PLC-5 VME Processor 1785-V40V Allen-Bradley VMEbus

Product Overview

The Allen-Bradley 1785-V40V is a PLC-5 VME processor that brings enhanced PLC-5 control functionality into the VMEbus environment. It operates as a master or slave on the VMEbus while providing standard PLC-5 processing, memory and I/O capabilities for open automation systems.

Technical Specs

• Type: PLC-5 VME Processor (V40 class)
• Memory: Approximately 48K words PLC-5 user memory + VME RAM
• Max I/O: Up to 1920 points (any mix or complementary)
• Max analog I/O: 1920
• Bus: Fully compliant VMEbus (C.1 specification)
• Backplane current: Approx. 4 A at 5 V DC
• Power: Up to 21 W
• Operating temperature: 0 °C to 65 °C

Key Features

• Integrates PLC-5 logic with VMEbus systems
• Supports master or slave VME operation
• High I/O capacity suitable for complex control applications
• Battery-backed memory and standard PLC-5 instruction set

FAQ

• Bus type? VMEbus.
• Memory? ~48K PLC-5 words class.
• I/O capacity? Up to 1920 points.

Installation Guide

1. Install the processor into a compatible VME chassis slot.
2. Configure VME address and mode (master/slave) as required.
3. Connect any remote I/O or communication links.
4. Load the application program using compatible programming software.
5. Verify VME bus communication and PLC-5 processor status.

Selection Tips

• Choose for hybrid systems requiring both PLC-5 control and VMEbus integration.
• Confirm VME chassis compatibility and power budget.
• Useful in open automation and specialized industrial computer platforms.