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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