Chipsee PPC-CM4-121 Bedienungsanleitung
Contents
31. PPC-CM4-121
51.1. Product Overview
61.2. Ordering Options
61.2.1. Pi CM4 Module
61.2.2. Operating System
61.2.3. Optional Features
71.3. Specications
91.4. Power Input
101.5. Touch Screen
111.6. Connectivity
111.6.1. RS232/RS485/CAN
121.6.2. GPIO Port
141.6.3. USB Connectors
151.6.4. LAN Connectors
151.6.5. WiFi & BT Module
161.6.6. 3G/4G/LTE Module
171.6.7. Zigbee Module
201.7. TF Card Slot
211.8. Audio Connectors
221.9. PROG Button
231.10. Mounting Procedure
241.11. Mechanical Specications
241.11.1. CS10768RA4121P
241.12. 3D Model
251.13. Disclaimer
251.14. Technical Support
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PPC-CM4-121
Front View
Rear View
PPC-CM4-121
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Side View 1
Side View 2
PPC-CM4-121
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Product Overview
The Cortex -A72 Raspberry Pi series PPC-CM4-121 (PN: CS10768RA4121) is a high-quality
industrial Pi PC. It features a 12.1” Ten-point capacitive touch screen with a resolution of
1024 x 768 pixels and brightness of 400 cd/m .
Key Applications
Human Machine Interface HMI
Process Control
Process Monitoring
HMI
IIoT node
Environmental Monitoring
PLC
Automotive applications
ATM…
It is available both as an embedded solution and as a device hosed in a casing with bezels,
thus facilitating dierent installation options:
Installation on an industrial cabinet
Integration with the existing equipment
The PPC-CM4-121 industrial Pi PC is based around the powerful Raspberry Pi Compute
Module 4, powered by the Quad Cortex -A72 processor with a processor speed of 1.5GHz.
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PPC-CM4-121 Product Overview
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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 specied. The
table in the Specications section provides information about the default options bundled
with the product.
Pi CM4 Module
The Pi Compute Module 4 appears in dierent versions depending on the size of the DDR4
and eMMC.
The PPC-CM4-121 industrial Pi PC does not include the CM4 Raspberry Pi module by
default. If you would like to purchase it with a CM4, you can select it at the Chipsee store
during the ordering process.
Operating System
This product comes with a pre-installed Debian OS. Chipsee software engineers have
created all the drivers, so every hardware feature is readily available for any standard
development tool.
If your project requires a dierent OS, please Contact us, and we’ll make a customized
version that suits your needs.
Optional Features
The PPC-CM4-121 industrial Pi PC does not include the 3G/4G/LTE modules by default.
These modules are optional and can be selected at the Chipsee store during the ordering
process.
Note
You can order PPC-CM4-121 from the ocial Chipsee Store or from your nearest distributor.
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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-CM4-121 Ordering Options
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Specifications
The PPC-CM4-121 industrial Pi PC oers 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.
PPC-CM4-121
CPU Raspberry Pi CM4, CM4 Lite; Quad Cortex-A72 at 1.5GHz
Storage Support for 1 x TF Card3
RAM 2/4/8 GB, Based on CM4
eMMC 16/32 GB, Based on CM4
Display 12.1” IPS LCD, 1024 x 768 resolution px, brightness 400 cd/m
Touch 10-point capacitive touch with 1mm Armored Glass
USB 2 x USB 3.0 Host, 1 x USB OTG
LAN 1 x Channel Giga LAN
Audio 3.5mm Audio Out Connector, 2W Speaker Internal
Buzzer Onboard Buzzer, driven by GPIO
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 to 2 x RS232, up to 4 x RS232
RS485 Default to 2 x RS4851, these 2 x RS485 can be congured as 2 x RS232
CAN 1 x CAN-BUS
GPIO 8 Channels, 4 Input, 4 Output
I2C Not Supported
WiFi/BT Supported but depending on the CM4 selected2
ZIGBEE Onboard Zigbee module, not mounted by default
HDMI Not Supported
SATA II Not Supported
3G/4G/LTE Supported, not mounted by default
Camera No
Power Input From 12V to 36V
Current at 12V 1100mA Max at 12V
Power
Consumption 13.2W Typical
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PPC-CM4-121 Specications
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The RS485 circuit controls the Input and Output direction automatically, there’s no need to control it from
within the software.
The default product without the CM4 does not include a Wi-Fi/BT module. You can include a CM4 that has the
Wi-Fi/BT module at the Chipsee store during the ordering process.
This TF card is designed for storage expansion, as the TF card uses the same pins with WiFi, it can’t be used
with WiFi at the same time
PPC-CM4-121
Working
Temperature From 0°C to +60°C
OS Debian
Dimensions CS10768RA4121P: 320 x 260 x 51mm
Weight CS10768RA4121P: 2800g
Table 259 Key Features
PPC-CM4-121 Specications
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Power Input
The PPC-CM4-121 industrial Pi PC can be powered by a wide range of input voltages: From
12V to 36V DC. It is a 3 Pin, 3.81mm screw terminal connector. As shown in the gure
below.
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 the board of the embedded version. The “-” terminal is
shorted to the ground.
Power Input Denition
Pin Number Denition Description
Pin 1 Positive Input DC Power Positive Terminal
Pin 2 Negative Input DC Power Negative Terminal
Pin 3 Ground Power System Ground
Table 260 Power Connector
Note
The system ground “G” is connected to power negative “-” on board.
PPC-CM4-121 Power Input
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Touch Screen
The PPC-CM4-121 industrial Pi PC uses a 10-point capacitive touch screen. However, the
Debian OS supports only One-Point touch.
The gure below shows the capacitive touch screen connected to the motherboard via the
USB connector.
Capacitive Touch Connector
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-CM4-121 Power Input connector (pin 3) is properly connected to the Power System
Ground to provide sucient EMI shielding and eliminate the problem entirely.
Bad GND problems can also be conrmed 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.
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2.
3.
PPC-CM4-121 Touch Screen
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