Intelligent Technologies (
IT.
) D77A I/O Module Products
MN05002001E
For more information visit: www.EatonElectrical.com
9
DC Input Module Specifications
Table 14: DC Input Module Specifications
* A 12V transition range exists between 6V and 18V.
Figure 4: DC Input Module Diagrams
a) D77A-DI8, Eight-point Module
b) D77A-DI16, Sixteen-point Module
c) Internal Circuit
Catalog Number
D77A-DI8
D77A-DI16
Type
Sink/Source
Sink/Source
Nominal Input Voltage
24V DC
24V DC
Operating Voltage
18 – 30V DC
18 – 30V DC
Number of Inputs
8
16
Points per Common
2
2
Signal Delay
5 ms
5 ms
OFF State Voltage
0 – 6V DC *
0 – 6V DC *
ON State Voltage
18V – 30V DC
18V – 30V DC
Nominal Input Current
5 mA
5 mA
QCPort Current Draw
35 mA
63 mA
Isolation
1.5kV
1.5kV
Terminal Screw Torque
4.5 inch-pounds
(0.51 Newton-meters)
4.5 inch-pounds
(0.51 Newton-meters)
IN
IN
COM
Ø
1
CØ
2
3
C1
4
5
C2
6
7
C3
V DC
V DC
V DC
V DC
Ø
1
CØ
2
3
C1
4
5
C2
6
7
C3
V DC
V DC
V DC
V DC
V DC
V DC
V DC
V DC
8
9
C4
1 0
1 1
C5
1 2
1 3
C6
1 4
1 5
C7
D77A-008
a
b
c
Содержание D77A
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