Product Description
Bachmann CH221B Counter Module
Product Overview
- The Bachmann CH221B is a Counter Module designed by Bachmann electronic GmbH for use in their M1 automation system. This module is engineered to process high-speed pulse signals from encoders, proximity sensors, or other pulse-generating devices, enabling precise counting, frequency measurement, and event timing in industrial automation applications. It is commonly used in industries such as manufacturing, energy, process control, and renewable energy systems (e.g., wind turbines) for tasks like speed monitoring, position tracking, and event synchronization.
Technical Specifications
- The CH221B has the following specifications
| Specification | Details |
|---|---|
| Model/Part Number | CH221B |
| Manufacturer | Bachmann electronic GmbH |
| Description | Counter Module |
| Series | Bachmann M1 Automation System |
| Function | Processes high-speed pulse signals for counting, frequency measurement, and event timing |
| Channels | 2 independent counter channels |
| Input Types | Incremental encoders (A/B quadrature), single-ended pulses, or differential signals (RS422/TTL) |
| Input Voltage | 5 VDC or 24 VDC (configurable, typically 0–30 VDC for single-ended) |
| Counter Resolution | 32-bit |
| Maximum Frequency | Up to 1 MHz per channel (depending on signal type) |
| Input Modes | Up/down counting, quadrature decoding, frequency measurement, period measurement |
| Isolation | Galvanic isolation between channels and backplane (500 VDC) |
| Communication | Interfaces with M1 system via backplane (proprietary M1 bus) |
| Power Supply | 24 VDC (supplied via M1 system backplane) |
| Power Consumption | Approx. 2–4 W |
| Environmental Specifications | Operating Temperature: -30°C to +60°C Storage Temperature: -40°C to +85°C Relative Humidity: 5% to 95% non-condensing Vibration: IEC 60068-2-6 compliant Shock: IEC 60068-2-27 compliant |
| Dimensions | Approx. 120 mm (H) x 50 mm (W) x 145 mm (D) (standard M1 module size) |
| Weight | Approx. 0.3–0.4 kg |
| Mounting | Plugs into M1 backplane (e.g., BS203, BS204, BS212) |
| Certifications | CE, UL, DNV GL (suitable for industrial and marine applications) |