Doc. Title
Author
Page of Pages
ST20B OPERATION MANUAL
M. HEIDA
HB Lee
4 of 11
Concerning
Doc. No.
Rev.
Date
Features and How to set parameters
1.01
29. 01. 2018
Suntech International Ltd.
1. Introduction
ST20B
The ST20B is an ELD device. It is designed to collect data through the vehicle diagnostic connector, and interact
with a connected tablet.
Please note that this Operation Manual is for the standard model. In case specific requirements are incorporated into
this Manual, such a manual applies only for the case.
2. Overview
Main function of device installed on a vehicle is to report vehicle data required for ELD.
2-1. Parameter change
Parameters which have already been set on the device can be changed via RS232 connected with PC if a user
needs to do so. Some controlling functions can also be implemented in the same way.
-
9600bps, No parity, 8bit Data, Stop bit 1
2-2. Features
Key features of the ST20B device are as follows:
- Power Saving Modes (Power Down Modes)
- LED Indicators
The LEDs indicate whether or not the CAN communication is available from the vehicle
- I/O Lines
Device has:
1 Output line
1 Input lines
1 Ignition Output line
o
Ignition status is detected by the CAN data
- Upgrading Firmware
In case
‘firmware’ of the device has an (some) error(s) or needs to be upgraded to provide the user with newly
implemented services, the device can upgrade its internal ROM file by RS232 connection.
Over the air (OTA) updates will need to be handled by the device the ST20B is connected to, either a tablet
or telematics box.
RS232 baud rate is 115200 bps for upgrading firmware.
