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1. Vending machines Energy management Test Instrumentation 22 Cable set top boxes Credit card terminals POS Terminals CNC Machines Security Systems Medical Industry Packing List With the LS 101 please verify that you have received LS 101 Unit RS232 Cable User Manual Power adapter Configuration Software Disk PO Yl Getting Started LS 101 Connect Collision Link100 Link10 Duplex Link Power Error Serial Connector LED s Description Ethernet Link status Power supply Error occured DIP Switch settings are read only at the power on DIP Switch Settings OFF ON ON ON Load factory defaults Note Since it erases the user configuration please use this mode in caution The LS 101 can operate in three modes DIP switch selectable of operation Please refer to chapter on Configuration 1 Configuration Mode 2 LAN to Serial converter 3 Modem mode All the operating modes are described below LS 101 can also be configured through the web browser First we need to configure the LS 101 Configuration Mode of Operation In this mode we configure the LS 101 Please set the switches as indicated below for Configuration Mode DIP Switch Settings Mode of operation Configuration Mode In this mode the serial port parameters are set to 9600 baud 8N1 Installation Set the LS 101 to the Configuration mode using the Dipswitch as indicate2. carriage return editing can be done with the backspace key Result Codes Result codes are responses by the LS 101 to commands Result codes may be English words or digits Unimplemented AT commands If an unimplemented command is entered no action is taken by the LS 101 and ERROR result code is issued Escape Code Sequence The three digit escape code sequence forces the LS 101 to the command state from the on line state The escape code sequence is Result codes Digit Code NO CARRIER ERROR Invalid command error in command line BUSY Unable to connect to remote host server AT Commands Facory Default Parameters Description D S x lt Ipaddress gt Attention Code AT is the command line prefix Attention code AT Precedes the command line except for escape and A repeat commands Parameters None Answer command A forces the LS 101 to go to auto answer mode Repeat Last Command A repeats the previous command Dial Command D causes the LS 101 to connect to the remote host server with the IP address that follows Valid characters are 0 9 Optional S x x 0 1 2 3 causes the LS 101 to establish connection with stored IP address servers Off line Echo Character Option En controls command echo to the host Parameters n 0 1 N 0 Disables echo N 1 Enables echo factory default On line Echo Character Option Fn determines whether characters are echoed to the host from the LS 10
3. set as shown DIP Switch Settings Instrument In Modem Mode Fig2 Modem mode of operation The LS 101 is always in one of two states the command state or the or line state Command State The LS 101 assumes the command state whenever power is applied This state allows the LS 101 to be configured for the particular application In the command state the data received from the serial port is treated as commands and responses are sent back LS 101 operation is controlled by AT commands Table 1 On line State The command ATD lt IP address gt is used to connect to the remote server Once the connection is established LS 101 send CONNECT response to the serial device The LS 101 will enter into the om line state i e what ever data received through the serial port is sent to the LAN and vice versa You can switch into the command mode by using the escape sequence Modem mode Command Reference Command Guidelines Carriage Return CR The command line must end with a carriage return The LS 101 will not begin to execute the command until it receives a CR Attention Code Command lines must begin with the characters AT A Command The A Command instructs the LS 101 to repeat the last successful command line stored in the buffer A may be used to reconnect the previous server when busy condition is encountered A is used in place of AT and no carriage return is required Backspace Key Prior to pressing
4. the Serial port parameters to 9600 8 n 1 Power on the LS 101 The LS 101 displays the Sign on message and prompts the user to enter the password as IDC IDC Inc LAN to Serial Device Server LS 101 Firmware Version 1 0 Feb 12 2002 Enter the Configuration Password Once the correct password is entered the LS 101 will displays the current LAN and serial parameters set in the EEPROM and main configuration menu as shown below LS 101 IP address 192 168 002 020 Server Port number 05000 Subnet mask 255 255 000 000 Gateway Address 192 168 002 001 DHCP Disabled Trusted Systems Feature Disabled Remote Server feature Disabled Serial Host Baud rate 9600 Serial Data Parity Stop bits 8 N 1 Serial Flow control None A Set IP address B Set Subnet mask C Set Gateway D Enable Disable DHCP E Enable Disable Trusted Systems feature F Trusted Systems IP addresses G Enable Disable Remote Server feature H Remote Servers IP addresses I Set Host Baud rate J Select Data size Parity Stop bits K Select the Flow Control L Set Configuration Password M Display current parameters N Save to EEPROM Enter the choice Select the choice and set the LS 101 LAN Serial parameters appropriately After all the parameters are set select the choice L to save the parameters to the EEPROM on the LS 101 Set the DIP switch Table 1 to the desired mode of operation Power off and ON the LS 101 Power on the LS 101 will read the
5. 1 10 0 0 121 lt CR gt ATDS 1 lt CR gt The LS 101 serial port DB25 Female connector is wired as DCE Remaining Pins are NC Not connected The LS 101 serial port DB9 Female connector is wired as DCE Input Insert a 620 Ohm resistor between GND and RS485 Signal B Pull down resistor Insert a 120 Ohm resistor between RS485 Signals A and B Terminating resistor Insert a 620 Ohm resistor between Vcc and RS485 Signal A Pull up resistor Remove a 620 Ohm resistor between Vcc and RS485 Signal A Pull up resistor Frequently Asked Questions FAQs 1 Where can I use the LS 101 Ans As a bi directional LAN to serial converter the LS 101 can be used to Net enable any instrument device that has a serial port With the LS 101 installed all such devices can now be monitored and controlled remotely 2 What are the Ethernet features supported Ans LS 101 supports auto detection of 10 100 Mbps link Half Full duplex auto negotiation Visual indicators are provided for Link Full Duplex Link 10 Activity Link 100 Activity and Collision 3 What are the Ethernet standards supported Ans LS 101 supports IEEE 802 3 802 3u and 802 3u clause 28 4 Which Internet protocols are supported Ans LS 101 supports TCP IP ICMP DHCP ARP 5 Can I Ping the LS 101 Ans Yes LS 101 supports ICMP for these purposes 6 What is the Ethernet MAC address of the LS 101 Ans The Ethernet MAC Address of every LS 101 is
6. 1 in the or line state Parameters n 0 1 N 0 Enables echo N 1 Disables echo factory default Connect control option Hn controls the connection to the host Parameters n 0 N 0_ Disconnect the TCP IP connection Identification Checksum Option In interrogates the LS 101 for its product identification Parameters n 3 N 3 IDCLS 101 Rev 1 0 On line Command O forces the LS 101 to the on line state from the command state When the LS 101 is in the or line state it will return to the command state upon receipt of the escape code Result Code Display Option Qn enables the modem to send result codes Parameters n 0 1 N 0_ Enables the return of result codes factory default N 1 Disables the return of result codes Quiet Result Code Form Option Vn determines the type of result code Parameters n 0 1 N 0 Result code is sent as digits short form N 1_ Result code is sent as words long form Or verbose factory default Recall Stored Profile Option Zn causes the LS 101 to fetch the stored configuration from non volatile memory and store it in the active configuration area An OK result code is returned Parameters n 0 1 N 0 _ Recall stored profile 0 previously Stored with amp W0 factory default Escape Code Sequence The escape code sequence forces the modem to the command state from the or line state It consists of a three character escape code sequence surrounded by escape guar
7. DIP switch EEPROM for serial and LAN parameters and operate accordingly For simple check use ping lt LS 101 IPADDRESS gt command LAN to Serial Mode In this mode of operation the data is transferred from LAN to serial and vice versa in a transparent mode To select this mode please set the DIP switch position as shown DIP Switch Settings Mode of operation LAN to Serial Bi directional The fig 1 Describes the existing scenario The Serial Software running on the server will read write to its serial port COM1 2 to communicate with the serial device g 1 Existing scenario Serial PC Fi Internet LAN enable the serial device by using two LS 101 s operating in the LAN to Serial mode of operation as shown in the fig 2 Use the same software and communicate with the serial device seamlessly In this scenario the serial device can be accessed or controlled through remotely over Internet or LAN Instrum ent Fig 2 Internet LAN enable the serial device Server running serial software Using the network software communicate with the serial device as shown in the following fig Fig 3 Internet LAN enable the serial device Server running Network software Modem Mode of Operation In this mode of operation the LS 101 emulates a dial up modem For transparency to existing software the LS 101 accepts modem AT commands These commands are listed in Table 1 The DIP switch is
8. LS 101 LAN to Serial Device server User s Manual Revision History Date 0 1 August IDC Initial document 29 2001 INTRODUCTION Overview Almost all instruments and most industrial equipment support a serial port called the craft port that is primarily used to program the device In a typical scenario the user takes a laptop to the device and through custom software programs the device or the instrument Being able to control and program instruments remotely through the LAN or the Internet is very desirable and has obvious advantages The LS 101 device server does precisely that The LS 101 connects the serial devices to the Ethernet With the full featured serial handshake signals and 10 100 Base T network interface it is now easy to network enable any device that has serial port Features Internet enables any device that has serial port Use existing software TCP IP ICMP HTTP and DHCP Protocols supported Automatic 10 100 BaseT selections Communicate only with Trusted systems Configuration is protected with the password Baud rates up to 230 4Kbps Data size 7 or 8 Stop bits 1 or 2 Parity Odd or Even or None Flow control Hardware XON XOFF none Easy configuration Modem mode of operation Diagnostic LED indicators Compact size 3 4 X 2 3 X 0 9 inches Operating temperature 10 to 65 C Applications SCADA Supervisory Control And Data Acquisition
9. d above Connect the serial port of the system to the LS 101 as shown in the figure below Power on the LS 101 In the configuration mode the LS 101 serial port parameters are set to 9600 8 n 1 Fig Configuring the LS 101 The LS 101 can be configured using IDC supplied configuration program LS101 exe or using any Terminal Emulation program Hyperterminal For proper operation the following parameters must be set DHCP Disabled Enable Disable the DHCP i e Automatically obtain the Ethernet Trusted Systems Disabled Any system on the network can Feature communicate with the serial device If o Enabled Communication is permitted with any of the trusted Systems Trusted Systems IP 0 0 0 0 Allow TCP IP connections to only these addresses list systems Remote Server Disabled If Remote Server feature is Disabled feature AND there is NO Client connected to LS 101 data received on the RS 232 port is discarded If Remote Server feature is enabled AND there is NO Client connected to the LS 101 data received on RS 232 port is sent to one of the Remote servers at the specified port Remote Server IP 0 0 0 0 The IP address of the system to which addresses list this LS 101 has to make the connection 9600 Serial port baud rate Data size Parity and 8N 1 Serial port Data size parity and stop bits stop bits Serial port Handshaking control Used to protect the configuration Configuring LS 101 through the LS101 exe Set
10. d times The delay between issuance of each escape character must not exceed the escape guard time The escape guard time is defined as the time delay required between the last character transmitted and the first character of the escape code The guard time is 1 Second and the escape character sequence is The escape character must be entered three consecutive times To enter the escape code sequence perform the following WAIT AT LEAST 1 SECOND After the last character has been transmitted Enter Delay less than one second between characters WAIT AT LEAST 1 MORE SECOND Before transmitting another character The LS 101 returns to the local command state and sends the OK result code The LS 101 will not disconnect the TCP IP connection until it receives an ATH command The ATO command will make the LS 101 to go back to po fontine state S O a a Data Terminal Ready Option amp Dn controls the Data Terminal Ready DTR options Parameters n 0 2 N 0 _ LS 101 ignores DTR factory default N 2 LS 101 disconnects the TCP IP Connection and assumes the Command state when DTR is de Activated View Active Configuration and User Profiles The active and stored profiles are displayed along with the stored IP addresses Store IP Address amp Zn stores upto four IP addresses into the NVRAM for later recall by the DS dial stored number command Parameters n 0 1 2 3 X lt IP ADDRESS gt Example AT amp Z
11. printed on the LABEL The Ethernet MAC Address will start with 00 07 91 7 Any security features incorporated Ans LS 101 supports two security features 1 Configuration Password 2 Communicate only with the Trusted systems 8 What is a trusted system Ans A trusted system is an IP address that is authorized to communicate with LS 101 Communication with other IP addresses server is ignored 9 Ihave a different requirement will IDC be able to support Ans Definitely For custom design and features please contact IDC
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