DHA52 is a fully programmable timer to allow execution of self-designed timing functions. The function can be prepared using the free PC software BHF and connecting the unit to a PC. The user can decide to leave to the front knob for final setting the adjustment of one of the time steps. For mounting on DIN-rail. 17.5 mm wide housing suit- able both for back and front panel mounting.
The DHA52 is a fully programmable timing unit with up to 16 status changes per program and time steps ranging from 0.1 s to 100 h. Functions are created with the free BHF PC software and transferred to the unit via an optional PCABLE connected to a computer's parallel port.
The device mounts on a 17.5 mm DIN‑rail, offers a 5 A SPDT relay output, and operates from 24 VDC or 24‑240 VAC power supplies. It includes LED indicators for power and relay status, and meets IEC safety and EMC standards.
| Output type | 5 A SPDT relay |
|---|---|
| Time step range | 0.1 s to 100 h |
| Repeatability | < 0.2 % |
| Rated insulation voltage | 250 VAC (rms) |
| Mechanical life | 30 × 10⁶ operations |
| Operating temperature range | -20 °C to +60 °C (RH < 95 %) |
| IP protection rating | IP20 |
Programming is done with the free BHF PC software, using the optional PCABLE or PCABLEII connected to the computer’s parallel port.
The timer can execute up to 7 200 operations per hour.