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Zk-pp2k: Manual

To access all configuration settings:

If the default password does not work, the previous administrator changed it. You will need a factory reset (covered in Part 6).

The Zk-pp2k Manual also covers less-known but powerful features.

Connect the power supply. The device will boot up, displaying a loading screen, and eventually land on the main interface showing the date, time, and "Verify" prompt.

Even with a manual, things go wrong. Here is the diagnostic table.

Navigate via the menu path: Menu > System Settings > Time/Date.

The ZK-PP2K is a powerhouse of a module once you understand its logic. The transition from "random knob twiddling" to "precision control" comes from mastering three things: setting the current before connecting a load, calibrating the sensors with a multimeter, and setting the input low-voltage cut-off.

Keep this Zk-pp2k Manual bookmarked. If you treat the unit with care—respecting the 150W limit and ensuring active cooling above 3A—it will serve you for years as a bench power supply, battery charger, and LED driver.

Quick Reference Card:

Disclaimer: Always disconnect the input power before soldering or modifying the board. High current DC can cause sparks and injury. This manual is for informational purposes; refer to your specific vendor’s safety data sheet for warranty details.

The ZK-PP2K is a high-power, dual-mode PWM and pulse signal generator designed to drive loads like DC motors, LEDs, and solenoid valves directly. Supporting a wide voltage range of 3.3V to 30V and up to 8A of current, it is a versatile tool for both industrial testing and hobbyist DIY projects. 1. Key Specifications Operating Voltage: 3.3V – 30V DC. Frequency Range: 1Hz – 150KHz (±2% accuracy). Duty Cycle Range: 0% – 100% (1% steps). Maximum Output Current: 8A. Pulse Count: 1 – 9999 or Infinite (----). Time Accuracy: 1ms. Display: High-definition LCD with status indicators. 2. Operating Modes

The ZK-PP2K features two distinct modes. To switch between them, long-press the 'SET' button for 6 seconds. PWM Mode (Standard) Identification: The screen displays a "%" symbol.

Primary Controls: Adjusts a continuous square wave via Frequency and Duty Cycle. Buttons: FREQ+ / FREQ-: Adjust output frequency. DUTY+ / DUTY-: Adjust the duty cycle percentage (0-100%). ON: Enables or disables the output. PULSE Mode

The ZK-PP2K is a versatile, high-power dual-mode signal generator capable of directly driving DC motors, LEDs, and solenoids with up to 8A of current. It operates between 3.3V and 30V DC, offering adjustable frequency (1Hz–150kHz) and duty cycle (0%–100%) in both PWM and pulse-specific modes, while featuring power-down memory and anti-reverse protection. Read the full technical specifications at ledsales.com.au. Zk-pp2k Manual

The ZK-PP2K is a high-power PWM and pulse signal generator capable of driving up to 8A loads (motors, LEDs, solenoids) directly. You can download the full technical paper and manual from Gotronik or Supereyes. ⚙️ Key Technical Specifications

Voltage Range: DC 3.3V to 30V (output amplitude matches input) Current Capacity: 8A maximum (high power) Frequency Range: 1Hz to 150KHz (2% accuracy) Duty Cycle: 0.00% to 100% Pulse Count: 1 to 9,999 or Infinite (----) Time Range: 0.000s to 9999s for delay and pulse width 🛠️ Quick Operation Guide Switching Modes Toggle PWM vs. PULSE: Hold the SET button for 6 seconds. PWM Mode: Identified by the % symbol on the screen. PULSE Mode: The % symbol disappears. Mode 1: PWM Mode (Continuous Signal) Use this for simple speed control or dimming: FREQ+ / FREQ-: Set the frequency (1Hz–150kHz). DUTY+ / DUTY-: Set the duty cycle (0%–100%). Mode 2: PULSE Mode (Cycles & Delays) Use this for specific pulse counts or timed bursts: Positive Pulse Width: Set using P+ and P-. Negative Pulse Width: Set using N+ and N-. Start Delay & Pulse Number: Hold SET for 2 seconds until "SET" appears at the bottom. Use P+ / P- for the Delay Time.

Use N+ / N- for the Number of Pulses (use ---- for infinite).

💡 Safety Tip: Ensure adequate cooling when running near the 8A maximum current, as high loads generate significant heat. If you'd like, I can: Provide a wiring diagram for a specific motor or LED setup.

Help you calculate the exact settings for a specific frequency (e.g., 20kHz).

Explain how to use the external switch terminal on the back. zk-pp2k-sterownik-pwm.pdf - gotronik

is a versatile, high-power PWM (Pulse Width Modulation) and pulse signal generator. Unlike lower-powered signal generators, this "2K" model features a built-in MOS switch capable of driving loads like motors, LEDs, and solenoid valves directly up to

Below is a blog post draft that breaks down its manual into actionable steps for your readers.

Getting Started with the ZK-PP2K: Your All-in-One PWM & Pulse Guide

Whether you’re dimming high-power LEDs or controlling the speed of a DC motor, the is a powerhouse module. With a wide voltage range of 3.3V to 30V and a hefty

output capacity, it bridges the gap between a simple signal generator and a full-on motor controller. 1. Key Technical Specs Before plugging it in, here’s what you’re working with: Voltage Range: 3.3V to 30V DC (Anti-reverse protection included). Frequency Range: 1Hz to 150KHz. Output Capacity: Up to 8A (roughly 150W at 24V). Dual-mode functionality (PWM vs. PULSE). 2. Switching Between Modes

The ZK-PP2K has two distinct operating personalities. To switch between them, long-press the SET button for about 6 seconds. Indicated by a

on the screen. Best for continuous signals (e.g., motor speed or light dimming). PULSE Mode:

No "%" symbol. Ideal for precise timing, such as "run for 10 seconds, then stop" or "fire 100 pulses and quit". 3. How to Configure Your Signal To access all configuration settings:

Once you've picked your mode, the buttons change their functions: In PWM Mode (The Default) FREQ+ / FREQ-: Adjusts the output frequency from 1Hz up to 150KHz. DUTY+ / DUTY-:

Adjusts the duty cycle (0% to 100%) to control the power delivered to your load. In PULSE Mode (Precision Control) Positive Pulse Width Negative Pulse Width (off-time). Advanced Settings: Long-press for 2 seconds to enter the sub-menu for: Delay Time:

How long to wait after pressing "ON" before the signal starts. Number of Pulses:

Set a specific count (1–9999) or set to "----" for an infinite loop. 4. Safety First: The "No-Waveform" Rule A common point of confusion is that the ZK-PP2K is a MOS switch output

, not a traditional signal generator that produces a low-voltage waveform. What this means:

It literally switches the input voltage to the output. If you feed it 12V, the output "high" is 12V.

connect the output directly to sensitive MCU pins or oscilloscopes without proper attenuation, or you may fry them. 5. Practical Use Cases DC Motor Governor:

Use PWM mode at ~20KHz to control motor speed without the high-pitched "whine". Solenoid Valve Trigger:

Use PULSE mode to trigger a valve for exactly 500ms every 5 seconds. LED Dimmer:

High-frequency PWM (above 1KHz) ensures flicker-free dimming for high-power LED strips. or a list of common troubleshooting tips to add to this post? ZK-PP SERIES - PWM & PULSE SIGNAL GENERATOR User's Manual

The ZK-PP2K PWM Signal Generator Go to product viewer dialog for this item.

is a versatile and high-power module frequently used for motor speed control, LED dimming, and precision signal testing. Below is a draft review based on technical specifications and user experiences. Product Overview The

is a dual-mode signal generator capable of outputting up to 8A of current, making it powerful enough to drive loads like DC motors, solenoid valves, and high-brightness LEDs directly. It operates on a wide voltage range of 3.3V to 30V and features a high-definition LCD for real-time monitoring of frequency and duty cycle. Key Strengths

The Go to product viewer dialog for this item. is a dual-mode signal generator capable of driving loads up to 8A. It functions as both a PWM (Pulse Width Modulation) generator and a Pulse generator, commonly used for motor speed control or LED dimming. Operating Modes If the default password does not work, the

The device features two primary modes, which can be toggled by long-pressing the "SET" button for 2 seconds: PWM Mode: The screen displays "%" for duty cycle. Parameters: Frequency and Duty Cycle.

Usage: Ideal for dimming, speed regulation, and electromagnetic valves. PULSE Mode: The screen does not display "%".

Parameters: Positive Pulse Width (P+), Negative Pulse Width (P-), Delay Start Time (Delay), and Number of Pulses (PNS).

Usage: Ideal for controlling stepper motor steps or specific timing sequences. Technical Specifications

According to product listings on AliExpress, the key specs include: Working Voltage: DC 3.3V - 30V. Frequency Range: 1Hz - 150KHz (Accuracy ~2%). Duty Cycle: 0.00% - 100%. Output Current: Rated up to 8A (Direct load drive).

Safety: Includes reverse polarity protection and power-down memory (saves settings when turned off). Button Functions "FREQ+" / "FREQ-": Adjusts frequency or pulse width. "DUTY+" / "DUTY-": Adjusts duty cycle or pulse count. "STOP": Briefly press to enable or disable the output. "SET":

Short press: Switch between parameters (Frequency, Duty, etc.). Long press (2s): Switch between PWM and PULSE modes. Usage Tips Direct Driving: Unlike standard low-power generators, the

can drive motors or lights directly without an external MOSFET, provided they stay within the 8A limit.

Power Supply: Ensure your input voltage matches the requirements of your load (e.g., use a 12V supply for a 12V motor).

Maximum 8A (capable of directly driving motors or LED strips). Pulse Count: Adjustable from 1 to 9999, or set to infinite ( 2. Dual Operating Modes You can switch between these two modes by long-pressing the button for 2 seconds. PWM Mode (Display shows "%") Used for continuous speed control or dimming. Frequency: Set the oscillation speed (e.g., 20KHz). Duty Cycle: Controls the "On" time vs. total period (e.g., 60%). Pulse Mode (No "%" on display) Used for precise control of motor steps or timed bursts. Positive Pulse Width ( Duration the signal is HIGH. Negative Pulse Width ( Duration the signal is LOW. Pulse Number: The exact number of pulses to send before stopping. Delay Start: Sets a timer before the pulse sequence begins. 3. Button Functions & Settings ON/OFF Button:

Short press to start or stop the signal output. Long press to enter a low-power "sleep" mode. SET Button:

Short press to cycle through adjustable parameters (Frequency, Duty Cycle, etc.). Long press to switch between PWM and Pulse modes. UP/DOWN Buttons:

Increase or decrease the value of the currently selected parameter. 4. Basic Wiring Guide Power Input: Connect your power source (3.3V–30V) to the terminals. Load Connection: Connect your device (motor, valve, LED) to the terminals. Signal Warning:

Ensure the load does not exceed 8A. For inductive loads like large motors, ensure back-EMF protection is considered, though the module is designed for direct drive. 5. Practical Example: Driving a DC Motor To run a motor at 20KHz with 60% speed: Long press symbol appears (PWM Mode). Adjust the frequency to Adjust the duty cycle to to start the motor. wiring diagram

description for a certain type of motor or a guide on setting precise pulse counts

Safety Warning: Because this is a buck converter, if the internal MOSFET shorts out, your input voltage will pass directly to the output. Always test with a dummy load before connecting expensive batteries.