Product Details
Configured for high-speed pulse counting and encoder interfacing in M1 automation platforms, the Bachmann CNT204/H (CNT204/H Counter Module) provides direct physical/electrical execution of signal synchronization and gate measurement tasks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | CNT204/H |
| Brand | Bachmann |
| Origin | Austria |
| Weight | 0.28 kg |
| Dimensions | 102 mm x 12 mm x 130 mm |
| Operating Temp | 0 deg C to 60 deg C |
| Power Consumption | 3.5 W |
| Counter Inputs | 4 (single line pulse) |
| Encoder Inputs | 2 (incremental encoder) |
| Resolution | 42 ns |
| Diagnostics | Supply voltage monitoring, per-channel status LED |
Profinet / EtherNet/IP Deterministic Networks
The CNT204/H module interfaces with the M1 rack backplane to facilitate deterministic network connectivity for high-speed pulse processing. It leverages backplane bus communication velocity to ensure phase shift and period measurements are tightly coupled with the controller CPU scan cycle. The module supports I/O density scaling, allowing for multiple counting channels per rack without introducing bus jitter. Firmware flash compatibility is provided to allow for updates to the signal evaluation algorithms, including adjustments to the 42 ns resolution window for frequency or differential measurement tasks.
Frequently Asked Questions
Q: Does the module provide power for connected encoders?
A: Yes, the CNT204/H includes an integrated encoder power supply delivered directly through the module's terminal block, simplifying field wiring for dual-channel incremental encoders.
Q: Can the 4 input channels be synchronized?
A: Yes, the module supports input synchronization to ensure simultaneous data acquisition across channels, which is required for accurate phase shift or differential measurements.
Q: What is the maximum resolution for period measurement?
A: The module achieves a temporal resolution of 42 ns for both period and differential measurements (phase shift between channels C1/C3 or C2/C4).
Field Installation Guidelines
- Wiring: Use shielded twisted-pair cables for all pulse and encoder inputs. The shield must be connected to a functional earth (FE) point at the terminal block to prevent high-frequency noise from affecting the 42 ns resolution timing.
- Signal Segregation: Route high-speed pulse cables away from power supply or motor drive cabling to mitigate electromagnetic interference that can trigger false counts.
- Grounding: Ensure the DIN-rail mounting is secure and electrically conductive to provide a stable reference potential for the module's internal circuitry.
- Voltage Monitoring: Connect the supply voltage monitoring leads to the terminal block to allow the M1 controller to detect supply fluctuations that may impact counting accuracy.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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