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Intelligent Technologies (
IT.) D77A I/O Module Products
14
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MN05002001E
DC Output Module Specifications
Table 17: DC Output Module Specifications
Figure 8: DC Output Module Diagrams
a) D77A-DQ8, Eight-Point Module
b) D77A-DQ16, Sixteen-Point Module
c) Internal Circuit
b) D77A-DQ16, Sixteen-Point Module
c) Internal Circuit
Catalog Number
D77A-DQ8
D77A-DQ16
Type
MOSFET Sink
MOSFET Sink
Nominal Output Voltage
24V DC
24V DC
Operating Voltage
18 – 30V DC
18 – 30V DC
Number of Inputs
8
16
Points per Common
4
4
Signal Delay
1 ms
1 ms
Max. Current/Point
0.75A
0.75A
Max. Current/Module (Resistive)
6A
12A
Surge Current (10 ms)
4A
4A
OFF State Leakage
1 mA
1 mA
QCPort Current Draw
85 mA
126 mA
Isolation
1.5kV
1.5kV
Terminal Screw Torque
4.5 inch-pounds
(0.51 Newton-meters)
(0.51 Newton-meters)
4.5 inch-pounds
(0.51 Newton-meters)
(0.51 Newton-meters)
+24
OUT
OUT
C
CR
COM
COM
Ø
1
2
3
-
+
4
5
6
7
-
+
V D C
V D C
CR
CR
CR
CR
CR
CR
CR
8
9
10
11
-
+
1 2
1 3
1 4
1 5
-
+
CR
COM
COM
COM
COM
Ø
1
2
3
-
+
4
5
6
7
-
+
V D C
V D C
V D C
V D C
CR
CR
CR
CR
CR
CR
CR
CR
CR
CR
CR
CR
CR
CR
CR
D77A-009
a
b
c