometers, 330500/330525/330750 Velomitor velocity sensors, 3000 XL/7200 series eddy current sensors.
- Temperature: Type E/J/K/T thermocouples; 100 Ω Pt / 120 Ω Ni / 10 Ω Cu RTDs.
Typical Applications
- Power Industry: Online monitoring and protection of steam turbines, generators, water pumps, fans, and cooling tower fans.
- Petrochemical Industry: Condition monitoring of critical rotating equipment such as compressors, pumps, centrifuges, and reactors.
- Metallurgy / Mining / Pulp & Paper: Preventive maintenance of general equipment including crushers, blowers, and conveyors.
Environment: Suitable for harsh industrial environments with strong electromagnetic interference, extreme temperatures, high humidity, and dust.
Installation & Maintenance Guidelines
1. Installation Standards
- Preferred mounting on 35 mm DIN rail; bulkhead mounting or use with NEMA 4X/IP66 enclosure is also available.
Dedicated cables (PVC or TEF type) are required for remote installation to ensure stable signal transmission.
2. Wiring & Power Supply
- No independent power supply needed; powered by the 1900/65A main unit via internal bus (18–36 VDC).
- Buffered outputs of the panel must correspond to main unit channels to avoid signal confusion.
3. Maintenance & Calibration
- Regular inspection of LCD and key sensitivity, and cleaning of dust and oil from the panel.
- For malfunctions, use main unit diagnostics first; replace the panel assembly if necessary.
- Configuration parameters should be backed up using 1900 Configuration software for quick restoration.
