Moxa Technologies C168P user manual Introduction, RS-422 Mode, RS-422/485 Port Switch of Opt8J

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Opt8J

Introduction

Opt8J

vRS-422/485 connection box with 8 port female DB25 connectors.

v1.5 meter DB62 to DB62 cable.

v110V or 220V adapter.

C168 P

Rx Tx

1

2

3

4

5

6

7

8

Opt8J

Opt8J is the RS-422/485 connection box with 8 port female DB25 connectors for MOXA 8 port boards, including the C168P. There are 8-DIP switches on the side of the Opt8J. Each switch controls the communication mode (RS-422 or RS-485) of each port, respectively.

1 2 34 5 6 78

DIP ON

RS-422/485 Port Switch of Opt8J

1 2 3 4 5 6 7 8

DIPON

RS-422 Mode

Set the respective switch to OFF position to use RS-422 interface. This means the port is always ready to transmit and receive data simultaneously (full-duplex).

C168P User’s Manual 1-7

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Contents May 1999 7th Edition C168P User’s ManualUniversal 8 Port Serial Board support@moxa.com.twTrademarks Copyright NoticeDisclaimer C168P User’s ManualMOXA Internet Services Chapter 2 Hardware Installation About This ManualChapter 3 Software Installation Chapter 5 Connection Option Opt8x and Cable WiringSoftware Installation Hardware InstallationSerial Programming Tools Table of ContentsTroubleshooting Connection Option Opt8x and Cable WiringTechnical Reference Introduction The Standard Multiport Async SolutionsOverview Quick Installation SwitchHardware Configuration Method JumperOperating System Support IntroductionMOXA Serial Comm Tools Wide ApplicationsFeatures Opt8A/Opt8B/Opt8S Check ListP1P2 P3 P4 Opt8C/Opt8DP5 P6 P7 P8 Opt8F/Opt8ZRS-422/485 Port Switch of Opt8J Opt8JRS-422 Mode Opt8JRS-485 Mode Installation GuideDefault Settings Hardware InstallationC168P How to Do Quick Hardware Installation Quick Hardware InstallationHardware Installation with IO-IRQ Utility 2-4 C168P User’s Manual IO-IRQ Utility and Hardware Configuration2. Select “Smartio/Industio ISA Family” and press ENTER key Speed 5. Press F10 to save the configuration and exit the utility 2-8 C168P User’s Manual Windows NT Software InstallationInstalling Driver 5. Select “MOXA Smartio/Industio Family multiport board” in the “Select OEM Option” dialog box, and then click OK to enter the “Moxa Smartio/Industio Configuration Panel” dialog box to start the installation 3-4 C168P User’s Manual Rx FIFO Trigger Port NumberTx FIFO Size 3-6 C168P User’s Manual Configuring Board and Port In this configuration panel, you may Updating Driver Windows 95/98Removing Driver 1. Run Setup95.exe in the driver diskette Note ! Go directly to the step 7 if you need not change any setting 3-12 C168P User’s Manual If error message like “Smartio C168 Series CAP=0x0180, port 1=COM3 3-14 C168P User’s Manual Updating Driver 3-16 C168P User’s Manual Software Installation 3-18 C168P User’s Manual Driver SetupC168P User’s Manual 3-20 C168P User’s Manual You may now enter/modify each port’s configuration. These displayed values are the port initial values as driver is loaded Loading Driver Unloading Driver 3-24 C168P User’s Manual Serial Programming Tools InstallationWindows NT and Windows 95/98 Utilities PComm Programming Library4-2 C168P User’s Manual Diagnostic for MOXA boards only 4-4 C168P User’s Manual Monitor for MOXA boards under Windows NT OnlyTerminal Emulator Data Scope DOS API-232 Library4-6 C168P User’s Manual There are three major functions in Data Scope utility Diagnose RS-485 Programming for Opt8JSolution There are 2 solutions to control RS-485 2-wire transmission4-10 C168P User’s Manual Connection Option Opt8x and Cable Wiring RS-232 Cable Wiring for Opt8A/B/C/D/SOpt8A/S DCE, DB25 Female The followings are pin assignments for various connection options2 RxD 3 TxD 4 CTS 5 RTS 6 DTR 7 GND 8 DCD 20 DSR Opt8B/C DTE, DB25 MaleStraight-through Cable Opt8A/S Type 1 To connect C168P to a DTE deviceNull Modem Cable Opt8B/C 5-4 C168P User’s Manual Type 2 To connect C168P to a DCE deviceConnection Option Opt8x and Cable Wiring Opt8A/S 5-6 C168P User’s ManualDTE Device RS-422 Cable Wiring for Opt8J/F/Z Opt8J/F/Z RS-422 Pinouts for Opt8J/F/Z2 RxD+B 3 TxD+B 14 RxD-A 16 TxD-A 7 GND 4 CTS+B 5 RTS+B RTS-AOpt8J/F/Z RS-422 Point-to-pointRS-422 Device RS-422 Device NOpt8J RS-485 Cable Wiring for Opt8JRS-422/485 Impedance Matching 5-12 C168P User’s Manual General Troubleshooting TroubleshootingHardware causes and solutions Hardware Causes and SolutionsSoftware Causes and Solutions A Io-irq Step Step Step Step Step StepStep 8. Power off the PC 4. Windows NT system panic blue screen 3. The COM number of the C168P conflicts with others6-6 C168P User’s Manual Technical Reference SpecificationsAppendix A-2 C168P User’s Manual IO/ Address PC I/O Port Address MapDevice Signal DB62 Connector PinoutsA-4 C168P User’s Manual Pin no3. Moxa hardware settings Problem Report Form C168PCustomer name Company Tel Fax EmailDate 1. Moxa Product C168P Serial Number 2. Moxa Driver VersionReturn Procedure