Allen Bradley 1734-ACNR Specification
| Manufacturer | Allen-Bradley | Product Type | POINT I/O ControlNet Adapter Module |
| Network Type | ControlNet | Country of Origin | USA |
| Communication Rate | 5 Mbps (Fixed) | Input Voltage | 24V DC nominal (10...28.8V DC range) |
| POINTBus Output Current | 1A maximum @ 5V DC | Module Capacity | Maximum 63 POINT I/O modules |
| Network Connections | Dual coaxial (BNC connectors for media redundancy) | Mounting Type | DIN rail (horizontal or vertical orientation) |
Allen Bradley 1734-ACNR Features
1734-ACNR Allen Bradley Dual-Channel Media Redundancy: Dual coaxial BNC ports allow active channel switching to prevent downtime from broken cables.
1734-ACNR Allen Bradley Deterministic ControlNet Communication: Operates at a fixed 5 Mbps to guarantee predictable, time-critical data delivery.
1734-ACNR Allen Bradley High Node Scalability: Supports the connection of up to 63 individual POINT I/O modules on a single adapter node.
1734-ACNR Allen Bradley Flexible Connection Handling: Manages up to 25 direct connections and 5 rack-optimized connections simultaneously.
1734-ACNR Allen Bradley Integrated Power Supply: Converts 24V DC input into isolated 5V DC power (1A max) for the POINTBus backplane.
1734-ACNR Allen Bradley Reverse Polarity Protection: Built-in protection prevents internal component damage from accidental reverse wiring.
Allen Bradley POINT I/O ControlNet Network Adapter Module Removable Terminal Block (RTB): Detachable field-wiring design enables fast hardware replacement without rewiring signals.
Allen Bradley POINT I/O ControlNet Network Adapter Module Space-Saving Footprint: Compact, open-style module snaps directly onto standard DIN rails to save cabinet space.
Allen Bradley POINT I/O ControlNet Network Adapter Module On-Board Diagnostics: Features 6 front-facing LED status indicators for real-time network and power troubleshooting.
If you want to more details about Allen Bradley 1734-ACNR，please contact me without hesitate. Email：sales@sparecenter.com
Allen Bradley 1734-ACNR Application
Allen Bradley POINT I/O ControlNet Network Adapter Module Time-Critical Assembly Lines: Deployed in high-speed manufacturing environments that require deterministic data delivery for strict, repeatable cycle times.
Allen Bradley POINT I/O ControlNet Network Adapter Module High-Availability Process Plants: Used in continuous-run operations (like water treatment or paper mills) where media redundancy prevents complete system shutdowns during physical cable failures.
Distributed Remote Terminal Panels: 1734-ACNR Allen Bradley acts as a remote drop adapter in massive warehouse or conveyor setups, reducing localized wiring footprints by centralizing communication back to a main chassis.
Synchronized Motion Coordination: Facilitates real-time, predictable scheduling between master controllers and localized high-speed counter modules.
Dense Analog Monitoring: Implemented in oil, gas, and chemical storage hubs to combine up to 63 analog temperature or pressure loops onto a single network node.
Harsh Industrial Cabinet Nodes: Tailored for Pollution Degree 2 environments requiring space-conscious DIN-rail enclosures and localized LED troubleshooting.
Hazardous Area Deployments: Suitable for basic Zone 2 explosive gas environments when proper compliance enclosures and protective electrical parameters are maintained.
Allen Bradley 1734-ACNR Images
Allen Bradley 1734-ACNR
Allen Bradley 1734-ACNR
1734-ACNR Allen Bradley
1734-ACNR Allen Bradley
Allen Bradley 1734-ACNR FAQ
Q: What is the primary function of the Allen-Bradley 1734-ACNR in an automation system?
A: The 1734-ACNR functions as a communication interface adapter that connects up to 63 POINT I/O expansion modules to a ControlNet network, transmitting backplane data back to a central Logix controller.
A: The 1734-ACNR functions as a communication interface adapter that connects up to 63 POINT I/O expansion modules to a ControlNet network, transmitting backplane data back to a central Logix controller.
Q: Does the 1734-ACNR support network media redundancy?
A: Yes, the 1734-ACNR features dual coaxial BNC network ports (Channel A and Channel B) which provide active media redundancy by automatically switching communication paths if one cable is damaged.
A: Yes, the 1734-ACNR features dual coaxial BNC network ports (Channel A and Channel B) which provide active media redundancy by automatically switching communication paths if one cable is damaged.
Q: What is the maximum number of I/O connections supported by a single 1734-ACNR module?
A: A single 1734-ACNR module can handle up to 25 direct connections for specialty or analog modules, and up to 5 rack-optimized connections for digital I/O modules.
A: A single 1734-ACNR module can handle up to 25 direct connections for specialty or analog modules, and up to 5 rack-optimized connections for digital I/O modules.
Q: Can the 1734-ACNR supply power to all 63 expansion modules on its backplane?
A: No, the built-in power supply of the 1734-ACNR provides a maximum of 1A current at 5V DC to the POINTBus; expanding to the full 63-module capacity requires adding supplementary 1734-EP24DC power modules.
A: No, the built-in power supply of the 1734-ACNR provides a maximum of 1A current at 5V DC to the POINTBus; expanding to the full 63-module capacity requires adding supplementary 1734-EP24DC power modules.
Q: What is the fixed communication rate of the 1734-ACNR over ControlNet?
A: The 1734-ACNR operates at a fixed network communication speed of 5 Mbps, which ensures highly deterministic and predictable data throughput for time-critical industrial processes.
A: The 1734-ACNR operates at a fixed network communication speed of 5 Mbps, which ensures highly deterministic and predictable data throughput for time-critical industrial processes.
Q: Is the 1734-ACNR protected against incorrect field power wiring?
A: Yes, the 1734-ACNR includes integrated reverse polarity protection circuitry, which prevents damage to the internal electronics if the 24V DC input power leads are accidentally swapped.
A: Yes, the 1734-ACNR includes integrated reverse polarity protection circuitry, which prevents damage to the internal electronics if the 24V DC input power leads are accidentally swapped.
Q: What is the official lifecycle status of the 1734-ACNR as defined by Rockwell Automation?
A: The 1734-ACNR has reached End-of-Life (EOL) status and is scheduled to be discontinued after March 31, 2027; users are advised to plan migrations to the EtherNet/IP-compatible 1734-AENTR adapter.
A: The 1734-ACNR has reached End-of-Life (EOL) status and is scheduled to be discontinued after March 31, 2027; users are advised to plan migrations to the EtherNet/IP-compatible 1734-AENTR adapter.
Q: How do the onboard LED indicators assist engineers during 1734-ACNR troubleshooting?
A: The 1734-ACNR provides 6 distinct front-panel status LEDs that isolate faults by displaying the real-time operational status of the module, the POINTBus backplane, both ControlNet channels, and the field power lines.
A: The 1734-ACNR provides 6 distinct front-panel status LEDs that isolate faults by displaying the real-time operational status of the module, the POINTBus backplane, both ControlNet channels, and the field power lines.
Other Module
| 1785-L60B | 1756-L64 |
| 1756-CN2 | 1756-L65 |
| 1746-IB32 | 1756-L71S |
| 1756-IF16 | 1756-L72 |
| 1747-BA | 1756-LSC8XIB8I |
| 1771-OBD | 1756-LSP |
| 1203-GD1 | 1756-OB16D |
| 1746-HT | 1756-OF6VI |
| 1746-IB16 | 1756-PA75R |
| 1746-IH16 | 1756-PB75 |
| 1746-IO8 | 1756-RIO |
| 1746-IV16 | 1756-RMC3 |
| 1746-NI8 | 1756SC-IF8H |
| 1746-NIO4I | 1757-SRM |
| 1746-OB32 | 1768-EWEB |
Contact Us
Email: sales@sparecenter.com
