KTI Networks KSC-240 - Manuals

- 7 - 1.2 Specifications This figure shows the important components of the device:

- 9 - Configuration DIP SW Settings SW N am e State Function SW1-2&1 4W O f f 4-wire (RS-485/422 driver receiver separated) 2W On 2-wire (RS-485/422 driver receiver connected) SW1-3 T -D O f f Disable RS-485/422 receiver terminator T -E On Enable RS-485/422 receiver terminator SW1-4 TXC O f f RS...

-11- Certificate FCC Part 15 Class B CE/EMC EMI EN50081-1 Class BEMS EN55024 CE/LVD Safety EN 60950 EN 50081-1/1992 :EN55022:1994/A1:1995/A2:1997EN61000-3-2:2000EN61000-3-3:1995/A1:2001 EN 55024:1998/A1:2001IEC 61000-4-2:1995 ESD Test IEC 61000-4-3:1995 RS Test IEC 61000-4-4:1995 EFT/BURST Test IEC ...

-16- 2.4 Panel Mounting The device is provided with an optional panel mounting bracket. Thebracket support mounting the device on a plane surface securely. Themounting steps are: 1. Install the mounting bracket on the device unit. 2. Screw the bracket on the device unit. 3. Screw the device unit on ...

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

-18- 2.5 Applying Power The power specifications of the device are: Operating Voltage +7 ~ +30VDC Power Consumption Max. 0.6W @+30VDC, +12VDC, +7.5VDC The device provides two types of power interfaces, terminal block and DCpower jack for receiving DC power input from external power supply. Using Ter...

-20- Using DC Power Jack DC Jack Connector: Jack D 6.3mm D 2.0mm AC Power Adapters: Optional commercial rated adapters are available for purchasing. Rated AC120V/60Hz DC7.5V 1ARated AC230V/50Hz DC7.5V 1ARated AC100V/50-60Hz DC7.5V 1ARated AC240V/50Hz DC7.5V 1A Connect power adapter DC plug to the DC...

-21- 2.6 Power Failure Relay Output The device provides a relay output to report power failure event to aremote alarm monitoring system. The replay output is provided with twocontacts labeled PF+ and PF- in the terminal block interface. Use the provided 2P terminal plug for signal wiring and plug in...

-22- 2.7 DIP SW Configuration SW1-2 & 14W 4-wire (RS-485/422 driver receiver separated) 2W 2-wire (RS-485/422 driver receiver connected) [2W] setting activates the internal connection between driver and re-ceiver in RS-485/422 interface. It simplifies the installation of the con-verter in a 2-wi...

-26- SW1-8&7 BIAS-D RS-485/422 receiver line bias is disabled BIAS-E RS-485/422 receiver line bias is enabled The line bias is used to maintain the proper idle-state voltage to the idlecondition (when no driver is enabled on the bus). These bias resistors arepull-up resistors on the data B line ...

-28- 2.7.1 RS-485/422 Driver and Receiver Control The following table lists the possible DIP SW settings related to RS-485and RS-422 driver and receiver control: SW1-4 SW1-6 SW1-5 SW2-1 Behavior TXE RXC RTS-D SDD Driver is enabled.Receiver is disabled. TXE RXE - - Driver is enabled.Receiver is enabl...

-29- 2.8 Making Serial RS-232 Connection Typical RS-232 Interface DCE Pin Assignment Table P i n # S i g n a l N am e I n p u t / O u t p u t 1 Received Line Signal Detect Output 2 TX Data Output 3 RX Data I n p u t 4 DTE Ready I n p u t 5 Signal Ground Output 6 DCE Ready Output 7 Clear To Send I n ...

-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 following signals received on the RS-232 interface are converted toRS-485 bus signals: Pin# Signal Name Input/Output 2 TX Data Output 3 RX Data Inp...

-31- 2.8.1 Cable for Connection to PC COM Port Connecting 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 Connection EIA-485 [TIA-485] Balanced (differential) interface; defines the Physical layer, signaling protocol is not defined. EIA-485 specifies bidirectional,half-duplex data transmission. Up to 32 transmitters and 32 receivers maybe interconnected in any combination, inclu...

-33- RS-485 and RS-422 are in wide use as an interface for telecommunica-tions, industrial, medical, security and networking applications. The fol-lowing sections describe examples of some of popular physicaltopologies. 3.1 RS-422 Point-to-Point Circuit This is the simplest configuration, just one d...

-35- The converter can convert an RS-232 device into a Master node in this multi-drop network. The configuration for MASTER node is: SW1-4 TXE Enable Driver always SW1-6 RXC Enable Receiver RTS/ADC Control SW1-5 RTS-D Disable RTS control SW2-1 SDD Disable ADC control It also can convert an RS-232 de...

-38- 3.4 RS-485 Half-duplex 2-wire Network This is the typical RS-485 topology. It takes advantage of RS-485 capabil-ity to support multiple drivers on a bus. RS-422 devices should not beused in this configuration. This topology enables bidirectional communi-cation from many nodes over long distance...

-41- 3.6 Summary of the Converter Applications The common topologies implemented with RS-485 and RS-422 are: 1. RS-422 point to point in 2 -wire circuit 2. RS-422 2-wire multi-drop network 3. RS-485 2-wire multi-drop network 4. RS-485 half-duplex bidirectional network in 2-wire topology 5. RS-485 fu...

-42- 4 LED Indicators The following figure shows the locations of the LED indicators: 4.1 LED Indicators LED DISPLAY STATE INTERPRETATION PWR Power status ON The device is powered on. OFF The device is powered off. 232 TX RS-232 TX ON RS-232 TX data is present OFF No RS-232 TX data 232 RX RS-232 RX ...

-43- 5 Factory Default Configuration The following table lists the factory default settings for configurationDIP SW: SW Name Default Setting SW1-2&1 4W 4-wire (RS-485/422 driver receiver separated) SW1-3 T-D (Off) Disable RS-485/422 receiver terminator SW1-4 TXC (Off) RS-485/422 driver enable co...