Description

The PROSOFT MVI56-PDPS is a PROFIBUS DP Slave communication module developed by ProSoft Technology (Fortive) for Rockwell Automation ControlLogix systems. This specialized interface enables seamless data exchange between Allen-Bradley PLCs and PROFIBUS DP Master devices (e.g., Siemens PLCs, drives, I/O) within industrial networks. Operating as an intelligent coprocessor in the ControlLogix chassis, the MVI56-PDPS handles real-time protocol translation independently, freeing the main processor for critical control tasks. It supports PROFIBUS DP-V0/V1 specifications, including diagnostics, acyclic communication, and alarm handling. With dual-port isolation (1,500 VAC) and surge protection, the PROSOFT MVI56-PDPS ensures signal integrity in electromagnetically harsh environments like motor control centers or foundries. Its hot-swappable design allows maintenance without system shutdown, essential for continuous production lines and process safety systems.

PROSOFT MVI56-PDPS

Technical Specifications

Main Features and Advantages

Deterministic performance: The PROSOFT MVI56-PDPS delivers cycle times as low as 1 ms with 12 Mbps baud rate, meeting real-time control requirements for high-speed machinery. Its FPGA-based architecture processes PROFIBUS telegrams without CPU intervention, eliminating scan cycle delays.

Advanced diagnostics: Onboard LEDs and embedded web server provide real-time monitoring of node status, telegram errors, and signal quality. Buffer capture tools log communication faults for root-cause analysis, while GSD file (GSDML) simplifies integration with any PROFIBUS master.

Flexible data mapping: Tag-based configuration in Studio 5000 allows direct mapping of ControlLogix arrays to PROFIBUS input/output modules. Supports automatic address translation and failsafe mode for critical shutdown logic. The module’s galvanic isolation prevents ground loops, protecting controllers from electrical noise in steel mills or substations.

Application Field

The PROSOFT MVI56-PDPS integrates Rockwell and Siemens ecosystems across hybrid manufacturing environments. Automotive plants use it to connect Allen-Bradley safety PLCs to Siemens robotic workcells for coordinated motion control. In pharmaceutical packaging lines, it synchronizes Rockwell HMIs with Bosch Rexroth servo drives via PROFIBUS.

Water treatment facilities deploy the MVI56-PDPS to interface ControlLogix with legacy flowmeters and analyzers. Power generation applications include gas turbine control, where it bridges Woodward governors and Rockwell DCS. For material handling, the module enables PROFIBUS-based barcode scanners to feed data into PlantPAx systems.

Related Products

MVI56-PDPM: PROFIBUS DP Master module for ControlLogix.

MVI56E-PDPS: PROFINET IO-Device module with Ethernet/IP.

MVI46-PDPS: CompactLogix variant for space-constrained panels.

MVI71-PB: PROFIBUS module for CompactLogix L4x controllers.

ILX56-PROFIBUS: Standalone gateway for non-backplane installations.

MVI56-DNP: DNP3 protocol module for utility SCADA systems.

Installation and Maintenance

Pre-installation preparation: Confirm slot compatibility in ControlLogix chassis (v15+ firmware). Install GSDML file in Siemens STEP 7/TIA Portal. Configure PROFIBUS address via rotary switches before power-up. Use shielded twisted-pair cables with proper bus termination.

Maintenance recommendations: Monitor PROFIBUS signal quality quarterly via diagnostics web page. Update firmware using ProSoft Configuration Builder during planned downtime. Replace the MVI56-PDPS if diagnostics indicate persistent CRC errors or voltage fluctuations.