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EQUIPMENT INSTALLATION
1. Connect the SUM to the GYS device to be controlled (e.g. GYSFLASH CNT) via the SMC cord.
2. Connect the SUM to the computer using the USB cable.
GYSFLASH CNT
SMC cord SMC cord
COMPUTER
3. Switch on the device to be controlled and the computer.
4. Check the status of the indicator (5):
Status of light Meaning
Green SUM OK, ready to communicate
Fast ashing orange SUM in the initialisation or update phase.
This phase usually stops after 5 seconds.
Fixed orange No power or no communication on the SMC port
Check the SMC connection cord.
Out No power supplied on the USB port
Check the USB connection cable.
Slowly ashing orange Internal error.
GENERAL OPERATION
The Smart USB Module or SUM makes it possible to communicate with a GYS product by USB connection.
The SUM is recognised as a serial port on the computer (COM on Windows, /dev/tty under Linux).
The SUM instantiates a virtual serial port (VCP). It does not require any special conguration regarding Baud rate,
number of bits in the byte, parity and stop bits.
Computer
USB (VCP)
SUM
PILOT INSTALLATION
The Smart USB module requires the installation of a virtual serial port (VCP) driver.
For Windows 7 or higher operating systems connected to the Internet, the driver will be installed automatically.
Otherwise, the installation executable can be downloaded from the ST website via the following link:
https://www.st.com/en/development-tools/stsw-stm32102.html
PROTOCOL
The computer always initiates commands with query, the SUM always responds to it. If the SUM does not respond within
500 ms, it is no longer operational.
The SUM supports 2 types of request-answer: the Setter and the Getter. The Setter applies a value to the product. The
Getter allows to read a value of the product.
A command has at least one associated data (argument). For the Setter, the data is sent with the order in the request..
For a Getter, the data is received by the response with the associated command.
The SUM returns a status in its reply to indicate that the order has been properly processed. The Setter answer always 9
SMART USB MODULE EN
Translation of the original instructions
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