Intelligent Technologies (IT.) D77A I/O Module Products
Table 23:
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Catalog Number | AC Input | Relay Output |
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Nominal Voltage | 120V AC, 50/60 Hz | — |
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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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Maximum Load Current (Resistive) | 15 mA | — |
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Signal Delay | 8.33 ms @ 60 Hz | Relay ON Time 3 ms |
| 10 ms @ 50 Hz | 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 | 104 mA |
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Isolation | 1.5kV |
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Terminal Screw Torque | 4.5 |
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* A 60V transition range exists between 80V and 140V.
| Ø |
| 1 |
AC | CØ |
| 2 |
| 3 |
AC | C1 |
| 4 |
| 5 |
AC | C2 |
| 6 |
| 7 |
AC | C3 |
CR | Ø |
CR | 1 |
V A C/DC | C4 |
CR | 2 |
CR | 3 |
V A C/DC | C5 |
CR | 4 |
CR | 5 |
V A C/DC | C6 |
CR | 6 |
CR | 7 |
V A C/DC | C7 |
COM 
IN
IN 
b
OUT
OUT |
C |
c
a
Figure 15: D77A-AI8RQ8 Combination Module Diagrams
a)
b)Internal DC Input Circuit
c)Internal Relay Output Circuit
MN05002001E | For more information visit: www.EatonElectrical.com | 21 |
