Instruction/ maintenance manual of the product MiiNePort E1-H-ST Moxa
Go to page of 8
MiiNePort E1 Schematic Design Guide First Edition, June 2010 www.moxa.com/product © 2010 Moxa Inc. All ri ghts reserved. Reproduction without permissi on is prohibited.
MiiNePort E1 Schematic Design Guide The software describe d in this manual is furnished under a license agreement and may be used only in accordance with the terms of th at agreement. Copyright Notice Copyright ©2010 Moxa Inc. All right s res erved .
Table of Contents Pin Description ................................................................................................................ ...................... 2 System Power Ci rcuit De sign .................................................
Pin Description (Righ t Side V iew) (Bot tom View ) Signal Name Pin Funciton GND 1 Circuit Ground. VCC 2 +3.3V Power in. Reset 3 External HW R eset In. Data Out (TxD) 4 Serial Data Out. Data IN (RxD) 5 Serial Data In. RTS 6 Pin 6 can be configured as Ready/RTS (Request to Send),DO,or RS-485 Tx Enable d (default is Ready/RT S).
System Power Circuit Design Symbol Description Min Nominal Max Units VCC Supply voltage(typical 3.3V) * 3.14 3.3 3.46 V *Power Consumption is 160mA@3.3VDC input RS-232 Circuit Design VC C C0 .
2W-RS-485 Circuit Design 485_EN Da ta In D- R 10K R 0603 1 2 SN 75H VD 07D R SO8P R 1 EN R 2 EN T 3 T 4 GN D 5 D+ 6 D- 7 VC C 8 5V Da ta O ut 5V D+ R 150K 1 2 R 150K 1 2 D+ R P1 DB 9 M 5 9 4 8 3 7 2 6 1 10 11 D- Reset Circuit Design S3 SW I T C H 1 2 Re se t 2.
DIO Circuit Design DI R 1 2 VC C DI2 VC C R 1 2 DI1 SW I T C H 1 2 4 3 DO 2. VCC 1. GND 8. DI2 7. DI1 2. VCC 1. GND 6. DO2 7. DO1.
R 1 2 DO 1 VC C R 1 2 DO 2 VC C DC Characteristics for Serial PIO INTERFACE Symbol Param eter Min Typ. Max Units VIL Input Low Voltage -0.3 0.8 V VIH Input High Voltage 2 5.5 V VOL Outpu t Low Voltage 0.4 V VOH Output High Voltage 3.3 V IOL GPIO/Other interface 11/5.
An important point after buying a device Moxa MiiNePort E1-H-ST (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Moxa MiiNePort E1-H-ST 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 Moxa MiiNePort E1-H-ST - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Moxa MiiNePort E1-H-ST you will learn all the available features of the product, as well as information on its operation. The information that you get Moxa MiiNePort E1-H-ST will certainly help you make a decision on the purchase.
If you already are a holder of Moxa MiiNePort E1-H-ST, 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 Moxa MiiNePort E1-H-ST.
However, one of the most important roles played by the user manual is to help in solving problems with Moxa MiiNePort E1-H-ST. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Moxa MiiNePort E1-H-ST 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
