Technical data

May 2007
CA05001001E For more information visit: www.eaton.com
47
PLC, I/O & Communications Products
IT. Connect
Remote I/O Modules (D77A Series)
DC Input Relay Output Module — D77A-DI8RQ8
Table 63. Specifications

Resistive current at 55°C.
Table 64. Operating Voltage Range — Input
Figure 62. Wiring Diagram — DC Input Relay Output
Figure 63. Circuit Diagram — DC Input Relay Output
Description Specification
DC Input Relay Output
Nominal Voltage 24V DC 120V AC
24V DC
Operating Voltage 18 – 30V DC 0 – 30V DC
0 – 140V AC
Number of Points 8
Points per Common 2
Signal Delay 5 mS
(programmable
to 250 mS)
—
OFF-State Voltage < 6V DC —
ON-State Voltage > 18V DC —
Nominal Current 5 mA —
Relay OFF Time — 6 mS
Relay ON Time — 3 mS
Max. Current per Point

—3A
Max. Current per
Module

— 24A
Electrical Life — 100,000 Cycles
Mechanical Life — 1,000,000 Cycles
Isolation 1,500V
Module Current Draw 106 mA
OFF State Transition Region ON State
0 8V DC 8V DC 18V DC 18V DC 30V DC
0CR
1
C0
V AC/DC
V AC/DC
V AC/DC
V AC/DC
2
3
C1
4
5
C2
6
7
C3
0
1
C4
V DC
2
3
C5
V DC
4
5
C6
V DC
6
7
C7
V DC
CR
CR
CR
CR
CR
CR
CR
Out
In
In
Com
Out
C