Coremorrow E82.C256K Series User manual

This document describes the following products:
■ E82.C256K Open loop controller 256 channels
E82.C256K Series Piezo Controller
User Manual
Version: V1.0

Declaration!
This user manual is a integrated user manual of the E82.C256K series piezoelectric controller.
Please read this user manual carefully before using this controller. Follow the instructions in the
manual during use. If there is any problem, please contact us for technical support. If you do not
follow this manual or disassemble and modify the product yourself, the company will not be liable
for any consequences arising therefrom.
Please read the following to avoid personal injury and to prevent damage to this product or any
other product connected to it. In order to avoid possible hazards, this product can only be used
within the specied range.
Notice!
Do not touch any exposed ends of the product and its accessories.
There is high voltage inside. Do not open the case without permission.
Do not connect or disconnect input, output, or sensor cables with power on.
Please keep surface of E82.C256K clean and dry, don't operate in humid or static environment.
After use, output voltage should be cleared to zero before turning o󰀨 the controller switch, such as
switching the servo state to the open-loop state.
Danger!
The piezoelectric power amplier described in this manual is a high-voltage device capable of
outputting high currents, which can cause serious or even fatal damage if not used properly.
It is strongly recommended that you do not touch any parts that connect to the high voltage output.
Special Note: If you connect it with other products in addition to our company, please follow the
general accident prevention procedures.
Operating the high-voltage amplication requires training professional operators.
Cautious!
Warning!
If the voltage exceeds the PZT's tolerable range, it will cause permanent damage to the PZT.
Before adding voltage to the PZT poles, it must be ensured that the positive and negative poles
of the PZT are connected correctly and the operating voltage is within the allowable range of this
PZT.
E82.C256K housing should be installed on a horizontal surface in an area with a 3CM air ow
area to prevent internal convection in the vertical direction.
Insu󰀩cient airow can cause equipment to overheat or premature instrument damage.
DECLARATION

Contents
1.Security …………………………………………………………………………………………………………………………………… 2
1.1 Introduction ……………………………………………………………………………………………………………………… 2
1.2 Safety Instructions …………………………………………………………………………………………………………… 2
1.3 Notes ………………………………………………………………………………………………………………………………… 2
2. Introduction …………………………………………………………………………………………………………………………… 3
2.1 Features …………………………………………………………………………………………………………………………… 4
2.2 Block Diagram…………………………………………………………………………………………………………………… 6
2.3 Circuit Composition…………………………………………………………………………………………………………… 6
2.4 Piezo driving principle ……………………………………………………………………………………………………… 8
2.5 Ethernet Communication Interface and Software Protocol………………………………………………… 9
2.6 Parameter ………………………………………………………………………………………………………………………… 9
2.7 Power Calculation…………………………………………………………………………………………………………… 11
3.Open-Box …………………………………………………………………………………………………………………………… 11
3.1 Inspection Operation ……………………………………………………………………………………………………… 11
3.2 System operation and Security measures ……………………………………………………………………… 11
3.3 Electrical Inspection………………………………………………………………………………………………………… 12
3.4 Cable Connection …………………………………………………………………………………………………………… 13
3.5 Beginning Operation ……………………………………………………………………………………………………… 13
4.Maintenance, Storage and Transportation …………………………………………………………………………… 13
4.1 Cleaning Measures ………………………………………………………………………………………………………… 13
4.2 Transportation and Storage …………………………………………………………………………………………… 14
5. Service and Maintenance …………………………………………………………………………………………………… 14
5.1 Disposal ………………………………………………………………………………………………………………………… 14
5.2 After-sales Service ………………………………………………………………………………………………………… 15
6.Contact us …………………………………………………………………………………………………………………………… 15
Appendix ………………………………………………………………………………………………………………………………… 16
Appendix1: Drawings …………………………………………………………………………………………………………… 16
Appendix2: Block Diagram …………………………………………………………………………………………………… 17
Appendix 3: Network Communication Protocol for Piezo Actuator ……………………………………… 18
Appendix 4: Piezo Actuator string command ……………………………………………………………………… 22
Appendix 5: Main technical indicators ………………………………………………………………………………… 26
Appendix6: Connector pin definition …………………………………………………………………………………… 27
Appendix7: Connector wire sequence table ………………………………………………………………………… 29
Appendix8: System composition list and vulnerable and consumable parts list …………………… 30

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E82.C256K Series Piezo Controller User Manual
1.Security
1.1 Introduction
E82.C256K is a multi-channel piezoelectric ceramic drive controller designed
according to according to customer's requirement..
The circuit part of E82.C256K is closed.
E82.C256K heat dissipation for forced air cooling.
E82.C256K is used to drive capacitive loads (such as piezo actuators).
Pay special attention that E82.C256K cannot be used to drive resistive or inductive
loads.
E82.C256K has an open-loop operation mode.
1.2 Safety Instructions
E82.C256K is based on the national safety standard. Improper use may cause personal
injury or damage to E82.C256K . The operator is responsible for the correct installation and
operation of E82.C256K .
Please read the user manual in detail.
Please eliminate any faults and potential safety hazards caused by the faults.
If the protective ground wire is not connected or connected incorrectly, there will be a
possibility of leakage. If you touch E82.C256K , it may cause serious or even fatal injuries.
If E82.C256K opened without permission, touching the live parts may cause electric shock,
resulting in serious or even fatal injury or damage to E82.C256K .
Only authorized professional technicians with corresponding qualifications could
open E82.C256K .
When opening E82.C256K series controller, please disconnect the power plug.
Please do not touch any internal parts when operating under bare conditions.
1.3 Notes
The contents in the user manual are all standard descriptions, and the customized
parameters are not explained in detail in this manual.

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The latest user manual is available for download on CoreMorrow website.
When operating E82.C256K, the user manual should be placed near the system
for easy reference in time. If the user manual is missing or damaged, please contact
CoreMorrow customer service department.
Please timely add all the information given in the manufacturer's user manual, such
as supplements or technical descriptions.
If your user manual is incomplete, it will miss a lot of important information, cause
serious or fatal injuries, and cause property damage. Please read and understand the
content in the user manual before installing and operating E82.C256K.
Only professionals who are authorized to meet the technical requirements could
install, operate, maintain and clean E82.C256K.
2. Introduction
E82.C256K deformable mirror driver is a customized multi-channel piezo controller. It
can provide piezo with high stability, high resolution driving voltage, excellent frequency
response and very low static ripple.

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E82.C256K Series Piezo Controller User Manual
2.1 Features
Adopt high thermal conductivity radiator for forced wind cooling, improve heat
transfer ratio, heat dissipation efficiency and MTBF of the driver in limited space.
The drive circuit adopts "module" design, each module integrates 16 drive output
channels. The modules and chassis are assembled by sliding rail, which is convenient
for assembly, maintenance and overhaul.Each module is equipped with an independent
cooling profile, which greatly improves the cooling area of the module power device and
extends the life of the driver.
The height of the case is 3U, the width is 8U, the depth is 495mm and the weight
is 26kg. Small size, light weight, high space utilization, convenient transportation and
debugging.
2.1.1 Drawings

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2.1.2 Panel
①
②
③
④
⑤
⑥ ⑦
No. Symbol Function
1Interface 1 Output drive
(74pin connector)
Interface 1 drive output interface,
CH1-CH64 output terminal.
2Interface 2 Output drive
(74pin connector)
Interface 2 drive output interface,
CH65-CH128 output terminal.
3Interface 3Output drive
(74pin connector)
Interface 3drive output interface,
CH129-CH192 output terminal.
4Interface 5 Output drive
(74pin connector)
Interface 4 drive output interface,
CH193-CH256 output terminal.
5Ethernet
communication port LAN
The upper computer is connected with the
interface module of E82.C256K through the
Ethernet port access terminal to control the
upper computer
6 Power 220VAC Power connector.Connect through AC220V AC
power supply.
7 POWER LED Green Turn on the power indicator, E82.C256K is in
working.

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E82.C256K Series Piezo Controller User Manual
2.2 Block Diagram
E82.C256K is composed of power supply module, main control module, power
amplification module, heat dissipation module and control card.
2.3 Circuit Composition
2.3.1 Power supply
The power supply module is designed based on DC/DC switching power supply, which
can convert +127V, -29V, ±15V, +5V, +12V direct current, providing power supply voltage
and power for the drive control module. The power supply module of the scheme has high
efficiency, high reliability, stable operation and can meet the driving control indexes.
It is composed of high-voltage and high-power power supply circuit, low-voltage power
supply circuit and power supply circuit of heat dissipation part:
High voltage power supply：+127V, -29V
Low-voltage power supply: ：+5V, ±15V

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Power supply for cooling part: +12V
2.3.2 Main control
The main control is composed of high-performance MCU, Ethernet interface, DA module
and AD module:
High performance MCU:STM32H743IIT6 chip, containing SPI and ADC interfaces;
Ethernet interface: WIZnet W5500 chip;
DA module: DAC8568 DIGITal-to-analog converter, 16 bits, 8 channels, ultra-low
burr, voltage output type, to provide the driver module to meet the requirements of
-20V~120V analog signal;
AD acquisition: The output voltage value is directly collected by the single chip
microcomputer through analog switch switching (sampling: 10Hz/ channel) in the way of
precise resistance voltage division.

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E82.C256K Series Piezo Controller User Manual
2.3.3 Power Amplification
Power amplifier is composed of voltage amplifier circuit and power amplifier circuit, the
0~5V analog signal provided by the DA module is enlarged into -20V~+120V high voltage
output, Case (1) single channel output power ≮ 5W. The most power amplifying circuit is
the heating element, which is connected with the heat conduction department, and expends
the heat through the heat dissipation module. Power amplification also has current-limiting
protection function to prevent accidental short-circuit causing circuit burn down.
2.3.4 Heat dissipation
The heat dissipation consists of the heat conductiont, the heat dissipation and the fan.
It is mainly used for cooling and heat dissipation of power supply module and power
amplification module.Through the reasonable structure design, the heat transfer ratio and
heat dissipation efficiency can be improved in the limited space, increase MTBF of the
driver (mean-time-between-failures ).
2.4 Piezo driving principle
The schematic diagram of the piezo driving principle is shown as following.

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2.5 Ethernet Communication Interface and Software Protocol
W5500 Ethernet interface is used for E82.C256K ,On the one hand, in order to meet the
compatibility problem of the communication control card with the user and the bandwidth
requirement of 100 megabit Ethernet;On the other hand, to cooperate with MCU to
maximize work efficiency. W5500 Ethernet Shield uses WIZnet W5500 chip and supports
3.3V&5V voltage. The Ethernet Shield is compatible with Arduino and ARM MBED
platforms.
2.5.1 Communication Protocols
In Appendix 3 "Network Communication Protocol for Piezo Actuator";
In Appendix 4 "Piezo Actuator string command"
2.6 Parameter
2.6.1 Main Parameter
Items Parameter
Input voltage (V) AC 220V
Output channel number 256 channels
Output interface
Catic photoelectric connector: J24H-74ZKH ×4
220VAC power supply connector:
JY27467T13E03PN - H x 1
Single channel output voltage -20V ～ +120V
output frequency Square wave (50% duty cycle) not less than 1kHz
@ 6.8 uF (0 to 5 v) load
Static acquisition function
Each channel can realize the voltage static
acquisition function
Acquisition resolution is better than 100mV
Output voltage resolution better than 10mV
Output voltage ripple ≯ 50mV（Vpp）
Power on, power off voltage shock ≯ 5V

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E82.C256K Series Piezo Controller User Manual
2.6.2 Condition
Items Parameter
Operating temperature -20℃～ +50℃
Storage temperature -30℃～ +60℃
Vehicle vibration test Appendix A2.2.2 Vibration requirements for the "Truck-
Fastening Cargo" vibration environment.
Truck vibration environment on highway
Communication interface A hundred Megabyte Ethernet interface
19 inches 8U case Volume:480mm（W）×134mm（H）×495mm（D）
Weight requirement 26kg
Short-circuit protection Each channel has short circuit protection function
Ground resistance Output connectors to the resistance between the
"ground" Ω ≯ 1

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● Average output（Sine wave operation mode）
Pa ≈ Upp • Us • f• Cpiezo
Pa=Average output[W]
Upp=Peak and peak drive voltage [V]
Us=Drive voltage[V]（（Vs+）-（Vs-））
Cpiezo=Piezo actuator capacitance[F]
f=Operating frequency of the sine wave[Hz]
2.7 Power Calculation
3.Open-Box
3.1 Inspection Operation
The electrical and mechanical aspects of E82.C256K have been carefully checked prior to
shipment.When you receive the device, unpack the package and check the surface of the
body for any obvious signs of damage.In case of damage, damage that may have occurred
during transit, please contact CoreMorrow immediately.Please take good care of the
original packaging materials for subsequent maintenance.
3.1.1 E82.C256K must include the following items:
● Case mounted module
● power line
● User manual of E82.C256K Piezo Controller (this document)
● Certification
3.2 System operation and Security measures
Attention! Improper installation of E82.C256K can result in personal injury or damage to
E82.C256K!
● The installation and use of E82.C256K should be close to the power supply so that
the power plug can be easily and quickly disconnected from the main power supply.

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E82.C256K Series Piezo Controller User Manual
● Connect E82.C256K using the supplied power cable.
● If the power cable provided by our company must be replaced, please use a power
line of sufficient diameter size and ensure effective connection.
Attention! Improper installation or placement of E82.C256K may result in high
temperature or overheating during operation!
● In order to ensure effective heat dissipation, E82.C256K should be placed
horizontally with a height of at least 3cm at the bottom to facilitate heat dissipation, with
no shielding within 5cm around the system.
● Vertical direction to prevent internal convection, insufficient airflow will cause
overheating or premature damage to the instrument.
● Ensure a well-ventilated working environment.
Attention! When connected to E82.C256K, the piezo actuator may cause oscillations,
causing irreparable damage!
If you find an oscillation, follow these steps:
● When the closed loop operation mode is in use, turn off the servo mode
immediately.
● Stop driving the piezo actuator immediately when the ring is in use.
● Power off E82.C256K.
Attention! If E82.C256K is used directly without preheating, thermal instability will occur!
● Before using E82.C256K, please power it for at least half an hour and then carry out
the corresponding operation.
Attention! Pay attention to frost and dew when E82.C256K is electrified in winter, so as not
to burn out the controller!
● Visual check whether the controller has frost and dew phenomenon before power
on (frost and dew phenomenon usually occurs when moving from outdoor to indoor).
● If the controller frost, dew should be cleaned or dried and stored in the room for
more than two hours before power on the relevant operation.
3.3 Electrical Inspection
Attention! If the instrument is retrieved from the outdoor temperature below zero, it

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should be kept indoors for more than half an hour and then electrified!
1)Connect the interface.
2) Connect the power line.
3)Turn on the green light of the chassis panel.
4)Connect the software.
3.4 Cable Connection
After the system has passed the electrical inspection, the piezo actuator can be connected
to the system for corresponding operation.Follow these steps:
Turn off system equipment.
Connect the piezo actuator
3.5 Beginning Operation
3.5.1 Computer operation
According to the factory test software or user-written software communication control
directly.
4.Maintenance, Storage and Transportation
4.1 Cleaning Measures
Attention! The PCB circuit board of function module in E82.C256K is ESD (electrostatic
discharge) sensitive equipment.Before use, these devices should take all precautions to
prevent the accumulation of static electricity and avoid contact with the circuit element
pins and PCB wiring. Before touching any electronic component, the body touches the
ground conductor to release static electricity, ensuring that no conductive particles of
any kind (metal, dust or debris, pencil leads, screws) enter the device. When cleaning, be
careful not to drop the equipment and avoid any form of mechanical shock!
Disconnect the power plug from E82.C256K before cleaning.
Prevent cleaning fluid and any liquid from entering the system module to avoid

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E82.C256K Series Piezo Controller User Manual
short circuit.
The surface of the chassis and the front panel of the module can be wiped with a
solution with an alcohol content of more than 95%. Do not use organic solvent to wipe the
surface.
4.2 Transportation and Storage
This product is packed in cartons. Transportation must be carried out under the packaging
conditions of the products. During the transportation, direct rain and snow attack, contact
with corrosive gases and strong vibration should be avoided.
The instrument can be transported by various transport under normal conditions,
and the bad conditions such as dampness, load bearing, collision, extrusion and irregular
placement should be avoided during transportation.
If the instrument is not used for a long time, it should be packed and stored.
The instrument should be stored in a clean and well ventilated room without
corrosive gases.
Use original packaging boxes during transportation to prevent improper packaging
from causing damage.
5. Service and Maintenance
5.1 Disposal
When disposing of old equipment, please abide by the national regulations and
local regulations.Please dispose of the old equipment properly. Please contact CoreMorrow
for the upgrade and replacement of old equipment in order to meet the customer's
handling of system products.
If you have an old device or an unusable device that cannot be handled, you can
ship it to the following address:
Address: 1F, Building I2, No.191 Xuefu Road, Nangang District, Harbin, Heilongjiang

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5.2 After-sales Service
E82.C256K includes 2 spare parts of the drive PCB with 10% channel.
Any part of E82.C256K is dismantled, there will be no warranty service.
E82.C256K is a precision instrument which should be handled with care.
In case of any problem, please record the problem and contact CoreMorrow to be
repaired by professional technicians.
6.Contact us
Harbin Core Tomorrow Science & Technology Co., Ltd.
Tel: [phone]
Email: [e-mail]
Website: www.coremorrow.com
Address: Building I2, No.191 Xuefu Road, Nangang District, Harbin, HLJ, China
CoreMorrow Official and CTO WeChat are below:

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E82.C256K Series Piezo Controller User Manual
Appendix
Appendix1: Drawings

17
Appendix2: Block Diagram

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E82.C256K Series Piezo Controller User Manual
Appendix 3: Network Communication Protocol for Piezo Actuator
UDP packet structure
Data field Type Length(byte) Description
1frame
header byte 8 Seven 0xFF followed by one 0xFE
2packet
length Uint16 2
length unit :bytes.Length = the
length of bytes from the Command
to CheckSum16(including
CheckSUM16).
3
radix-
minus-one
complement
Uint16 2
=0: No confirmation required.
=1: Confirmation required. =2:
confirmation.
4command Uint16 2
5 command Uint16 2
6 Data field nb
Each command corresponds to a
data area.Must be an even number
of bytes and must be ≥ 2.
7 checksum16 Uint16 2
The data from the packet length
to checkSUM16 is added in bytes,
with the result retaining 16 bits.
Image data is not validated.
Checksum16 =0.
Note: All data types are stored in small - end format.The IP address of the piezo driver is
192.168.0.5 uses UDP port 7010 for transceiver.
Command list
Value Length(byte) Description
command= 100 connect 2
No other operation can be performed
until the piezo actuator is successfully
connected
101 disconnect 2