Overview
1762-L40BWA is a MicroLogix 1200 series compact PLC, 40 points I/O (24DI+16DO), 120/240V AC power supply, built-in high-speed counting and multi-protocol serial port, RS-232C port, supports DF1, DH-485, Modbus RTU, ASCII, 6KB program memory, supports 1762 series I/O expansion (up to 6 modules, total I/O to 136 points), compatible with RSLogix 500 programming.
Parameter
| Parameter | Value |
|---|---|
| Part Number | 1762‑L40BWA |
| Series | MicroLogix 1200 |
| Power Supply | 120/240V AC (-15%/+10%), 47–63Hz |
| Digital Inputs | 24×24V DC (20 standard, 4 fast 0–20kHz) |
| Digital Outputs | 16×Relay (AC/DC universal load) |
| Auxiliary Power | 5V DC 400mA, 24V DC 350mA |
| Communication | RS‑232C; Protocols: DF1, DH‑485, Modbus RTU, ASCII |
| Memory | 6KB Program |
| Expansion | Up to 6×1762 I/O modules, max 136 I/O points |
| Dimensions (W×D×H) | 160×87×90 mm |
| Operating Temp | 0–55°C |
| Mounting | DIN rail / Panel mount |
| Discontinued Date | August 25, 2021 |
FAQ:
1.What are the total I/O points and specific configuration of 1762-L40BWA?
The total I/O points of 1762-L40BWA is 40 points:
- Input: 24 points 24V DC digital input (20 points standard + 4 points 0-20kHz high-speed input, supports count/interrupt function)
- Output: 16 points relay output (supports 2A AC/DC load)
- Expansion capability: up to 6 1762 series modules can be expanded, and the total I/O can reach 136 points
2.What is the upper frequency limit of the high-speed digital input of 1762-L40BWA and what functions does it support?
The 1762‑L40BWA’s 4 high-speed digital inputs have an upper frequency limit of 0–20kHz:
- High-speed counting (encoder signal/pulse counting, 8 operating modes)
- Pulse capture (latch) and interrupt input
- Programmable limit switch (PLS) function
- Input filter can be set (nine levels from 0.025ms to 16ms)
3.1762-L40BWA What is the replacement for this model? What are the differences in functionality?
| Comparison Item | 1762‑L40BWA | Micro850 (Preferred Replacement) | CompactLogix 5380 (Mid‑to‑Large Upgrade) |
|---|---|---|---|
| Platform Positioning | MicroLogix 1200 (Compact, Discontinued) | Micro800 (New‑Generation Small PLC) | CompactLogix (Mid‑Range High‑Performance PLC) |
| Basic I/O Configuration | 40 points (24DI/16 Relay Outputs) | Configurable 40‑point I/O modules, supporting hybrid relay/transistor outputs | Modular I/O, supporting digital/analog/motion control, unlimited point count |
| High‑Speed Inputs | 4 channels @ 20kHz | Up to 100kHz, multi‑channel high‑speed counting | Supports high‑speed counting/motion control, suitable for complex axis control |
| Communication Capability | RS‑232 only (DF1/DH‑485/Modbus RTU) | Built‑in Ethernet (EtherNet/IP) + serial port, supporting cloud connectivity | Dual Ethernet, EtherNet/IP, CIP Motion, multi‑protocol concurrency |
| Program Memory | 6KB (4K program + 2K data) | Up to 100KB user program, supporting data logging | GB‑level memory, supporting large‑scale complex control and visualization |
| Programming Software | RSLogix 500 | Connected Components Workbench (CCW) | Studio 5000 Logix Designer |
| Expansion Capability | Up to 6×1762 modules, 136 points total | Supports Micro800 expansion modules, flexible I/O expansion | Supports ControlLogix I/O, cross‑platform expansion |
| Key New Features | — | Built‑in web server, remote access, IoT integration | Redundancy, safety functions, motion control, advanced language programming |
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