Description
The BDI74 efficiency indicators are low-cost and affordable panel-mounted digital indicators. Simple digital panel indicator, equipped with measurement input: current input (0-20/4-20 mA) or voltage input (0-5/1-5/0-10/2-10 V).
Parameters
| Inputs | current 0-20 mA or 4-20 mA, user programmable, overload-protected, input current limited to about 50 mA; voltage 0-5 V, 1-5V, 0-10V or 2-10V, user programmable |
|---|---|
| Power consumption | for 110V AC and 230V AC: max. 1,5 VA; for 24V DC: max. 1 W |
| Case material | NORYL UL94 V-0 |
| Protection class | IP 65 (front side when an additional seal is installed); IP 40 (front side); IP 20 (case and connection clips) |
| Operating temperature | 0°C ÷ +50°C; -20°C ÷ +50°C (on special request) |
| Display | LED, red, 4 x 13 mm high |
| Power supply | 230 V AC ± 10%; 110 V AC ± 10%; 24 V DC (non separated from measurement input) |
| Measurement range | -999 ÷ 9999 user programmable also with decimal point (it’s possibly to set it according to the order) |
| Accuracy | ± 0,25% ± one digit in the entire operation range |
| Communication interface | RS-485, 8N1 and 8N2, 1200 bit/s ÷ 115200 bit/s, Modbus RTU (not galvanically isolated from measuring inputs) |
| Stability | typ. 50 ppm/°C |
| Storage temperature | -10°C ÷ +70°C; -20°C do +70°C (depending on version) |
| Case | panel mounting |
| Case dimensions | for 24V DC: 72 x 36 x 77 mm; for 230V AC: 72 x 36 x 94 mm |
| Panel cut-out dimensions | 67 x 32,5 mm |
| Installation depth | for version 24V DC: min. 78 mm; for 230V AC: min. 95 mm |
