1785-L20E/E Controller Allen-Bradley

Description

The Allen-Bradley 1785-L20E/E is a powerful programmable logic controller (PLC) from the PLC5 series, featuring enhanced processing and communication capabilities for industrial automation.

Specifications

• Product Type: Programmable Logic Controller

• Product Family: PLC5

• Brand: Allen-Bradley

• Module Type: Standard Processor

• Processor: PLC-5/20E

• Max User Memory: 16 Kilowords

• Battery-Backed Static RAM: Yes

• EEPROM Program Backup Option: Yes (using 1785-ME16, -ME32, -ME64, and -M100)

• Protected Memory: No

I/O & Communication

• Remote I/O: 12 chassis

• Maximum Number of I/O Racks: 4 (0-3)

• Maximum Total I/O: 512 (any mix) or 512 in + 512 out (complementary)

• Max Analog I/O: 512

• 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

• Max I/O Chassis Extended Local: 0

• Max I/O Chassis Total: 13

• Max I/O Chassis Universal Remote: 12

Communication Ports

• Embedded Communication Interfaces:

• 1 DH+ (Fixed)

• 1 DH+/Remote I/O (Adapter or Scanner)

• 1 serial port (configurable for RS-232, RS-423, RS-422A standards)

• Ethernet

Power

• Backplane Current Load: 2.3 A

• Power Dissipation: 12 W

• Power Supply Options: 1771-P4S, -P6S, -P4S1, -P6S1

• Battery: 1770-XYC