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ControlLogix DH+/Remote I/O Module 1756-DHRIO (discontinued)
| Rockwell lifecycle status | Discontinued 31/12/2024 (read on 25 September 2026) |
|---|---|
| Replacement | Rockwell names no catalog number |
The Rockwell product page lists the category Engineering Replacement but names no catalog number; the migration direction is moving the DH+/Remote I/O network to EtherNet/IP.
Key data
| Ports | 2 channels; each channel set to DH+ or Remote I/O |
|---|---|
| Speed | 57.6 / 115.2 / 230.4 Kbps |
| Remote I/O | Scanner only; 32 logical rack connections and 16 block-transfer connections per channel |
| Max connections | 32 |
| Current draw | 850 mA @ 5.1 V DC |
| Cable | Belden 9463 twinaxial |
| Replacement category | Engineering Replacement |
Lifecycle status changes over time: confirm the current status on the Rockwell product page or in the Product Compatibility and Download Center before ordering.
Related technical articles
- PLC-5 to ControlLogix Migration: Converting the Program, Keeping or Replacing 1771 I/O, and What the Tool Won't Do
- Upgrade Paths for Legacy Allen-Bradley Systems: SLC 500, MicroLogix, 1768, PanelView, FLEX I/O, ControlNet
Related services: Lifecycle review and spare parts Rockwell Automation upgrades ControlLogix in TDL Projects
Other catalog numbers in this family: Legacy ControlLogix (1756)
1756-ENBT 1756-IF6I 1756-IT6I 1756-IR6I 1756-OF6CI 1756-L61 1756-L62 1756-L63 1756-L64 1756-L65 1756-CNB 1756-CNBR 1756-RIO
Sources
- Rockwell Automation, Rockwell product page 1756-DHRIO — read on 25 September 2026
- Rockwell Automation, 1756-TD003R — p. 18–19
- Rockwell Automation, 1756-UM514C — p. 15
- Rockwell Automation, rockwellautomation.com product page