Technical data

February 2007
46
For more information visit: www.EatonElectrical.ca CA05001001K
PLC, I/O & Communications Products
IT. Connect
Remote I/O Modules (D77A Series)
AC Input Relay Output Module — D77A-AI8RQ8
Table 60. Specifications
1
Resistive current at 55°C.
Table 61. Operating Voltage Range — Input
Figure 58. Wiring Diagram — AC Input Relay Output
Figure 59. Circuit Diagram — AC Input Relay Output
Description Specification
AC Input Relay Output
Nominal Voltage 120V AC 120V AC
24V DC
Operating Voltage 80 – 140V AC 0 – 30V DC
0 – 140V AC
Number of Points 8
Points per Common 2
Signal Delay 1/2 Cycle
(programmable
to 250 mS)
—
OFF-State Voltage < 30V AC —
ON-State Voltage > 80V AC —
Nominal Current 15 mA —
Relay OFF Time — 6 mS
Relay ON Time — 3 mS
Max. Current per Point
1
—3A
Max. Current per
Module
1
— 24A
Electrical Life — 100,000 Cycles
Mechanical Life — 1,000,000 Cycles
Isolation 1,500V
Module Current Draw 104 mA
OFF State Transition Region ON State
0 30V AC 30V AC 80V AC 80V AC 140V AC
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
C0
V AC
2
3
C1
V AC
4
5
C2
V AC
6
7
C3
V AC
CR
CR
CR
CR
CR
CR
CR
In
In
Com
Out
Out
C