15 in stock
Allen-Bradley 1738-OB8EM12 ArmorPoint Digital Output Module
Allen-Bradley 1738-OB8EM12 ArmorPoint Digital Output Module
Brand/Manufacturer: Allen-Bradley
Order Number: 1738-OB8EM12
Type:
Country of Origin: USA
Condition: Original Brand
Lead Time: Available in stock
Payment Term: 100% TT In Advance
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Description
The Allen-Bradley 1738-OB8EM12, also cataloged as the 1738-OB8E Digital Output Module, operates as a dedicated hardware component for discrete load switching and actuator control within Allen-Bradley ArmorPoint systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1738-OB8EM12 |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 1.31 lbs (0.60 kg) |
| Dimensions | 120 mm x 72 mm x 42 mm |
| Operating Temp | -20 to 60 deg C (-4 to 140 deg F) |
| Power Consumption | 75 mA max @ 5 VDC (PointBus current) |
| Output Channels | 8 non-isolated sourcing outputs |
| Operating Voltage Range | 10 to 28.8 VDC |
| On-State Current | 1.0 A max per channel, 1.0 mA min per channel |
| Off-State Leakage Current | 0.5 mA max |
| On-State Voltage Drop | 0.2 V max |
| Power Dissipation | 2.0 W max @ 28.8 VDC |
| Thermal Dissipation | 6.8 BTU/hr max @ 28.8 VDC |
| Isolation Voltage | 50 V continuous |
| Enclosure Rating | Meets IP65/66/67 (when marked) |
Deterministic Ethernet/IP Networks and I/O Density Scaling
- EtherNet/IP Deterministic Networks: Receives discrete control commands from fieldbus adapters over the local PointBus backplane, executing output logic states without network transmission latency.
- I/O Density Scaling: Integrates 8 electronically protected sourcing output channels into an IP 65/66/67 machine-mount form factor using M12 micro connections, maximizing local point density in washdown control applications.
- Firmware Flash Compatibility: Maintains synchronized execution profiles and real-time operational feedback via LED indicators for output status, module health, and network connectivity.
Frequently Asked Questions
Q: What is the maximum load current capacity supported per channel on the 1738-OB8EM12? A: The module supports up to 1.0 A maximum on-state output current per individual channel across an operating voltage range of 10 to 28.8 VDC.
Q: What PointBus backplane power current is consumed by the 1738-OB8EM12 module? A: The internal logic circuits draw a maximum of 75 mA at 5 VDC from the PointBus power rail.
Q: What visual diagnostics are provided directly on the 1738-OB8EM12 physical enclosure? A: The front panel includes yellow/red output status LEDs for channel state and fault detection, alongside green/red status LEDs for module and network link condition.
Field Installation Guidelines
- Mount the sealed module housing directly to equipment framework using appropriate mechanical fasteners, ensuring flat surface contact to preserve IP 65/66/67 ingress sealing.
- Connect actuator lines via M12 micro cable assemblies. Hand-tighten coupling rings to standard torque limits to ensure water and dust exclusion.
- Separate 24 VDC output load cabling from heavy AC electrical lines to reduce inductive coupling and transient noise.
- Confirm total field supply voltage remains within the 10 to 28.8 VDC operating range prior to energizing output load circuits.
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Testimonials
Fast Delivery, Excellent Quality
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
Reliable Partner for Original Parts
Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Professional Service with After-Sales Support"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
Trusted Source for Industrial Automation Spares
We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson
We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson