Allen-Bradley 1785-L40C15 | PLC 5 Processor

Description

1785-L40C15 is an Allen-Bradley PLC-5/40C processor supporting ControlNet, DH+, RIO, and serial communications with high-capacity I/O and memory expandability for complex control applications.

Identification

• Model: 1785-L40C15

• Brand: Allen-Bradley

• Type: PLC-5 Processor Module

Memory & Performance

• User Memory: Up to 48 Kwords

• Program Scan Time: 0.5 ms/Kword (bit logic), 2 ms/Kword (typical)

• Battery-Backed RAM: Yes

• EEPROM Backup: Supported (1785-ME16/-ME32/-ME64/-M100)

I/O Capacity

• Max I/O: 2048 mixed or 2048 input / 2048 output

• Max Analog I/O: 2048 forcible, 48,000 non-forcible

• I/O Scan Time:

• ControlNet: 0.5 ms (avg)

• Remote I/O: 10 ms @ 57.6 kbps, 7 ms @ 115.2 kbps, 3 ms @ 230.4 kbps

• Supported I/O Types: 1771, 1794, 1746, 1791 (8/16/32-pt and intelligent modules)

Connectivity

• Ports: DH+, RIO, Serial, ControlNet (x2), DH (via 1785-KA)

• Expansion Port: Control Coprocessor supported

Installation & Compatibility

• Chassis: 1771-A1B, A2B, A3B, A3B1, A4B (left-most slot)

• Hardware Addressing: 2-slot, 1-slot, ½-slot

• Max I/O Chassis: 125

• Universal Remote I/O Chassis: Up to 60

• Extended Local I/O Chassis: Not supported

Power & Accessories

• Battery: 1770-XYC

• Memory Modules: 1785-ME32, ME64, M100

• Redundancy: Supported