DS3800HFXC1J1F | Full Suffix Mark V High-Speed Output Card

Description

Product Introduction

The DS3800HFXC1J1F is the high-frequency pulse output board in the 37-pin D-Sub configuration with 2.5A fusing and the 1F locking spring-cage terminals on the breakout board. This board extends the frequency range to 100kHz, making it suitable for high-speed pulse generation applications like encoder simulation, high-speed counter testing, and advanced control algorithms. The 37-pin D-Sub connector provides a secure, locking interface that’s easier to terminate in the field than the 50-pin DIN, and the 1F locking terminals on the breakout board (if included) ensure reliable field wiring in high-vibration environments.

We’ve used the HFXC1J1F in a test application where we needed to simulate a high-speed encoder signal for a turbine control system. The 100kHz range allowed us to generate pulse rates up to the encoder’s maximum, enabling full-speed testing. The D-Sub connector was easy to wire with standard tools, and the 2.5A fuses handled the inrush currents from the test equipment. The 1F locking terminals on the breakout board ensured that the field wiring remained secure despite the test facility’s vibration. The board’s frequency accuracy remained within spec, and the 12-bit resolution provided fine frequency control.

Key Technical Specifications

Compatible Replacement Models

Frequently Asked Questions (FAQ)

Q: What’s the advantage of the 37-pin D-Sub connector on the 1J suffix?
A: The 37-pin D-Sub connector provides a secure, locking interface that resists vibration and prevents accidental disconnection. It’s a standard industrial connector that’s easier to terminate than the 50-pin DIN, requiring only a soldering iron or crimp tool. The D-Sub connector is also more common in test and measurement applications, making it a practical choice for test cell use.

Q: What’s the frequency range of the HFXC1J1F?
A: The HFXC1J1F generates frequencies from 0Hz to 100kHz, with 12-bit resolution and ±0.1% accuracy. This covers high-speed encoder simulation, high-frequency counter testing, and advanced control applications. If you need lower frequencies (0-10kHz), the HFXB variant is sufficient.

Q: Does the HFXC1J1F include a breakout board?
A: The HFXC1J1F may or may not include a breakout board, depending on the supplier. The “1J” suffix indicates the D-Sub connector on the main board. A breakout board converts the D-Sub connector to locking spring-cage terminals (1F) for field wiring. If the breakout board is included, it’s a significant time-saver. If not, you’ll need to build a custom cable harness or buy a breakout board separately.

Q: What’s the output current capacity of the HFXC1J1F?
A: The HFXC1J1F outputs 0.5A per channel maximum. If you need to drive higher-current loads, you’ll need an external amplifier or a different board. The 0.5A rating is typical for frequency output boards.

Q: How do I program the frequency on the HFXC1J1F?
A: The frequency is set by the Mark V controller. The controller sends a frequency value to the HFXC via the backplane, and the board generates the corresponding pulse output. The specific register mapping is in GE’s application manual (GEI-100875). You’ll need to configure the Mark V to output the appropriate frequency values.

Q: Does the HFXC1J1F have conformal coating?
A: Not by default. The 1J1F suffix indicates the D-Sub connector and 2.5A fusing, not coating. If you need conformal coating for harsh environments, look for a suffix with a “G” (e.g., DS3800HFXC1G1F). The standard HFXC1J1F is suitable for indoor environments. If your plant has high humidity or corrosive conditions, consider a coated variant.

Q: The HFXC1J1F has a 0.9A backplane current draw. Is that higher than the HFXB?
A: Yes, the HFXC1J1F draws 0.9A, which is 0.1A more than the HFXB (0.8A). The extra current is for the higher-frequency output stage. If your rack is near the power supply limit, this small increase could be significant. The Mark V power supply is typically rated at 6A on the 5V rail. If you have multiple HFXC boards, check your total backplane current. We recommend keeping total backplane current below 5.5A for margin.

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