Isolated/Relay Digital I/O Terminal

16-ch Power Relay Output Terminal Accepts 20-pin or 50-pin (Opto-22 compatible) connectors. 16 single-pole single-throw (SPST) relays. High-power relay handles up to 5 A @ 250 VAC. Onboard varistors protect all relay contact points. Industrial screw terminals for ease of wiring. LED status indicators. +5 V/+12 V power/status LED indicator.

Opto-Isolated D/I Board Compatible with all PC-LabCard products with DI channels. See specifications for details. 16 or 24 optically-isolated digital input channels. Built-in screw terminals for easy input wiring. LEDs indicate input logic status. Inputs buffered with voltage comparators.

16/24-ch Opto-isolated DI Board Compatible with all PC-LabCard™ products with DI channels on either 20-pin flat cable or 50-pin Opto-22 compatible connectors. 24 optically-isolated digital input channels. Built-in screw terminals for easy input wiring. LEDs indicate input logic status. Inputs buffered with voltage comparators.

16-ch Relay Output Terminal Automatic selection of control logic (PLCD-785B only): Negative logic for the Opto-22 connector Positive logic for the 20-pin flat cable connector. Screw terminals for easy output wiring. LED status indicators.

24-ch Relay Output Terminal Compatible with PC-LabCard™ products with 20-pin digital output connector and 50-pin Opto-22 digital output connector. Screw terminals for easy output wiring. LED status indicators.

48-ch Opto-isolated DI Board 48 optically-isolated digital input channels. Built-in plug-in screw terminals for easier wiring. LEDs indicate input logic status. Input buffered with voltage comparators. Wet/Dry contact set by DIP switches. Input logic set by jumper. Wide input range from 5 to 30 V.

24/24-ch Relay Output/Isolated DI Board Built-in plug-in screw terminals for easier wiring. LED status indicators for D/I and relay output. Digital inputs buffered with voltage comparators. Wet/Dry contact set by DIP switches for D/I. Wide input range from 5 to 30 V. INT/EXT Power selection by jumper.

48-ch relay output wiring board Built-in plug-in screw terminals for easier wiring. LED status indicators for Relay output. DIN-rail mounting. Onboard relay driver circuits.