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Intelligent Technologies (IT.) D77A I/O Module Products
20 For more information visit: www.EatonElectrical.com
MN05002001E
Table 22: D77A-AI8AQ8 Combination Module Specifications
* A 50V transition range exists between 30V and 80V.
Figure 14: D77A-AI8AQ8 Combination Module Diagrams
a) D77A-AI8AQ8 Module
b) Internal AC Input Circuit
c) Internal AC Output Circuit
Catalog Number
D77A-AI8AQ8
AC Input AC Output
Nominal Voltage 120V AC, 50/60 Hz 120V AC, 50/60 Hz
Operating Voltage 80-140V AC 80-140 V AC
Number of Points 8 8
Points per Common 2 2
OFF State Voltage 0-30V AC * —
ON State Voltage 80V-140V AC —
Minimal Load Current (Resistive) 15 mA —
Signal Delay 8.33 ms @ 60 Hz
10 ms @ 50 Hz
Max. Current/Point (Resistive) — 0.5A @ 30°C
0.1A @ 55°C
Max. Current/Module (Resistive) — 4A @ 30°C
0.8A @ 55°C
Surge Current (10 ms) — 10A
OFF State Leakage 2 mA
QCPort Current Draw 132 mA
Isolation 1.5kV
Terminal Screw Torque 4.5 inch-pounds (0.51 Newton-meters)
Ø
1
CØ
2
3
C1
4
5
C2
6
7
C3
VAC
VAC
VAC
VAC
D77A-029
a
b
c
COM
IN
IN
L2
OUT
OUT
CR
CR
Ø
1
C4
2
3
C5
4
5
C6
6
7
C7
VAC
VAC
VAC
VAC
CR
CR
CR
CR
CR
CR