Chipsee PPC-A72-236 User manual

Industrial PC

PPC-A72-236

PN: CS19108R236P

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Contents

31. PPC-A72-236

41.1. Product Overview

51.2. Ordering Options

51.2.1. Operating System

61.2.2. Optional Features

61.3. Hardware Features

71.4. Power Input

81.5. Touch Screen

91.6. Connectivity

91.6.1. RS232+RS485+CAN+GPIO Connector

111.6.2. USB Connectors

121.6.3. LAN Connectors

121.6.4. WiFi & BT Module

131.6.5. 4G/LTE Module

141.7. TF Card Slot

151.8. Audio Connectors

151.9. Power Button

161.10. Mounting Procedure

161.11. Mechanical Specications

171.12. Disclaimer

171.13. Technical Support

Chipsee IPC Page 2 of 17

PPC-A72-236

Front View

Rear View

PPC-A72-236

Chipsee IPC Page 3 of 17

Side View 1

Side View 2

Product Overview

The Cortex -A72/53 series PPC-A72-236 (PN: CS19108R236P) is a high-quality industrial

panel PC. It features a 23.6” ten-point capacitive touch screen with a resolution of 1920 x

1080 pixels and brightness of 400 cd/m .

Key Applications

Human Machine Interface HMI

Mobile Applications

Video Processing

Machine Learning

Video Gaming

Process Control

•

PPC-A72-236 Product Overview

Chipsee IPC Page 4 of 17

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-A72-236 Industrial Panel PC is based around the powerful CS-SOM-RK3399 System

on Module (SoM), powered by the Rockchip RK3399 low-power processor which integrates a

dual-core Cortex -A72 and a quad-core Cortex -A53 with a separate NEON coprocessor.

The RK3399 supports multi-format video decoders and has a high-performance dual-

channel external memory interface (DDR3/DDR3L/LPDDR3/LPDDR4) 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 be also obtained from the Software Documentation section,

along with the detailed installation instructions.

Chipsee Linux*

Android 7.1

Debian 10

Chipsee Linux is based on buildroot that has been integrated with:

Chipsee Hardware Test Application

An initialization script for GPIO/Buzzer/Audio

Multiple libraries, such as the libQt5Sql to develop Qt application with SQL

•

® ®

Note

You can order The PPC-A72-236 Industrial Panel PC from the ocial Chipsee Store or from your nearest distributor.



•

PPC-A72-236 Ordering Options

Chipsee IPC Page 5 of 17

Various packages, such as the ntfs-3g to use NTFS le system

Optional Features

The PPC-A72-236 Industrial Panel PC does not include 4G/LTE module by default. The

module is optional and can be selected at the Chipsee store during the ordering process.

Hardware Features

The PPC-A72-236 Industrial Panel PC oers a broad range of performance and connectivity

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

key features are listed in the table below.

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-A72-236

CPU Rockchip RK3399, Dual-core Cortex-A72 (1.8GHz), Quad-core Cortex-A53

(1.4GHz)

RAM 4GB DDR3

eMMC 16GB

Storage TF Card, Supports up to 128GB SDHC

Display 23.6” LCD, 1920 x 1080, High Brightness: 400 cd/m

Touch 10-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 Yes

RS232 3 x RS232 (Optional 5 x RS232 at most, 1 debug port)1

RS485 2 x RS4851

GPIO 8 Channels

WiFi/BT Integrated WiFi/BT Module

PPC-A72-236 Optional Features

Chipsee IPC Page 6 of 17

1(1,2)This product has 5 x UART channels in total. The default conguration is 3 x RS232 and 2 x RS485, including 1

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

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

Power Input

The PPC-A72-236 Industrial Panel PC can be powered by a wide range of input voltages:

From 12V to 36V DC. The power input connector is a 3-pin, 3.81mm terminal.

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.

PPC-A72-236

4G/LTE Supported, Optional

Power Input From 12V to 36V

Current at 15V 1.68A Max (15V)

Power Consumption 19.56W (15V x 1.30A) Typical, 25.2W (15V x 1.68A) Max

Working

Temperature From 0°C to +50°C

OS Android 7.1, Debian 10, Buildroot Linux Qt5.14

Dimensions PPC-A72-236 (PN: CS19108R236P): 595 x 374 x 57.25mm

Weight PPC-A72-236 (PN: CS19108R236P): 7500g

Mounting PPC-A72-236 (PN: CS19108R236P): Panel, VESA

Table 105 Key Features

Power Input Denition

Pin Number Denition Description

Pin 1 Positive Input DC Power Positive Terminal

PPC-A72-236 Power Input

Chipsee IPC Page 7 of 17

Touch Screen

The PPC-A72-236 Industrial Panel PC uses a 10-point capacitive touch screen.

Figure 471: Capacitive Touch Screen Connector

Power Input Denition

Pin 2 Negative Input DC Power Negative Terminal

Pin 3 Ground Power System Ground

Table 106 Power Connector

Note

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



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-A72-236 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-A72-236 Touch Screen

Chipsee IPC Page 8 of 17

Connectivity

There are many connectivity options available on the PPC-A72-236 industrial PC. It has 1 x

USB 2.0 HOST, 1 x USB 3.0 HOST, 1 x USB Type-C, 1 x network connector (RJ45) supporting

up to 1 Gbps, 8 x GPIO and 5 x UART terminals (RS232/485).

RS232+RS485+CAN+GPIO Connector

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

3.81mm terminal, as illustrated in the gure below. Serial communication on both RS485

and RS232 interfaces can reach up to 115200 kbps.

Isolated GPIO reduced schematic

PPC-A72-236 Connectivity

Chipsee IPC Page 9 of 17

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

RS232 / RS485 / CAN / GPIO Pin Denition:

Pin Number Denition Description

Pin 1 CAN1_H CAN H signal

Pin 2 CPU_RS232_2_RXD CPU UART2, CPU RS232 RXD signal

Pin 3 CAN1_L CAN L signal

Pin 4 CPU_RS232_2_TXD CPU UART2, CPU RS232 TXD signal

Pin 5 RS485_4- USB UART4, RS485 -(B) signal

Pin 6 IN4 Isolated Input 4

Pin 7 RS485_4+ USB UART4, RS485 +(A) signal

Pin 8 IN3 Isolated Input 3

Pin 9 RS485_3- USB UART3, RS485 -(B) signal

Pin 10 IN2 Isolated Input 2

Pin 11 RS485_3+ USB UART3, RS485 +(A) signal

Pin 12 IN1 Isolated Input 1

Pin 13 RS232_2_RXD USB UART2, RS232 RXD signal

Pin 14 OUT4 Isolated Output 4

Pin 15 RS232_2_TXD USB UART2, RS232 TXD signal

Pin 16 OUT3 Isolated Output 3

Pin 17 RS232_1_RXD USB UART1, RS232 RXD signal

Pin 18 OUT2 Isolated Output 2

Pin 19 RS232_1_TXD USB UART1, RS232 TXD signal

Pin 20 OUT1 Isolated Output 1

Pin 21 GND System Ground

Pin 22 GND_ISO Isolated Ground

Pin 23 VCC5V System 5V output, up to 1A

PPC-A72-236 RS232+RS485+CAN+GPIO Connector

Chipsee IPC Page 10 of 17

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