Product Description
Manufacturer: Allen-Bradley
Model/Part Number: 1794-OB8
Description: FlexLogix FLEX I/O Digital DC Output Modules
| Attribute | Value |
|---|---|
| Number of Outputs | 8, current, sourcing |
| Recommended Terminal Base Unit | 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3K, 1794-TB3SK |
| On-State Voltage (Min) | 10V DC |
| On-State Voltage (Nom) | 24V DC |
| On-State Voltage (Max) | 31.2V DC |
| Output Current Rating | 4 A (8 outputs @ 0.5 A) |
| On-State Current (Min Per Channel) | 1.0 mA |
| On-State Current (Max Per Channel) | 500 mA |
| On-State Voltage Drop (Max) | 0.5V DC |
| Surge Current (Repeatable Every 2 Seconds) | 2 A for 50 ms |
| Off-State Leakage Current (Max) | 0.5 mA |
| Isolation Voltage | 50V (continuous), Basic Insulation Type Tested at 850V DC for 1s, between user and system |
| No Isolation Between Individual Channels | Yes |
| Output Signal Delay (Off to On) | 0.5 ms |
| Output Signal Delay (On to Off) | 1.0 ms |
| Flexbus Current | 60 mA @ 5V DC |
| Power Dissipation (Max) | 3.3 W @ 31.2V DC |
| Thermal Dissipation (Max) | 11.2 BTU/hr @ 31.2V DC |
| Fusing | Module outputs are not fused. External fusing is recommended. Use SAN-O MQ4-800 mA fuses. |
| Dimensions (Approx.) (H x W x D) | 94 x 94 x 69 mm (3.7 x 3.7 x 2.7 in.) |
| Weight (Approx.) | 73 g (2.57 oz.) |