Instruction/ maintenance manual of the product SSU2-400I Quatech
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USB to RS-232/422/485 Isolated Converter Quatech Model SSU2-400I Operation Manual.
1 First Edition, Jun 2008.
2 T able of Contents 1. Introduction ……………………………………………… 2 2. Package checklist …………………………………………… 3 3.
3 1 1 Introduction Thank you for your purchas e of the USB to serial adapter . Featuring USB (Universal Serial Bus) interface techno logy , it is convert ed the USB to RS-232 or industrial RS422/485, so it can be easily adopted for industrial machines with RS232 or RS422/485 interfaces.
4 2 2 Package checklist This product is shipped with the following items: 1 unit of USB to RS-232/422/485 Isolated converter 1 unit of A type to B type USB cable User Operation Manual .
5 3 3 Product Specification Serial Port RS-232 ● No. of Ports : RS-232 * 1 Port ● Port T ype : DB9 male ● RS-232 Signals : DCD , RX , TX , GND , R TS , CTS , DTR , DSR ● Receive buffer : 576 Byte ● T ransmit buf fer : 640 Byte ● Baud Rate Speed : 300 bps 921.
6 RS-422/485 ● No. of Ports : 422/485 * 1 Port (T erm inal Block) ● RS-422 Signals : RxD+ , RxD- , TxD+ , TxD- in Full-duplex (Sur ge Protection) ● RS-485 Signals : Data+ , Data- in Half-duplex (Surg e Protection) ● Receive buffer : 576 Byte ● T ransmit buf fer : 640 Byte ● Baud Rate Speed : 300 bps 230.
7 Humidity: 5-95% RH Dimensions : 88 * 91 * 27 mm ( W * D * H ) WEIGHT : 94 gm Regulatory Approvals : ● EMC : FCC Class A, CE Class A ● W ARRANTY : 1 Y ear.
8 4 4 Product Panel Views Description Pr oduct V i ews USB T ype B Connector Power Outlet - The USB to Serial c onverter is powere d by USB (Universal Serial Bus) port a single 5V DC (Inner positive/outer neg ative) power supply and 500mA of current. If the p ower is properly supplied , the SYS indicator of red color LED will be on.
9 This converter ’s USB port is a U SB type B connector and it is f ully compatib le with the USB V1.1 ~ 2.0. Serial I/O Port Serial I/O Port of RS-232/422/485 T o connected the serial data cable between the conver ter and the serial device. Follow the paramete r setup procedures to co nfigure the converter (see the fo llowi ng chapters).
10 LED Indicators SYS (Red) It is a power indicator (When the powe r is on, the SYS LE D will be on.) RX (Orang e) Data received indicator (When data are received from the USB, the RX LED will be on.) TX (Green) Data sent indicator (When data are se nt o ut to the USB, the TX LED will be on.
11 5 5 Driver Installation When setting up this converte r for the first time, you hav e to install the driver CP201x first in your computer device be fore connecting it. There are several OS as Windows 98 / XP / 2000 / Vista …, Linux …, Mac … The utility CD is enclosed in the device box.
12 If your computer equi pment is runnin g Windows OS that the pop-up screen of installing massage will be showed as “CP210x VCP Drivers fo r Windows 2000/XP/2003 Server/Vista on your comp uter” and then to Cl ick “Next” icon for go ing to next step.
13 D. Choose destination location It is for saving the CP201x driver software in destination location of computer. E. Execute the program installation Click the “install” icon to begi n installation of CP210x driver.
14 F. Scan and install CP 210x USB to UART Br idge Driver Installer After click “Install” icon, system is going to scan CP210x USB to UART Bridge driver installer and installation location.
15 G. “System Settings Change” Notice The massage is notified you that your computer has been changed after installing of CP210x U SB to UART Bridge Driv er Installer.
16 6 6 Hardware Installation & Setup Hardware Inst allation 1. Power on your co mputer and until OS is ready after booting 2. USB cables have two dist inct connectors. The Type A connector is used to connect the cable from a USB device to the Type A port on a computer or USB hub.
17 4. Connect the serial port (RS2 32 or RS422 or RS485) equi pments to this USB to serial converter. 5. After connecting the USB to serial conv erter, then a massage as “New device has been connected” will be pop-up on screen. Howeve r, the CT201x driver needs to be install ed in PC in advance.
18 Hardware Setup When the USB to serial conv erter has successfully connected and you can setup more detailed parameter s by Computer’s Management. A. Into “Manage” icon in My Computer Click “My Computer” icon and then pr ess the right si de button of mouse.
19 B. Choose “Device Ma nager” and click “Por ts(COM & LPT)” in Device Manager Click “Device Manager” item , all devices of compute r will be list on right site of screen and then clic k “Ports (COM & LPT) it em for looking for more COM devices.
20 D. Device status of CP210x USB to UART Bridge Controller This is showing the st atues of device and some product general information. COM port number of device is also display on. E. “Driver” detail information This is for checking more detail infor mation of driver in this device.
21 F. “Details” item It is for checking device ID numbers as device instance ID..
22 A A p p p p e e n n d d i i x x A A Pin outs and Connector □ □ □ USB Layout Diagram Type A USB Connector Type B USB Connector □ □ □ RS-232 Pin Assignment The pin assignment scheme for a 9-pi n male connector is given below.
23 Serial Device USB to RS-232/422/485 Converter 2 R X 3 T X 3 T X 2 R X 5 G N D 5 G N D 7 R T S 8 C T S 8 C T S 7 R T S □ □ □ RS-422 Pin Assignment The pin assignment scheme for a 4-pin R S-422 is given below.
An important point after buying a device Quatech SSU2-400I (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Quatech SSU2-400I yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Quatech SSU2-400I - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Quatech SSU2-400I you will learn all the available features of the product, as well as information on its operation. The information that you get Quatech SSU2-400I will certainly help you make a decision on the purchase.
If you already are a holder of Quatech SSU2-400I, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Quatech SSU2-400I.
However, one of the most important roles played by the user manual is to help in solving problems with Quatech SSU2-400I. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Quatech SSU2-400I along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
