The Allen-Bradley 1785-V40B, part of the enhanced PLC-5 series, is a versatile Programmable Logic Controller designed for integration within VMEbus systems, allowing seamless communication with various VMEbus CPU and I/O modules. Designed without an EEPROM memory module, it offers user memory of 48,000 words and supports extensive input/output capabilities with up to 1920 analog and digital I/O connections. The device features a robust set of communication options, including an optically coupled RS-232 serial port and multiple configurable channels supporting Data Highway Plus (DH+) modes, ensuring flexible and efficient data exchange.
Technical specifications for 1785-V40B
Manufacturer
Rockwell Automation
Brand
Allen-Bradley
Part Number/Catalog No.
1785-V40B
Module Type
Processor
Max Total I/O
1920
Analog I/O
1920
DH+/Remote I/O Channels
Yes (4)
RS-232-C Channel
Yes
Number of Words
48 Kilowords SRAM
Backplane Requirement
2.5 Amperes at 5 Volts DC
Max Analog I/O
3072
I/O Scan Time Per Rack
10 ms at 57.6 kbits/s, 7 ms at 115.2 kbits/s, 3 ms at 230.4 mbits/s
