Product Details
The Honeywell 8C-PCNT02, also cataloged as the 8C-PCNT02 Control Pulse Card Module, operates as a dedicated hardware component for high-speed digital pulse signal capture and frequency measurement within Honeywell Experion PKS Series 8 platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 8C-PCNT02 |
| Brand | Honeywell |
| Origin | USA |
| Weight | Approx. 0.3 kg |
| Dimensions | 100 mm x 25 mm x 130 mm (H x W x D) |
| Operating Temp | -40 deg C to +70 deg C |
| Power Consumption | Not specified |
| Channels | 2 pulse input channels |
| Input Type | Digital pulse (sink/source) |
| Input Voltage | 24 VDC nominal |
| Input Frequency | Up to 20 kHz |
| Input Impedance | 10 kOhm typical |
| Isolation | Channel-to-channel and channel-to-backplane |
| Mounting | Universal I/O module carrier |
Channel-to-Channel Isolation & Cold Junction Compensation (CJC)
The module accepts digital pulse inputs up to 20 kHz across 2 independent channels for high-speed flowmeter accumulation and encoder tracking. Galvanic channel-to-channel and channel-to-backplane isolation barriers decouple the 24 VDC nominal field circuits (sink/source) from internal processing logic, blocking voltage spikes and ground loop noise. Integrated signal conditioning provides a 10 kOhm typical input impedance to preserve pulse edge transitions across field transmission lines.
Frequently Asked Questions
Q: What is the maximum input frequency limit supported by the 8C-PCNT02 pulse input channels?
A: The module processes high-speed digital pulse signals at frequencies up to 20 kHz per channel.
Q: How does the 8C-PCNT02 isolate high-voltage field transients from the backplane?
A: The hardware incorporates galvanic isolation barriers providing both channel-to-channel and channel-to-backplane protection.
Q: What field wiring configurations are compatible with the 8C-PCNT02 input circuits?
A: The input channels support 24 VDC nominal digital pulse signals in both sinking and sourcing circuit configurations.
Field Installation Guidelines
- Turn off main power to the Series 8 universal I/O carrier baseplate prior to inserting or removing the 8C-PCNT02 module.
- Wear an ESD grounding wrist strap throughout handling to prevent static discharge damage to internal components.
- Align the module housing with the carrier guide rails and push firmly until side retention latches click into place.
- Route high-speed pulse signal lines using shielded twisted-pair cables separate from AC power lines to avoid inductive noise.
- Terminate all cable shields at a single point on the cabinet earth ground bar.
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.
Tech & Buying Guide
Comprehensive Guide to Noise Types in Industrial Automation and Electronics
Mitigating Emergency Stop Spurious Trips in Industrial Control Systems
Emergency stop (E-Stop) pushbuttons serve as vital safety devices in factory automation and process control plants. Functional safety standards mandate normally-closed (NC) contact blocks to ensure fail-safe operation during wiring breaks or power outages. However, mechanical degradation over time can trigger unexpected spurious trips, halting production lines without an actual emergency. Understanding the underlying causes of mechanical contact failure allows automation engineers to implement robust, fault-tolerant safety circuits.
Redundant Automation Systems: Maximizing Uptime in Critical Control Applications
Industrial automation relies on continuous operational stability to prevent catastrophic downtime and financial loss. While standard dictionary definitions treat redundancy as superfluous, industrial engineers consider redundant control architectures indispensable for high-availability systems. Implementing backup hardware ensures seamless takeover during primary equipment failures, protecting critical infrastructure across manufacturing and process industries.