Description
The Allen Bradley 1785-L46C15 is a ControlNet-enabled PLC-5/40 processor designed for industrial automation and process control applications requiring reliable communication and deterministic control. This controller provides 48K words of user memory, protected memory functionality, and support for large-scale distributed I/O systems.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Allen Bradley |
| Category |
Industrial Automation |
| Part Number |
1785-L46C15 |
| Subcategory |
PLC Processors |
| Manufacturer |
Allen Bradley |
| Product Line |
PLC-5 |
| Module Type |
ControlNet PLC-5 Processor with Protected Memory |
| Processor |
PLC-5/46C |
| Max User Memory Words |
48 Kilowords |
| Battery-Backed Static RAM |
Yes |
| Protected Memory |
Yes |
| EEPROM Program Backup Option |
Compatible with 1785-ME16, 1785-ME32, 1785-ME64, and 1785-M100 |
| ControlNet Communication |
Integrated |
| Max Total I/O |
Forcible 2048 (any mix) or 2048 In + 2048 Out (complementary), Nonforcible 48,000 |
| Max Analog I/O |
Forcible 2048, Nonforcible 48,000 |
| I/O Scan Time Per Rack |
ControlNet I/O 0.5 ms (average) |
| Max I/O Chassis Total |
125 |
| Max I/O Chassis Extended Local |
0 |
| Max I/O Chassis Universal Remote |
60 |
| Communication Port |
1 RS-232-C/422-A/423-A Port |
| Control Coprocessor Expansion Port |
Yes |
| Weight |
2.9 lbs |
Information About 1785-L46C15
The 1785-L46C15 is a member of the Allen Bradley PLC-5 family of programmable logic controllers, featuring a PLC-5/46C processor with integrated ControlNet communication capabilities. Designed with protected memory and battery-backed static RAM, it supports secure program retention and operational continuity during power interruptions. The controller accommodates extensive local and remote I/O configurations, making it suitable for manufacturing, process automation, material handling, and infrastructure control systems. It also supports EEPROM-based program backup options and provides connectivity through an RS-232-C/422-A/423-A communication port and a control coprocessor expansion interface.
Key Features:
- PLC-5/46C Processor: Provides advanced processing capabilities for industrial control applications.
- 48K Word Memory Capacity: Supports complex control programs and extensive data handling requirements.
- ControlNet Communication: Enables deterministic high-speed network communication for distributed control systems.
- Protected Memory Function: Safeguards critical application programs and operational data.
- Battery-Backed SRAM: Maintains user programs and data during power loss conditions.
- EEPROM Backup Support: Compatible with 1785-ME16, 1785-ME32, 1785-ME64, and 1785-M100 memory modules.
- Large I/O Capacity: Supports up to 48,000 nonforcible I/O points and 125 total I/O chassis.
- Integrated Communication Port: Includes one RS-232-C/422-A/423-A serial communication interface.
The 1785-L46C15 delivers the reliability and precision required for large-scale industrial automation, process control, and distributed manufacturing systems.
