The Allen-Bradley 1794-ACNR15 FLEX I/O™ ControlNet Adapter serves as the communication backbone for distributed I/O systems, enabling deterministic data exchange across industrial networks. Designed for Rockwell Automation’s FLEX platform, this module bridges local 1794 I/O modules to ControlLogix® processors using high-speed ControlNet™ (CIP Network) protocol. Its hardened aluminum housing (-40°C to +70°C) features IP20 protection (upgradeable to IP65 with kit) and withstands 5g vibration per IEC 60068-2-6. With dual BNC ports supporting trunk-line redundancy, it achieves ≤2ms cycle times for real-time control. Key features include node-level diagnostics (LED status indicators for network health), electronic keying, and auto-baud rate detection for plug-and-play operation with Studio 5000®.
Core performance parameters:
Demanding industrial networks:
Operational excellence drivers:
Advanced network management:
Attribute | Specification |
---|---|
Product Series | FLEX I/O™ |
Module Type | ControlNet Communication Adapter |
Function | Interfaces FLEX I/O modules with ControlNet networks |
ControlNet Ports | 2 (BNC connectors for daisy-chaining; 50Ω termination) |
Data Transfer Rate | 5 Mbps (fixed) |
Node Address Range | 1-99 (software-configurable) |
I/O Capacity | Supports up to 30 FLEX I/O modules (max 256 I/O points) |
Backplane Current Supply | 850 mA @ 5V DC (for connected I/O modules) |
Update Time | Configurable RPI (Requested Packet Interval): 2-750 ms |
Deterministic I/O | Supports scheduled I/O transfers for real-time control |
Network Media | RG-6 coaxial cable (recommended Belden 9463) |
Max Cable Distance | 1,000 m (3,280 ft) per segment with repeaters |
Max Nodes per Segment | 48 devices |
Isolation | 1500V AC (field-to-logic) |
Status Indicators | <u>Module LEDs:</u> • OK (Green/Red) • CNET A/B (Green/Red) • MOD (Green) • I/O (Green) |
Connection Type | 10-pin removable terminal block (1794-TB3 series) for I/O power |
Power Requirements | 24V DC (19.2-30V DC): • 100 mA typical (logic) • 1.2A max (I/O power pass-thru) |
Operating Temperature | -20°C to 60°C (-4°F to 140°F) |
Certifications | UL, CE, c-UL, ATEX/IECEx Zone 2, Class I Div 2 |
Compatibility | • Controllers: ControlLogix®, CompactLogix™ • Software: RSNetWorx® for ControlNet, Studio 5000® • I/O Modules: All 1794 FLEX I/O™ modules |
Dimensions (H x W x D) | 87 mm x 35 mm x 80 mm (3.43 in x 1.38 in x 3.15 in) |
Weight | 200 g (0.44 lb) |
Firmware Updates | Flash-upgradable via ControlNet |
Packaging & Shipping
Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
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