MVI56-GSC PROSOFT

MVI56-GSC PROSOFT Multi-Function Processor Module

Product  Description：

The ProSoft MVI56-GSC is a Generic ASCII Serial Communication Module designed to be installed directly into the Rockwell Automation ControlLogix (1756) backplane. Its primary function is to allow the ControlLogix processor to communicate with a wide range of devices that use non-specific ASCII character text strings or serial byte streams, effectively bridging the gap between the ControlLogix platform and older or proprietary serial protocols.

Product Specifications

• Platform Compatibility: Single-slot, 1756 ControlLogix backplane compatible.

• Communication Ports: Features two independent, fully configurable serial communication ports (P1 and P2).

• Serial Port Type: Each port is software-configurable for RS-232, RS-422, or RS-485 standards.

• Isolation: Provides 500V optical isolation from the backplane.

• Data Rates (Baud): Supports a wide range of baud rates, typically from 110 baud up to 115.2 kbps.

• Data Parameters: Configurable for various serial parameters:

  • Parity: None, Odd, or Even

  • Data Bits: 5, 6, 7, or 8

  • Stop Bits: 1 or 2

• Protocol Support: Primarily designed for Generic ASCII communication, it can also support protocols like MODBUS ASCII and DF1 (depending on firmware/configuration).

• Backplane Current Load: Typically $800 \text{ mA}$ at $5 \text{ VDC}$ and $3 \text{ mA}$ at $24 \text{ VDC}$.

• LED Indicators: Includes LEDs for Module Status (OK), Application Status (APP), and serial activity (RX/TX) for each port. (Note: The MVI56E-GSC, the enhanced version, adds a scrolling alphanumeric display for more detailed diagnostics.)

Product Advantages

• Seamless ControlLogix Integration: The module uses licensed backplane technology, appearing as a standard I/O module to the ControlLogix processor. This simplifies configuration and data transfer using RSLogix 5000 (now Studio 5000) through sample ladder logic or Add-On Instructions (AOIs).

• Offloads Processor: By handling the complex serial communication, the module frees up the main ControlLogix processor from managing bit-level serial data processing, allowing the PAC to focus on its primary control tasks.

• Versatile Connectivity: The ability to configure both ports independently for RS-232, RS-422, or RS-485, along with flexible data rate and parameter settings, ensures compatibility with a vast range of field devices.

• Multi-Drop and Handshaking Support: Includes support for full hardware handshaking control, which is essential for communication with radios, modems, and multi-drop networks.

Important Considerations (Precautions)

• Discontinued Status: The MVI56-GSC is a discontinued/legacy product and has been replaced by the enhanced version, MVI56E-GSC. New installations should use the newer 'E' series for better support, diagnostics, and future compatibility.

• Hazardous Locations: For installations in hazardous locations (e.g., Class I, Division 2), power must be turned off before replacing or rewiring the module to prevent explosion hazards.

• Enclosure Requirement: These products are typically intended to be mounted within a suitable enclosure (often specified as IP54) to protect them from excessive dust and moisture.

• Battery Backup: The module uses a rechargeable battery to back up the real-time clock and CMOS settings. If the module is left unpowered for an extended period (e.g., 14 to 21 days), the battery may discharge, and the module must be placed in a powered chassis for up to 24 hours to recharge fully.

• Configuration: Proper configuration of the serial communication parameters (baud rate, parity, etc.) is critical to successfully establishing communication with third-party devices.

Product Applications

The MVI56-GSC is a key component for integrating serial devices into the ControlLogix architecture in various industrial settings.

• Instrumentation and Measurement: Communicating with sensors, weigh scales, barcode readers, analytical instruments, and gas chromatographs that utilize non-standard ASCII data formats.

• Legacy Device Integration: Providing a way to interface with older or proprietary equipment that only offers serial communication (RS-232/422/485) and cannot be directly connected via EtherNet/IP or other modern industrial protocols.

• Printers and Displays: Sending real-time production data or reports to serial printers, display boards, or message centers.

• Radio and Telemetry: Supporting communications over long distances or wireless networks (via modems or radios) using the serial ports for data collection in remote applications like water/wastewater or oil and gas fields.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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