The Allen-Bradley 1785-LT2 is a robust Programmable Logic Controller (PLC) designed for pollution level industry environment 2, supporting up to 21K Words of user memory, which is expandable from its base 13K. This device operates effectively at altitudes up to 2000 meters and within an ambient temperature range of 0 to 60 degrees Celsius, ensuring reliable performance in various harsh conditions. Its embedded communication capabilities include Data Highway Plus (DH+) and Remote I/O, supporting RIO transmission rates of 57.6 Kbps, and it can manage a maximum of 1024 input, output, and analog I/O channels with a program scan time of just 2 ms for discrete logic. The 1785-LT2 offers flexibility in programming with ladder and Sequential Function Chart (SFC) languages and supports integration with additional power supplies and optional backup communication modules to enhance resilience and redundancy.
Technical specifications for 1785-LT2
Manufacturer
Rockwell Automation
Max I/O Chassis Universal Remote
16 Max
Max I/O Chassis Total
17
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
Module Type
Processor
Part Number/Catalog No.
1785-LT2
Brand
Allen-Bradley
Communication Ports
DH+; Remote I/O
Controller Memory
13 Kilowords SRAM
Controller Memory expansion
up to 17 or 21 Kilowords
Controller Redundancy
Supported
Max Total I/O
3072 (any mix) or 3072 in + 3072 out (complementary)
