PCM-8D are microcontroller pulse counters with a Modbus interface. Their purpose is to be wired to pulse devices to read remotely their values or to make a Modbus network to read all meters in a building (usually water, heat and energy meters with pulse output).
That is why they have their own power supply. PCM-8D has a two-line x 16-digit LCD display, a 4-button keyboard, and an embedded real-time clock. Up to four tariffs can be measured for every pulse input. Mounted on a standard М36 DIN rail.
| number of pulse inputs | up to 8 |
| power supply | 55-250 Vаc/ 80-350 Vdc |
| maximum consumption | ‹ 2 W |
| display | LCD, 2 lines, 16 symbols each |
| keyboard | 4 membrane buttons |
| max frequency of pulses for each input | 5/10/20/50/100 Hz |
| contact requirements | non-potential, Ron < 1k, Roff > 1000k, up to 20m cable length (twisted pair) |
| work time without power supply | backup battery LiMnO2 60mAh (~7 days) |
| storage temperature | from -50° C to +90° C |
| work temperature | from -10° C to +50° C |
| humidity | from 40 to 90% |
| dimensions (H/W/D) | 90/105/76 mm |
| interface | RS-485 modbus |
| data transmission speed | 300/1.2k/4.8k/9.6k/19.2k/38.4k bps |
| initial setup of serial interface | 19.2kbps, even parity, 8 bit data, 1 stop |
| own weight | 410 g |
| For further information visit www.gineers.com/en |
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