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SKU:1794-OM8
Allen-Bradley 1794-OM8 | Flex I/O Digital Output Module | 240VAC
Manufacturer: Allen-Bradley
Product No.: 1794-OM8
Product Type: Digital Output Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months
Kongsi
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Penerangan
Product Overview
The Allen-Bradley 1794-OM8 is a Flex I/O digital AC output module with 8 nonisolated outputs. It operates at 240V AC nominal output voltage with a 4.0A output current rating. Weighing approximately 0.3 kg, the module fits inside the terminal bus, connecting field devices to the I/O bus. Modules can be inserted or removed under power since no direct wiring attaches to the I/O module, saving commissioning time and eliminating system restart inefficiency.
Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Part Number | 1794-OM8 |
| Product Type | Flex I/O Digital Output Module |
| Outputs | 8 Nonisolated |
| Output Voltage Nominal | 240V AC (220V AC nominal on-state) |
| On-State Voltage Range | 159 to 264V AC |
| Output Current Rating | 4.0 A |
| On-State Current per Output | 500 mA maximum, 5 mA minimum at 55°C |
| On-State Voltage Drop | 1.5V AC @ 0.5A maximum |
| Off-State Leakage | 2.5 mA maximum |
| Isolation Voltage | 250V Continuous |
| Flexbus Current | 60 mA @ 5V DC |
| Power Dissipation | 5W @ 0.5A maximum |
| Thermal Dissipation | 17.1 BTU/hr @ 0.5A maximum |
| Weight | Approx. 0.3 kg |
| Compatible Terminal Bases | 1794-TBNF, 1794-TBN |
| Operating Temperature | 0 to 55°C (32 to 131°F) |
| Relative Humidity | 5 to 95% non-condensing |
| Mounting | DIN rail snap-on |
Installation Guide
Snap the module onto a DIN rail for mounting. Use the 1794-TBNF or 1794-TBN terminal base unit for field wiring connections. The module supports insertion and removal under power since no direct wiring attaches to the I/O module itself. Verify output loads do not exceed 500 mA per output or 4A per module. Confirm output voltage remains within the 159-264V AC on-state range. Maintain 0-55°C operating temperature and 5-95% non-condensing humidity.
Engineering Advantages
The 1794-OM8 supports hot-swap removal and insertion, eliminating system restart downtime during maintenance. Eight nonisolated outputs in a single module reduce panel space requirements. Multiple communication options (ControlNet, DeviceNet, EtherNet/IP, Universal Remote I/O) enable flexible network integration. The 250V continuous isolation rating protects the backplane. XT versions are available for extreme environment operation, reducing panel and maintenance costs.
Technical FAQs
Q1: How many outputs does the 1794-OM8 provide?
A1: This module includes 8 nonisolated AC outputs with 240V AC nominal voltage and 4.0A module current rating.
Q2: Can the module be removed while power is on?
A2: Yes, modules can be inserted or removed under power since the I/O module has no direct wiring, saving commissioning time.
Q3: What terminal base units are compatible?
A3: The 1794-OM8 works with the 1794-TBNF and 1794-TBN terminal base units for field device connections.
Spesifikasi Tambahan
- Kelabu
Skalar (V/f)
Vektor
Dikuasakan oleh AC
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