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Brand: ABB
Series: AC500 Modular PLC Specialty Modules
The AC500 Series is a modular programmable logic controller platform designed for industrial automation applications, including discrete manufacturing, process control, infrastructure, and energy systems. The series includes CPU modules, digital and analog I/O modules, communication interfaces, power supply units, and specialty modules such as BCHM-01C that provide enhanced functionality for control and monitoring applications.
The BCHM-01C is a specialty module within the AC500 Series designed for handling high-speed counting, pulse measurement, and motion control signals in PLC systems. It acts as an interface between mechanical or electronic inputs and the AC500 controller, providing precise signal processing and reliable data transmission.
The ABB BCHM-01C (3AUA0000088682) is a high-performance motion and pulse handling module for the AC500 PLC platform. It is optimized for applications requiring precise pulse counting, frequency measurement, and motion control integration.
This module supports high-speed digital inputs, pulse train processing, and encoder signal evaluation. It enables PLCs to interact with sensors, incremental encoders, or high-speed digital devices in industrial automation systems. BCHM-01C allows integration of complex motion control tasks without the need for additional hardware, reducing system complexity and improving overall automation performance.
The module is compact, designed for DIN rail mounting inside industrial cabinets, and provides an IP20 protection rating suitable for standard industrial environments.
| Parameter | Specification |
|---|---|
| Model | BCHM-01C (3AUA0000088682) |
| Product Type | High-Speed Pulse & Motion Module |
| Series | AC500 Specialty Module |
| Supported Signals | Incremental Encoder, Pulse Train, High-Speed Digital Inputs |
| Input Voltage | 24 V DC |
| Input Frequency | Up to 100 kHz |
| Number of Channels | 4 high-speed channels |
| Communication Interface | Backplane bus with CPU integration |
| Mounting Type | DIN Rail (35 mm) |
| Protection Class | IP20 |
| Operating Temperature | −20°C to +60°C |
| Storage Temperature | −40°C to +85°C |
| Relative Humidity | 5–95% non-condensing |
| Dimensions (H × W × D) | 125 × 45 × 110 mm |
| Weight (kg) | 0.42 kg |
| Housing Material | Flame-retardant industrial polymer |
The BCHM-01C module provides a high-speed interface for motion and pulse control tasks in AC500 PLC systems. It enables precise counting of pulses from encoders, high-speed switches, and other digital input devices.
By processing signals directly on the module, it reduces CPU load and allows faster reaction times in automation applications such as conveyor control, packaging machinery, motor positioning, and robotic systems.
The module is designed for plug-in installation into standard AC500 racks, with a compact footprint that saves space in industrial control cabinets. It offers easy integration with existing AC500 digital I/O modules, CPUs, and communication interfaces.
The internal electronics are designed to maintain signal integrity even in environments with electrical noise, ensuring reliable performance in high-speed industrial operations.
High-Speed Signal Processing
Handles pulse trains and encoder signals up to 100 kHz for precise motion control.
Reduces CPU Load
Processes signals on the module to free CPU resources for other tasks.
Compact Design
Fits standard DIN rail-mounted PLC racks with minimal cabinet space.
Reliable Performance
Maintains signal integrity under industrial conditions with 5–95% humidity tolerance.
Easy Integration
Seamlessly integrates with AC500 CPU and I/O modules.
Versatile Applications
Supports incremental encoders, high-speed sensors, and pulse measurement devices.
Low Maintenance
Robust housing and passive cooling reduce maintenance needs.
• Conveyor belt speed and position monitoring
• Robotic arm motion control
• Incremental encoder signal processing
• Packaging and labeling machinery automation
• High-speed counting applications in manufacturing
• Motor positioning and synchronization
• Process control requiring pulse measurement
• Distributed motion control systems
| Model | Function | Channels / Slots | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| BCHM-02C | Motion & Pulse Module | 8 channels | 125 × 50 × 110 | 0.45 |
| BCHM-03C | Advanced Pulse Counter | 6 channels | 125 × 45 × 110 | 0.44 |
| DI811AC | Digital Input Module | 16 channels | 125 × 45 × 110 | 0.35 |
| AI812AC | Analog Input Module | 8 channels | 125 × 45 × 110 | 0.38 |
| DO812AC | Digital Output Module | 8 channels | 125 × 45 × 110 | 0.36 |
| Model | Product Type | Specification / Rating | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| ACS580-01-12A6-4 | Variable Frequency Drive | 5.5 kW | 358 × 152 × 203 | 6.5 |
| ACS880-01-017A-4 | Drive Inverter | 17 kW | 220 × 120 × 180 | 3.6 |
| Emax 2 E2.2 | Air Circuit Breaker | 1600 A | 371 × 210 × 268 | 8.2 |
| Tmax XT4N | Molded Case Circuit Breaker | 250 A | 140 × 105 × 160 | 2.1 |
| AF16-30-10 | Contactor | 16 A | 90 × 55 × 78 | 0.42 |
Q1: What is the primary function of BCHM-01C?
A1: It processes high-speed pulses and encoder signals for AC500 PLC systems.
Q2: How many high-speed channels are supported?
A2: The module supports 4 high-speed channels.
Q3: What is the maximum input frequency?
A3: Up to 100 kHz pulse signals can be processed.
Q4: Can it handle incremental encoders?
A4: Yes, it is designed for incremental encoder signal processing.
Q5: Does BCHM-01C require additional wiring?
A5: It connects directly via the AC500 backplane bus, reducing external wiring needs.
Q6: What type of voltage input does it accept?
A6: Standard 24 V DC digital input signals.
Q7: Is the module compatible with other AC500 modules?
A7: Yes, it integrates seamlessly with AC500 CPUs, digital, and analog I/O modules.
Q8: What environmental conditions can it operate in?
A8: It operates reliably in −20°C to +60°C temperatures with 5–95% non-condensing humidity.
Q9: Can it be used for motion control in robotics?
A9: Yes, it is ideal for motor positioning and robotic motion applications.
Q10: Does the module require active cooling?
A10: No, it uses passive cooling and requires minimal maintenance.