User manual

Intelligent Technologies (IT.) D77A I/O Module Products

MN05002001E

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Table 21: D77A-DI8RQ8 Combination Module Specifications

* A 12V transition range exists between 6V and 18V.

Figure 13: D77A-DI8RQ8 Combination Module Diagrams

a) D77A-DI8RQ8 Module

b) Internal DC Input Circuit

c) Internal Relay Output Circuit

Catalog Number

D77A-DI8RQ8

DC Sink/Source Input Relay Output

Nominal Voltage 24V DC —

Operating Voltage 18-30V DC 0-140V AC

0-30V DC

Number of Points 8 8

Points per Common 2 2

Signal Delay 5 ms —

OFF State Voltage 0-6V DC * —

ON State Voltage 18V-30V DC —

Nominal Current 5 mA —

Signal Delay — Relay ON Time 3 ms

Relay OFF Time 6 ms

Max. Current/Point (Resistive) — 3A

Max. Current/Module (Resistive) — 24A

Mechanical Life — 1,000,000 Operations

Electrical Life — 100,000 Operations

QCPort Current Draw 121 mA

Isolation 1.5kV

Terminal Screw Torque 4.5 inch-pounds (0.51 Newton-meters)

COM

CØ

VDC

D77A-028

OUT

VAC/DC