Key Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | PR0S0FT 1454-9F |
| Manufacturer | ProSoft Technology |
| Protocol Translation | Allen-Bradley DH+ to Ethernet (TCP/IP) |
| Network Ports | 1x DH+ (Belden 9463 compatible), 1x RJ45 Ethernet |
| Max Baud Rate | 57.6 kbps (DH+ Side) |
| Node Capacity | Up to 62 nodes on DH+ network |
| Configuration Tool | ProSoft Configuration Builder (PCB) |
| Mounting Style | DIN Rail Mount |
| Power Supply | 24V DC |
| Operating Temperature | 0°C to 60°C |
Product Introduction
Bridging the gap between 1980s control networks and modern IT infrastructure is usually a headache. The PR0S0FT 1454-9F was designed to solve exactly that problem. It acts as a dedicated protocol translator, sitting on the DH+ highway and converting those old-school token-passing messages into standard Ethernet TCP/IP packets that modern SCADA systems and HMIs can easily digest.I’ve deployed dozens of these in water treatment plants and manufacturing facilities over the years. The real value here is that it doesn’t require a massive PLC upgrade to get your data online. It handles up to 62 nodes on the DH+ side at 57.6 kbps. Just be warned: configuring the routing tables in the ProSoft Configuration Builder (PCB) software can be tedious. Get your IP addresses and DH+ node IDs perfectly aligned before you ever power it up, or you’ll be staring at a blinking red fault LED for hours.
Quality SOP & Tech Pitfalls
The Lab Report:
Gateways are notorious for failing due to power surges on the Ethernet side. Every 1454-9F we sell goes through a rigorous bench test. We visually inspect the RJ45 and DH+ terminals for oxidation. Then, we wire it to a live DH+ simulator and an Ethernet switch to verify TCP/IP handshakes and packet translation. We check the 24V DC power draw with a Fluke meter to ensure the internal power supply isn’t sagging. Finally, it gets sealed in anti-static packaging.The Engineer’s Warning:
Do not mix up your DH+ cabling. This gateway requires proper Belden 9463 cable with the correct termination resistors. I once spent an entire weekend troubleshooting a ghost network drop, only to find out a previous tech had used standard Cat5e for the DH+ side. It caused intermittent signal reflections that drove the gateway crazy. Also, always take a photo of the DIP switches before pulling the old unit.
Installation & Configuration Guide
- Pre-Installation: ⚠️ POWER DOWN. Disconnect 24V DC power. Take a high-resolution photo of the old module’s DIP switch settings and wiring. Verify your Ethernet IP scheme and DH+ node ID assignments.
- Removal: Label the DH+ A/B wires and the Ethernet cable. Release the DIN rail clips and carefully slide the module off the rail.
- Installation: Match the DIP switch settings exactly to your photo. This prevents 90% of startup network conflicts. Seat the new 1454-9F onto the DIN rail and reconnect the DH+ and Ethernet cables.
- Power-On & Testing: Apply 24V DC. Watch the status LEDs. You should see a solid green power LED and a flashing green Ethernet link. Open your SCADA or HMI and attempt to poll a known DH+ tag to confirm data is flowing.
Compatible Replacement Models
| Replacement Model | Compatibility | Notes |
|---|---|---|
| PR0S0FT 1454-9F | ✅ Drop-in Replacement | Exact same hardware. Verify firmware revision matches your current setup. |
| ProSoft MVI56E-PDPS | ⚠️ Software Compatible | Newer Ethernet/IP platform. Requires reprogramming the routing logic in PCB. |
| ProLinx EXX-100 | ❌ Hardware Mod Required | Different form factor and configuration. Only use if doing a full network overhaul. |
Frequently Asked Questions (FAQ)
Can I just plug this in and expect it to work?
No. This is not a plug-and-play consumer router. You must configure the routing tables using the ProSoft Configuration Builder software, matching the DH+ node IDs and Ethernet IP addresses perfectly.What happens if the Ethernet cable gets unplugged while running?
The gateway will drop the TCP/IP connections, but it will continue to poll the DH+ network. Once the Ethernet link is restored, it will automatically attempt to re-establish the connections based on your PCB configuration.Why is my Ethernet LED solid red?
A solid red Ethernet LED usually means a duplicate IP address on the network or a severe configuration mismatch. Double-check your subnet mask and gateway settings in the configuration software.Are these modules actually new?
Since this is an obsolete part, true factory-sealed units are rare. We supply New Surplus or professionally refurbished units that have been fully tested on a live network. Always ask for the test certificate before purchasing.Can I use standard Cat5e cable for the DH+ port?
Absolutely not. The DH+ port requires shielded twisted pair cable specifically rated for Data Highway Plus (like Belden 9463). Standard Ethernet cable will cause signal reflections and intermittent communication failures.Does this gateway support CIP routing?
No. The 1454-9F strictly translates DH+ to raw TCP/IP. If you need CIP (Common Industrial Protocol) or EtherNet/IP, you need to look at the newer MVI56E series modules.







