Allen-Bradley Communication Modules Parts
Network • 23 parts available
Industrial networking hardware connects controllers, drives, and HMIs. This category includes Stratix switches and related communication products.
Featured Communication Modules in stock
High-value Milwaukee inventory matched to this product line.
| Part Number | Description |
|---|---|
| 1784-U2DHP | Allen Bradley 1784-U2DHP Ser A USB to Data Highway Plus DH+ Adapter 1784U2DHP · Used · $1,249.99 USD |
| 1788-EN2PAR | Allen-Bradley 1788-EN2PAR /B EtherNet/IP to PROFIBUS PA Linking Device +Warranty · Seller refurbished · $7,499.99 USD |
| 1784-CF128 | 1784CF128 Logic 556x Industrial CompactFlash Card 128MB |
| 1784-CF64 | Card Non-Volatile Memory Flash Permanently Store a Program and Tag Data on a Controller |
| 1784-KT | Data Highway Plus XT/AT Interface Module ISA/EISA, allows personal computers, workstations or terminals to... |
| 1784-KTCX15 | Communication Interface Lets a 16-bit ISA or 32-bit EISA PC Communicate on ControlNet |
| 1784-KTX | Communication Interface Card Interfaces Between 16-BIT ISA/EISA-BUS PC and Programmable Controllers |
| 1784-KTXD | Communication Interface Card Interfaces Between Workstation and Processors on Multiple Networks Simultaneous |
| 1784-PCC | ControlNet PC Communication Interface Card, PCMCIA |
| 1784-PCD | DeviceNet PCMCIA Communication Interface Card for PC, provides interfaces between a computer and a DeviceNet network |
| 1784-PCIC | ControlNet PCI Bus Messaging Card, provides ControlNet monitoring and configuration capabilities |
| 1784-PCICS | ControlNet PCI Bus I/O Bridge messaging Card, ControlNet monitoring and configuration capabilities |
| 1784-PCIDS | DeviceNet Universal PCI I/O Scanner Card, povides DeviceNet Monitoring, Configuration, and I/O Scan capabilities |
| 1784-PCM5 | PLC Adapter Cable Assembly 9 Pin in D in Shell w/1784-CP7 Adapter |
| 1784-PKTX | Communication Interface Card Data transmision management and local network diagnostics for PLC-5 processors over DH+... |
| 1784-PKTXD | 1784-PKTXD PCI Bus Communication Card with 2*DH+/RIO & DH-485 |
| 1784-SD1 | Card Non-Volatile Memory Flash Permanently Store a Program and Tag Data on a Controller |
| 1784-SD2 | 2GB Secure Digital Card Ser A Plc And Dcs Parts And Accessory |
| 1784-U2CN | PLC Adapter Cable Assembly Connects Microsoft Windows-Based Computer with a USB Interface |
| 1788-CNCHKR | Allen-Bradley - 1788-CNCHKR |
| 1788-EN2DN | EtherNet/IP to DeviceNet Linking Device, 24V DC |
| 1788-EN2DNR | 1788-EN2DNR EtherNet/IP to DeviceNet Communication Module, DLR |
| 1788-EN2FFR | Networks and Communication Products, Redundant EtherNet/IP to Foundation Fieldbus (H1) Liking Device |
Communication Modules buying & repair guidance
Use the catalog string from the nameplate when ordering or quoting. Need a hand? Contact us or request a quote.
Common Communication Modules failures
- Port failures and intermittent link flaps
- Power supply issues on managed switches
- Firmware corruption after interrupted updates
- Configuration loss after battery or NVRAM faults
Seeing these symptoms? Repair services or search in-stock replacements.
Series & revision differences
Managed vs unmanaged, PoE, and CIP features differ by catalog. Keep the same Stratix family when preserving switch config and ring topology.
Confirm the full catalog and series before you buy. Condition & authenticity · Quote a specific series
Repair vs replace
Repair is useful for port or PSU faults on current models. Replace when security features or port counts no longer meet the plant network standard.
Start a repair quote · Request a replacement quote · Search all inventory
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