APT 320XAC User manual

300XAC Series
Modular AC Power Source
Operation Manual for Models
310XAC
320XAC
340XAC
360XAC
Ver. 1.24
PART # 39101

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DECLARATION OF CONFORMITY
Manufacturer: Associated Power Technologies, Inc.
Address: 28105 N. Keith Drive
Lake Forest, IL 60045 USA
Product Name: 300XAC Power Source
Model Number: 310XAC, 320XAC
Conforms to the following Standards:
Safety: EN 61010-1:2010
EMC: EN 61326-1:2013 Class A
EN 55011 :2009+A2 :2010 Group 1 ClassA
EN 61000-3-2 : 2006+A1 :2009+A2 :2009/
IEC 61000-3-2 :2005+A1 :2008+A2 :2009
EN 61000-3-3 :2013/IEC 61000-3-3 :2013
EN 61326-1 :2013(Industrial Locations)
EN 61000-4-2 :2009/IEC 61000-4-2 :2008
EN 61000-4-3 :2006+A1 :2008+A2 :2010/
IEC 61000-4-3 :2006+A1 :2007+A2 :2010
EN 61000-4-4 :2012/ IEC 61000-4-4 :2012
EN 61000-4-5 :2006/ IEC 61000-4-5 :2005
EN 61000-4-5 :2006/ IEC 61000-4-5 :2005
EN 61000-4-6 :2014/ IEC 61000-4-6 :2013
EN 61000-4-8 :2010/ IEC 61000-4-8 :2009
EN 61000-4-11 :2004/ IEC 61000-4-11 :2004
Supplementary Information
The product herewith complies with the requirements of the Low Voltage Directive 2014/35/EU, the EMC Directive
2014/30/EU and the RoHS Directive 2011/65/EU with respect to the following substances: Lead (Pb), Mercury (Hg),
Cadmium (Cd), Hexavalent chromium (Cr (VI)), Polybrominated biphenyls (PBB), Polybrominated diphenyl ethers
(PBDE), Deca-BDE included.
Last two digits of the year in which the CE marking was affixed: 10
The technical file and other documentation are on file with Associated Research, Inc.
______________________________
Joseph Guerriero
President
Associated Power Technologies, Inc.
Lake Forest, Illinois USA
July 20, 2017
Table of Contents
1. Introduction....................................................................................................1
1.1 Warranty.................................................................................................1
1.2 Glossary of Terms...................................................................................2
1.3. Safety Symbols ..........................................................................................5

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1.4 Safety Precautions .................................................................................5
1.5 Service and Maintenance.......................................................................5
2. Getting Started...............................................................................................7
2.1 Unpacking and Inspection ......................................................................7
2.2 Input/Output Power Considerations........................................................7
2.3 Output Current Capability.......................................................................9
2.4 Instrument Power Switch......................................................................11
2.5 Selecting the Appropriate Wire Gauge..................................................13
2.6 Power Cable.........................................................................................13
2.7 Supplied Input Accessories (360XAC Only)..........................................15
2.8 Environmental Conditions.....................................................................15
2.9 Packaging.............................................................................................15
3. Specifications and Controls .........................................................................17
3.1 Specifications .......................................................................................17
3.2 Instrument Controls ..............................................................................29
3.2.1 Front Panel Controls......................................................................29
3.2.2 Rear Panel Controls......................................................................31
3.2.3 Soft Keys.......................................................................................34
4. Programming Instructions............................................................................36
4.1 Powering on the Instrument..................................................................36
4.1.1 Set Screen Description..................................................................37
4.1.2 Security .........................................................................................38
4.1.3 Lock...............................................................................................39
4.1.4 Mem Lock......................................................................................39
4.2 System Parameters Description...........................................................40
4.3 Editing System Parameters..................................................................43
4.3.1 Editing Auto Run Mode..................................................................44
4.3.2 Editing Out Mode...........................................................................45
4.3.3 Editing Single Step (PROGRAM Mode only).................................45
4.3.4 Editing Alarm .................................................................................46
4.3.5 Editing Contrast.............................................................................46
4.3.6 Editing Power Up...........................................................................47
4.3.7 Editing Loop Cycle (PROGRAM Mode only) .................................48
4.3.8 Editing V Hi-Lmt & V Lo-Lmt (MANUAL Mode only)......................48
4.3.9 Editing F Hi-Lmt & F Lo-Lmt (MANUAL Mode only) ......................49
4.3.10 Editing Start and EndAngle (MANUAL Mode only).......................50
4.3.11 Editing Results ..............................................................................51
4.3.12 Editing Transient (MANUAL Mode only)........................................52
4.3.13 Editing OC Fold.............................................................................53
4.3.14 Editing Lock...................................................................................53
4.3.15 Editing Mem Lock..........................................................................54
4.3.16 Editing Volt Sense .........................................................................55
4.3.17 Editing Sync Signal........................................................................55
4.3.18 Editing Function (Option 08 only) ..................................................56
4.4 Using Memories and Steps (PROGRAM Mode only) ...........................57
4.4.1 Selecting a Memory.......................................................................57

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4.4.2 Naming a Memory.........................................................................59
4.4.3 Selecting a Step ............................................................................60
4.5 Test Parameters Description.................................................................60
4.6 Editing Test Parameters........................................................................65
4.6.1 Editing Start and EndAngle (PROGRAM Mode only) ...................66
4.6.2 Editing the Memory Cycle (PROGRAM Mode only) ......................68
4.6.3 Editing the Memory (PROGRAM Mode only) ................................69
4.6.4 Editing the Step (PROGRAM Mode only)......................................69
4.6.5 Editing Voltage ..............................................................................70
4.6.6 Editing Frequency..........................................................................71
4.6.7 Editing Transient * (PROGRAM Mode only)..................................71
4.6.8 Editing Trans-Volt* (PROGRAM Mode only)..................................72
4.6.9 Editing Trans-Site* (PROGRAM Mode only) .................................73
4.6.10 Editing Trans-Time* (PROGRAM Mode only)................................74
4.6.11 Editing Trans-Cycle* (PROGRAM Mode only)...............................74
4.6.12 Editing Ramp Up (PROGRAM Mode only)....................................76
4.6.13 Editing Timer Unit (PROGRAM Mode only)...................................77
4.6.14 Editing Delay (PROGRAM Mode only)..........................................77
4.6.15 Editing Dwell (PROGRAM Mode only) ..........................................78
4.6.16 Editing Ramp Down (PROGRAM Mode only) ...............................79
4.6.17 Editing Step Cycle (PROGRAM Mode only)..................................79
4.6.18 Editing A Hi-Lmt & A Lo-Lmt (PROGRAM Mode only)...................80
4.6.19 Editing P Hi-Lmt & P Lo-Lmt (PROGRAM Mode only) ..................81
4.6.20 Editing Ap Hi-Lmt & Ap Lo-Lmt (PROGRAM Mode only)...............82
4.6.21 Editing CF Hi-Lmt & CF Lo-Lmt (PROGRAM Mode only)..............83
4.6.22 Editing PF Hi-Lmt & PF Lo-Lmt (PROGRAM Mode only)..............84
4.6.23 Editing VA Hi-Lmt & VALo-Lmt (PROGRAM Mode only) ..............85
4.6.24 Editing Q Hi-Lmt & Q Lo-Lmt (PROGRAM Mode only)..................87
4.6.25 Editing Prompt...............................................................................88
4.6.26 Editing Connect.............................................................................89
4.6.27 Editing Phase Set (Option 08 –PROGRAM Mode only)...............89
4.7 Reviewing Test Results.........................................................................90
5. Test Modes ..................................................................................................92
5.1 Description of Test Modes ....................................................................92
5.2 Initializing a Test in PROGRAM Mode..................................................92
5.2.1 AC Output......................................................................................92
5.2.2 DC Output .....................................................................................94
5.3 Initializing a Test in MANUAL Mode......................................................96
5.3.1 AC Output......................................................................................96
5.3.2 DC Output .....................................................................................97
6. Multiple Instrument Operation......................................................................99
6.1 Configuring Sources for Parallel and Polyphase Operation..................99
6.1.1 Operating Mode Definitions...........................................................99
6.1.2 Connecting the Interface Cable.....................................................99
6.1.3 Output Wiring Diagrams..............................................................100
6.2 Power Up Considerations in Parallel and Polyphase Mode................103

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6.3 Initializing a Test in Parallel or Polyphase Mode.................................104
6.4 Error Messages in Parallel and Polyphase Mode...............................105
7. Displayed Messages..................................................................................106
7.1 OTP –Over Temperature Protection ..................................................106
7.2 OCP –Over Current Protection..........................................................106
7.3 OPP –Over Power Protection............................................................106
7.4 OVP –Output Voltage Protection .......................................................107
7.5 A-SH –Amplifier Shutdown Protection ...............................................107
7.6 RCP –Reverse Current Protection.....................................................107
7.7 LVP- Low Voltage Protection ..............................................................107
8. Remote PLC..............................................................................................108
8.1 Signal Output......................................................................................108
8.2 Signal Input - 7 Memory Recall (Opt. 04)............................................108
9. Bus Remote Interface USB/GPIB/RS-232.................................................110
9.1 USB/RS-232 Interface........................................................................110
9.1.1 RS-232 Connector....................................................................... 111
9.1.2 Communication Port Configuration.............................................. 111
9.1.3 Sending and Receiving Commands ............................................ 111
9.2 GPIB Interface....................................................................................112
9.2.1 GPIB Connector ..........................................................................112
9.2.2 GPIB Address..............................................................................112
9.3 Interface Functions.............................................................................112
9.4 USB/GPIB/RS-232 Interface Command List.......................................113
9.4.1 Basic Commands and Query Commands ...................................114
9.4.2 3Φ4W Queries.............................................................................117
9.4.3 1Φ3W Queries.............................................................................118
9.4.4 Program Commands and Companion Queries............................118
9.4.5 System Commands and Companion Queries .............................122
9.4.6 IEEE 488.2 Common Commands................................................123
10. Calibration Procedure ............................................................................128
10.1 Hardware Verification and Calibration Procedure...............................128
10.2 Activate Non-Calibration Mode...........................................................128
10.3 Adjust Control Circuit Power Voltage..................................................128
10.4 Adjust the Amplifier Inverter DC Bus Voltage......................................129
10.5 Clear the Output High Frequency Noise.............................................129
10.6 Adjust the “0” Volts and “110” Volts DC Offset ....................................129
10.7 Adjust Wattmeter Offset......................................................................130
10.8 Adjust Hardware OCP Set Point.........................................................131
10.9 Exit Non-Calibration Mode..................................................................131
10.10 Software Calibration Procedure ......................................................131
10.11 Enter Calibration Mode ...................................................................133
10.12 Calibration of Voltage 150.0V..........................................................133
10.13 Calibration of Voltage 300.0V..........................................................134
10.14 Calibration of High and Low Current Range....................................135
10.15 Calibration of High and Low Power Range .....................................135
10.16 Calibration of Peak Current.............................................................136

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11. Options...................................................................................................138
11.1 Opt. 02 –Grounded Neutral ...............................................................138
11.2 Opt. 03 –GPIB Card ..........................................................................138
11.3 Opt. 04 –7 Remote Memories Select.................................................138
11.4 Opt. 06 –Ethernet Card......................................................................138
11.4.1 Ethernet Card Setup....................................................................139
11.4.2 Saving New Settings ...................................................................141
11.4.3 Power Up.....................................................................................141
11.4.4 Ethernet Card Menu....................................................................143
11.4.5 IP Setup.......................................................................................143
11.4.6 IPAddress...................................................................................144
11.4.7 Gateway IP..................................................................................144
11.4.8 Subnet Mask ...............................................................................144
11.4.9 Device Name...............................................................................145
11.4.10 MAC Address...........................................................................146
11.4.11 Barcode Input ..........................................................................146
11.4.12 Autostart ..................................................................................148
11.4.13 Ethernet Card Settings Commands and Companion Queries..149
11.4.14 Ethernet Card Settings Command Wait Times.........................151
11.5 Opt. 08 –Linking Card........................................................................151
12. Service and Maintenance.......................................................................152
13. Replacement Parts List..........................................................................153

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1. Introduction
1.1 Warranty
Associated Power Technologies, Inc. (APT), certifies that the instrument listed in
this manual meets or exceeds published manufacturing specifications. This
instrument was calibrated using standards that are traceable to the National
Institute of Standards of Technology.
Your new instrument is warranted to be free from defects in workmanship and
material for a period of (3) years from date of shipment. During the warranty
period, you must return the instrument to Associated Power Technologies, Inc. or
its branches for repair. Associated Power Technologies reserves the right to use
its discretion on replacing the faulty parts or replacing the assembly or the whole
unit.
APT will void your warranty under the following states:
Operation of the instrumentation under non-normal conditions
Any non-authorized modifications, tampering or physical damage
Elimination of any connections in the earth grounding system or bypassing
any safety systems
Use of non-authorized parts in the repair of this instrument. Parts used
must be parts that are recommended byAPT as an acceptable specified
part.
This warranty does not cover accessories not of Associated Power
Technologies, Inc. manufacture.
Except as provided herein, APT, makes no warranties to the purchaser of this
instrument and all other warranties, expressed or implied (including, without
limitation, merchantability or fitness for a particular purpose) are hereby excluded,
disclaimed and waived.
APT recommends that your instrument be calibrated on a twelve month cycle.
Instruments returned to APT annually for calibration fall under our extended
warranty which can be extended up to five years. Each year the instrument is
returned to APT in consecutive years the warranty is extended one additional
year. This process can be repeated up to four years for a 5-Year Warranty.
Instruments returned for warranty repair within the first six months of the warranty
period, will have the warranty extended for one year from the date of repair at no
charge. Instruments received after the first six months can have the warranty
extended for 3 months after its original expiration date at no charge or the

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warranty can be extended for a full year at the cost of an annual calibration.
1.2 Glossary of Terms
Alternating Current (AC) - current that reverses direction on a regular basis
(usually 60 times per second in the United States). Measured in amps.
AC Power Source - An instrument that takes one AC voltage and frequency
level and converts it into another AC voltage and frequency level.
Amplifier - a circuit that boosts an input signal from one level to another.
Apparent Power - The total power generated or consumed by a device due to
real and reactive circuit components. Measured in VA (volt-amps).
Calibration - the process of comparing an unknown value with a reference
standard and reporting the results. For example: Applied = 1.30V, Indicated =
1.26V (or Error= -0.04V). Calibration may include adjustment to correct any
deviation from the value of the standard.
Crest Factor - The ratio of peak current (Apeak) to RMS current (Arms).
Complex Power –the vector sum of the real and reactive power components of
a circuit. Measured in VA (volt-amps).
Direct Current (DC) - current that only flows in one direction. Direct current
comes from a polarized source, meaning one terminal is always at a higher
potential than the other. Measured in amps.
Frequency - The number of times a waveform completes a cycle in a period of
time. Measured in hertz.
Inrush Current - A term used to describe the current needed to power a load
upon start-up. Some loads require a large/inrush starting current in order to
operate.
Linear Power Source - a power source that uses a simple amplifier to linearly
increase the amplitude of the output waveform.
Modular - capability that allows the operator to interconnect multiple 300XAC
power sources in order to increase the power output or power configuration
beyond that of a single instrument.

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OC Fold - Over current fold back is a technology used in power sources that
keeps output current constant by reducing the voltage in order to power loads
that may have a high inrush current.
Parallel Mode - up to 3x 300XAC modular AC power sources can be configured
with their outputs tied in parallel, allowing for the system to output three times a
single instrument's nominal output current rating.
PFC - Power Factor Correction is a method by which an inductance is inserted
into the input circuit of a power source to improve the power factor and overall
efficiency of the system.
Phase Angle - the degree of measurement that corresponds to an AC
waveform’s amplitude. Measured from 0 – 360 degrees.
PLC - Programmable Logic Control is an automation method using relay or
digital technology.
Polyphase Mode - multiple 300XAC modularAC power sources can be
configured to provide output voltages of up to 600VAC (output configured for
1Φ3W) or provide 3Φ output power (output configured for 3Φ4W).
Power - A generic term used to describe electrical work being done. There are
many types of power, including real power, reactive power, apparent power, and
complex power.
Power factor - The ratio of real power (watts) to apparent power (VA). Based on
a scale from 0 to 1 to determine how reactive and resistive a load is.
Reactive Power –the power absorbed by capacitive or inductive elements in a
circuit. This power does no work. Measured in VAR (volt-amps reactive).
Real Power –the power that performs work in a circuit. Measured in watts.
Response Time - The time that is needed to regulate the voltage, current,
frequency, and power output when a load is added to the power source.
Safety Agency Listing - A safety mark given to a product that has met stringent
benchmarks as classified by the authorized agency.
SmartConfig - this feature allows the operator to change the output of AC power
sources in a linked system from Parallel to Polyphase modes with a simple
button push. Changing internal cables or dip switches is not required.

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SmartDetect - this feature automatically assigns the appropriate master/slave
designation for each AC power source in a linked system without the need for the
operator to reconfigure internal hardware.
Steady State Current - A term used to describe the current when the load is
running nominally after the inrush current.
Switching Power Source - A power source that uses switching technology
(integrated circuits and components) in order to generate the output waveform.
Total Harmonic Distortion (THD) - A percentage that is used to identify the
degree of the noise/unclean signal in a power source’s output waveform.
Transient - a momentary change (spike or dip) in a voltage or current waveform
that can affect the performance of the DUT.
Verification - comparison of measured results against a specification, usually the
manufacturer's published performance figures for the product (e.g. Error = -0.04V,
Spec = ±0.03V, result: "FAIL").
Voltage - The amount of force that is needed to move current from point to point.
Measured in volts.

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1.3. Safety Symbols
1.3.1 Product Marking Symbols
Product will be marked with this symbol when it is necessary to refer to
the operation and service manual in order to prevent injury or
equipment damage.
Product will be marked with this symbol when hazardous voltages may
be present.
Product will be marked with this symbol at connections that require
earth grounding.
1.3.2 Caution and Warning Symbols
Calls attention to a procedure, practice, or condition that
could possibly cause bodily injury or death.
Calls attention to a procedure, practice, or condition that
could possibly cause damage to equipment or permanent
loss of data.
1.4 Safety Precautions
This product and its related documentation must be reviewed for
familiarization with safety markings and instructions before operation.
Before applying power verify that the instrument is set to the correct line
voltage and the correct fuse is installed
To prevent accidental injury or death, these safety
procedures must be strictly observed when handling
and using the test instrument.
1.5 Service and Maintenance
User Service
To prevent electric shock do not remove the instrument cover. There are no user
serviceable parts inside. Routine maintenance or cleaning of internal parts is not

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necessary. Any external cleaning should be done with a clean dry or slightly
damp cloth. Avoid the use of cleaning agents or chemicals to prevent any foreign
liquid from entering the cabinet through ventilation holes or damaging controls
and switches, also some chemicals may damage plastic parts or lettering. Any
replacement cables and high voltage components should be acquired directly
from APT or its distributors.
Service Interval
The instrument must be returned at least once a year to anAPT authorized
service center for calibration and inspection of safety related components. APT
will not be held liable for injuries suffered if the instrument is not properly
maintained and safety checked annually.
User Modifications
Unauthorized user modifications will void your warranty. APT will not be
responsible for any injuries sustained due to unauthorized equipment
modifications or use of parts not specified byAPT. Instruments returned to APT
with unsafe modifications will be returned to their original operating condition at
the customer’s expense.

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2. Getting Started
This section contains information for the unpacking, inspection, preparation for
use and storage of your APT product.
2.1 Unpacking and Inspection
Your instrument was shipped in a protective shipping carton designed to protect
the instrument through the shipping process. If the shipping carton is damaged,
inspect the contents for visible damage such as dents, scratches, or broken
display. If the instrument is damaged, notify the carrier and APT’s customer
support department. Please save the shipping carton and packing material for
the carrier’s inspection. Our customer support department will assist you in the
repair or replacement of your instrument. Please do not return your product
without first notifying us.
Safe Lifting and Carrying Instructions
Proper methods of lifting and carrying can help to protect against injury. Follow
the recommendations below to ensure that instruments are handled in a safe
manner.
Determine if the instrument can be lifted by one individual or requires
additional support.
Make sure that your balance is centered and your feet are properly
spaced, shoulder width apart behind the instrument.
Bend at the knees and make sure your back is straight.
Grip the instrument with your fingers and palms and do not lift unless your
back is straight.
Lift up with your legs, not your back.
Keep the instrument close to your body while carrying.
Lower the instrument by bending your knees. Keep you back straight.
2.2 Input/Output Power Considerations
Special care should be taken when making connections to the input and output
terminal blocks located on the rear panel of the 300XAC. Ensure that the

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appropriate wire gauges are used to assemble a satisfactory line cord. Failure to
assemble a quality line cord could result in fire or personal injury. Refer to the
following graphs for input/output current requirements:
310XAC
320XAC

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340XAC
360XAC
2.3 Output Current Capability
The following charts indicate the output current capability of each 300XAC model
depending on the output voltage and the selected voltage range:

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310XAC
320XAC

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340XAC
360XAC
2.4 Instrument Power Switch
The power switch that is included in the instrument is not considered a
disconnecting device. It only disconnects one current carrying conductor to
power off the device. The user should configure the equipment with an external

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switch or circuit breaker for disconnecting it from each operating energy supply
source. In compliance with EN61010-1 for permanently connected equipment
this switch should meet the following guidelines.
a.) It shall be included in the building installation.
b.) It shall be in close proximity to the equipment and within easy reach of
the operator.
c.) It shall be marked as the disconnecting device for the equipment
d.) It shall not interrupt the protective earth conductor.

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2.5 Selecting the Appropriate Wire Gauge
Below is a table which provides recommended appropriate wire gauges for the
300XAC.
310XAC
Input
Output
Terminal
Line
Neutral
Ground
Line
Neutral
Ground
Nsense
Lsense
Gauge
12 AWG
12 AWG
12 AWG
14 AWG
14 AWG
14 AWG
18 AWG
18 AWG
320XAC
Input
Output
Terminal
Line
Neutral
Ground
Line
Neutral
Ground
Nsense
Lsense
Gauge
12 AWG
12 AWG
12 AWG
14 AWG
14 AWG
14 AWG
18 AWG
18 AWG
340XAC
Input
Output
Terminal
Line
Neutral
Ground
Line
Neutral
Ground
Nsense
Lsense
Gauge
10 AWG
10 AWG
10 AWG
10 AWG
10 AWG
10 AWG
18 AWG
18 AWG
360XAC
Input
Output
Terminal
Line(A,B,C)
Neutral (A,B,C)
Ground
Line
Neutral
Ground
Nsense
Lsense
1Φ2W
10 AWG
10 AWG
10 AWG
8 AWG
8 AWG
8 AWG
18 AWG
18 AWG
3Φ3W
12 AWG
N/A
12 AWG
3Φ4W
14 AWG
14 AWG
14 AWG
2.6 Power Cable
Before connecting power to this instrument, the protective
ground (earth) terminals of this instrument must be
connected to the protective conductor of the line (mains)
power cord. The main plug shall only be inserted in a socket outlet (receptacle)
provided with a protective ground (earth) contact. This protective ground (earth)
must not be defeated by the use of an extension cord without a protective
conductor (grounding).
The mains plug is used as the disconnecting device and
shall remain readily operable. The socket-outlet shall be
installed. Near the equipment and shall be easily
accessible.
The main plug shall only be inserted in a socket outlet with
a protective ground (earth) contact. This protective ground
must not be defeated by the use of an extension cord
without a protective conductor.

14
Do not replace the power supply cord with an improperly
rated cord. For North American: A UL listed and CSA
labeled power cord must be used with the instrument in the
United States and Canada. The power cord must include a NEMA5-15 style male
plug, SVT or SJT cord sets, and be rated for at least 125VAC, 10A, number 16
gauge (or 125VAC, 15A, number 14 gauge) wire or larger, and the length of the
cord does not exceed 2 m must be used. For European:A certified power supply
cord not lighter than light PVC sheathed flexible cord according to IEC 60227,
designation H03 VV-F or H03 VVH2-F (for equipment mass not exceeding 3 kg),
or H05 VV-F or H05 VVH2-F2 (for equipment mass exceeding 3 kg), and be
rated for at least 3G 0.75 mm² (for rated current up to 10 A) or 3G 1.0mm² (for
rated current over 10A up to 16 A) wire or larger, and the length of the cord does
not exceed 2 m must be used.
360XAC Power Cable Considerations
The 360XAC can be powered with several different input power configurations.
Refer to the diagram below for connecting a single phase, 3 phase wye, and 3
phase delta power source to the instrument:
L1
L2
L3
N1
N2
N3
L N
1P2W
L1
N1
L2 N2
L3
N3
A
B
C
3P3W
L1
N1
L2
N2
L3
N3
A
BC
N
3P4W
AC IN
L3
G
N2
AC IN
L2
G
N3
PFC1
360XAC
N1
L1
AC IN
G
PFC3
PFC2
L
1P2W
N3
L1
GN2
L2L3
G N
N1
N3
C
L3
G
3P3W
L1
N1
L2
N2
BAG
L2
N
L3
N1
B
G
N2
L1
N3
A
G
3P4W
C
Power System Rear Panel