PCLD-785 PCLD-785B PCLD-885 16-ch Relay Board 24-ch Relay Board 16-ch Power Relay Board PCLD-785/B PCLD-885 Features Features Compatible with PC-LabCard™ products with 20-pin digital output connector and 50-pin Opto-22 digital output connector (PCLD-785B only) 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 Specifications Specifications Relay Channels PCLD-785: 16 (CN1, 20-pin conn.) PCLD-785B: 16 (CN1, 20-pin conn.) 24 (CN2, 50-pin conn.) Contact Ratings 120 VAC @ 0.5 A, 30 VDC @ 1 A Contact Resistance < 100 mW Operation Time 5 ms max. Insulation Resistance 100 MW Life Expectancy AC: 5 x 105 @ 110 V/0.3 A DC: 5 x 105 @ 24 V/1.25 A Relay Type SPDT (Single-Pole Double-Throw) Form C Release Time 5 ms max. Relay Channels Contact Rating Power Consumption Connectors PCLD-785: 114 x 220 mm (4.5" x 8.7") PCLD-785B: 132 x 220 mm (5.2" x 8.7") +5 V @ < 100 mA; +12 V @ 33 mA for each relay 20-pin connector: +5 VDC: Jumper select either PC bus or external supply +12 VDC: Jumper select either PC bus or external supply 50-pin connector: external 12 V supply Ordering Information PCLD-785 PCLD-785B PCL-10120-1 PCL-10120-2 PCL-10150-1.2 Contact Resistance Insulation Resistance Life Expectancy Relay On Time Relay Off Time Relay Type 16 AC: 250 V @ 6 A DC: 30 V @ 5 A 30 mΩ max. 1000 mΩ @ 500 VDC >100,000 cycles at rated load 6 ms max. 3 ms max. SPST (Form A), normally open Varistor General Dimensions (L x W) 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 16-ch Relay Board w/ One 1m 20-pin Flat Cable 24-ch Relay Board w/ 20-pin & 50-pin Flat Cables 20-pin Flat Cable, 1 m 20-pin Flat Cable, 2 m 50-pin Flat Cable, 1.2 m Clamping Voltage Max. Peak Current Max. Applied Voltage Varistor Voltage 760 V (10 A) 1,200 A for 8 msec. 300 VRMS AC continuous 470 V (current = 1 mA) General Power Consumption Connectors Input: Output: Dimensions (L x W) Operating Temperature 12 V @ 22 mA for each relay, 352 mA if all relays energized; 5 V @ 200 mA max. 20-pin flat cable or 50-pin Opto-22 compatible Barrier strip screw terminal 205 x 114 mm (8" x 4.5") 0 ~ 60° C (32 ~ 140° F) Ordering Information PCLD-885 16-ch Power Relay Board w/ 20p & 50p Flat Cables Online Download www.advantech.com/products