Counter/Timer : SLC-457
Timer type SLC-457 is designed for time counting in range from 0 to 100 hours with resolution of 1 min. Actual result is showed on 4-digit display, and the user can change it's bright in 8 steps range. The device is equipped with 4 buttons for main presets programming. To get high protection level, the keyboard is mounted under transparent waterproof cover. This feature allows to use SLC-457 in hazardous environments.
Parameters
| Inputs | pulse, galvanically isolated: 1 x start and 1 x stop counting, 1 x reset |
|---|---|
| Display | LED, red, 4 x 57 mm, with 8-step adjustment of brighness |
| Input levels | low: 0 V ÷ 3 V; high: 10 V ÷ 30 V |
| Power consumption | for 85 ÷ 260V AC/DC and 16V ÷ 35V AC power supply: max. 4,5 VA; 19V ÷ 50V DC power supply: max. 4,5 W |
| Output | power supply output: 24V DC +5%, -10% / max. 100 mA |
| Resolution | 1 minute |
| Communication interface | RS-485, 8N1, 1200 bit/s ÷ 115200 bit/s, Modbus RTU (not galvanically isolated) |
| Protection class | IP 65 (standard) IP 67 (option) |
| Reset | manual or electronic |
| Case material | ABS + glass fibre |
| Operating temperature | 0°C ÷ +50°C |
| Power supply | 19V ÷ 50V DC; 16V ÷ 35V AC or 85 ÷ 260V AC/DC |
| Case | wall-mounted (depends on IP version) |
| Storage temperature | -10°C ÷ +70°C |
| Accuracy | ± 0,005 % of displayed value |
| Case dimensions | IP 65 type case: 215 x 185 x 118,2 mm; IP 67 type case: 230 x 140 x 96,5 mm |
| Inputs sampling frequency | > 10 kHz |
| Displayed values range | from 0 to 100 hours in hh.mm (hours.minutes) format |