Rockwell Automation Prosoft ControlLogix MVI56-BAS

BASIC Communication Module

MVI56-BAS

This single-slot module is a powerful solution that allows the large installed base of legacy BASIC programs for the 1771-DB and 1747-BAS modules to be migrated to the ControlLogix platform with minimal effort.

DF1 Communications

PRT2 can be enabled and configured for DF1 Communications through BASIC calls

Uses ladder logic to transfer data between the DF1 device and the ControlLogix processor

PRT2 port can be configured to act as a full-duplex device or half-duplex slave

Functional Specifications of MVI56-BAS

The BASIC programs are stored in the MVI56-BAS Compact Flash disk allowing the user to easily backup the BASIC programs to another Compact Flash disk or to a local PC. Up to 24065 Bytes of RAM are available.

The MVI56-BAS can send the following DF1 commands:

DH-485: DH-485 communication or BASIC program transfer

PRT1: ASCII communication or program port

PRT2: ASCII communication or DF1 communication

PLC-2 unprotected READ command

PLC-2 unprotected WRITE command

PLC-3 word range READ command

PLC-3 word range WRITE command

PLC-5 typed READ command

PLC-5 typed WRITE command

The MVI56-BAS accepts the following commands:

PLC (word range writes)

PLC (typed writes)

PLC (unprotected write)

SLC 5/02 (unprotected write)

SLC 5/02 (typed writes)

DH-485 Communications

The MVI56-BAS DH-485 port can be used to interface the ControlLogix processor with DH-485 Devices Rockwell Automation AIC+ device is required (user-supplied) Ladder logic is required to transfer data between the ControlLogix processor and remote data file or common interface file.