Signal Conditioning Modules and Terminal Boards
Features
Specifications
Isolated Digital Input
Input Channels
PCLD-782: 16
PCLD-782B: 24
Input Range
0 ~ 24 VDC
Input Resistance
560
Ω
Isolation Voltages
1,500 VDC min.
Threshold Voltage
1.5 VDC (VR adjustable)
General
Certifications
CE
Connectors
Digital Input:
Screw terminals (#12 ~ 22 AWG)
Controller:
PCLD-782: 1 x 20-pin box header (CN1)
PCLD-782B: 1 x 20-pin box header (CN1) and
1 x 50-pin box header (CN2)
Dimensions (L x W)
PCLD-782: 3U– 205 x 114 mm (8.1" x 4.5")
PCLD-782B: 4U– 220 x 132 mm (8.7" x 5.2")
LED Indicators
Indicates input logic status
Mounting
4 x screw holes for flat surface mounting
PCLD-782
PCLD-782B
16-ch Opto-Isolated Digital Input Board
24-ch Opto-Isolated Digital Input Board
Compatible with all PC-LabCard™ products with DI channels on either 20-pin
flat cable or 50-pin Opto-22 compatible connectors
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
Introduction
PCLD-782 and PCLD-782B digital input daughterboards feature high-voltage (> 1,500 VDC) optical isolation on all inputs. PCLD-782 provides 16 input channels accessible through
one 20-pin flat cable connector, which is standard on most PC-LabCard™ products. The PCLD-782B provides either 16 or 24 channels, depending on what connector you use. The
PCLD-782B’s 20-pin connector lets you access 16 channels, similar to the PCLD-782, but also provides a 50-pin Opto-22 connector with access to 24 channels.
Both cards have onboard screw terminals for easy input wiring. Optically isolated signal conditioning provides isolation between separate channels, as well as between each input
channel and the PC. This isolation prevents floating potential and ground loop problems while protecting the input lines from potentially damaging fault conditions.
Pin Assignments
Ordering Information
PCLD-782
16-ch Isolated DI Board w/ 1m 20-pin Flat Cable
PCLD-782B
24-ch IDI Board w/ 20-pin & 50-pin Flat Cables
PCL-10120-1
20-pin Flat Cable, 1 m
PCL-10120-2
20-pin Flat Cable, 2 m
PCL-10150-1.2
50-pin Flat Cable, 1.2 m
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