Chipsee PPC-A55-050 Manuale utente

Industrial PC

PPC-A55-050

PN: CS12720-RK3568-050P

Content can change at anytime, check documentation website for latest information.

www.chipsee.com

Contents

31. PPC-A55-050

41.1. Product Overview

51.2. Ordering Options

51.2.1. Operating System

51.3. Hardware Features

71.4. Power Input

71.5. Touch Screen

81.6. Connectivity

81.6.1. RS232/RS485/CAN

101.6.2. USB Connectors

111.6.3. LAN Connectors

111.6.4. WiFi & BT Module

121.7. TF Card Slot

121.8. Audio Connectors

131.9. HDMI Connector

131.10. PROG Button

131.11. Mounting Procedure

131.11.1. PPC-A55-050

141.12. Mechanical Specications

141.12.1. PPC-A55-050

151.13. 3D Model

161.14. Disclaimer

161.15. Technical Support

Chipsee IPC Page 2 of 16

PPC-A55-050

Front View

Rear View

Side View 1

PPC-A55-050

Chipsee IPC Page 3 of 16

Side View 2

Product Overview

The Cortex -A55 series PPC-A55-050 (PN: CS12720-RK3568-050P) is a high-quality IP65-

compliant industrial panel PC. It features a 5” ten-point capacitive touch screen with a

resolution of 1280 x 720 pixels and brightness of 400 cd/m .

Key Applications

Human Machine Interface HMI

Mobile Applications

Video Processing

Machine Learning

Video Gaming

Process Control

Process Monitoring

ATM…

It is available both as an embedded solution and as a device hosed in an aluminum casing

with bezels, thus facilitating dierent installation options:

Installation on an industrial cabinet

Integration with the existing equipment

The PPC-A55-050 Industrial Panel PC is based around the powerful RK3568 System on Chip

(SoC), powered by the Rockchip RK3568 low-power processor which integrates a quad-core

Cortex -A55 processor.

•

PPC-A55-050 Product Overview

Chipsee IPC Page 4 of 16

The RK3568 supports multi-format video decoders and has a high-performance RAM

(LPDDR4X) capable of sustaining demanding memory bandwidths. It also provides a

complete set of peripheral interfaces.

Ordering Options

Chipsee products can be customized during the ordering process. The product will be

shipped with the pre-installed factory defaults if no extra requirements are specied. The

table in the Hardware Features section provides information about the default options

bundled with the product.

Operating System

This product comes with a pre-installed OS of your choice. Please see the list below for the

supported OSes, which can also be obtained from the Software Documentation section,

along with the detailed installation instructions.

Debian 11

Android 11

Buildroot Linux Qt 5.15

Hardware Features

The PPC-A55-050 Industrial Panel PC oers a broad range of performance and connectivity

options for scalable integration, providing expandability according to future needs. Some of

the key features are listed in the table below.

Note

You can order the PPC-A55-050 from the ocial Chipsee Store or from your nearest distributor.



•

Warning

The Software Documentation section provides a detailed instruction on how to install dierent OSes on your own.

However, bear in mind that Chipsee can’t take the responsibility of inadequate installation procedure. If you “brick”

your device, please contact Chipsee Technical Support at [email protected] for further assistance



Warning

Installation, repair, and maintenance tasks should be performed by trained personnel only.

Chipsee does not bear any responsibility for damage caused by inadequate handling of the product.



PPC-A55-050

CPU Rockchip RK3568, Quad-core Cortex-A55 (2.0GHz)

PPC-A55-050 Ordering Options

Chipsee IPC Page 5 of 16

1(1,2)This product has 4 x UART channels in total. The default conguration is 2 x RS232 and 2 x RS485, include 1

debug port. UART can be swapped between RS232 and RS485 modes easily, so if you need dierent RS232/

RS485 conguration, please get in touch with the Chipsee Technical Support at [email protected]

PPC-A55-050

RAM 2GB LPDDR4

eMMC 16GB

Storage TF Card, Supports up to 128GB SDHC

Display 5” LCD, 1280 x 720, High Brightness: 400 cd/m

HDMI 1 x HDMI-D

Touch 5-point capacitive touch screen

USB 1 x USB 2.0 HOST, 1 x USB 3.0 HOST, 1 x USB Type-C

LAN 1 x RJ45, GbE

Audio 3.5mm Audio In/Out Connector, 2W Internal Speaker

Buzzer Yes

RTC

High accuracy RTC with farad capacitor, can work 1 week after power o (default).

High accuracy RTC with lithium coin battery, can work 3 years after power o

(optional).

RS232 default 2 x RS232 (Optional 4 x RS232 at most, include 1 debug port)1

RS485 2 x RS485 at most1

CAN default 1 x CAN (Optional 2 x CAN at most)

GPIO NULL

WiFi/BT Integrated WiFi/BT Module

4G/LTE NULL

Power Input From 6V to 36V

Current at 12V 450mA Max at 12V

Power

Consumption 5.4W Max

Working

Temperature From 0°C to +60°C

OS Android 11, Debian11, Buildroot Linux Qt

Dimensions PPC-A55-050 (PN: CS12720-RK3568-050P): 138.55 x 84.70 x 27.10mm

Weight PPC-A55-050 (PN: CS12720-RK3568-050P): 310g

Mounting PPC-A55-050 (PN: CS12720-RK3568-050P): Panel

Table 125 Key Features

PPC-A55-050 Hardware Features

Chipsee IPC Page 6 of 16

Power Input

The PPC-A55-050 Industrial Panel PC can be powered by a wide range of input voltages:

From 6V to 36V DC. The power input connector is a 3-pin, 3.81mm terminal. The polarity

and the pinout is clearly marked on the housing of the product as shown on the gure

below.

Figure 564: Power Input

Note that the “+” sign represents the positive power input, and it is printed both at the

casing and as a silk-screen on a PCB of the embedded version. The “-” terminal is shorted to

the ground.

Touch Screen

The PPC-A55-050 Industrial Panel PC uses a 5-point capacitive touch screen.

Power Input Denition

Pin Number Denition Description

Pin 1 Positive Input DC Power Positive Terminal

Pin 2 Negative Input DC Power Negative Terminal

Pin 3 Ground Power System Ground

Table 126 Power Connector

Note

The system ground “G” is connected to power negative “-” on board.



PPC-A55-050 Power Input

Chipsee IPC Page 7 of 16

Figure 565: Capacitive Touch Screen Connector

Connectivity

There are many connectivity options available on the PPC-A55-050 industrial PC. It has 1 x

USB 2.0 HOST, 1 x USB 3.0 HOST, 1 x USB Type-C, 1 x RJ45, GbE (RJ45) Ethernet connector

supporting up to 1 Gbps, and 4 x UART terminals (RS232/RS485/CAN).

RS232/RS485/CAN

The serial communication interfaces (RS485, RS232, and CAN) are routed to a 12-pin

3.81mm terminal, as illustrated on the gure below.

Attention

A capacitive touch screen is susceptible to power noise and Electromagnetic Radiation (EMR). It may cause LCD ripples

or even capacitive touch malfunction. If using a capacitive multi-touch test application, you might notice the touch

points oat erratically across the display. There are several solutions to this problem:

Use a high-quality Power Adapter Unit (PSU) with low EMR. You can also provide power from a battery.

Make sure that the PPC-A55-050 Power Input connector (pin 3) is properly connected to the Power System

Ground to provide sucient EMI shielding and eliminate the problem entirely.

Bad GND problems can also be conrmed by touching pin 3 of the Power Input connector with one hand while

operating the capacitive touch screen with the other hand. In this case, the operator’s body acts as the Power

System Ground.



PPC-A55-050 Connectivity

Chipsee IPC Page 8 of 16

Figure 566: Relation between serial pins on embedded vs. enclosed version of the PPC-A55-050 Industrial

The table below oers more detailed description of every pin and its denition:

RS232 / RS485 / CAN Pin Denition:

Pin Number Denition Description

Pin 12 CAN1_H CAN H signal

Pin 11 CAN1_L CAN L signal

Pin 10 RS485_4- CPU UART4, RS485 –(B) signal

Pin 9 RS485_4+ CPU UART4, RS485 +(A) signal

Pin 8 RS485_3- CPU UART3, RS485 –(B) signal

Pin 7 RS485_3+ CPU UART3, RS485 +(A) signal

Pin 6 RS232_0_RXD CPU UART0, RS232 RXD signal

Pin 5 RS232_0_TXD CPU UART0, RS232 TXD signal

PPC-A55-050 RS232/RS485/CAN

Chipsee IPC Page 9 of 16

USB Connectors

There are 2 x USB HOST connectors onboard which includes 1 x USB 2.0 HOST, 1 x USB 3.0

HOST, 1 x USB Type-C , as shown in the gures below.

Figure 567: USB 2.0 and USB3.0 HOST Connectors (enclosed PC version)

Figure 568: USB Type-C Connector (enclosed PC version)

RS232 / RS485 / CAN Pin Denition:

Pin 4 RS232_2_RXD CPU UART2, RS232 RXD signal, Debug Port

Pin 3 RS232_2_TXD CPU UART2, RS232 TXD signal Debug Port

Pin 2 GND System Ground

Pin 1 +5V System +5V Power Output, No more than 1A Current output

Table 127 Connectivity Section

Attention

RS485_3 and RS485_4 can control the input and output direction automatically. There’s no need to control it from

within the software.

The 120Ω match resistor for the RS485 is mounted by default.

The 120Ω match resistor for the CAN bus is NOT mounted by default.



Warning

Be careful not to touch surrounding electronic components accidentally while plugging in USB devices into the

embedded IPC version.



PPC-A55-050 USB Connectors

Chipsee IPC Page 10 of 16

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