To properly use the product, read this manual thoroughly and retain
for easy reference, inspection, and maintenance. Ensure the end user
receives this manual.
No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means,
mechanical, electronic, photocopying, recording, or otherwise, without the prior written permission of Yaskawa. No patent
liability is assumed with respect to the use of the information contained herein. Moreover, because Yaskawa is constantly
striving to improve its high-quality products, the information contained in this manual is subject to change without notice.
Every precaution has been taken in the preparation of this manual. Yaskawa assumes no responsibility for errors or omissions.
Neither is any liability assumed for damages resulting from the use of the information contained in this publication.
Quick Start Procedure
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This procedure is a supplement to other documentation supplied with this equipment and guides the user in properly wiring
the Z1000U Bypass and motor.
WARNING! Read and adhere to all safety messages contained in this manual prior to performing this procedure. When installing the system
be sure to follow good wiring practices and all applicable codes. Ensure that the mounting of the various components are secure and that
the environment, such as extreme dampness, poor ventilation etc. will not cause system degradation. Please read this cheat sheet and
other documentation provided with the bypass thoroughly before attempting any installation.
Option B .......................................................................................................................................... 305
Option D .......................................................................................................................................... 305
Option G .......................................................................................................................................... 305
Option K (Control) ........................................................................................................................... 305
Option K (Power)............................................................................................................................. 305
Option N .......................................................................................................................................... 305
Option W (Control) .......................................................................................................................... 305
Option W (Power)............................................................................................................................ 305
This section provides safety messages pertinent to this product that, if not heeded, may result in fatality,
personal injury, or equipment damage. Yaskawa is not responsible for the consequences of ignoring
these instructions.
Yaskawa manufactures products used as components in a wide variety of industrial systems and equipment. The selection and
application of Yaskawa products remain the responsibility of the equipment manufacturer or end user. Yaskawa accepts no
responsibility for the way its products are incorporated into the final system design. Under no circumstances should any
Yaskawa product be incorporated into any product or design as the exclusive or sole safety control. Without exception, all
controls should be designed to detect faults dynamically and fail safely under all circumstances. All systems or equipment
designed to incorporate a product manufactured by Yaskawa must be supplied to the end user with appropriate warnings and
instructions as to the safe use and operation of that part. Any warnings provided by Yaskawa must be promptly provided to
the end user. Yaskawa offers an express warranty only as to the quality of its products in conforming to standards and
specifications published in the Yaskawa manual. NO OTHER WARRANTY, EXPRESS OR IMPLIED, IS OFFERED.
Yaskawa assumes no liability for any personal injury, property damage, losses, or claims arising from misapplication of its
products.
This manual is designed to ensure correct and suitable application of the Z1000U Bypass. Read this manual before attempting
to install, operate, maintain, or inspect the bypass unit and keep it in a safe, convenient location for future reference. Be sure
you understand all precautions and safety information before attempting application.
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Product Description
The Z1000U MATRIX HVAC Bypass combines excellent harmonic mitigation, input power factor control, and energy saving
capabilities in a design specifically suited for use in HVAC building automation applications that require reliable motor control.
The bypass package provides a Z1000U MATRIX drive in a NEMA rated enclosure with a 2-contactor style bypass to allow
motor operation from the drive or across the line. The Z1000U MATRIX drive incorporates MATRIX technology to directly
convert input AC voltage to output AC voltage. The Z1000U MATRIX drive offers real choices and benefits for green HVAC
applications.
The Z1000U features HVAC application-specific software macros, a Hand/Off/Auto LCD keypad, and a real time clock for
system accuracy. Popular building automation communication protocols BACnet, Siemens APOGEE, Johnson Controls
Metasys, and MEMOBUS/ Modbus are embedded in the drive.
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Applicable Documentation
The following manuals are available for the Z1000U MATRIX Bypass:
Z1000U HVAC MATRIX Bypass Technical Manual
Read this manual first. This manual is packaged together with the product and contains basic information
required to install and wire the bypass. It also gives detailed information on fault diagnostics, parameter
settings, and serial communication specifications. The purpose of this manual is to prepare the Z1000U
Bypass for a trial run with an application and for basic operation. This manual is also available for
download on the Yaskawa documentation website, www.yaskawa.com.
Z1000U HVAC MATRIX Drive User Manual
This manual contains detailed information on fault diagnostics, parameter settings, and BACnet
specifications. The most recent version of this manual is available for download on our documentation
website, www.yaskawa.com.
Z1000U HVAC MATRIX Drive Programming Manual
This manual provides detailed information on parameter settings, drive functions, and MEMOBUS/
Modbus specifications. Use this manual to expand drive functionality and to take advantage of higher
performance features. The most recent version of this manual is available for download on our
documentation website, www.yaskawa.com.
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Symbols
Note:Indicates a supplement or precaution that does not cause drive damage.
Indicates a term or definition used in this manual.
This manual may describe trademarked equipment, which is the property of other companies. These trademarks are the property
of the registered owner companies and may include the following:
• BACnet is a trademark of the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE).
•
APOGEE™ FLN, trademark of Siemens Building Technologies, Inc.
• Metasys®, trademark of Johnson Controls Inc.
• Modbus®, trademark of Schneider Automation, Inc.
• LONWORKS®, trademark of Echelon Corporation
• Other companies and product names mentioned in this manual are trademarks of those companies.
• The diagrams in this manual may be indicated without covers or safety shields to show details. Replace the covers or shields before
operating the drive and run the drive according to the instructions described in this manual.
• Any illustrations, photographs, or examples used in this manual are provided as examples only and may not apply to all products to
which this manual is applicable.
• The products and specifications described in this manual or the content and presentation of the manual may be changed without notice
to improve the product and/or the manual.
• When ordering a new copy of the manual due to damage or loss, contact your Yaskawa representative or the nearest Yaskawa sales
office and provide the manual number shown on the front cover.
• If nameplate becomes worn or damaged, order a replacement from your Yaskawa representative or the nearest Yaskawa sales office.
WARNING
Read and understand this manual before installing, operating or servicing this drive. The drive must be installed according
to this manual and local codes.
The following conventions are used to indicate safety messages in this manual. Failure to heed these messages could result
in serious or fatal injury or damage to the products or to related equipment and systems.
DANGER
Indicates a hazardous situation, which, if not avoided, will result in death or serious injury.
WARNING
Indicates a hazardous situation, which, if not avoided, could result in death or serious injury.
WARNING! may also be indicated by a bold key word embedded in the text followed by an italicized safety message.
CAUTION
Indicates a hazardous situation, which, if not avoided, could result in minor or moderate injury.
CAUTION! may also be indicated by a bold key word embedded in the text followed by an italicized safety message.
NOTICE
Indicates a property damage message.
NOTICE: may also be indicated by a bold key word embedded in the text followed by an italicized safety message.
Failure to comply could result in death or serious injury.
The operating company is responsible for any injuries or equipment damage resulting from failure to heed the warnings in
this manual.
Sudden Movement Hazard
System may start unexpectedly upon application of power, resulting in death or serious injury.
Clear all personnel from the drive, motor and machine area before applying power. Secure covers, couplings, shaft keys and
machine loads before applying power to the drive.
Electrical Shock Hazard
Do not connect or disconnect wiring while the power is on.
Failure to comply could result in death or serious injury.
Before servicing, disconnect all power to the equipment. The internal capacitor remains charged even after the power supply
is turned off. The charge indicator LED will extinguish when the DC bus voltage is below 50 Vdc. To prevent electric shock,
wait for at least the time specified on the warning label, once all indicators are OFF, measure for unsafe voltages to confirm
the drive is safe prior to servicing.
Do not attempt to modify or alter the drive in any way not explained in this manual.
Failure to comply could result in death or serious injury.
Yaskawa is not responsible for any modification of the product made by the user. This product must not be modified.
Do not allow unqualified personnel to use equipment.
Failure to comply could result in death or serious injury.
Maintenance, inspection, and replacement of parts must be performed only by authorized personnel familiar with installation,
adjustment and maintenance of AC drives.
Do not remove covers or touch circuit boards while the power is on.
Failure to comply could result in death or serious injury.
Make sure the protective earthing conductor complies with technical standards and local safety regulations.
Because the leakage current exceeds 3.5 mA, IEC/EN 61800-5-1 states that either the power supply must be automatically
disconnected in case of discontinuity of the protective earthing conductor or a protective earthing conductor with a crosssection of at least 10 mm2 (Cu) or 16 mm2 (Al) must be used. Failure to comply may result in death or serious injury.
Always use appropriate equipment for Ground Fault Circuit Interrupters (GFCIs).
The drive can cause a residual current with a DC component in the protective earthing conductor. Where a residual current
operated protective or monitoring device is used for protection in case of direct or indirect contact, always use a type B GFCI
according to IEC/EN 60755.
Fire Hazard
Branch Circuit protection is required to be installed according to applicable local codes and the requirements listed on the
bypass nameplate. Failure to comply could result in fire and damage to the bypass and drive or injury to personnel. Bypass
models without soft-starter option PW are suitable for use on a circuit capable of delivering not more than 100,000 RMS
symmetrical amperes, 208 Vac and 480 Vac. Bypass models D169 to D211 and B180 to B414 with option PW are also
suitable for use on a circuit capable of delivering not more than 100,000 RMS symmetrical amperes, 208 Vac and 480 Vac.
Bypass models D024 to D143 and B011 to B156 with option PW are suitable for use on a circuit capable of delivering not
more than 65,000 RMS symmetrical amperes, 208 Vac and 480 Vac.
Do not use an improper voltage source.
Failure to comply could result in death or serious injury by fire.
Verify that the rated voltage of the drive matches the voltage of the incoming power supply before applying power.
Observe proper electrostatic discharge procedures (ESD) when handling the drive and circuit boards.
Failure to comply may result in ESD damage to the drive circuitry.
Do not perform a withstand voltage test on any part of the drive.
Failure to comply could result in damage to the sensitive devices within the drive.
Do not operate damaged equipment.
Failure to comply could result in further damage to the equipment.
Do not connect or operate any equipment with visible damage or missing parts.
Do not expose the drive to halogen group disinfectants.
Failure to comply may cause damage to the electrical components in the drive.
Do not pack the drive in wooden materials that have been fumigated or sterilized.
Do not sterilize the entire package after the product is packed.
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General Application Precautions
Selection
n
Installing a Reactor
Use an AC reactor in the following situations:
• to suppress harmonic current.
• when the drive is running from a power supply system with thyristor converters.
Drive Capacity
For specialized motors, make sure that the motor rated current is less than the rated output current for the drive.
When running more than one motor in parallel from a single drive, the capacity of the drive should be larger than [total motor
rated current × 1.1].
Starting Torque
The startup and acceleration characteristics of the motor are restricted to the drive overload current rating.
The overload rating for the drive determines the starting and accelerating characteristics of the motor. Expect lower torque
than when running from line power. To achieve a higher starting torque, use a larger drive or a drive and motor with larger
capacity.
Emergency Stop
During a drive fault condition, the output shuts off but the motor does not stop immediately. A mechanical brake may be
required when it is necessary to stop the motor faster than the ability of the Fast Stop function of the drive.
Installation
n
Enclosure Panels
Keep the drive in a clean environment. Be sure to leave the required space between drives to provide for cooling, and take
proper measures so the ambient temperature remains within allowable limits and keep flammable materials away from the
drive.
Installation Direction
NOTICE: Install the drive upright as specified in the manual. Refer to Mechanical Installation on page 70 for more information on
installation. Failure to comply may damage the drive due to improper cooling.
Settings
n
Upper Limits
NOTICE: The drive is capable of running the motor up to 240 Hz. Be sure to set the upper limit for the frequency of the drive to prevent the
possible danger of accidentally operating equipment at higher than rated speed. The default setting for the maximum output frequency is
60 Hz.
DC Injection Braking
NOTICE: Excessive current during DC Injection Braking and excessive duration of DC Injection Braking can cause motor overheat.
Acceleration and deceleration times are affected by the amount of torque generated by the motor, the load torque, and the
inertia moment. Set a longer accel/decel time when Stall Prevention is enabled. The accel/decel times are lengthened for as
long as the Stall Prevention function is in operation. Install one of the available braking options or increase the capacity of the
drive for faster acceleration and deceleration.
General Handling
n
Wiring Check
NOTICE: Do not connect power supply lines to output terminals U/T1, V/T2, or W/T3. Failure to comply will destroy the drive. Be sure to
perform a final check of all sequence wiring and other connections before turning on the power and also check for short circuits on the
control terminals, which may damage the drive.
Inspection and Maintenance
WARNING! Electrical Shock Hazard. Capacitors in the drive do not immediately discharge after shutting off the power. Wait for at least the
amount of time specified on the drive before touching any components after shutting off the power. Failure to comply may cause injury to
personnel from electrical shock.
Transporting the Drive
NOTICE: Never steam clean the drive. During transport, keep the drive from coming into contact with salts, fluorine, bromine, phthalate
ester, and other such harmful chemicals.
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Motor Application Precautions
Insulation Tolerance
NOTICE: Consider motor voltage tolerance levels and motor insulation in applications with an input voltage of over 480 V or particularly
long wiring distances.
High-Speed Operation
NOTICE: Problems may occur with the motor bearings and dynamic balance of the machine when operating a motor beyond its rated speed.
Contact the motor or machine manufacturer.
Torque Characteristics
Torque characteristics differ compared to operating the motor directly from line power. The user should have a full
understanding of the load torque characteristics for the application.
Vibration and Shock
The drive allows selection of high carrier PWM control and low carrier PWM. Selecting high carrier PWM can help reduce
motor oscillation.
Take particular caution when adding a variable speed drive to an application running a motor from line power at a constant
speed. If resonance occurs, install shock-absorbing isolation mounts around the base of the motor and enable the Jump
frequency selection to prevent continuous operation in the resonant frequency range.
Audible Noise
The audible noise of the motor varies based on the carrier frequency setting. However, drive current derating may be required.
When using a high carrier frequency, audible noise from the motor is comparable to the motor noise generated when running
from line power.
Specialized Motors
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Multi-Pole Motor
The rated current of a multi-pole motor differs from that of a standard motor, so be sure to check the maximum current when
selecting a drive. Always stop the motor before switching between the number of motor poles. The motor will coast to stop if
a regen overvoltage (ov) fault occurs or if overcurrent (oC) protection is triggered.
Submersible Motor
The rated current of a submersible motor is greater than that of a standard motor, so select the drive accordingly. Use a motor
cable large enough to avoid decreasing the maximum torque level from voltage drop caused by a long motor cable.
Explosion-Proof Motor
The motor and the drive must be tested together to be certified as explosion-proof. The drive is not designed for explosionproof areas.
Read manual before installing.
Wait 5 minutes for capacitor
discharge after disconnecting
power supply.
To conform to requirements,
make sure to ground the supply
neutral for 400V class.
After disconnecting from power
supply,please wait 5 minutes
before inspecting, performing
maintenance or wiring the
converter.
Risk of electric shock.
Hot Surfaces
Wait 5 minutes or longer
until the unit has cooled.
●
●
●
●
●
i.2 General Safety
Geared Motor
Make sure that the gear and the lubricant are rated for the desired speed range to avoid gear damage when operating at low
speeds or very high speeds. Consult with the manufacturer for applications that require operation outside the rated speed range
of the motor or gear box.
Single-Phase Motor
Variable speed drives are not designed to operate with single phase motors. Using capacitors to start the motor causes excessive
current to flow and can damage drive components. A split-phase start or a repulsion start can burn out the starter coils because
the internal centrifugal switch is not activated. The drive is for use with three-phase motors only.
Motor with Brake
Take caution when using the drive to operate a motor with a built-in holding brake. If the brake is connected to the output side
of the drive, it may not release at start due to low voltage levels, so be sure to install a separate power supply for the motor
brake. Note that motors with built-in brakes tend to generate a fair amount of noise when running at low speeds.
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Drive Label Warning Example
Always heed the warning information listed in Figure i.1.
52
Figure i.1 Warning Information Example and Position
Customers are responsible for periodic inspections of the drive. Upon request, a Yaskawa representative will inspect the drive
for a fee. If the Yaskawa representative finds the drive to be defective due to Yaskawa workmanship or materials and the
defect occurs during the warranty period, this inspection fee will be waived and the problem remedied free of charge.
Repairs
If a Yaskawa product is found to be defective due to Yaskawa workmanship or materials and the defect occurs during the
warranty period, Yaskawa will provide a replacement, repair the defective product, and provide shipping to and from the site
free of charge.
However, if the Yaskawa Authorized Service Center determines that the problem with the drive is not due to defective
workmanship or materials, the customer will be responsible for the cost of any necessary repairs. Some problems that are
outside the scope of this warranty are:
Problems due to improper maintenance or handling, carelessness, or other reasons where the customer is determined to be
responsible.
Problems due to additions or modifications made to a Yaskawa product without Yaskawa’s understanding.
Problems due to the use of a Yaskawa product under conditions that do not meet the recommended specifications.
Problems caused by natural disaster or fire.
After the free warranty period elapses.
Replenishment or replacement of consumables or expendables.
Defective products due to packaging or fumigation.
Other problems not due to defects in Yaskawa workmanship or materials.
Warranty service is only applicable within the country where the product was purchased. However, after-sales service is
available for customers outside of the country where the product was purchased for a reasonable fee.
Contact your local Yaskawa representative for more information.
Exceptions
Any inconvenience to the customer or damage to non-Yaskawa products due to Yaskawa’s defective products whether within
or outside of the warranty period are NOT covered by warranty.
Restrictions
n
The drive is not designed or manufactured for use in devices or systems that may directly affect or threaten human lives or
health.
Customers who intend to use the product described in this manual for devices or systems relating to transportation, health
care, space aviation, atomic power, electric power, or in underwater applications must first contact their Yaskawa
representatives or the nearest Yaskawa sales office.
WARNING! Injury to Personnel. This product has been manufactured under strict quality-control guidelines. However, if this product is to
be installed in any location where failure of this product could involve or result in a life-and-death situation or loss of human life or in a facility
where failure may cause a serious accident or physical injury, safety devices must be installed to minimize the likelihood of any accident.
Observe proper electrostatic discharge procedures (ESD) when handling the drive and circuit boards.
Failure to comply may result in ESD damage to the drive circuitry.
A motor connected to a PWM drive may operate at a higher temperature than a utility-fed motor and the operating
speed range may reduce motor cooling capacity.
Ensure that the motor is suitable for drive duty and/or the motor service factor is adequate to accommodate the additional
heating with the intended operating conditions.
Table 1.1 gives an overview of the various features associated with the bypass.
Table 1.1 Control Mode Features
Motor TypeInduction MotorsComments
Control ModeV/f–
Basic DescriptionV/f control–
Motor TypeIM–
Type of Applications
Control
Characteristics
Application-Specific
Commercial Power Switching
Multi MotorYES–
Motor data unknownYES–
High Speed Accuracy––
Speed Control Range1:40
Speed Accuracy±2 to 3%
Speed Response3 Hz (approx.)
Starting Torque150% at 3 Hz
Auto-Tuning
Speed SearchYES
Energy-Saving ControlYES
Overexcitation
Deceleration
Selection
• Energy Saving Tuning
• Line to line resistance
YES
YES
1.2 General Description
May fluctuate with characteristics and motor
temperature.
Speed deviation when operating at constant speed
may fluctuate with characteristics and motor
temperature.
Max. frequency of a speed reference signal that the
drive can follow may fluctuate with characteristics
and motor temperature.
Starting torque may fluctuate with characteristics
and motor temperature.
Automatically adjusts parameter settings that
concern electrical characteristics of the motor.
Bi-directional speed detection of a coasting motor
to restart it without stopping.
Saves energy by always operating the motor at its
maximum efficiency.
Provides fast deceleration without using a braking
resistor.
When the output frequency matches the power
supply frequency (60 Hz), the PWM switching
operation stops and switches to operation with a
direct commercial power supply connection.
YASKAWA ELECTRIC CORPORATION
2-1 Kurosaki-shiroishi, Yahatanishi-Ku, Kitakyushu 806-0004 Japan
H
G
F
E
D
B
A
C
1.3 Model Numbers and Nameplate Checks
1.3Model Numbers and Nameplate Checks
Please perform the following tasks after receiving the bypass
• Inspect the bypass for damage.
If the bypass appears damaged upon receipt, contact the shipper immediately.
• Verify receipt of the correct model by checking the information on the nameplate.
• If you have received the wrong model or the bypass does not function properly, contact your supplier.
If you find any irregularities in the above items, contact the shipping company, the distributor or representative you purchased
the bypass from or your Yaskawa office immediately. The bypass is thoroughly tested at the factory. Any damages or shortages
evident when the equipment is received must be reported immediately to the commercial carrier that transported the material.
Shipping damage is not covered by the Yaskawa warranty. After unpacking and inspecting for damage, verify that internal
wire connections have not come loose during shipment by spot checking wire terminations with a screwdriver or the appropriate
tool. Bypass storage must be in a clean and dry location. Maintain the factory packaging and provide covering as needed to
protect the bypass from construction site dirt, water, debris and traffic prior to and during construction.
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Drive Nameplate
A – Rated Output Current
B – Software version
C –
Address
D – Serial number
<1> The address of the head office of Yaskawa Electric Corporation (responsible for product liability) is shown on the nameplate.
All bypass units are intended for non-hazardous locations. All NEMA Type 1 Enclosure bypass units are constructed for indoor
use to provide a degree of protection against incidental contact with enclosed electrical equipment and falling dust or dirt.
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Bypass Product Options
Refer to Bypass Options on page 305 for details on available bypass product configuration options.
A – Main input disconnect
B – Motor overload
C – Bypass contactor
D – Soft starter option PW
E – Air filter
F – Enclosure cooling fan
G – 120 V control transformer
Circuit Breaker (100 kAIC)
n
Electrically located on the input power side of the bypass, the door mounted circuit breaker provides a means of disconnecting
Figure 1.6 Interior View of Bypass Unit
H – Terminal TB1
I – Terminal TB2
J – Terminal TB3
K – Communications port CN2
L – Option card connector CN5
M – Ground terminal
the bypass from line power for equipment maintenance. The circuit breaker must be in the OFF position to open the bypass
enclosure door. When opened, the handle can be locked in the OFF position using a padlock.
Branch short circuit protection for the bypass must be supplied by the customer.
Contactors
n
The bypass is a 2-contactor or 3-contactor bypass circuit employing IEC rated contactors in an electrically interlocked
arrangement to allow mutually exclusive operation in Drive or Bypass modes.
The control logic and “soft start” characteristic of the drive limit the drive input and output contactors to motor FLA current
or less. For this reason, the drive output contactor has a lower current rating than the bypass contactor. The bypass contactor
is exposed to motor inrush current (LRA) when starting the motor across-the-line and therefore requires a higher current rating.
Use an optional soft starter on the line side of the bypass contactor to limit the current on the bypass circuit to motor FLA or
less. In this case, the bypass contactor is tested for a short-circuit combination rating of 65 kA or greater with the soft starter
and large enough to handle the motor FLA current.
Overload Relay
n
The adjustable thermal overload relay (OLR) provides overload protection for the motor in Drive and Bypass operating modes.
The bypass three-phase output power connection to the motor is made to the output terminals of the OLR. The OLR is set up
in the factory to be a manual reset device, requiring operator attention if an overload trip-out is experienced.
Control Power Transformer
n
A Control Power Transformer (CPT) is provided to power the bypass 120 Vac control circuit. The VA capacity is determined
by the control circuit and optional functions specified for the unit. The CPT primary is fused in both legs, the secondary is
fused when required by NEC (transformer VA and wire size dependent). One side of the transformer secondary is grounded
to the bypass enclosure.
Electronic Bypass Control Logic
n
Operating elements such as indicating LEDs, selector buttons, and control logic are incorporated into a PCB assembly to
eliminate the potential for loose wires after shipment.
The operating elements are located on PCB A3 and the control logic PCB A2 contains the control circuit field wiring terminal
blocks TB1 through TB5.
Drive/Bypass Logic Interlocks
n
The bypass 120 Vac logic circuit is interconnected with the drive multi-function digital input terminals and multi-function
digital output terminals to allow a single customer interface to control both drive and bypass circuits. These drive terminals
are not available for field connections. All field control connections are landed at terminal blocks TB1 through TB5 on control
logic PCB A2 and drive PCB A1.
Use a dedicated lifting device when moving or positioning the drive.
Failure to comply may result in serious injury or death from falling equipment.
Use screws to securely affix the drive front cover, terminal blocks, and other drive components prior to vertical
suspension.
Failure to comply may result in serious injury or death from falling equipment.
Do not subject the drive to vibration or impact greater than 1.96 m/s2 (0.2 G) while it is suspended by the cables.
Failure to comply may result in serious injury or death from falling equipment.
Do not attempt to flip the drive over or leave the drive unattended while it is suspended by the wires.
Failure to comply may result in serious injury or death from falling equipment.
CAUTION
Crush Hazard
Do not carry the drive by the front cover or the terminal cover.
Failure to comply may result in minor or moderate injury from the main body of the drive falling.
NOTICE
Equipment Hazard
Prevent foreign matter such as metal shavings or wire clippings from falling into the drive during drive installation
and project construction.
Failure to comply could result in damage to the drive. Place a temporary cover over the top during installation. Be sure to
remove the temporary cover before start-up, as the cover will reduce ventilation and cause the unit to overheat.
Observe proper electrostatic discharge (ESD) procedures when handling the drive.
Failure to comply could result in ESD damage to the drive circuitry.
Operating the motor in the low-speed range diminishes the cooling effects, increases motor temperature, and may
lead to motor damage by overheating.
Reduce the motor torque in the low-speed range whenever using a standard blower cooled motor. If 100% torque is required
continuously at low speed, consider using a special drive or vector-control motor. Select a motor that is compatible with the
required load torque and operating speed range.
The speed range for continuous operation differs according to the lubrication method and motor manufacturer.
If the motor is to be operated at a speed higher than the rated speed, consult with the manufacturer.
Continuously operating an oil-lubricated motor in the low-speed range may result in burning.
When the input voltage is 480 V or higher or the wiring distance is greater than 100 meters, pay special attention to
the motor insulation voltage or use a drive-rated motor with reinforced insulation.
Failure to comply could lead to motor winding failure.
Motor vibration may increase when operating a machine in variable-speed mode, if that machine previously operated
at a constant speed.
Install vibration-proof rubber on the motor base or use the frequency jump function to skip a frequency resonating the
machine.
The motor may require more acceleration torque with drive operation than with a commercial power supply.
Set a proper V/f pattern by checking the load torque characteristics of the machine to be used with the motor.
The rated input current of submersible motors is higher than the rated input current of standard motors.
Select an appropriate drive according to its rated output current. When the distance between the motor and drive is long, use
a cable thick enough to connect the motor to the drive to prevent motor torque reduction.
The current rating for a motor with variable pole pitches differs from a standard motor.
Check the maximum current of the motor before selecting the drive capacity. Only switch motor poles when the motor is
stopped. Switching between motor during run will trigger overcurrent protection circuitry or result in overvoltage from
regeneration, and the motor will simply coast to stop.
Never lift or move the drive while the cover is removed.
This can damage the terminal board and other components.
This section outlines specifications, procedures, and the environment for proper mechanical installation of the bypass.
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Installation Environment
Install the bypass in an environment matching the conditions below to prolong its optimum performance life.
Table 2.1 Installation Environment
EnvironmentConditions
Installation AreaIndoors
Ambient
Temperature
Humidity95% RH or less and free of condensation
Storage
Temperature
Surrounding Area
AltitudeUp to 1000 meters without derating. Up to 3000 meters with output current and voltage derating
OrientationInstall the bypass vertically to maintain maximum cooling effects.
-10 to + 40 °C (+14 to +104 °F) NEMA Type 1 Enclosure
-20 °C to +60 °C (-4 °F to +104 °F)
Install the drive in an area free from:
• oil mist and dust
• metal shavings, oil, water, or other foreign materials
• radioactive materials
• combustible materials (e.g., wood)
• harmful gases and liquids
• excessive vibration
• chlorides
• direct sunlight.
NOTICE: Avoid placing peripheral devices, transformers, or other electronics near the bypass as the noise created can lead to erroneous
operation. If such devices must be used in close proximity to the bypass, take proper steps to shield the bypass from noise.
NOTICE: Prevent foreign matter such as metal shavings and wire clippings from falling into the bypass during installation. Failure to comply
could result in damage to the bypass. Place a temporary cover over the top of the drive during installation. Remove the temporary cover
before bypass start-up, as the cover will reduce ventilation and cause the bypass to overheat.
Install the bypass upright as illustrated in Figure 2.1 to maintain proper cooling.
Figure 2.1 Correct Installation Orientation
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Exterior and Mounting Dimensions
Refer to bypass dimension drawing DD.Z1U.1.oo.01 packaged with the bypass for bypass enclosure dimensions and proper
installation clearances necessary to maintain sufficient space for airflow and wiring.
Do not connect or disconnect wiring while the power is on.
Failure to comply may result in death or serious injury.
Before servicing, disconnect all power to the equipment. The internal capacitor remains charged even after the power supply
is turned off. The charge indicator LED will extinguish when the DC bus voltage is below 50 Vdc. To prevent electric shock,
wait for at least the time specified on the warning label, once all indicators are OFF, measure for unsafe voltages to confirm
the drive is safe prior to servicing.
Do not operate equipment with covers removed.
Failure to comply could result in death or serious injury.
The diagrams in this section may show drives without covers or safety shields to show details. Be sure to reinstall covers or
shields before operating the drives and run the drives according to the instructions described in this manual.
Make sure the protective earthing conductor complies with technical standards and local safety regulations.
Because the leakage current exceeds 3.5 mA, IEC/EN 61800-5-1 states that either the power supply must be automatically
disconnected in case of discontinuity of the protective earthing conductor or a protective earthing conductor with a crosssection of at least 10 mm2 (Cu) or 16 mm2 (Al) must be used. Failure to comply may result in death or serious injury.
Always use appropriate equipment for Ground Fault Circuit Interrupters (GFCIs).
The drive can cause a residual current with a DC component in the protective earthing conductor. Where a residual current
operated protective or monitoring device is used for protection in case of direct or indirect contact, always use a type B GFCI
according to IEC/EN 60755.
Always ground the motor-side grounding terminal.
Improper equipment grounding could result in death or serious injury by contacting the motor case.
Do not perform work on the drive while wearing loose clothing, jewelry or without eye protection.
Failure to comply could result in death or serious injury.
Remove all metal objects such as watches and rings, secure loose clothing, and wear eye protection before beginning work
on the drive.
Do not remove covers or touch circuit boards while the power is on.
Failure to comply could result in death or serious injury.
Do not allow unqualified personnel to perform work on the drive.
Failure to comply could result in death or serious injury.
Installation, maintenance, inspection, and servicing must be performed only by authorized personnel familiar with
installation, adjustment, and maintenance of AC drives.
Do not touch any terminals before the capacitors have fully discharged.
Failure to comply could result in death or serious injury.
Before servicing, disconnect all power to the equipment. The internal capacitor remains charged even after the power supply
is turned off. The charge indicator LED will extinguish when the DC bus voltage is below 50 Vdc. To prevent electric shock,
wait for at least the time specified on the warning label, once all indicators are OFF, measure for unsafe voltages to confirm
the drive is safe prior to servicing.
Fire Hazard
Tighten all terminal screws to the specified tightening torque.
Loose electrical connections could result in death or serious injury by fire due to overheating of electrical connections.
Do not use improper combustible materials.
Failure to comply could result in death or serious injury by fire.
Do not install the drive to a combustible surface. Never place combustible materials on the drive.
Failure to comply could result in death or serious injury by fire.
Verify that the rated voltage of the drive matches the voltage of the incoming power supply before applying power.
Properly handle the HOA keypad battery.
Improper use of the battery may cause fire by explosion and personal injury.
Correctly install the battery, paying attention to polarity (+/-).
Do not attempt to charge the battery or improperly disassemble the HOA keypad.
CAUTION
Do not carry the drive by the front cover or the terminal cover.
Failure to comply may cause the main body of the drive to fall, resulting in minor or moderate injury.
NOTICE
Observe proper electrostatic discharge procedures (ESD) when handling the drive and circuit boards.
Failure to comply may result in ESD damage to the drive circuitry.
Never connect or disconnect the motor from the drive while the drive is outputting voltage.
Improper equipment sequencing could result in damage to the drive.
Do not use unshielded cable for control wiring.
Failure to comply may cause electrical interference resulting in poor system performance. Use shielded, twisted-pair wires
and ground the shield to the ground terminal of the drive.
Do not allow unqualified personnel to use the product.
Failure to comply could result in damage to the drive.
Do not modify the drive circuitry.
Failure to comply could result in damage to the drive and will void warranty.
Yaskawa is not responsible for any modification of the product made by the user. This product must not be modified.
Check all the wiring to ensure that all connections are correct after installing the drive and connecting any other
devices.
Failure to comply could result in damage to the drive.
Do not heat or throw the battery into fire.
The battery remains in use even when power to the drive has been shut off. Be sure to also remove the battery in the HOA
keypad when the drive will be shut off for long periods of time.
A dead battery left inside the HOA keypad may leak and damage the keypad and drive. Be sure to replace the battery with
a new one immediately after the expected lifespan has passed or when the “bAT” error is displayed on the HOA keypad.
Be sure to observe the Perchlorate Best Management Practices (BMPs).
BMPs apply to primary lithium (manganese dioxide) coin batteries sold or distributed in California. Perchlorate Materialspecial handling may apply, please refer to: www.dtsc.ca.gov/hazardouswaste/perchlorate.
Connect the bypass and peripheral devices as shown in Figure 3.1. It is possible to set and run the bypass via the HOA keypad
without connecting digital I/O wiring. This section does not discuss drive operation; Refer to Start-Up Programming &
Operation on page 109 for instructions on operating the drive.
WARNING! Fire Hazard. Branch Circuit protection is required to be installed according to applicable local codes and the requirements listed
on the bypass nameplate. Failure to comply could result in fire and damage to the bypass and drive or injury to personnel. Bypass models
without soft-starter option PW are suitable for use on a circuit capable of delivering not more than 100,000 RMS symmetrical amperes, 208
Vac and 480 Vac. Bypass models D169 to D211 and B180 to B414 with option PW are also suitable for use on a circuit capable of delivering
not more than 100,000 RMS symmetrical amperes, 208 Vac and 480 Vac. Bypass models D024 to D143 and B011 to B156 with option PW
are suitable for use on a circuit capable of delivering not more than 65,000 RMS symmetrical amperes, 208 Vac and 480 Vac.
NOTICE: When the input voltage is 440 V or higher or the wiring distance is greater than 100 meters, pay special attention to the motor
insulation voltage or use a drive duty motor. Failure to comply could lead to motor insulation breakdown.
NOTICE: Do not connect AC control circuit ground to drive enclosure. Improper drive grounding can cause control circuit malfunction.
Note:The minimum load for relay outputs DO-7, DO-8, DO-9, DO-10, M1-M2, M3-M4, M5-M6, and MA-MB-MC is 10 mA.
WARNING! Sudden Movement Hazard. Do not close the wiring for the control circuit unless the multifunction input terminal parameters are
properly set. Improper sequencing of run/stop circuitry could result in death or serious injury from moving equipment.
WARNING! Sudden Movement Hazard. Ensure start/stop circuits are wired properly and in the correct state before energizing the drive.
Failure to comply could result in death or serious injury from moving equipment. When programmed for 3-Wire control, a momentary closure
on terminal S1 may cause the drive to start.
WARNING! Sudden Movement Hazard. When using a 3-Wire sequence, set the drive to 3-Wire sequence prior to wiring the control terminals
and set parameter b1-17 to 0 so the drive will not accept a Run command at power up (default). If the drive is wired for a 3-Wire sequence
but set up for a 2-Wire sequence (default), and parameter b1-17 is set to 1 so the drive accepts a Run command at power up, the motor
will rotate in reverse direction at drive power up and may cause injury.
WARNING! Sudden Movement Hazard. Confirm the drive I/O signals and external sequence before executing the application preset
function. Executing the application preset function or setting A1-06 ≠ 0 will change the drive I/O terminal functions and may cause unexpected
equipment operation. Failure to comply may cause death or serious injury.
NOTICE: When using the automatic fault restart function with wiring designed to shut off the power supply upon drive fault, make sure the
drive does not trigger a fault output during fault restart (L5-02 = 0, default). Failure to comply will prevent the automatic fault restart function
from working properly.
<1> Connect the cabinet ground lug to earth ground and utility ground.
<2> Insulated twisted shielded wire is required. Connect the shield only at one end to avoid ground loops. Do not run these
wires in the same conduit as AC power or AC control wires.
<3> Secondary fuse F6 is added with control transformer T1 or a power rating 350 VA or greater.
<4> Set E1-05 to 208 for 208 Vac applications.
<5> The motor overload relay is factory set for manual reset. Adjust the motor overload relay trip setting for the actual AC
motor full load amps.
<6> Bypasses with option PW should set Z1-42 to 1, and Z2-07 to 36 and Z2-15 to 1 to trigger an “EFb” fault with the motor
coasting to stop when the soft starter faults.
<7> R1 is a fail-safe contact. It is shown de-energized.
<8> Set DIP switch S1 to the ON position to enable the termination resistor only in the last drive in a MEMOBUS/Modbus
network.
<9> The maximum output current capacity for the +V terminal on the control circuit is 20 mA. Never short terminals +V and
AC, as it can cause erroneous operation or damage the drive.
<10> Use jumper S5 to select between voltage or current output signals at terminals FM and AM. Set parameters H4-07 and
H4-08 accordingly.
This section describes the functions, specifications, and procedures required to safely and properly wire the main circuit in
the bypass.
NOTICE: Do not solder the ends of wire connections to the bypass. Soldered wiring connections can loosen over time. Improper wiring
practices could result in malfunction due to loose terminal connections.
NOTICE: Do not switch the bypass input to start or stop the motor. Frequently switching the bypass on and off shortens the life of the DC
bus charge circuit and the DC bus capacitors, and can cause premature bypass failures. For the full performance life, refrain from switching
the bypass on and off more than once every 30 minutes.
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Opening the Bypass Enclosure
WARNING! Electrical Shock Hazard. Do not open the bypass enclosure while the power is on. Failure to comply may result in death or
serious injury. Make sure that the circuit breaker is in the “OFF” position before attempting to open the doors.
Models D024 to D114 and B011 to B124
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Turn the circuit breaker to the “OFF” position.
1.
80
Figure 3.2 Disconnect Power
Turn the flat head screw fasteners on the cover 1/2 turn counter-clockwise.
The input disconnect switch is located in the upper right hand side of the bypass. The three-phase input power connection is
made to the input terminals of the disconnect. Refer to Figure 3.8 for a representative example.
The Overload Relay (OLR) is mounted to the contactor assembly or back panel (depending on rating), just above the bypass
contactor. The bypass three-phase output power connection to the motor is made to the output terminals of the Overload Relay.
A – Ground screw
B – Input power terminals
C – Motor overload relay
D – Motor connections
E – Drive output contactor K2
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Factory Recommended Branch Circuit Protection
WARNING! Fire Hazard. Branch Circuit protection is required to be installed according to applicable local codes and the requirements listed
on the bypass nameplate. Failure to comply could result in fire and damage to the bypass and drive or injury to personnel. Bypass models
without soft-starter option PW are suitable for use on a circuit capable of delivering not more than 100,000 RMS symmetrical amperes, 208
Vac and 480 Vac. Bypass models D169 to D211 and B180 to B414 with option PW are also suitable for use on a circuit capable of delivering
not more than 100,000 RMS symmetrical amperes, 208 Vac and 480 Vac. Bypass models D024 to D143 and B011 to B156 with option PW
are suitable for use on a circuit capable of delivering not more than 65,000 RMS symmetrical amperes, 208 Vac and 480 Vac.
Figure 3.8 Bypass Circuit Components
F – Bypass contactor K3
G – 120 V control transformer
H – A2 bypass control board
I – 5 V bypass power supply board
Yaskawa recommends installing branch circuit protection according to maintain compliance with UL508C. Semiconductor
protective type fuses are preferred. Alternate branch circuit protection devices are also listed in this manual.
Main circuit power supply inputConnects line power to the bypass762/L2
3/L3
1/T1
Drive outputConnects to the motor762/T2
3/T3
For 208 Vac: 100 Ω or less
For 480 Vac: 10 Ω or less
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Wire Gauge and Tightening Torque Specifications
Note:1. For 0 to 100 A, use a minimum of 60 °C - 75 °C copper wire.
2. For above 100 A, use a minimum of 75 °C copper wire.
3. Wire gauge recommendations based on drive continuous current ratings using 75 °C 600 Vac vinyl-sheathed wire assuming ambient
temperature within 40 °C and wiring distance less than 100 m.
Grounding terminal88
• Consider the amount of voltage drop when selecting wire gauges. Increase the wire gauge when the voltage drop is greater
than 2% of motor rated voltage. Ensure the wire gauge is suitable for the terminal block. Use the following formula to
calculate the amount of voltage drop:
Line drop voltage (V) = 3 × wire resistance (Ω/km) × wire length (m) × current (A) × 10
-3
• Refer to UL Standards Compliance on page 450 for information on UL compliance.
Table 3.2 Main Input Circuit Wiring Tightening Torques and Wire Gauges With Option PW
Bypass Model Z1D1Standard Circuit Breaker With Option PW
This section outlines the various steps, precautions, and checkpoints for wiring the main circuit terminals and motor terminals.
WARNING! Electrical Shock Hazard. Do not connect the AC power line to the bypass output terminals. Failure to comply could result in
death or serious injury by fire as a result of bypass damage from line voltage application to output terminals.
NOTICE: Route motor leads U/T1, V/T2, and W/T3 separate from all other leads to reduce possible interference related issues. Failure to
comply may result in abnormal operation of drive and nearby equipment.
NOTICE: When connecting the motor to the output terminals T1, T2, and T3, the phase order for the drive and motor should match. Failure
to comply with proper wiring practices may cause the motor to run in reverse if the phase order is backward.
NOTICE: Do not connect phase-advancing capacitors or LC/RC noise filters to the output circuits. Failure to comply could result in damage
to the drive, phase-advancing capacitors, LC/RC noise filters or ground fault circuit interrupters.
Cable Length Between Bypass and Motor
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Voltage drop along the motor cable may cause reduced motor torque when the wiring between the bypass and the motor is
too long, especially at low frequency output. This can also be a problem when motors are connected in parallel with a fairly
long motor cable. Bypass output current will increase as the leakage current from the cable increases. An increase in leakage
current may trigger an overcurrent situation and weaken the accuracy of the current detection.
Adjust the carrier frequency according to Table 3.5. If the motor wiring distance exceeds 100 m because of the system
configuration, reduce the ground currents. Refer to C6-02: Carrier Frequency Selection on page 154.
Table 3.5 Cable Length Between Bypass and Motor
Cable Length50 m or less100 m or lessGreater than 100 m
Carrier Frequency12.5 kHz or less5 kHz or less2 kHz or less
Note:1. When setting carrier frequency for bypasses running multiple motors, calculate cable length as the total wiring distance to all connected
Ground Wiring
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motors.
2. Do not use a long distance shielded line if there is an overvoltage problem at start. Either lower the carrier frequency or switch on the
internal EMC filter if the power supply has a neutral ground.
Follow the precautions below when wiring the ground for one bypass or a series of bypasses.
WARNING! Electrical Shock Hazard. Do not touch SW screw while power is applied to the drive. Failure to comply could result in death or
serious injury. Before servicing, disconnect all power to the equipment. The internal capacitor remains charged even after the power supply
is turned off. The charge indicator LED will extinguish when the DC bus voltage is below 50 Vdc. To prevent electric shock, wait for at least
the time specified on the warning label, once all indicators are OFF, measure for unsafe voltages to confirm the drive is safe prior to servicing.
WARNING! Electrical Shock Hazard. Make sure the protective earthing conductor complies with technical standards and local safety
regulations. Because the leakage current exceeds 3.5 mA, IEC/EN 61800-5-1 states that either the power supply must be automatically
disconnected in case of discontinuity of the protective earthing conductor or a protective earthing conductor with a cross-section of at least
10 mm2 (Cu) or 16 mm2 (Al) must be used. Failure to comply may result in death or serious injury.
WARNING! Electrical Shock Hazard. Always use a ground wire that complies with technical standards on electrical equipment and minimize
the length of the ground wire. Improper equipment grounding may cause dangerous electrical potentials on equipment chassis, which could
result in death or serious injury.
WARNING! Electrical Shock Hazard. Be sure to ground the drive ground terminal (208 Vac: ground to 100 Ω or less and 480 Vac: ground
to 10 Ω or less). Improper equipment grounding could result in death or serious injury by contacting ungrounded electrical equipment.
NOTICE: Do not share the ground wire with other devices such as welding machines or large-current electrical equipment. Improper
equipment grounding could result in drive or equipment malfunction due to electrical interference.
NOTICE: When using more than one drive, ground multiple drives according to instructions. Improper equipment grounding could result in
abnormal operation of drive or equipment.
Refer to Figure 3.9 when using multiple drives. Do not loop the ground wire.
The drive ground lug (terminal
) is connected to the enclosure. The enclosure ground lug must be connected to earth ground.
See Figure 3.8.
The drive has a second ground lug to accept the motor ground lead.
Figure 3.9 Ground Wiring for Multiple Bypass Units
Enable the Internal EMC Filter
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If EMC is a concern and the network is grounded symmetrically, install the SW screw to the ON position. Installing the SW
screw enables the internal EMC filter (Drives are shipped with the SW screw installed at the OFF position).
DANGER! Electrical Shock Hazard. Do not touch SW screw while power is applied to the drive. Failure to comply will result in death or
serious injury.
WARNING! Electrical Shock Hazard. Connect the ground cable correctly. Failure to comply may result in death or serious injury.
NOTICE: When disabling the internal EMC filter, move the screws from ON to OFF and then tighten to the specified torque. Completely
removing the screws or tightening the screws to an incorrect torque may cause drive failure.
Note:For floating, impedance grounded, or asymmetrically grounded networks, disconnect the internal EMC filter by moving the SW screw to
the OFF position.
Table 3.6 shows asymmetrical grounded networks. Asymmetrical networks require first moving the SW screw to disconnect
the internal ground connection. (Drives are shipped with the SW screw installed at the OFF position.)
Figure 3.17 shows suggested wire entry and bending areas for representative enclosures.
NOTICE: Route motor leads U/T1, V/T2, and W/T3 separate from all other leads to reduce possible interference related issues. Failure to
comply may result in abnormal operation of drive and nearby equipment.
Refer to Figure 3.1 on page 77 when wiring terminals on the bypass and drive control circuits.
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Control Circuit Terminal Block Functions
WARNING! Sudden Movement Hazard. Always check the operation and wiring of control circuits after being wired. Operating a bypass with
untested control circuits could result in death or serious injury.
WARNING! Sudden Movement Hazard. Confirm the drive I/O signals and external sequence before starting test run. Setting parameter
Z1-01 may change the I/O terminal function automatically from the default setting. Refer to Application Selection on page 123. Failure
to comply may result in death or serious injury.
The functions of the control circuit terminals are shown in Table 3.7.
The control circuit terminals on Terminal Board A2 are arranged as shown in Figure 3.18.
TypeSignal NameDescriptionSpecification
Digital Inputs
96
DI-1Digital Input 1
DI-2Digital Input 2
DI-3Digital Input 3
DI-4Digital Input 4
DI-5Digital Input 5
DI-6Digital Input 6
DI-7Digital Input 7
DI-8Digital Input 8
IG24Isolated GroundDigital Input Common
Figure 3.18 Control Circuit Terminal Board A2 Arrangement
Table 3.7 Bypass Control Circuit Terminal Board A2
(Factory use only) 120 Vac, 66 VA sealed, 1650 inrush
DO-4Digital Output 4
DO-5Digital Output 5
DO-6Digital Output 6
Digital Outputs
DO-7Digital Output 7
DO-8Digital Output 8
DO-9Digital Output 9
Relay, dry contact form C, 30 Vdc or 120 Vac,
DO-6 (factory use only), 3.7 Amp 360 VA,
DO-7 to DO-10 for customer use, 2 Amp
DO-10Digital Output 10
Table 3.8 lists the available control circuit input terminals on the drive. Text in parenthesis indicates the default setting for
each multi-function input.
The drive control circuit terminals on Terminal Board A1 are arranged as shown in Figure 3.19.
Figure 3.19 Control Circuit Terminal Arrangement
Table 3.8 Control Circuit Input Terminals
TypeNo.Terminal Name (Function)Function (Signal Level) Default SettingPage
+VPower supply for analog inputs10.5 Vdc (max allowable current 20 mA)208
+24 Vdc transducer power supply for customer
Analog Inputs
24 V
use
Multi-function analog input 1
A1
(Frequency reference bias)
Multi-function analog input 2
A2
(Frequency reference bias)
Multi-function analog input 3
A3
(Aux reference 1)
150 mA maximum capacity–
• -10 to 10 Vdc, 0 to 10 Vdc (input impedance: 20 kΩ)
• 4 to 20 mA, 0 to 20 mA (input impedance: 250 Ω)
• Voltage or current input must be selected by jumper S1 and H3-01.
• -10 to 10 Vdc, 0 to 10 Vdc (input impedance: 20 kΩ)
• 4 to 20 mA, 0 to 20 mA (input impedance: 250 Ω)
• Voltage or current input must be selected by jumper S1 and H3-09.
208
174
208
208
176
• -10 to 10 Vdc, 0 to 10 Vdc (input impedance: 20 kΩ)
• 4 to 20 mA, 0 to 20 mA (input impedance: 250 Ω)
208
• Voltage or current input must be selected by jumper S1 and H3-05.
ACFrequency reference common0 V208
E (G) Ground for shielded lines––
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Bypass Analog Outputs
There are two analog outputs that can be configured for a signal level of 0 to 10 Vdc or 4 to 20 mA. The signal level is controlled
by the position of jumpers J2 and J3 on Control PCB A2 and by the values set to drive parameters H4-07 and H4-08.
Refer to BACnet Communications on page 361 or Refer to MEMOBUS/Modbus Communications on page 381 for details
depending on the applicable serial communications protocol.
Serial Communication Terminals
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Table 3.9 Control Circuit Terminals: Serial Communications
TypeNameDescriptionNotes
Ground reference for RS-485 signals. This is an isolated ground
MEMOBUS/Modbus,
BACnet,
Metasys N2, or
Apogee P1
Communication
Bypass and Drive Control Circuit Wire Size and Torque Specifications
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IG5Isolated ground
TXRX+(+) Differential communication signal
TXRX-(-) Differential communication signal
SHIELD Shield tie pointConnected to chassis ground
used only for communications and may be used in certain
circumstances to connect to other communication devices floating
ground references.
RS-485 signal levels
Select appropriate wire type and gauges from Table 3.10. For simpler and more reliable wiring, use crimp ferrules on the wire
ends. Refer to Table 3.11 for ferrule terminal types and sizes.
Table 3.10 Bypass and Drive Control Circuit Gauge and Torque Values
Yaskawa recommends using CRIMPFOX 6, a crimping tool manufactured by PHOENIX CONTACT, to prepare wire ends
with insulated sleeves before connecting to the drive. See Table 3.11 for dimensions.