Pencom make several RS-232 based products with Relays and Programmable Event Timers.

We recently supplied this product to a customer so they can remote reboot computers using a simple RF system.

This is looking at their 8 relay model.

Features

Low cost 8 channel serial relay card with heavy duty 10 Amp 250VAC/28VDC SPDT power relays, controlled through one of the PC RS232 serial ports.

Designed for single board operation or multiple board operation on the same serial port. Up to 16 boards can be connected in a daisy chain configuration, with up to a total of 128 - 10 Amp relays under PC control.

  • ASCII commands to control relays.
  • Easy hook up using standard Modular telephone cable, for connecting PC to single board and for multiple board
  • configurations (9-pin serial to modular cable adapter required available separately).
  • Any software language that can write to the PC serial port can be used with this relay card NO special drivers needed.
  • 9600 baud

Two versions available:

  • Model: S8-RLY-EXT - Relay card mounted in a plastic enclosure, powered by an external wall transformer (shown at top left).
  • Model: S8-RLY-INT - Bare board (no enclosure) with an on board 120VAC 60Hz power transformer - for mounting in the customers enclosure or where multiple wall transformers would be impractical.

Relay testing software available for Windows -- used to verify operation of the relays before writing your own software program. Please note: The relay boards do not ship with software, see below to download the software or order the software on disk.

  • 8 Channel Relay card with 10 Amp power relays
  • 1.0 Amp 9VDC output wall transformer.
  • 6.89"L X 4.88"W X 1.5"H gray ABS plastic enclosure

Applications

  • Industrial control applications
  • Automatic test equipment (ATE)
  • Process control systems
  • Power switching applications

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