OWON OWP_H Series Programmable DC Power Source

About This Manual

Mar. 2022 edition V1.0.0. Copyright © LILLIPUT Company. All rights reserved. This manual contains information that supersedes previously published materials. LILLIPUT reserves the right to change specifications without notice.

OWON® is the registered trademark of LILLIPUT Company.

Manufacturer: Fujian LILLIPUT Optoelectronics Technology Co., Ltd.
No. 19, Heming Road
Lantian Industrial Zone, Zhangzhou 363005 P.R. China
Tel: +86-596-2130430 | Fax: +86-596-2109272
Web: www.owon.com | E-mail: info@owon.com.cn

General Warranty

OWON warrants products to be free from defects in materials and workmanship for 2 years (1 year for accessories) from the date of purchase by the original purchaser. This warranty is non-transferable.

If a defect occurs during the warranty period, OWON will repair or replace the defective product. Replaced parts, modules, and products become OWON property.

To obtain service, notify OWON of the defect before the warranty expires. The customer is responsible for packaging and shipping the defective product, along with proof of purchase.

This warranty does not cover defects caused by improper use, maintenance, unauthorized repairs, incompatible equipment, or modifications that hinder servicing.

Contact nearest Sales and Service Offices for services. OWON disclaims implied warranties and is not responsible for indirect or consequential damages.

1 Back Panel

The back panel includes:

• 1. DC output terminal: RED "+", BLACK "-"
• 2. Remote voltage compensation
• 3. Duct outlet (No obstructions within 10 cm)
• 4. RS485 interface (Female)
• 5. CAN interface
• 6. Dry contact/Analog interface
• 7. AC Input

1.1 Interface

The device features multiple interface types:

• Digital IO Interface: PIN 1-3 provide normally open and normally closed dry contact outputs. PIN 2 is the common port. Output capacity: 1A/30VDC or 0.15A/220VAC. PIN 5-6 are dry contact inputs for external control or feedback.
• Analog Interface: Optional, customizable signals. Supports up to four analog channels (two input, two output).
• RS485 Interface: Serial communication using standard Modbus-RTU protocol.
• CAN Interface: Two internal parallel CAN bus interfaces for serial or parallel connection between devices, and for external communication.

1.2 Voltage Compensation

Utilize twisted-pair cables with high insulation for remote voltage compensation. Ensure correct polarity. When not in use, short the SENSE terminals (PIN1/PIN2 and PIN3/PIN4).

1.3 Parallel Connection

Devices can be connected in parallel for increased output capability via CAN communication. A 120 ohm terminal resistor is required for the CAN bus.

2 Front Panel

The front panel provides user interaction and status indication.

2.1 Display Area

The display area shows real-time operating status, including:

• Display Area: Current output information.
• Setting Area: Voltage, current, and power reference values, and priority settings.
• Status Area: Buzzer, lock key status, date/time, working time, and dry contact/application mode status.
• Mode Area: Control and output modes.
• Series/Parallel Status Area: Master/slave number and CAN data status when operating in parallel.

Note: Status area elements can be hidden. Application mode and dry contact status icons are displayed when active.

Output modes include Common Mode (CV, CC, CP) and Application Mode (Steps, etc.).

2.1.1 Home

Three Home screens are available:

• Home: Comprehensive real-time status.
• Auxiliary Home: Maximizes real-time output information.
• Waveform Home: Displays output in an intuitive waveform manner.

Note: The Home screen is the primary interface for setting reference values. Pressing "ENTER" sets waveform sampling rate. VOLT, CURR, or POWER keys control waveform display.

2.2 Operating Area

The operating area consists of keys and a knob for controlling the device.

• Keys: VOLT, CURR, VOLT+CURR for setting references; LOCK for locking; ON/OFF for output control; Navigation keys (←, →, ↑, ↓); DEL, EXIT, SAVE, RECALL, L/R, CONF for various functions.
• Knob: Used for menu navigation, input value adjustment (clockwise/anticlockwise rotation), and confirming settings.

Basic Operation:

Voltage Reference Setting: Press "VOLT" or "Knob" key, enter value, press "ENTER" or "Knob" to confirm.

Current Reference Setting: Press "CURR" or "Knob" key twice, enter value, press "ENTER" or "Knob" to confirm.

Power Reference Setting: Press "VOLT" + "CURR" simultaneously or "Knob" key three times, enter value, press "ENTER" or "Knob" to confirm.

Output Control: Press "ON/OFF" key to turn output ON (light) or OFF.

Voltage/Current Priority Switching: Double-click "VOLT" or "CURR" key (output off) to switch priority.

SAVE Setting: Press "SAVE" to store common mode or application mode data.

Recall Setting: Press "RECALL", select data type, press "ENTER" to recall saved data.

Local/Remote Mode: Press "L/R" to switch modes.

Buzzer Control: Navigate via system settings to adjust buzzer levels.

3 Menu Structure

The device features a hierarchical menu system for configuration and operation:

• Application (APP): Step Mode, Charge Mode, Function Generator Mode.
• Information: Error Log, Operating Log, Event Log, Version Information, SN.
• System Setting: Language, Buzzer, Date/Time, UI Settings (Background Color, Theme, Font, Status Icon, Dim Screen).
• User Setting: Communication (Baud Rate, CRC, Modbus), Function (Startup, Rise/Fall Times, Auto-Recovery, Timing Output, Parallel/Series, Dry Contact, Analog), Protection (Over-Volt, Over-Curr, Overload, Under-Volt, Under-Curr, Short-Circuit, Protection Switches), Password, Reset.

3.1 Application (APP) Modes

3.1.1 Step Mode

Allows programming sequences of up to 50 steps, defining voltage, current, and time for each step to create custom output profiles.

3.1.2 Charge Mode

Designed for charge/discharge aging tests of energy storage media (e.g., batteries). Supports up to 10 sequences with independent step settings and judgment conditions.

3.1.3 Function Generator Mode

Generates various waveforms including Sine, Triangular, Rectangular, Pulse, Trapezoidal, and Line waves, which can be superimposed on DC output. Parameters include amplitude, period, duration, and interval time.

3.2 Information

• Error Log: Records faults with type, date, and time.
• Operating Log: Tracks running information, mode, output energy, date, and time.
• Event Log: Records system events with type, details, date, and time.

3.3 System Setting

• Language: Supports Chinese and English.
• Buzzer: Adjustable scale based on event severity.
• Date & Time: System date and time configuration.
• UI Setting: Customizes background color, theme, font, status icons, and screen dimming.

3.4 User Setting

Includes sub-menus for detailed configuration:

• Communication Setting: Baud rate, CRC alignment, Modbus address.
• Function Setting: Startup mode, rise/fall times, auto-recovery, timing output, parallel/series connection, dry contact, and analog interface settings.
• Protect Setting: Configures over-voltage, over-current, overload, under-voltage, under-current, and short-circuit protections, including values, delays, and duration. Protection switches enable/disable these functions.
• Password Setting: For user access and password changes. Default password: "12345678".
• Reset: Options for Factory Reset, Error Log Reset, System Data Reset, and User Data Reset.

4 Technical Specifications

4.1 Product Parameters

Key specifications include AC/DC supply voltage and current, accuracy, load and line regulation, ripple, protection features (over-voltage, over-current, overload, over-temperature), insulation ratings, digital interfaces (CAN, RS485, Dry Contact), operating temperature range, dimensions, and weight. Specific values vary by model (e.g., 1KW, 2KW, 3KW, 6KW, 8KW).

4.2 Product Selection

A table lists various OWON OWP_H series models, specifying their power rating, maximum voltage, maximum current, and available interfaces (CAN, RS485, Dry Node/Analog).

5 Appendix

5.1 Accessory

Included accessories typically consist of a Certificate, Quick Guide, 1.5m input power line, and a 6-PIN terminal block.

5.2 Key Description

Details the function of each key and knob on the front panel, including setting, function, figure navigation, and input control.

5.3 User Setting List

Provides a comprehensive list of user-configurable parameters across Communication, Function, Protection, Password, and Reset settings, including default values.

5.4 Warning List

Lists potential errors (e.g., EEPROM errors, FLASH errors, external faults, protection triggers) and provides troubleshooting steps, typically involving power cycling or checking specific parameters.