HOT!!!!!!!GVLY-ZKZ-3T series Speed Monitoring Device
1:ISO standard 2:RS-485 Communication mode, MODBUS protocol 3:Fo power plant monitoring system services
GVLY-ZKZ-3 and GVLY-ZKZ-3T series speed monitoring device
Product Description
GVLY-ZKZ-3 and GVLY-ZKZ-3T series speed monitoring device external speed pulse sensor, the PT voltage transformer signal, the speed of the real-time monitoring of hydro-generating unit, the unit speed point output switch signal and the unit speed analog signalservice to open automatically ,shut down and power plant monitoring system.
Main Technical Parameters
| Measurement signal large ones | One Pulse signal and one PT signals (or permanent magnet machines signal) |
| Measuring frequency range | 0.05~100Hz |
| Measurement accuracy | Non-linearity <1% , the speed dead zone <0.02% |
| Switch output signal | Speed value signal: 8-way, every point by the user in the given range of tuning |
| Peristaltic monitoring signal | A setting, speed for 4 minutes in 0.05% ~ 1% Ne contact closure. |
| Devices power failure alarm signal | 1 setting, abnormal contact closure |
| Analog output | 4 ~ 20mA (corresponding to the rotational speed of the unit 0% Ne to 200% Ne) |
| Communication mode | RS-485 communication, MODBUS protocol. |
| Output contact capacity | 0.2A/250VAC,0.2A/30VDC |
| Work environment | Temperature 0 ~ 60 °C, Humidity <85% |
| Dimension | 160 × 80 × 250mm panel mounting |
| Hole size | 152 X 76 mm |
| Power supply | DC110~340V or AC85~265V/50Hz |
HOT!!!!!!!GVLY-ZKZ-3T series Speed Monitoring Device
