Description
Key Technical Specifications
- Product Model: MVI56-PDPS
- Manufacturer: ProSoft Technology
- Product Series: ProSoft inRAx PROFIBUS DP Slave
- Module Type: PROFIBUS DP Slave Communication Module
- Platform: Allen-Bradley ControlLogix (1756 Backplane)
- Comm Format: Data-INT
- Input Size: 250 Words
- Output Size: 248 Words
- Configuration Size: 0 Words
- Software: ProSoft Configuration Builder (PCB) & RSLogix 5000
Functional Positioning & Application Analysis
The MVI56-PDPS is a specialized communication bridge designed to integrate PROFIBUS DP slave devices directly into an Allen-Bradley ControlLogix PLC system. Its primary role is to solve the interoperability challenge when your core control logic resides in a Logix controller, but critical field devices like VFDs, motor starters, or distributed I/O only speak PROFIBUS. This module acts as a transparent slave on the PROFIBUS network, mapping data seamlessly into the ControlLogix backplane as standard I/O, eliminating the need for complex messaging instructions in your ladder logic.
- Scenario 1: Integrating European-manufactured motor drives or valve positioners into a US-standard ControlLogix control architecture, where the MVI56-PDPS handles all PROFIBUS protocol overhead.
- Scenario 2: Expanding a legacy PROFIBUS network with new ControlLogix controllers, using the MVI56-PDPS as a drop-in replacement for obsolete communication cards.
- Scenario 3: Water treatment or pumping stations where ABB drives and intelligent MCCs on a PROFIBUS segment need to be monitored and controlled by a central Logix PLC.
Quality Standards & Testing Process
We understand that a communication failure can halt an entire production line. Therefore, reliability is our non-negotiable baseline. Every MVI56-PDPS unit undergoes a rigorous verification protocol to ensure it performs exactly as specified in the OEM documentation:
- Visual & Physical Inspection: Comprehensive cleaning and examination of the backplane connector, PROFIBUS DB9 port, and internal PCBs to ensure no corrosion, bent pins, or physical damage.
- Benchtop Functional Test: Installation on a verified ControlLogix test rack to validate backplane communication, LED status indicators (OK, APP, BP), and power-up sequences.
- Protocol Validation: Connection to a PROFIBUS DP Master simulator to verify slave address assignment, data exchange integrity, and diagnostic response.
- Software Configuration Check: Loading a sample project in ProSoft Configuration Builder to confirm the module accepts configuration and reports correct status.
- Warranty Commitment: Only units passing all tests are released, backed by a 12-month functional warranty.
ProSoft MVI56-PDPS
Compatibility & Upgrade Path
To ensure the MVI56-PDPS integrates flawlessly with your existing ControlLogix infrastructure, our technical advisors recommend verifying the following critical parameters before procurement:
- Backplane Compatibility: Confirm your chassis is a standard 1756 series backplane; this module is not compatible with CompactLogix or older PLC-5 platforms without adapters.
- Slot & Addressing: Verify the physical slot number matches your RSLogix 5000 configuration; the module’s slot number is hardwired via backplane position and must match the
Local:1:I.Data[xxx]tag structure. - PROFIBUS Address: Ensure the slave address configured in ProSoft Configuration Builder does not conflict with other devices on the same PROFIBUS segment.
- Firmware/Configuration: If replacing an existing , export the configuration from the old module via PCB software before removal; this saves hours of reconfiguration.
- Professional Advice: Unsure about your PROFIBUS network topology or ControlLogix I/O mapping? Contact us immediately for a free technical review of your system architecture.
