SLI-8
Multi counters module SLI-8 allows to counting of pulses delivered to 8 isolated binary inputs independently. All counters are 24 bit long and can be read and cleared by user at any time. Occurrence of HIGH state on particular input is signalled by green LEDs marked IN1 to IN8. Incrementation of counter occurs after falling edge on particular input (input state changes from HIGH to LOW). It is essential that pulses have fulfill some time restrictions. These restrictions depend on settings of implemented internal digital filter, which allows to eliminate signal oscillations corresponding to contacts bouncing (of mechanical sensors).
Parameters
| Power supply | typ. 24V DC (16V DC ÷ 30V DC) |
|---|---|
| Current consumption | typ. 20 mA |
| Humidity | max. 90%, non-condensing |
| Input | 8 binary; counters capacity: 4 294 967 295 (32 bits) |
| Input levels | LOW state: 0V; HIGH state: 24V (min. 8V) |
| Communication interface | RS-485 / Modbus RTU |
| Breakdown voltage | all 8 inputs are galvanically isolated from module supply and RS-485 interface |
| Storage temperature | -10°C ÷ +70°C or -20°C ÷ +70°C (with option 08) |
| Data memory | non-volatile memory, EEPROM type |
| Operating temperature | 0°C ÷ +50°C (standard), -20°C ÷ +50°C (option) |
| Case dimensions | 101 x 22,5 x 80 mm |
| Protection class | IP 20 (housing and connection clips) |
| External fuse | T – type, max. 1 A (required) |
| Number of modules in 1 network | max. 128 |
| Transmission parameters | 1200 ÷ 115200 bit/s. |
| Mounting | on the 35 mm strip |
