Advantech Datasheets for Relay Boards

Relay boards are computer boards with an array of relays and switches. They have input and output terminals and are designed to control the voltage supply.
Relay Boards: Learn more

Product Name Notes
12 relay outputs LED relay status indicators Male DB37 matching connector included Relay status readback function
16 to 1 channel expansion Differential and fully isolated multiplexing Break-before-make relay control “Channel closed” signal for precise A/D triggering Up to 16 PCLD-788s can be cascaded for 256 channels...
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...
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...
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...
Built-in plug-in screw terminals for easier wiring LED status indicators for Relay output DIN-rail mounting Onboard relay driver circuits
Channel status reflected by on-board LED for easy monitoring Onboard fuse protection
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...
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...
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
Up to eight AC or DC solid state relay modules Photo-coupler isolated operation Eight external relay drivers LED status indicators