16 in stock
1791ES-IB8XOBV4 | Allen-Bradley CompactBlock Guard I/O Module
1791ES-IB8XOBV4 | Allen-Bradley CompactBlock Guard I/O Module
Brand/Manufacturer: Allen-Bradley
Order Number: 1791ES-IB8XOBV4
Type: Safety I/O Modules
Country of Origin: USA
Condition: Original Brand
Lead Time: Available in stock
Payment Term: 100% TT In Advance
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Description
The 1791ES-IB8XOBV4 is a 24 VDC EtherNet/IP CIP Safety I/O module in the Allen-Bradley CompactBlock Guard I/O family. Designed for safety-critical machine control systems, it features 8 sink/source safety inputs and 4 dual-channel bipolar outputs rated at 250 mA. The module communicates using CIP Safety over EtherNet/IP, allowing seamless integration with GuardLogix safety controllers to execute safety functions up to SIL 3 / PLe.
Safety Input and Bipolar Output Structure
The 1791ES-IB8XOBV4 provides 8 individually isolated safety inputs that can be wired for single-channel or dual-channel safety devices such as emergency stops, safety light curtains, and door interlocks. On the output side, it incorporates 4 dual-channel safety outputs utilizing a bipolar configuration (current sourcing and current sinking pair per output channel). This arrangement continuously monitors for short circuits and cross-faults, ensuring rapid shutdown during fault conditions.
CIP Safety Communication and Configuration
EtherNet/IP integration allows safety data and standard diagnostics to share a single network connection, eliminating dedicated safety buses. The module supports Safety Network Numbers (SNN) and Safety Task execution via Studio 5000 Logix Designer. Built-in test pulse outputs verify line integrity to field inputs, while front-panel status LEDs indicate network connectivity, module health, input states, and output fault status.
| Parameter | Specification |
|---|---|
| Model | 1791ES-IB8XOBV4 |
| Brand | Allen-Bradley / Rockwell Automation |
| Product Type | CompactBlock Guard I/O Module |
| Series | CIP Safety Guard I/O |
| Safety Level | SIL 3 (IEC 61508), PLe (ISO 13849-1), Cat 4 |
| Safety Inputs | 8 isolated safety inputs (sink/source) |
| Safety Outputs | 4 dual-channel bipolar outputs |
| Output Rating | 250 mA per channel |
| Nominal Voltage | 24 VDC (11 to 28.8 VDC range) |
| Communication Protocol | EtherNet/IP (CIP Safety) |
| Weight | 1.10 lbs (0.50 kg) |
Frequently Asked Questions
Q: What makes the bipolar output configuration on the 1791ES-IB8XOBV4 safer than standard outputs? A: Bipolar outputs control both the 24 VDC positive side (sourcing) and the 0 VDC return side (sinking) of the load. This dual-switching scheme prevents short-to-ground or short-to-power faults from energizing safety actuators accidentally.
Q: Can standard non-safety inputs be wired to the 1791ES-IB8XOBV4? A: Yes, standard non-safety field devices can be connected to the inputs, but safety signals processed through CIP Safety logic will execute at the configured safety integrity level.
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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
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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
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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.
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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