Battery-powered handheld programmer for HPL500-MB
The HPL500H is a portable remote terminal unit designed to communicate with Unipower HPL500-MB load monitors via MODbus RTU. Powered by an internal 9 V battery, it displays real-time kW% values and allows convenient programming of parameters. The unit automatically turns off after 30 seconds without communication to conserve battery life and can communicate with multiple HPL500-MB devices by selecting their addresses.
Technical Highlights 🔧
- Power supply: 9 V battery (type E, 6LF22); current draw 12-15 mA; approx. 50 h battery life.
- Interface: MODbus RTU slave; selectable baud rates 9.6 kbaud or 19.2 kbaud.
- Displays kW% and parameters from HPL500-MB; three-button operation for selecting and sending values.
- Housing: ABS handheld enclosure; dimensions 26 x 60 x 120 mm; IP40; operating -15 +50 °C; weight 130 g with battery.
- Automatic shutdown after 30 s without communication to prolong battery life.
Benefits ✅
- Provides on-site programming and diagnostics without accessing the DIN-rail mounted HPL500-MB.
- Battery operation removes the need for external power supply and simplifies portability.
- Supports multiple HPL500-MB units on one network, selectable via address.
- Auto shutdown conserves battery when not actively communicating.
Applications 🚀
- Field commissioning and maintenance of HPL500-MB motor load monitors.
- Remote adjustment of trip limits and timers without opening control panels.
- Service tool for troubleshooting and data observation on Modbus networks.
The HPL500H makes it easy to program and view parameters on HPL500-MB load monitors in the field, thanks to its battery power and handheld form factor.
FAQs
- Q: How is the HPL500H powered?
A: It uses a 9 V battery (type E, 6LF22) and draws 12-15 mA, giving around 50 hours of operation.
- Q: What communication interface does it use?
A: The unit communicates via MODbus RTU with selectable 9.6 kbaud or 19.2 kbaud baud rates.
- Q: Does the unit support multiple monitors?
A: Yes. You can select an address to communicate with any HPL500-MB on the bus and switch between up to 247 devices.