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