Intelligent Technologies (IT.) D77A I/O Module Products
Table 21:
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Catalog Number | DC Sink/Source Input | Relay Output |
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Nominal Voltage | 24V DC | — |
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Operating Voltage | ||
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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 | — | |
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ON State Voltage | — | |
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Nominal Current | 5 mA | — |
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Signal Delay | — | Relay ON Time 3 ms |
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| Relay OFF Time 6 ms |
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Max. Current/Point (Resistive) | — | 3A |
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Max. Current/Module (Resistive) | — | 24A |
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Mechanical Life | — | 1,000,000 Operations |
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Electrical Life | — | 100,000 Operations |
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QCPort Current Draw | 121 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 |
| 1 |
V D C | CØ |
| 2 |
| 3 |
V D C | C1 |
| 4 |
| 5 |
V D C | C2 |
| 6 |
| 7 |
V D C | C3 |
CR
CR
V A C/DC
CR
CR
V A C/DC
CR
CR
V A C/DC
CR
CR
V A C/DC
Ø
1
C4
2
3
C5
4
5
C6
6
7
C7
IN 
IN 
COM 
b
OUT
OUT
C
c
a
Figure 13: D77A-DI8RQ8 Combination Module Diagrams
a)
b)Internal DC Input Circuit
c)Internal Relay Output Circuit
MN05002001E | For more information visit: www.EatonElectrical.com | 19 |
