- Model: MVI46-DFNT
- Brand: ProSoft Technology
- Series: MVI46 Communication Modules
- Core Function: DF1 serial device to ControlLogix backplane interface
- Type: In-rack communication module
- Key Specs: DF1 Full/Half Duplex; RS-232/422/485; ControlLogix chassis
- Condition: New Original (New Surplus), not refurbished
Product Introduction
ProSoft MVI46-DFNT is an in-rack communication module used to connect DF1 serial devices directly into Rockwell ControlLogix systems through the chassis backplane. It’s commonly deployed in brownfield upgrades where legacy serial equipment must remain online.
Engineers choose it to avoid external gateways and extra panel wiring. Dual configurable serial ports allow two devices per slot, and typical DF1 rates up to 115.2 kbps cover most PLC, drive, and meter integrations. Verify exact protocol mode and firmware in the OEM datasheet before deployment.
Key Selling Points & Differentiators
- In-rack architecture removes external gateway power and mounting
- Dual serial ports support two field devices per module (typical)
- Passed functional burn-in >24 hours; Test Report + photos available
- Versus external protocol converters: fewer failure points and cleaner panels
- Not recommended for EtherNet/IP-native devices; use Ethernet modules instead
- Protocol handling aligns with DF1 serial framing practices; verify Rockwell integration notes
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