KTI Networks KSC-240 Installation Guide Page 1

-1-IndustrialRS-232 to RS-485/422 ConverterKSC-240Installation GuideDOC.070412-KSC-240

-10-DC Power InterfaceInterface Screw-type terminal block 1. Two pairs for power wire cascading 2. One pair for power failure relay outputDC Jack (-

-11-CertificateFCC Part 15 Class BCE/EMC EMI EN50081-1 Class BEMS EN55024CE/LVD Safety EN 60950EN 50081-1/1992 :EN55022:1994/A1:1995/A2:1997EN61000-3-

-12-2. Installation2.1 UnpackingCheck that the following components have been included:• Information CD• The device unit• DIN-rail mounting bracketIf

-13-2.2 Safety CautionsTo reduce the risk of bodily injury, electrical shock, fire, and damage tothe equipment, observe the following precautions.• D

-14-2.3 DIN-Rail MountingIn the product package, a DIN-rail bracket is installed on the device formounting the converter in a industrial DIN-rail encl

-15-The final mechanical dimensions after installing DIN rail mounting bracketare:

-16-2.4 Panel MountingThe device is provided with an optional panel mounting bracket. Thebracket support mounting the device on a plane surface secure

-17-The screw locations and final dimension are shown below:

-18-2.5 Applying PowerThe power specifications of the device are:Operating Voltage +7 ~ +30VDCPower Consumption Max. 0.6W @+30VDC, +12VDC, +7.5VDCThe

-19-Power wires: 24 ~ 12AWG (IEC 0.5~2.5mm2)Install the power source wires with the plug properly. Screw the wire withplug securely. Then, plug in DC1

-2-(C) 2006 KTI Networks Inc. All rights reserved. No part of this documen-tation may be reproduced in any form or by any means or used to makeany dir

-20-Using DC Power JackDC Jack Connector: Jack D 6.3mm D 2.0mmAC Power Adapters: Optional commercial rated adapters are availablefor purchasing.Rate

-21-2.6 Power Failure Relay OutputThe device provides a relay output to report power failure event to aremote alarm monitoring system. The replay outp

-22-2.7 DIP SW ConfigurationSW1-2 & 14W 4-wire (RS-485/422 driver receiver separated)2W 2-wire (RS-485/422 driver receiver connected)[2W] setting

-23-SW1-3T- D Disable RS-485/422 receiver terminatorT-E Enable RS-485/422 receiver terminator[T-E] setting enables the internal 120 ohms terminator on

-24-SW1-4TXC RS-485/422 driver enable control by RTS or ADCTXE RS-485/422 driver is forced to enable[TXC] setting enables RS-485/422 driver to be cont

-25-SW1-5RTS-D Disable RTS control for RS-485/422 driverRTS-E Enable RTS control for RS-485/422 driverRTS control method allows the connected RS-232 d

-26-SW1-8&7BIAS-D RS-485/422 receiver line bias is disabledBIAS-E RS-485/422 receiver line bias is enabledThe line bias is used to maintain the pr

-27-SW2-1SDD Disable ADC control for RS-485/422 driverSDE Enable ADC control for RS-485/422 driverADC method involves special circuitry that senses wh

-28-2.7.1 RS-485/422 Driver and Receiver ControlThe following table lists the possible DIP SW settings related to RS-485and RS-422 driver and receiver

-29-2.8 Making Serial RS-232 ConnectionTypical RS-232 Interface DCE Pin Assignment TablePin# Signal Name Input/Output 1 Received Line Signal Detect O

-3-The information contained in this document is subject to change withoutprior notice. Copyright (C) All Rights Reserved.TRADEMARKSEthernet is a regi

-30-The RS-232 to RS-485/422 converter as an interface between an RS-232device and RS-485 or RS-422 bus. The connection is illustrated as fol-lows:The

-31-2.8.1 Cable for Connection to PC COM PortConnecting to 9-pin DTE device (Computer or PC COM)Connecting to 25-pin DTE device (Computer or PC COM)

-32-3 Making RS-485/422 ConnectionEIA-485 [TIA-485] Balanced (differential) interface; defines the Physicallayer, signaling protocol is not defined. E

-33-RS-485 and RS-422 are in wide use as an interface for telecommunica-tions, industrial, medical, security and networking applications. The fol-lowi

-34-It also can convert an RS-232 device into a receiver node in this point-to-point circuit.The configuration for a RECEIVER node is:SW1-4 TXC Enable

-35-The converter can convert an RS-232 device into a Master node in thismulti-drop network.The configuration for MASTER node is:SW1-4 TXE Enable Driv

-36-3.3 RS-485 Multi-drop NetworkThis topology is similar to RS-422 multi-drop. However, up to 32 receiv-ers are permitted under RS-485. This may be u

-37-It is also able to convert an RS-232 device into a SLAVE node in this multi-drop network.The configuration for a SLAVE node is:SW1-4 TXC Enable RT

-38-3.4 RS-485 Half-duplex 2-wire NetworkThis is the typical RS-485 topology. It takes advantage of RS-485 capabil-ity to support multiple drivers on

-39-The converter features RS-485 driver and receiver in one device. It alsoprovides very flexible configuration settings for Driver Enable controland

-4-Table of Contents1. Introduction...51.1 Features ...

-40-The master node may drive its bus while any of the slave nodes aredriving the lower pair, making this 4-wire network a full-duplex communi-cation

-41-3.6 Summary of the Converter ApplicationsThe common topologies implemented with RS-485 and RS-422 are:1. RS-422 point to point in 2 -wire circuit2

-42-4 LED IndicatorsThe following figure shows the locations of the LED indicators:4.1 LED IndicatorsLED DISPLAY STATE INTERPRETATIONPWR Power status

-43-5 Factory Default ConfigurationThe following table lists the factory default settings for configurationDIP SW:SW Name Default SettingSW1-2&1 4

-5-1. IntroductionThe industrial converter is designed to convert RS-232 signals to opti-cally isolated, balanced, full or half-duplex RS-422 or RS-48

-6-1.1 Features Supports RS-232 baud rate up to 115.2Kbps Operation with no required configuration Provides surge protection (transient voltage) on

-7-1.2 SpecificationsThis figure shows the important components of the device:

-8-Serial Interface (RS-232 Port)Connector DB9 femalePin Assignments DCE typeBaud Rate Support Up to 115K baudConnector Shield Connect to chassis grou

-9-Configuration DIP SW SettingsSW Name State FunctionSW1-2&1 4W Off 4-wire (RS-485/422 driver receiver separated)2W On 2-wire (RS-485/422 driver