Intelligent Technologies (
IT.
) D77A I/O Module Products
18
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MN05002001E
Special I/O Specifications
Combination Module Specifications
Table 20: D77A-DI8DQ8 Combination Module Specifications
* A 12V transition range exists between 6V and 18V.
Figure 12: D77A-DI8DQ8 Combination Module Diagrams
a) D77A-DI8DQ8 Module
b) Internal DC Input Circuit
c) Internal DC Output Circuit
Catalog Number
D77A-DI8DQ8
DC Sink/Source Input
DC MOSFET Sink Output
Nominal Voltage
24V DC
24V DC
Operating Voltage
18 – 30V DC
18 – 30V DC
Number of Points
8
8
Points per Common
2
2
Signal Delay
5 ms
—
OFF State Voltage
0 – 6V DC *
—
ON State Voltage
18V – 30V DC
—
Nominal Current
5 mA
—
Signal Delay
—
1 ms
Max. Current/Point (Resistive)
—
0.75A
Max. Current/Module (Resistive)
—
6A
Surge Current (10 ms)
—
4A
OFF State Leakage
—
1 mA
QCPort Current Draw
99 mA
Isolation
1.5kV
Terminal Screw Torque
4.5 inch-pounds (0.51 Newton-meters)
IN
IN
COM
Ø
1
CØ
2
3
C1
4
5
C2
6
7
C3
V D C
V D C
V D C
V D C
V D C
V D C
CR
COM
COM
Ø
1
2
3
-
+
4
5
6
7
-
+
CR
CR
CR
CR
CR
CR
CR
D77A-011
+24
OUT
OUT
C
a
b
c
Summary of Contents for D77A
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