Intelligent Technologies (
IT.
) D77A I/O Module Products
8
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MN05002001E
Input Specifications
AC Input Module Specifications
Table 13: AC Input Module Specifications
* A 50V transition range exists between 30V and 80V.
Figure 3: AC Input Module Diagrams
a) D77A-AI8, Eight-Point Module
b) D77A-AI16, Sixteen-Point Module
c) Internal Circuit
Catalog Number
D77A-AI8
D77A-AI16
Nominal Input Voltage
120V AC, 50/60 Hz
120V AC, 50/60 Hz
Operating Voltage
80 – 140V AC, 50/60 Hz
80 – 140V AC, 50/60 Hz
Number of Inputs
8
16
Points per Common
2
2
OFF State Voltage
0 – 30V AC *
0 – 30V AC *
ON State Voltage
80V AC – 140V AC
80V AC – 140V AC
Nominal Input Current
15 mA
15 mA
Signal Delay
8.33 ms @ 60 Hz / 10 ms @ 50 Hz
8.33 ms @ 60 Hz / 10 ms @ 50 Hz
QCPort Current Draw
33 mA
46 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)
COM
IN
IN
Ø
1
CØ
2
3
C1
4
5
C2
6
7
C3
V A C
V A C
V A C
V A C
Ø
1
CØ
2
3
C1
4
5
C2
6
7
C3
V A C
V A C
V A C
V A C
V A C
V A C
V A C
V A C
8
9
C4
1 0
1 1
C5
1 2
1 3
C6
1 4
1 5
C7
a
b
c
D77A-006
Содержание D77A
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