SERIAL ROUTER 1.0 User Manual 05/06
Contents
1. Removable screw terminal socket on front panel e The two leftmost positions accept external power between 6 and 30VDC e The two rightmost positions may be used to supply the external GSM GPRS modem with power if one is used only when a peripheral is ON EXT MODEM DB9M connector MASTER port on rear panel Connect a modem using a standard straight cable Connector is wired as DTE PC style DEVICE 1 to 3 DB9F connectors on rear panel Connect up to 3 peripheral RS232 devices Connectors are wired as DCE modem style Inverse connection Connect one RS232 device on EXT MODEM and up to 3 modems PC etc on DEVICE 1 2 3 connectors Thus you can access the same device using 3 communication media In this mode you must use CTS RTS handshaking when connecting to DEVICE connectors The Sym o net will detect the handshaking Signals and connect the active DEVICE connector to the master port MODEM LED on front panel e Flashing means that the Sym o net is in AUTO MODE idle e Continuously ON and all DEVICE LEDs OFF indicate that the Sym o net is in CONTROL MODE from the MASTER MAIN port MANUAL MODE e Continuously ON and one DEVICE LED ON indicate that the Sym o net is in AUTO MODE connected DEVICE 1 to 3 LEDs on front panel One of them ON indicates that the Sym o net is either in AUTO MODE connected or in MANUAL MODE or in RTS MODE connecting the corresponding peripheral device to MASTER PORT All three LEDs are fla2. 3 for data mode APN XXXXXXXXXXXX Sets the APN for GPRS connection See note 8 GPRS connection See note 7 GPRS connection See note 7 XUSER XXXXXXXXX Sets the User Name of the SIM Card s Email account The domain HSTPORTNUMBER Assign port number for host for GPRS mode GPRS connection It must be the same with Diameson s Device Listening Port From Diameson s Options Menu See note 7 HOSTIP XXX XXX XXX XXX Assign the IP address of the host computer for GPRS mode GPRS connection Eee note 7 Description TIME Returns Sym o net s date and time in the form DD MM YY HH MM SS where DD is the Day MM the month YY the Year HH the Hours YY the Minutes and SS the seconds STATUS Returns the ON OFF Times of all Devices and the Sym o net clock time in Hours and minutes RSSI Returns the current GSM Signal Strength Indication If CONTROL MODE was entered remotely the signal strength at the time of the connection will be returned while if it was entered locally it checks the current signal This is equivalent by continuously pressing both CONTROL and AUTO buttons and releasing them The buttons can be pressed in any mode Also see paragraph 3 Sym o net Description BAT Returns the battery voltage SMSNUM Returns the SMS alarm phone number to which an SMS message will be sent if the battery voltage is found less than 10V 13 HOSTIP Returns the IP address of the host computer for GPR
3. via a PERIPHERAL PORT if the previous mode is MANUAL MODE or RTS MODE or connected AUTO MODE by connecting the active peripheral port indicated by the corresponding DEVICE LED to a computer COM port Send the command No character transmission for at least 1sec transmit 3 characters in short succession no character transmission for at least 1sec via a Straight cable It can also receive commands remotely through the internal or external modem when in connected AUTO mode The commands in CONTROL MODE are mentioned below Before typing any command the Sym o net PASSWORD is requested Then You can switch to AUTO MODE via the AUTO command or via the AUTO button Furthermore Sym o net switches automatically to AUTO MODE if 5 minutes pass without typing any command Finally with the PDON command where D 1 2 or 3 and corresponds to the corresponding peripheral you switch to connected AUTO MODE with the specific peripheral However if you had switched to CONTROL MODE from this PDON AUTO MODE via the AUTO command the AUTO button or after 5 minutes have passed without a command you return to the same PDON AUTO MODE and not in the programmed normal AUTO MODE You can switch to MANUAL MODE via the CONTROL button EMAIL MODE While in AUTO MODE when the time to send an email has reached according to the email interval Email command as mentioned below Sym o net will attempt to send an em
4. DE before typing any command the Sym o net s PASSWORD is requested You must type PASSWORD X where X is the PASSWORD COMMANDS IN CONTROL MODE SET Commands to pressing the AUTO button P1ON Exits CONTROL MODE and connects Device Peripheral 1 to modem and MASTER PORT in AUTO MODE until the P1OFF time is matched Any other ON or OFF time does not affect the connection See note 1 P2ON Exits CONTROL MODE and connects Device Perpheral 2 to modem and MASTER PORT in AUTO MODE until the P2OFF time is matched Any other ON or OFF time does not affect the connection See note P30N Exits CONTROL MODE and connects Device Peripheral 3 to modem and MASTER PORT in AUTO MODE until the P3OFF time is matched ee Any other ON or OFF time does not affect the connection See note 1 P1ON XX Y0 Sets the time that Device1 will be connected to modem and MASTER PORT and that the corresponding peripheral port will open See notes 2 3 4 5 P20N XX Y0 Sets the time that Device2 will be connected to modem and MASTER PORT and that the corresponding peripheral port will open See notes 2 3 4 5 P30ON XX Y0 Sets the time that Device3 will be connected to modem and MASTER PORT and that the corresponding peripheral port will open See notes 2 3 4 5 P10FF XX Y0 Sets the time that Device1 will be disconnected from modem and MASTER PORT and that the corresponding peripheral port will close Notes 2 3 4 12 P20FF X
5. O MODE Most of the times devices sending RTS requests simply send an SMS to a specified phone such as Symmetron s Tiltometer However an RTS request can be also sent from a computer COM port if you connect a straight cable to a peripheral port and create a connection e g via HyperTerminal Then within 45 seconds in order not to lose the connection via RTS you can switch to CONTROL MODE if you type the command as described below 5 Diagram of modes RTS mode EMAIL mode The device Sym o net serves RTS If a peripheral is sending RTS requests from one or connected AUTO MODE has been more peripherals one it is disconnected If a Power served by one If in Stylitis 41 101 datalogger up No character Connected AUTO is connected to P1 a data from the mode the requests file is sent to the selected device is will be remembered recipient via email Then sent for 45 and served when it goes to idle the peripheral is reconnected RTS request Time to from a send an peripheral email has Email port reached successfully y A to download AUTO MODE Sym o net examines set times of the peripherals connections Idle AUTO mode Current time is not between any peripheral s ON time and OFF time Peripherals are disconnected MODEM LED is flashing Connected AUTO mode Current time is between a peripheral s ON time and OFF ti
6. S mode GPRS connection SerialNum Returns the Sym o net s Serial Number Returns a Help list of the mentioned commands NOTES _ The command must be used to return to CONTROL MODE 2 To facilitate programming peripherals are switched on when set times are reached or if the current time is between a peripheral s ON and OFF time This can occur if you set an ON time before the current clock time and the corresponding OFF time after the current clock time 3 Minutes are set in 10nths i e 12 10 12 20 etc The 00 00 setting is not valid 4 If the settings range for one peripheral overlaps with the settings for another there is a priority order for the peripheral that will be connected P1 gt P2 gt P3 5 To disable a peripheral i e to leave it disconnected at all times set PxON hh mm and PxOFF hh mm at the same time setting 6 These parameters must be assigned for EMAIL MODE Concerning the Recepients you can add as many Recepients as you desire provided that you add them one by one If you desire to add more recepients add a comma ie type ERecep RECEP where RECEP is the recepient Then you can repeat the same command form as many times as you desire until the last recipient the corresponding command of which must be terminated without a comma The only restriction is that the total number of characters you must count all the recepients characters and the commas must n
7. SYM O NET Model SR3T1 USER S MANUAL SYMMETRON ELECTRONIC APPLICATIONS Copyright 2005 2006 The Symmetron Company Second Edition in English April 2006 No part of this publication may be reproduced stored in a retrieval system or transmitted in any form by any means without the prior written permission of Symmetron Company Information furnished by Symmetron is believed to be accurate and reliable however no responsibility is assumed for its use No license is granted by implication or otherwise Symmetron is a registered trademark and Stylitis is a trademark of the Symmetron Company All other trademarks belong to their respective owners WARRANTY The Symmetron Company warrants its products shall be free from defects on materials and workmanship under normal use for the period of 1 year Symmetron s obligation under this warranty shall not arise until buyer returns the defective product freight prepaid to Symmetron s facility or another specified location The only responsibility of Symmetron under this warranty is at its option to replace or repair free of charge any defective component of such products THE WARRANTY DOES NOT EXTEND TO AND SHALL NOT APPLY TO 1 Products which have been repaired or altered by other than Symmetron s personnel unless Buyer has properly altered or repaired the products in accordance with procedures previously approved in writing by Symmetron 2 Products which hav
8. X Y0 Sets the time that Device2 will be disconnected from modem and MN MASTER PORT and that the corresponding peripheral port will close Notes 2 3 4 P30FF XX Y0 Sets the time that Device3 will be disconnected from modem and anioni MASTER PORT and that the corresponding peripheral port will close Notes 2 3 4 TIME DD MM Sets Sym o net s date and time DD is the Day MM the month YY the Year HH the Hours YY the Minutes and SS the seconds SMSNUM X Sets a phone number up to 20 digits to which an SMS message will be sent if the battery voltage is found less than 10V As long as the battery voltage remains low the message will be repeated each midnight Enter the command with X nothing to disable this feature i e SMSNUM PASSWORD old new Changes the current PASSWORD Type the old and the new password separated by a comma If the Sym o net is connected as a client MODEMROLE 1 when it returns to AUTO MODE it will be disconnected and reconnected with the new Password Email XX Sets the Email interval in hours The valid numbers are the dividers of 24 If the value is e g 24 an email will be sent every day at 00 00 while if it is 08 an email will be sent at 00 00 at 08 00 and at 16 00 Set Email 0 to disable emails MAILS XXXXXXXXXXX Sets the Mailserver See note 6 XXXXXXXXXXXXXXXXXXXX See note 6 ERecep XXXXXXXXXXX Sets the Email Recepient s See note 6 rei S S MODEMROLE X Assign 1 for GPRS mode
9. ail containing Stylitis 41 101 data to one or more selected recipients Moreover the email s body contains the datalogger s battery voltage power supply its site name its flash card status its model Stylitis 40 or Stylitis 100 and the current values of its first analog A1 and counter C1 channel You can set the email time sender recepient and mailserver in CONTROL MODE with the commands explained below The email will be successfully sent if a Stylitis 41 101 datalogger is connected to DEVICE 1 peripheral port via a NULL MODEM cable and contains data to download If there are no data to download or no datalogger is connected no email is sent and Sym o net returns to AUTO MODE While in EMAIL MODE the MODEM LED is steadily lit while the DEVICE 1 LED is flashing If the Sym o net power or the connection to the datalogger is lost during EMAIL MODE the email is lost and Sym o net returns to AUTO MODE e You cannot switch to any mode while in EMAIL MODE Sym o net will exit this mode when it has sent the email or when it finishes the attempts to send it and will return to AUTO MODE MANUAL MODE While in AUTO MODE or in CONTROL MODE press the CONTROL button to enter MANUAL MODE With the first press the main port opens LED steadily lit in CONTROL MODE That is if you connect a computer COM port to the MAIN PORT via a NULL MODEM cable you can type the CONTROL MODE commands described below With the next press Device 1 is
10. ails via this SIM Card You must put the Card in a Cellphone and send OPEN or the Greek letter E via SMS to the number 54000 Then you will be given the account s Password Now you can insert the Email User Name and the Email Password to the Sym o net via the commands above in CONTROL MODE The Sender must always consist of the SIM Card s number The Email User Name by default is the same but you can change it via Outlook to the form anyone mycosmos gr Except for Cosmote as the Sender you can type anyone even a not valid one provided that it has a valid domain name As recipients you can type as many as you wish even from different domains see note 6 above The Settings above apply for networks in Greece 15
11. any port Sending SMS to specified phone if power supply is found low Receiving RTS requests from any peripheral port or from two or all ports and serving them one by one Accepting an external GSM GPRS modem to form a complete 3 serial port GSM GPRS modem The same process can be performed via the built in internal modem if no external modem is connected Sending an encrypted email containing Stylitis 41 101 data files to a specified recepient certain times a day The Sym o net Includes Internal low power microcontroller unit with real time clock Monitoring circuitry to detect data flow and peripheral device handshake lines Built in Lithium battery to keep clock running in the absence of external power Power switch to turn the attached modem ON and OFF automatically RS232 level translators for each port for reliable communication RC IN p 2 Specifications RS232 ports flow control support None XON XOFF RTS CTS Modem to peripheral device baud rate 0 to 115200 baud no setting required Control logic baud rate fixed at 9600 baud Power supply 6 30 VDC Power Consumption at AUTO MODE 4 mA when connected 0 2 mA when idle Local device port control via 2 buttons and 4 red LEDs Control of the internal modem s power supply and registration to the network via a green LED Dimensions W x D x H 140 x 110 x 35 mm Temperature range 30 to 70 C 3 Sym o net Description Connectors 1 LEDs
12. connected to the modem MODEM and corresponding DEVICE LED steadily lit while Modem Power becomes ON in case you desire to program it from a computer COM port via a straight cable With the third press Device 2 is connected to the modem with the fourth one Device 3 is connected to the modem while with the next press the MASTER PORT opens again in CONTROL MODE and so on If a PERIPHERAL Device is on connected to the Modem you can switch to CONTROL MODE if you connect the corresponding port to a computer COM port via a straight cable and type the command as described below You can switch to AUTO MODE by pressing the AUTO button RTS MODE While in idle AUTO MODE if a Device sends an RTS request it will be served immediately The MASTER PORT and the corresponding DEVICE LEDs will be steadily lit while the modem power is ON If RTS requests are sent from other peripherals they will be remembered and served one by one after the current perpipheral is served If in any other mode and RTS requests are sent from one two or all peripherals again they will be remembered and served one by oneafter the current perpipheral is served The priority order of the peripheral devices to be served is P2 gt P3 gt P1 10 If no character is sent from the device that is served for more than 45 seconds it will switch to the next device to be served or if there are no pending RTS requests from other peripherals Sym o net switches to AUT
13. e programmed normal AUTO MODE so that the Sym o net will examine set times by pressing the AUTO button From this PDON AUTO MODE you can switch to any of the modes below to which you can also switch from the programmed AUTO MODE When you return to AUTO MODE from the modes below it will be the programmed one except for CONTROL MODE as it will be mentioned below When the CONTROL button is pressed the Sym o net enters the MANUAL MODE If an AUTO connection is in progress connected AUTO MODE it is interrupted if a client socket is open it is closed disconnected from Diameson s server When the time for an Email is reached the Sym o net enters the EMAIL MODE If an AUTO connection is in progress connected AUTO MODE it is interrupted if a client socket is open it is closed disconnected from Diameson s server While in an AUTO connection you can connect remotely to the Sym o net and send the command No character transmission for at least 1sec transmit 3 characters in short succession no character transmission for at least 1sec to enter CONTROL MODE When an RTS signal is sent to any peripheral port if it is in idle AUTO MODE the Sym o net serves it immediately RTS MODE If an AUTO connection is in progress the device sending the RTS request will be served when the corresponding set OFF time is reached While in data mode and in connected AUTO MODE there is the ext
14. e been subject to misuse neglect accident improper installation or direct lightning strikes THE WARRANTY AND REMEDIES SET FORTH ABOVE ARE IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED ORAL OR WRITTEN EITHER IN FACT OR BY OPERATION OF LAW THE SYMMETRON COMPANY SHALL HAVE NO LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND ARISING OUT OF THE SALE INSTALLATION OR USE OF ITS PRODUCTS RETURN OUTSIDE GREECE Contact Symmetron for authorization and shipping instructions SYMMETRON ELECTRONIC APPLICATIONS TEL 30 210 603 4002 FAX 30 210 603 4003 e mail symmet symmetron gr Internet http www symmetron gr Made in Greece TABLE OF CONTENTS Hs gi 9 6 1 61 8 pace ot pie A 3 a CRE A AI 3 De AS 61 0118 ROSSO A A E 4 de Opara oM PESCI IO arcieri 6 5 Diagram Of MOJeS siii A Ori LI O rn PP Pe A 12 1 Introduction The Symmetron Sym o net SR3T1 is capable of Connecting up to 3 RS232 devices to one RS232 port Connecting up to 3 RS232 devices to one GSM PSTN or GPRS modem Connecting up to 3 RS232 cables modems to one RS232 device Connecting any peripheral device to modem at programmed time At the programmed time the modem is either connected to Diameson s server GPRS GPRS mode or it can be called by a computer modem GSM data mode Connecting any peripheral device to modem via remote commands Returning the modem s Signal Strength Being programmed remotely or serially from
15. gth as per the table below Number of LEDs flashing Moden signal strength LED indication Oto 11 12 to 17 Adequate 18 to 25 26 to 31 Excellent When the signal strength is indicated the Sym o net returns to AUTO MODE If the device was previously in connected AUTO MODE it does not query the modem but indicates its signal strength at the beginning of the AUTO connection Be sure that the modem is correctly registered with the network before using this function Network registration is usually indicated via the modem s LED indicator if it is external or by the Sym o net s green MODEM LED in case the internal modem is used 4 Operation Description The Sym o net has a built in internal modem By default it operates with it with the MASTER PORT deactivated However if you connect a PC via a NULL MODEM cable to the MASTER PORT it is activated and you can send commands to the Sym o net Similarly if you connect an external modem to the MASTER PORT via a straight cable it will operate with it ignoring the internal one until you disconnect the external one During operation the Sym o net may be in the CONTROL EMAIL AUTO MANUAL or RTS MODE AUTO MODE When in AUTO MODE the default mode after boot up Sym o net examines set times of the peripherals connections and compares them to the current time If the time is not between the periods when a peripheral must be connected ie between the PDON and PDOFF times whe
16. me connects modem to one peripheral MODEM LED and peripheral LED are steadily lit Peripheral Sree Peripheral ON time matched O AUTO command HH _ _ e_ gt lt bacini command ra 5 minutes have passed 7 without a command in case of an RTS at least request via a once computer COM port command via HyperTerminal an CONTROL button once utton CONTROL button at least once CONTROL mode Sym o net accepts commands from MAIN PORT remotely or locally via a NULL MODEM cable MODEM LED is lit or from a peripheral port after the command via a straight cable MASTER PORT LED and corresponding DEVICE LED are lit MANUAL mode With the first CONTROL button press the MAIN PORT opens in CONTROL MODE Sym o net accepts commands from MASTER PORT locally via a NULL MODEM cable With the next presses a PERIPHERAL PORT opens it is connected to the MASTER PORT you can program the modem via a straight cable via HvperTerminal command if in MANUAL MODE CONTROL button has been pressed more than once one peripheral opened e No action if CONTROL button has been pressed once in MANUAL MODE sent or no data 6 Command Reference Use a general purpose terminal program like HyperTerminal to communicate with the Sym o net Set communication parameters to 9600 baud 8 bits no flow control no parity Interaction wi
17. ot be over 90 Moreover it is recommended that the mailserver and the recipient s are matched same provider in order for the email to be successfully sent Alternatively according to the SIM Card s provider you can send to recipients from different domains if you set the appropriate parameters Finally although the User Name and Password of the Email account are required only to receive emails some providers such as Cosmote in Greece require them to send emails For more details see the table below along with its notes 7 These parameters must be specified for GPRS connections GPRS mode The host computer is the computer where Diameson s server is running Moreover the appropriate settings must be done according to the provider of the modem s SIM Card Below you are shown the appropriate settings for the three main providers in Greece Setting Command Vodafone Wind Cosmote APN gint b online gr 14 Password User Name Server gr x Sender ESender ANY ANY Sim Card Number domain domain mycosmos gr name name Recipient ERecep Email XUSER Sim Card Number User mycosmos gr Name After activation Email XPAS After activation Password TABLE NOTES Not Required Therefore whatever value you have inserted will not be taken into account If you are sending emails via a COSMOTE SIM Card you have to activate your email account even if you do not wish to receive em
18. ra capability of sending a special SMS to the Sym o net This has a meaning if you have connected a Stylitis 41 or 101 datalogger to the DEVICE1 peripheral port So if you send the 1111 string via SMS to the number of the Sym o net s SIM Card it will respond with an SMS containing the datalogger s battery voltage power supply its site name its flash card status its model Stylitis 40 or Stylitis 100 and the current values of its first analog A1 and counter C1 channel The same information is sent in EMAIL MODE in the Email s body It must be noted that in order to get a response to your SMS the modem must have power ie in connected AUTO MODE in the programmed times you have set and in data mode you must type the command MODEMROLE 3 while in CONTROL MODE If the modem is OFF or the Sym o net is in GPRS mode and connected to Diameson the SMSs will not be lost but they will be pending and will be all served when the modem s power is ON in data mode That is why every time the Sym o net switches in connected AUTO MODE in data mode it checks for pending SMSs the MODEM LED is continuously flashing while the corresponding DEVICE LED of the AUTO connection to be done is flashing intermittently Until the DEVICE LED flashes continuously communication is not available CONTROL MODE The Sym o net accepts commands locally via its MASTER MAIN PORT if the CONTROL button is pressed once via a NULL MODEM cable or
19. re D 1 2 or 3 all devices are disconnected and the Sym o net consumes little power because the Modem power is OFF It compares the set times for the 3 devices against the current time The MODEM LED is flashing The DEVICE LEDs are off This is the idle AUTO MODE When a set ON time for a peripheral device is reached the Sym o net powers up and connects the modem the MASTER PORT to a peripheral device connected AUTO MODE A device can be connected to the MASTER PORT in two ways The Sym o net either opens a client socket and is connected as a client to the Diameson s server GPRS mode by simultaneously opening the corresponding peripheral port or it simply opens the port waiting to be called from another modem data mode In the first case while connecting opening the socket all the DEVICE LEDs are flashing When the connection is achieved both the MODEM and the corresponding DEVICE LED are steadily lit At the set OFF time all devices and the modem are turned off The Sym o net remains in AUTO MODE and returns to idle If the PDON command where D 1 2 or 3 and corresponds to the corresponding peripheral had been given previously while in CONTROL MODE you switch to connected AUTO MODE with the specific peripheral ON In this AUTO state the Sym o net will automatically switch to idle only when the OFF time of the specific peripheral is matched Any other peripheral set times ON or OFF will not affect it You can switch to th
20. shing while opening a socket if in GPRS mode When the socket has opened the connected peripheral s LED is ON as mentioned When the MODEM LED is continuously ON and the DEVICE 1 LED is flashing the Sym o net is in EMAIL MODE All four LEDs above are used when checking modem signal strength see below MODEM STATUS LED green on front panel This LED is used if an internal modem is used It is OFF when the internal modem power is OFF while it flashes when its power is ON When it is registered it flashes slowly Buttons CONTROL button on front panel Press it to enter MANUAL MODE e Switch the device to CONTROL MODE from the MASTER MAIN PORT Press the CONTROL button once in order for the MODEM LED to remain lit e Connect a device to the modem Press the CONTROL button as many times as you desire until both the MODEM and desired DEVICE LEDs are continuously lit 2 AUTO button on front panel e Press the AUTO button in order to set the device to AUTO MODE if it was previously in MANUAL MODE or CONTROL MODE 3 Both CONTROL and AUTO buttons e Check the modem signal strength While in any mode except for the EMAIL MODE continuously press both the CONTROL and AUTO buttons for 1 2 seconds and release both all LEDS will turn off while the Sym o net queries the modem After a while some of the LEDS will start flashing quickly The number of the LEDs flashing starting from the MODEM LED gives the approximate signal stren
21. th the Sym o net is done via its MASTER port You can directly connect a PC to the MASTER port using a null modem cable Or you can remotely communicate while in connected AUTO MODE in two ways The first way is to use a local modem connected to the PC via which you will call the Internal or External modem if you connect one to the MAIN port via a straight cable of the Sym o net if the Sym o net is in data mode command MODEMROLE 3 while in CONTROL MODE See commands below If the Sym o net is in GPRS mode MODEMROLE 1 while in CONTROL MODE See commands below you can connect via Diameson s server by opening a TCP IP connection where you must define the host computer s IP address and the Port Number which must be the same with Diameson s User Listening Port From Diameson s Options Menu COMMAND TO SWITCH FROM CONNECTED AUTO MODE OR MANUAL MODE OR RTS MODE VIA A COMPUTER COM PORT TO CONTROL MODE Enters control mode using this sequence No character transmission for at least 1sec transmit 3 characters in short succession no character transmission for at least 1sec The Sym o net responds to this command only when one of the peripherals P1 P2 P3 has opened either from connected AUTO MODE or MANUAL MODE or RTS MODE via a computer COM port All commands in the following table are only available in CONTROL MODE The Sym o net responds to commands with OK or ERROR When entering CONTROL MO
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