Generic ASCII Ethernet Communications Module

MVI71-GEC

The MVI71 Generic ASCII Ethernet Interface module is designed to allow PLC processors to interface easily with ASCII devices using the TCP/IP protocol and the PLC processor. Compatible devices may be either ASCII instruments with Ethernet built-in or Ethernet connection via a thin server to the existing ASCII device.

Features and Benefits

Five servers and clients are present on the module permitting both the reception and transmission of data between the Rockwell Automation processor and attached devices.

The MVI71-GEC module is a powerful communication interface for PLC platform processors. Developed under license from Rockwell Automation, the module incorporates proprietary backplane technology that enables powerful data access between the module and the PLC processor.

General Specifications

• Single Slot - 1771 backplane compatible
• The module is recognized as an Input/Output module and has access to processor memory for data transfer between processor and module
• Ladder Logic is used for data transfer between module and processor. Sample ladder file included.
• Configuration data obtained from configuration text file downloaded to module. Sample configuration file included.

Applications

The use of the TCP/IP protocol with Ethernet at the device level on the plant floor is becoming widespread in many industry segments. Using the MVI71-GEC the advantage of Ethernet speed is realized while allowing greater distances between networked devices.

• Bar code scanner interfaces
• Weigh scale interfaces
• Legacy ASCII protocol connections
• Terminal port emulation
• Printer driver (alarm/status printer)

Functional Specifications

• Five Servers and Clients to receive and/or transmit data
• 10/100MB Ethernet-compatible interface
• Configurable parameters
  • Service port number
  • Connection timeout
  • Close type
• Simple ladder logic operation
• Setup and monitoring through RS-Logix 5 software and user-constructed configuration file (GEC.CFG)
• PLC backplane interface via I/O access
• Each Server monitors
  • State
  • IP and port number of connected Client
  • Error codes
• Each Client monitors
  • State
  • IP and port number of connected Server
  • Message related parameters
• ASCII character strings up to 2048 characters in length supported
• Full hardware handshaking control, providing radio, modem, and Multidrop support
• Memory usage is completely user-configurable, supporting the storage and transfer of up to 4000 bytes to/from the control processor
• Module error and status conditions returned to processor for diagnostic purposes
  • Module status
  • Port error status word (bit mapped)
  • Port receive state
  • Port receive character count
  • Port receive block count
  • Port transmit state
  • Port transmit character count
  • Port transmit block count

Hardware Specifications

Ordering Information

Distributors:
Place your order by email to orders@prosoft-technology.com:, fax to +1 661-716-5101.

Sales and Support: