Product Description
Manufacturer: Allen-Bradley
Model/Part Number: 1794-OM8
Description: FlexLogix FLEX I/O 220V AC Output Module
Key Attributes:
| Attribute | Value |
|---|---|
| Number of Outputs | 8, nonisolated |
| Recommended Terminal Base Unit | 1794-TBN, 1794-TBNF, 1794-TBNK, 1794-TBNFK |
| Module Mounting | Refer to Figure 2 on page 9 |
| Output Voltage (Min) | 159V AC |
| Output Voltage (Nominal) | 240V AC |
| Output Voltage (Max) | 264V AC |
| Output Current Rating | 4.0 A (8 outputs @ 500 mA) |
| On-State Current (Min) | 50 mA per output |
| On-State Current (Max) | 500 mA per output @ 55 °C (131 °F) |
| On-State Voltage Drop (Max) | 1.5V AC @ 0.5 A |
| Surge Current | 7 A for 40 ms each, repeatable every 8 seconds |
| Off-State Leakage (Max) | 2.5 mA |
| Isolation Voltage | 250V (continuous), Basic Insulation Type, field side to backplane |
| Type Tested | 1530V AC for 60 s |
| Isolation Between Channels | None |
| Output Signal Delay (Max) | Off-to-On: 1/2 cycle; On-to-Off: 1/2 cycle |
| Flexbus Current | 60 mA @ 5V DC |
| Power Dissipation (Max) | 5.0 W @ 0.5 A |
| Thermal Dissipation (Max) | 17.1 BTU/hr @ 0.5 A |
| Fusing (when using 1794-TBNF) | 0.8 A, 250 slow-blow fuse (5 x 20 mm SAN-O MQ4-800 mA) |
General Specifications:
| Attribute | Value |
|---|---|
| Terminal Base Screw Torque | Determined by the installed terminal base |
| Dimensions | 94 x 94 x 69 mm (3.7 x 3.7 x 2.7 in.) |
| Indicators | 8 yellow status indicators (logic driven) |
| External AC Power Supply Voltage (Nominal) | 240V AC |
| External AC Power Supply Input Frequency | 47–63 Hz |
| External AC Power Voltage Range | 159–264V AC (see derating charts on page 9) |
| North American Temperature Code | T4A |
| Keyswitch Position | 8 |
| Enclosure Type Rating | None (open-style) |
| Weight (Approx.) | 85 g (3.00 oz) |
| Wire Size | Determined by the installed terminal base |
| Wiring Category | 2 (on signal ports) |
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