GW Instek PPH-1503D User manual

Programmable High Precision
Dual Output DC Power Supply
PPH-1503D/PPH-1506D/ PPH-1510D
User Manual
GW INSTEK PART NO. 82PH-1503DED1
ISO-9001 CERTIFIED MANUFACTURER
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com

Copyright Statement
This manual contains proprietary information, which is protected by
copyright. All rights are reserved. No part of this manual may be
photocopied, reproduced or translated to another language without
prior written consent of Good Will company.
The information in this manual was correct at the time of printing.
However, Good Will continues to improve products and reserves the
rights to change specification, equipment, and maintenance
procedures at any time without notice.
Good Will Instrument Co., Ltd.
No. 7-1, Jhongsing Rd., Tucheng Dist., New Taipei City 236, Taiwan.

Table of Contents
3
Table of Contents
SAFETY INSTRUCTIONS .................................................. 5
OVERVIEW .................................................................... 10
Introduction ................................................... 10
Key Features ................................................... 12
Operating Principals ...................................... 14
Front Panel ..................................................... 16
Rear Panel ...................................................... 22
Constant Voltage/Constant Current
Crossover Characteristics ............................... 24
GETTING STARTED........................................................ 25
Start Up.......................................................... 25
Load and DVM Connection............................. 26
Turning the Output On/Off ............................ 28
MAIN MENU OVERVIEW................................................ 29
Function Description ...................................... 30
BASIC OPERATION ........................................................ 32
Source Function ............................................. 32
DVM............................................................... 43
Pulse Current Measurement ........................... 45
Long integration ............................................. 51
Battery simulation function ............................ 56
Current Sink Function..................................... 57
External Relay Control .................................... 59
Sequence Function ......................................... 62
SAVE/RECALL ................................................................ 64
Restore Factory Default Settings..................... 67
The Factory Default Settings .......................... 67

PPH-1503D/1506D/1510D User Manual
4
SYSTEM SETTINGS ........................................................ 69
System Information ........................................ 69
Utility Settings ............................................... 70
Firmware Upgrading....................................... 72
System Real Time Clock Setting ..................... 73
Description of Using Flash Drive .................... 74
REMOTE CONTROL ....................................................... 79
Remote Control .............................................. 79
Command Syntax............................................ 86
Command List ................................................ 90
Command Details........................................... 95
SCPI Status Registers SCPI........................... 130
Errors ........................................................... 138
APPENDIX ....................................................................142
Replacing the Fuse ....................................... 142
Battery Replacement..................................... 143
Specifications ............................................... 144
Optional Accessories.................................... 146
Declaration of Conformity ............................ 147
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com

PPH-1503D/1506D/1510D User Manual
6
Safety Guidelines
General
Guideline
CAUTION
 Do not place any heavy object on the unit.
 Avoid severe impact or rough handling that
leads to damaging the unit.
 Do not discharge static electricity to the unit.
 Do not block the cooling fan opening.
 Do not perform measurements on circuits that
are directly connected to mains power.
 Do not disassemble the PPH unless you are
qualified.
(Measurement categories) EN 61010-1:2010 specifies the
measurement categories and their requirements as follows. The
PPH-1503D/1506D /1510D falls under category I.
 Measurement category IV is for measurement performed at the
source of low-voltage installation.
 Measurement category III is for measurement performed in the
building installation.
 Measurement category II is for measurement performed on the
circuits directly connected to the low voltage installation.
 Measurement category I is for measurements performed on
circuits not directly connected to Mains.
Power Supply
WARNING
 AC Input voltage range: 90VAC~264VAC
 Frequency: 50Hz/60Hz
 To avoid electrical shock connect the protective
grounding conductor of the AC power cord to
an earth ground.

SAFETY INSTRUCTIONS
7
Fuse
WARNING
 Fuse type: T2.0A/250V（PPH-1503D）
T2.5A/250V PPH-1506D/1510D
 To prevent fire, replace the fuse only with the
specified type and rating.
 Disconnect the power cord before replacing the
fuse.
 Make sure the cause of fuse blowout is fixed
before replacing the fuse.
Cleaning the
power supply
 Disconnect the power cord before cleaning the
oscilloscope.
 Use a soft cloth dampened in a solution of mild
detergent and water. Do not spray any liquid
into the oscilloscope.
 Do not use chemicals containing harsh products
such as benzene, toluene, xylene, and acetone.
Operation
Environment
 Location: Indoor, no direct sunlight, dust free,
almost non-conductive pollution (Note below)
 Relative Humidity: < 80%
 Altitude: < 2000m
 Temperature: 0°C to 40°C
(Pollution Degree) EN 61010-1:2010 specifies pollution degrees and
their requirements as follows. The PPH-1503D/1506D/1510D falls
under degree 2.
Pollution refers to “addition of foreign matter, solid, liquid, or
gaseous (ionized gases), that may produce a reduction of dielectric
strength or surface resistivity”.
 Pollution degree 1: No pollution or only dry, non-conductive
pollution occurs. The pollution has no influence.
 Pollution degree 2: Normally only non-conductive pollution
occurs. Occasionally, however, a temporary conductivity caused
by condensation must be expected.
 Pollution degree 3: Conductive pollution occurs, or dry, non-
conductive pollution occurs which becomes conductive due to
condensation which is expected. In such conditions, equipment
is normally protected against exposure to direct sunlight,
precipitation, and full wind pressure, but neither temperature
nor humidity is controlled.

PPH-1503D/1506D/1510D User Manual
8
Storage
environment
 Location: Indoor
 Relative Humidity: < 70%
 Temperature: -10°C to 70°C

SAFETY INSTRUCTIONS
9
Power cord for the United Kingdom
When using the power supply in the United Kingdom, make sure
the power cord meets the following safety instructions.
NOTE: This lead/appliance must only be wired by competent persons
WARNING: THIS APPLIANCE MUST BE EARTHED
IMPORTANT: The wires in this lead are coloured in accordance with the
following code:
Green/ Yellow:
Earth
Blue:
Neutral
Brown:
Live (Phase)
As the colours of the wires in main leads may not correspond with the
coloured marking identified in your plug/appliance, proceed as follows:
The wire which is coloured Green & Yellow must be connected to the Earth
terminal marked with either the letter E, the earth symbol or coloured
Green/Green & Yellow.
The wire which is coloured Blue must be connected to the terminal which is
marked with the letter N or coloured Blue or Black.
The wire which is coloured Brown must be connected to the terminal
marked with the letter L or P or coloured Brown or Red.
If in doubt, consult the instructions provided with the equipment or contact
the supplier.
This cable/appliance should be protected by a suitably rated and approved
HBC mains fuse: refer to the rating information on the equipment and/or
user instructions for details. As a guide, a cable of 0.75mm2should be
protected by a 3A or 5A fuse. Larger conductors would normally require
13A types, depending on the connection method used.
Any exposed wiring from a cable, plug or connection that is engaged in a
live socket is extremely hazardous. If a cable or plug is deemed hazardous,
turn off the mains power and remove the cable, any fuses and fuse
assemblies. All hazardous wiring must be immediately destroyed and
replaced in accordance to the above standard.

PPH-1503D/1506D/1510D User Manual
10
OVERVIEW
This chapter contains a brief introduction to PPH-
1503D/1506D/1510D, the main features, as well
as an overview of the front and rear panel. Use the
Getting Started chapter on page 25 to start up
instructions and how to setup the appropriate
operation environment.
Introduction
Overview
The PPH-1503D/1506D /1510Dis a high-precision,
compact, dual output, multifunction,
programmable DC power supply with flexible
operating configurations. In addition to the basic
power supply functionality, it is also able to
measure pulse current, the average current over
long periods of time and other functions such as
battery simulation.
The PPH-1503D/1506D/1510D is designed for
testing the power consumption of battery powered
wireless communication devices (e.g. cell phones).
Such devices often have large load variations
within a short time span. The high precision
power supply has excellent voltage stability
during pulsed loads and is capable of
simultaneously measuring the pulse current, even
for very short pulses. In addition, the power
supply is able to sink current, allowing it to
simulate the characterics of a discharged
rechargeable battery for testing chargers and
charge control circuits.

OVERVIEW
11
Basic Power
Supply Function
The PPH-1503D/1506D/1510D works as a
conventional power supply with automatic
CC/CV crossover. Parameters such as the output
voltage, current, read back refresh rate, data
sampling period, power-on status, OVP and
current range can be configured using the control
panel. The voltage and current settings and the
actual voltage/current are displayed on the LCD.
For details, see page 32.
Pulse Current
Measurement
Function
The PPH-1503D/1506D /1510D can measure the
change in instantaneous current and the current of
extremely short pulses. The readback refresh rate,
data sampling period, trigger delay and trigger
level can be set by the front panel keys and is
displayed on the LCD. For details see page 45.
Current
Measurement
over Long Periods
This function can measure the average current of
one or more pulses. The readback refresh rate,
trigger mode, and trigger timeout and trigger level
settings are controlled by the front panel keys and
are displayed on the LCD display. For details, see
page 51.
Battery
Simulation
Function
The function can simulate a battery by setting the
internal resistance of the power source and also
display the real-time voltage and current on the
LCD. For details, see page 56.
Current Sink
Features
When the voltage of an external power source is
greater than the high-speed power supply output,
the system will automatically work as an
electronic load to sink current. For details, see
page 57.
Digital Volt
Meter
The PPH-1503D/1506D/1510D has a DVM function
that can measure DC voltages in the range of
0~20VDC. For details, see page 43.

PPH-1503D/1506D/1510D User Manual
12
Remote Control
To meet the various needs of customers, the PPH-
1503D/1506D/1510D is designed for USB, GPIB
and LAN remote control. For details, see page 79.
Additional
Features
The PPH-1503D/1506D /1510D has external relay
control signals for customers. The relay control
signals are synced to the pulse current
measurement feature. For details, see page 59.
Key Features
Features
 Low noise: Thermostatically controlled fan.
 Compact, lightweight.
 3.5 inch TFT display.
Operation
 Constant voltage and constant current operation
(CV/CC).
 Output on/off control (ON/OFF).
 CH1 Front and Rear output control key
(FRONT/REAR).
 Digital panel control.
 5 groups of save/recall settings and 10
automatically generated power-on settings.
 Digital voltage and current settings.
 Alarm buzzer (BEEP).
 Key lock function (LOCK).
Protection
Features
 Overvoltage and overcurrent protection
(OVP/Trip).
 Overtemperature protection (OTP).

OVERVIEW
13
Interface
 USB remote control.
 GPIB remote control.
 LAN remote control.

PPH-1503D/1506D/1510D User Manual
14
Operating Principals
Overview
The PPH-1503D/1506D/1510D mainly consists
of the follow components:
 AC to DC Switching power supply
 DC to DC Buck converter circuit
 Precision output control circuit
The block diagram below shows a function
description of each of the circuits. The following
page will show detailed descriptions of each
component.
Block Diagram
AC INPUT
AC TO DC
SWITCH POWER
DC TO DC
BUCK CIRCUIT
U342,Q325,Q326
U642,Q625,Q626
L306,L606
LINEAR
CONTROL
Q322,Q323,U340
Q622,Q623,U640
ON/OFF SWITCH
Q311,Q312,
Q315,Q316
Q615,Q616
AUXILIARY
POWER SUPPLY
U101,T101,T201
Q101~Q104
Q201~Q204
V-SET
I-SET
AND
VOLTAGE
COMPARATOR
U330A,U630A
VOLTAGE
SAMPLING
CIRCUIT
U327,U328,U627,U628
CURRENT
COMPARATOR
U330B,U333,U630B
CURRENT
SAMPLING
CIRCUIT
U316,U317,U616
SAMPLE
RESISTANCE
R471~R476
R772,R773
OUTPUT
Switching Power
Supply
AC power is converted to 24VDC by the switch
mode power supply module.
DC Down
Conversion
The U342, U642 Buck IC is used in conjunction
with two power MOSFETS (Q325/Q326,
Q625/Q626) and inductors (L306, L606) to
convert two sets of 24VDC to voltage value
which is slightly higher than the setting voltage
value.

OVERVIEW
15
Linear Output
Circuit (Linear
Regulator)
The322/Q323, Q622/Q623 dividers reduce the
heat on a single component. The U330, U327,
U328, U316, U317, U333, U630, U627, U628,
U616 and U630 components form a control
circuit to achieve accurate output.
Auxiliary Power
Supply
The independent auxiliary DC power supply is
achieved with the U101, T101, T201, Q101~Q104
and Q201~Q204 components.

OVERVIEW
17
Ammeter
Indicator
Displays the output current with up to 5 digits of
resolution, depending on the current range
(CH1:5A or 10A /500mA/5mA/AUTO;
PPH-1503D:CH2:1.5A/5mA/AUTO；
PPH-1506D/1510D:CH2:3.0A/5mA/AUTO). The
current range is selectable between A and mA.
CH1: 5A /10A
500mA
5mA
CH2: 1.5A/3.0A
5mA
Auto
Setting
Display
Displays the voltage and current settings.
CH1:
CH2:
Parameter
Settings
Display
Displays the relevant parameter settings. For details
on setting parameters, see page 29.
The following figure shows the basic power source
for both channels (V AND I)