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Intelligent Technologies (IT.) D77A I/O Module Products
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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
VDC
VDC
VDC
VDC
VDC
VDC
CR
COM
COM
Ø
1
2
3
-
+
4
5
6
7
-
+
CR
CR
CR
CR
CR
CR
CR
D77A-011
+24
OU
T
OU
T
C
a
b
c