KDMON User Manual
Contents
1. MAX232ACSE Ui 4 E PORTI 1 O4 Qes DOEN Rs232 2 Ge Ds A D CONVERTER OI L eo j Mur PORT 2 4 ene vo BULL HIR Q 3 DTR RELAY B 5 CH OPTION Q 2 D 6 Q rmm A A is Q 1 ISOLATION E Di i i RS 485 driver control 2 10k 7 H GND POWER O SWITCHING POWER SUPPLY INPUT 8 Port 1 is RS232 and is used for the modem It also serves as a configuration port all KDMON features are configured using a supplied Windows program Port 1 is also duplicated on an RJ 11 connector A dual purpose cable usable for both a modem and the PC configuration program is supplied and it uses this connector Port 1 also carries the Relay Option This is a normally open relay contact rated at 1A 30V DC which can be closed by an alarm for a programmed period Port 2 is a composite connection for the two analog voltage and current features and for the 2 wire RS485 interface The grounds pin 6 on Port 1 and pin 4 on Port 2 should always be connected to earth even if no connections are made to the other pins of the terminal block s This is to eliminate the potential for static charge and optimise EMC compatibility Version 1 0 Page 5 KDMON User Guide 1 4 Front Panel Description 4 20mA current within limits Port 2 receiving data Port 1 transmitting data Port 1 receiving data Switch used to cancel ala2. The KDMON clips to a standard 35mm DIN rail KDMON Dimensions including terminals LI ge 29mm 97mm N 35mm symmetric DIN rail 114mm Removing unit from DIN rail Method 1 Lift base of unit upwards Method 2 Use a suitable tool to open up DIN rail clip Version 1 0 Page 24 KDMON User Guide The following illustrates a KDMON mounted alongside the Cinterion TC35 MC52i MC55i modem The modem is mounted using the optional DIN rail mounting kit Alternatively the Cinterion BGS2T modem may be used but it has a different antenna connector SMA to the MC models FME Version 1 0 Page 25 KDMON User Guide 4 Configuration The KDMON is configured for use by connecting a PC serial port to the KDMON port 1 and running the supplied KDMON configuration program KDMONCFG EXE This software provides an easy to use interface for configuring all aspects of the KDMON This includes specifying alarm trigger conditions alarm messages and configuring lists of SMS email and fax recipients who may receive alarm notifications at different times of day To connect to the KDMON use the supplied CAB 001 configuration modem cable This is shown on page 16 For PCs that do not have an RS232 port a USB to RS232 converter is available from KK Systems Ltd 41 Installing KDMON Configuration Software To install KDMONCFG EXE click on the KDMONCFG MSI file and follow the instructions provided i KDM
3. Q i Version 1 0 Page 18 KDMON User Guide For installations where the CAB 001 cable is not used the following diagram shows the alternative modem connections to the PORT 1 6 way terminal block B 6210 DATA PORT SIEMENS TC35 Nokia MC52i DLR3P MC55i Cable GSM MODEM RS232 POWER ANTENNA I IW LT LT Dep DER 4 2 35 4235 ield N or Pin 6 of the Port 1 terminal block should always be earthed even if no connection is made to pins 1 5 His EARTH 000000 e c amp R c m Shield Conned the modem to the RJ 11 OR the terminal block not both at the same time OO OOOO000 This shows the connections to both an old Nokia 6310i phone and the recommended Cinterion formerly Siemens GSM modem There are many industrial GSM modems on the market but KDMON compatibility will need to be verified by the user Some of them may have issues confined to the fax functionality but SMS may work fine or vice versa Version 1 0 Page 19 KDMON User Guide 23 Relay Option This is a normally open relay contact which can be used to switch a variety of loads It can be closed by any of the normal KDMON alarms It can be configured to open when the front panel button is pressed when a general alarm reset is received via SMS or after a configurable number of seconds 1 to 65535 In addition the r
4. Firmware Help Send Fax Setup Send SMS Setup Email Setup SMS Commands Real Time Clock ADC Relay Control Current Alarm Voltage Alarm Comms Alarms Day Time Alarm Power Up Alarm Notifications Alarm will trigger when process value P derived from voltage input is O inside the following range outside the following range View Edit Voltage Alarm Message On this page you can enable or disable the voltage alarm with the Enable Voltage Alarm checkbox Voltage and current measurements are sampled at a configurable interval see the Configuring the A to D Converter for more details When Enable Voltage Alarm is checked you can edit the minimum and maximum values of the voltage range and can choose whether the alarm should trigger when the voltage is inside or outside of the configured range Note that the voltage process value P is derived from the actual ADC voltage channel reading according to a formula which should be configured using the ADC page see Configuring the A to D Converter for more details Press the View Edit Voltage Alarm Message button to display the message that will be sent to fax or SMS recipients when this alarm is triggered see Editing Alarm Messages for more information on the format of alarm messages Version 1 0 Page 29 KDMON User Guide 4 3 2 Current Alarm Select the Current Alarm tab to configure the KDMON current alarm trigger KDMON Configuration File P
5. In these cases email notification of the power up alarm may be unreliable If enabled the power up alarm is automatically cleared once a notification message has been successfully sent to any appropriate recipients 4 3 4 Day Time Alarm Select the Day Time Alarm tab to configure the KDMON day time alarm trigger This alarm can be used to generate a notification at a particular time on any day s of the week KDMON Configuration File Port Firmware Help Send Fax Setup Send SMS Setup Email Setup SMS Commands Real Time Clock ADC Relay Control Current Alarm Voltage Alarm Comms Alarms Day Time Alarm Power Up Alarm Notifications larm will trigger on the following days at this time Mon Tue Wed Thu Fri Sat Sun At RH RER ERR sz View Edit Day Time Alarm Message You can use this alarm trigger to send periodic reports including the most recent voltage and or current measurements or values read from a Modbus slave device Version 1 0 Page 32 KDMON User Guide On this page you can enable or disable the day time alarm with the Enable Day Time Alarm checkbox When Enable Day Time Alarm is checked you can select the day s of the week and the time of day 24h clock that the alarm will trigger You can also press the View Edit Day Time Alarm Message to display the message that will be sent to fax or SMS recipients when this alarm is triggered see Editing Alarm Messages for more information on the format
6. Relay Control Ato D conversion Read voltage and current Sample interval for voltage and current 1 Seconds Noise reduction mains frequency 50 Hertz Get latest ADC reading Voltage to Process Value conversion Nominal voltage range is 33V to 33V Enter two input voltage values and the required corresponding process values Voltage V Process Value P Voltage v 0 Process value 0 Voltage v 0 Process value lo Process value P 3 000000V 1 500000 Current I Process Value Q Current to Process Value conversion Nominal current range is 0 to 22m amp Enter two input current values and the required corresponding process values Current m Process value 2000 Current m 119 Process value 10000 Process value D 1 0000001 0 000000 Version 1 0 Page 50 KDMON User Guide Sample interval for voltage and current This determines how frequently voltage and current measurements will be taken Noise reduction mains frequency At the sample interval the KDMON will read a large number of samples from the ADC channels for the period of this setting and calculate the average value For maximum elimination of mains electrical noise this period is set to 17ms for 60Hz mains and 20ms for 50Hz mains Process Values The process values P and Q may be used to represent any linear physical properties that are being measured by the voltage and current inputs of the ADC KDMON
7. and which network to use is according to the usage For very light usage especially if using just SMS a PAYG SIM will be the best choice Most UK networks will disconnect a PAYG SIM card if no chargeable event has occurred for 3 6 months and the KDMON has a configurable option to transmit an SMS every X days to keep the SIM card valid Most networks provide a web administration facility for checking and topping up the credit and in the UK Virgin and T Mobile offer the best of these with the ability to administer multiple SIM cards under one web login Note that setting up of the web administration for a particular PAYG SIM card usually involves the network sending an SMS message to it for ownership verification purposes which means the SIM card needs to be inserted into a normal GSM phone first For heavier usage and where easy administration is required a contract SIM card may be more appropriate because it avoids the need for a manual top up and can come with an allowance of e g 500 SMS messages per month free internet data etc There are also specialised contract SIM products aimed at this type of low use data only no voice industrial application which have very low monthly payments It is difficult to make recommendations on which network to use because they are very similar It is probably true that Vodafone has the technically best product with best coverage and the best performing network However most other networks
8. c v m e d or p v Allow an incoming SMS message to cause KDMON to send an email message password e email address message Note Putting an after the password in any of the above commands will cause the KDMON to send a reply to the message sender For example sending mypass x a v will trigger a voltage alarm and will respond with the resulting voltage alarm message to the sender To use this feature you must set a password KDMON will only respond to incoming SMS messages that start with this password For convenience this password is not case sensitive Version 1 0 Page 48 KDMON User Guide You can individually enable or disable any of the remote SMS command functions The final SMS command is effectively an SMS to Email gateway Note that only single messages are supported i e the incoming message must be shorter than 160 characters The SMS protocol supports chained messages but these are not supported 4 6 Setting the KDMON Real Time Clock The KDMON real time clock can be read or set by selecting the Real Time Clock tab in the KDMON configuration program KDMON Configuration File Port Firmware Help Current Alarm Voltage Alarm Comms Alarms Day Time Alarm Power Up Alarm Notifications Send Fax Setup Send SMS Setup Email Setup SMS Commands Real Time Clock ADC Relay Control Date Time Mon 28 May 2012 v I E 35 43 Get date time from PC Use the Get Date Time From KDMON b
9. can be configured to convert the voltage and current readings into the required process values For example if a flow rate sensor draws 5mA for a flow rate of 2000ml per second and 19mA for a flow rate of 10000ml per second By using these two points to calculate the linear relationship between the flow rate and the current drawn KDMON can trigger alarms and report messages using values that will have more meaning to the user than simply reporting the mA values The screenshot above relates to this example Voltage to Process Value conversion These values determine how the voltage value sampled from the ADC will be converted to the process value P that may be used to trigger the voltage alarm Enter two ADC voltage values in volts and the corresponding required values of P and press the Calculate button A coefficient and constant are calculated that will be used to calculate the value P according to the formula P mv c where v is the voltage sampled from the ADC m is the coefficient and c is the constant Note that these values will only be stored in the KDMON configuration when the Update button is pressed Current to Process Value conversion These values determine how the drawn current value sampled from the ADC will be converted to the process value Q that may be used to trigger the current alarm Enter two ADC current values in mA and the corresponding required values of Q and press the Calculate button A coefficient and constant a
10. decimal number based from zero and with the Modbus function code determining the register type For example to read Modbus holding register 40001 you would specify register 0 and function code 3 read holding registers Similarly to read Modbus input register 30099 you would specify register 98 and function code 4 read input registers Version 1 0 Page 37 KDMON User Guide In the event that the slave is unresponsive or returns a Modbus error code the KDMON will retry the request a number of times configured here If the slave still does not respond successfully a Modbus error alarm can be triggered Two alarm messages are associated with Modbus events Press the View Edit Modbus Alarm Message button to display the message that will be sent to fax or SMS recipients when the Modbus alarm is triggered Press the View Edit Modbus Error Alarm Message button to display the message that will be sent to fax or SMS recipients when a Modbus Error condition alarm is triggered See Editing Alarm Messages for more information on the format of alarm messages 4 3 9 Editing Alarm Messages Each Alarm configuration tab has a button that allows you to edit the alarm message that will be sent for this type of alarm Here you can compose edit or view the alarm message that will be sent to fax or SMS recipients in the event of an alarm Alarm Message Enter the message text for this alam notification maximum 127 characters E Flow ra
11. features as should any GSM modem with an RS232 interface The TC35 and the 6310i support fax also Traditional land line modems should mostly support fax and in some cases can transmit SMS messages via a 3rd party message centre However very few land line modems remain in production and their compatibility is variable The KDMON fax functionality has been tested with the INSYS INT 2 1 industrial land line modem http www insys icom com insys modem which works without any special KDMON configuration Satellite Phones We are currently testing various models The leading manufacturers are Thuraya and Iridium Thuraya offers a low cost but less reliable product Iridium is several times more expensive but is the choice of most professional users All satellite phones also require GPS reception and this needs to be considered when locating the phone or if using an external antenna the antenna itself The Thuraya 7100 satphone supports SMS only There are significant issues with satphone SMS in that message transfer to terrestrial GSM networks can be very slow delays up to Version 1 0 Page 11 KDMON User Guide some hours or unsupported altogether For example in the UK Thuraya has message transfer agreements with O2 Vodafone Orange and T Mobile Networks The KDMON is network independent and is not aware of which network SIM card is in the modem Both PAYG and contract SIM cards may be used The choice of PAY G contract
12. measurement will be similarly affected The input resistance of the voltage input is not infinite it is about 140k ohms This means that if the source resistance of your voltage source is e g 1 4k ohms you will get a 196 measurement error When the voltage input has nothing connected to it it floats up to 1 25V and this value is returned by KDMON alarms This incidentally enables the sensing of e g an isolated relay contact connected between the voltage input and its analogue ground by connecting the relay contact across the KDMON voltage input and setting an alarm threshold of e g 0 6V 1 6 2 Current Input This is designed for standard 4 20mA transducer transmitters The current is passed through a 47 ohm resistor and the voltage drop across this resistor is measured using the 12 bit A D converter The measurable current range is 0 to 22mA and the 12 bit A D conversion gives a resolution of 0 025 i e GuA The KDMON provides an unregulated 20V output which approximately tracks the KDMON supply voltage minus 4 volts for powering the 4 20mA transducer To use this supply connect it to the negative terminal of the transducer and connect the positive terminal of the transducer to the KDMON current measurement input Consult the wiring 1 6 3 Relay Contact This is a normally open contact which can be closed when an alarm occurs It opens after a programmed time or when the alarm is cleared The contact is isolated from th
13. of alarm messages If enabled the day time alarm is automatically cleared once a notification message has been successfully sent to any appropriate recipients 4 3 5 Comms Alarms Select the Comms Alarm tab to configure the KDMON comms alarm triggers Events occurring on the KDMON comms port port 2 can be used to trigger alarms KDMON Configuration File Port Firmware Help Send Fax Setup Send SMS Setup Email Setup SMS Commands Real Time Clock ADC Relay Control Current Alarm Voltage Alarm Comms Alarms Day Time Alarm Power Up Alarm Notifications Alarms caused by events on comms port 2 Port 2 Configuration O Enable Lost Comms Alarm Q Enable Modbus Alarm O Disable Comms Alarms Parity Baudrate 9600 Bits per word 8 Configure Alarm Settings Stop bits 1 RX Xon Xoff disabled TX Xon Xoff disabled Version 1 0 Page 33 KDMON User Guide Only one type of comms alarm may be enabled at any time This page allows you to select which type of comms alarm is enabled Lost Comms Alarm triggers when no data is received on the comms port within a configured time Received Message Alarm triggers when a message is received that matches a configured pattern Modbus Alarm triggers when a value read from a configured Modbus slave device register matches a configured value Select which comms alarm is to be enabled and then press the Configure Alarm Settings button to configure the specific settings for the chos
14. priority Unless Always Notify is set to yes notifications will only occur if higher priority notifications fail Recipient Type Alarms Days From To Always notify Alarms CVLRMEPD C Curent Mo Tuwe Th Fr Sa 07 00 V Voltage Mo Tuwe ThFr Sa 18 00 L Lost Comms Head office MoTuWeThFrSaSu 00 00 R RX Message M Modbus E Modbus Error P Power Up D Day Time Get Alarm Status Edit selected entry Create new entry Delete entry This page displays a list of notifications in order of their priority Each notification indicates a recipient for a fax or SMS message the types of alarms that the recipient should receive notification for and the days and times ranges when that notification should be used When any of the KDMON alarm types are triggered the KDMON will work through its list of notifications in order of priority to find at least one entry that is configured to receive notification of this type of alarm The priority of a notification can be changed using the move up and move down buttons Version 1 0 Page 40 KDMON User Guide Existing notifications can be modified by double clicking on the entry in the list or by selecting the notification and pressing the Edit Selected Entry button Similarly a new notification can be created by pressing the Create New Entry button and notifications can be deleted using the Delete Entry button When a suitable notification is found the recipient of t
15. values from a single Slave and trigger alarms on them This functionality is limited to 2 wire RS485 KDMON PORT 2 S RS485 5 Q Master 4O SR GND 0 an 2 Q 1 4 15O U Earthing Pin 4 is recommended for best static and noise immunity Generic RS422 485 Bus Monitoring KDMON can also act as a protocol independent comms monitor and trigger an alarm upon a specific byte sequence or a lack of bus activity This function works on 2 wire RS485 or on either half the installer has to choose of a 4 wire RS485 or RS422 system The above diagram applies except that pins 1 2 are purely inputs RS485 Bus Termination On cable runs exceeding around 300 metres two terminators should be connected as shown Each terminator should be a resistor equal in value to the characteristic impedance of the cable which for good quality data communication twisted pair cables is around 110 ohms For best results a 10nF capacitor should be in series with the resistor this eliminates the DC loading of the termination resistor Version 1 0 Page 22 KDMON User Guide RS232 Monitoring The RS4xx port is also capable of withstanding RS232 voltages in the range 12V to 12V on pin 1 as shown below The input threshold is 1 5V KDMON PORT 2 e O RS232 5 Q device 4Q GND O ean 20 1O 4 RS232 OUT Earthing Pin 4 is recommended for best static and noise immunity Version 1 0 Page 23 KDMON User Guide 3 Mounting
16. 7 1 5 Options SWith sscseccsssseressscesssseesesceessscsesnecneenscescueceesnscerscesseeneeassueranenteassess 7 1 6 KDMON Analogue Input Circuitry nennen 7 LR Voltage InpUt tier roa m tnde Her d cei 8 1 6 2 Current InpUE zs us cota or ee re re ec ee eoa ere eta n 8 1 6 3 Relay Coritact 2 eU RR Abad ede 8 1 6 4 KDMON Analog Measurement Accuracy eee 9 1 7 Power Requirements eerte tente nter 10 1 8 Choosing a Modem and a Network eene 11 1 9 ID m M 15 Ports and Connections Reference 16 2 1 RS232 Port KDMON Configuration sees 16 2 2 RS232 Port TC35 MC52i MC55i Modem Connections 18 2 3 Relay Option tere once aaiae aaa deae 20 24 Monitoring Port Port 2 scssscssssssssssssssesesssesesssesesssssesssenesssenessseneeneeteaesates 20 2 5 Monitoring Port RS485 Connections eee 22 MOUNTING smt 24 Configufatlonh in erii etta ia ig haa 26 4 1 Installing KDMON Configuration Software eee 26 42 Using KDMON Configuration Software eee 26 4 3 Configuring Alarm Triggers nennen 27 43 1 Voltage Alam editiert RC RU ERR RC 28 5 753 2 3 CIE Ee 30 43 3 Power up Alarm EEN 31 4 3 4 Day TIM Alarms uot
17. KDMON User Manual Copyright 2004 2013 KK Systems Ltd No reproduction of any part of this document in any form is allowed without prior written permission from KKSystems Ltd All other copyrights and trademarks acknowledged Extract from Conditions of Sale Any electronic device or system can fail possibly resulting in the loss of valuable programs or data It is your responsibility to ensure that all such valuable material is backed up at all times We are not liable for any direct indirect or consequential loss caused directly or indirectly through the use of this product All our software is sold on an as is basis without a warranty of any kind We do not claim that this product is suitable for all potential applications It is your responsibility to verify that the product works in its intended application In the interest of progress we reserve the right to alter prices and specifications without prior notice Safety Warning The KDMON is not authorised for use in any situation where injury or death could result from its failure No interface should be connected to a dangerous potential Contents 1 KDMON Bel 1 1 1 Quick Start Guide eee ttnnte ttes tentent 2 1 2 KDMON Operation Flow Chart eene 3 1 3 Block de CT H 14 Front Panel Description eerte ntes 6 141 Resetting Alarms ee e i en 6 14 2 Checking GSM signal strengt AAA
18. ON Configuration Setup Welcome to KDMON Configuration Setup Wizard The Setup Wizard will install KDMON Configuration on your computer Click Next to continue or Cancel to exit the Setup Wizard Cancel 42 Using KDMON Configuration Software With the KDMON connected to the PC serial port and powered up start the KDMON Configuration program from the shortcut in the Window Start menu You should see the following Version 1 0 Page 26 KDMON User Guide Reading configuration from KDMON Reading configuration from KDMON on COM3 v COM3 waiting HHH Select the PC port that the KDMON is connected to or press Demo to explore the program without actually having the KDMON connected It is recommended that KDMONCFG is started during the first minute after KDMON is powered up This is because KDMON uses the same RS232 port port 1 to communicate with the modem and it does so periodically and is not checking for DMONCFG commands during those times During the first minute following power up KDMON does not do any modem comms Do not press the front panel button prior to or during configuration 43 Configuring Alarm Triggers The KDMON can be configured to trigger alarms due to any of the following events occurring Voltage If the voltage measured by the analog digital converter ADC goes inside or outside of the configured range Current If the current drawn by the ADC is inside or outside of the config
19. and approximately tracks the KDMON supply voltage minus 4V This output is intended to work with a 24V power input to the KDMON Finally if the modem is powered from the same power unit its requirements need to be considered too The Cinterion modem requires 8 30V DC The manufacturer does not publish a full specification of the power requirements merely recommending a minimum 1A source adding that the actual current is 200mA at 12V or 100mA at 24V The combination of the above means that the most useful power unit will be 24V and rated at 1 3A or higher Version 1 0 Page 10 KDMON User Guide 1 8 Choosing a Modem and a Network Modems The KDMON has been designed for maximum compatibility with a standard spec GSM industrial modem which is why there is no modem type configuration option The SMS and fax functions should work with most GSM modems mobile phones and satellite phones with an RS232 interface However KDMON s email functionality requires nonstandard command set extensions in the modem and only the Cinterion formerly Siemens MC52i dual band and MC55i and BGS2T quad band industrial models are supported The email function uses GPRS Full KDMON operation SMS fax email is guaranteed only with the two above Cinterion modem types Other modems tested are the widely used Siemens Cinterion TC35 the Nokia 6310i phone with a DLRP3 cable and the Thuraya Hughes 7100 satellite phone These devices all support SMS
20. apid blinks followed by a longer pause this indicates that a hardware fault has been detected by the KDMON power up test firmware This fault requires a return to the factory KDMONCFG unable to connect Check the COM port is correct If using a USB to RS232 converter look in Control Panel Devices COM amp LPT Ports to see what COM port number has been allocated This problem will appear occassionally because the KDMON uses the RS232 port for periodic modem comms and checks for KDMONCFG commands only in between these However it does not do modem comms during the first minute after power up and this is therefore the best time to start up KDMONCFG SMS notifications not working Check there is a GSM signal A quick press of the button causes the ALARM LED to blink 1 6 times and this indicates the signal strength At least 1 blink level 1 is required for SMS to work Level 1 is marginal however and level 2 is strongly preferred Check that the SIM card works in a normal GSM phone Email notifications not working Check there is a good GSM signal see above of at least level 2 Check that the SIM card works for an internet web or email function in a mobile phone Version 1 0 Page 54 KDMON User Guide Check the APN is correct for that particular SIM card contact the network provider and ask what APN should be used with a SIM card on that particular mobile number Check the SMTP server is correctly configured and test it from an
21. ation program An external RS232 attached modem is required The modem type depends on the type of notification configured SMS transmission requires a GSM modem which can be an industrial GSM model e g Siemens TC35 Cinterion MC52i MC55i BGS2T or a data capable GSM or satellite phone which supports the GSM Hayes command set SMS provides additional features which are not available via email or fax e Triggering of simulated alarms and resetting of alarms e Setting KDMON real time clock e SMS to email gateway for system testing Email transmission requires a specific modem Cinterion MC52i MC55i or BGS2T This is an industrial GSM modem with GPRS capability and an internal TCP IP stack and which can optionally be DIN rail mounted Fax transmission requires a modem which supports Class 1 or Class 2 fax not Class 2 0 We recommend the Cinterion GSM models Not all GSM networks support fax however for example in the UK 2011 only Vodafone and Virgin support it Version 1 0 Page 1 KDMON User Guide LI Quick Start Guide e Unpack the unit and check you have the following items KDMON CAB 001 configuration cable DB9 DB9 null modem adaptor If you have ordered the modem this should be included in the package also e Connect up the KDMON to a Windows computer for configuration as shown on page 16 e Refer to the configuration section on page 26 and set up the required alarms e Install the KDMON with the modem as pe
22. ation to the appropriate on duty employee fail lower priority notifications can be added to ensure that either of the employees will still receive an emergency message during their off duty hours 4 4 2 Fax Setup Select the Send Fax Setup tab to configure the KDMON for sending faxes KDMON Configuration File Port Firmware Help Current Alarm Voltage Alarm Comms Alarms Day Time Alarm Power Up Alarm Notifications Send Fax Setup Send SMS Setup Email Setup SMS Commands Real Time Clock ADC Relay Control Fax header message up to 200 characters Please deliver this fax to the systems maintenance engineer Outgoing Les ID 01270 1234567 Fax class Auto detect If fax send fails retry 3 times If busy delay for 15 seconds This page allows a Fax Header Message to be entered for example to indicate where the fax should be delivered and where it is from This message will appear on the resulting fax before the alarm message that is configured for the particular alarm that has triggered The Outgoing Fax ID is normally the number that the fax is being sent from Some fax machines display or log this ID when a fax is received However this number will not Version 1 0 Page 44 KDMON User Guide normally appear on the received fax unless the receiving fax machine is configured to print it The Fax Class should normally be set to Auto Detect However some fax modems may be more reliable if when using specific
23. d to generate a notification whenever the KDMON power is cycled for example in the event of a momentary power outage KDMON Configuration File Port Firmware Help Send Fax Setup Send SMS Setup Email Setup SMS Commands Real Time Clock ADC Relay Control Current Alarm Voltage Alarm Comms Alarms Day Time Alarm Power Up Alarm Notifications View Edit Power Up Alarm Message On this page you can enable or disable the day time alarm with the Enable Power Up Alarm checkbox When Enable Power Up Alarm is checked you can press the View Edit Power Up Alarm Message to display the message that will be sent to fax or SMS recipients when this alarm is triggered see Editing Alarm Messages for more information on the format of alarm messages At the moment that the power up alarm is generated some peripheral information may not be available to the KDMON and the GSM signal strength G may be incorrectly reported To ensure that the modem is likely to be in a suitable state to send the notification of the power up alarm as the modem is also likely to have been power cycled the KDMON Version 1 0 Page 31 KDMON User Guide delays the first notification attempt of this alarm until 60 seconds have elapsed since power up This delay allows sufficient time for the modem to register with most networks in order to be ready to send an SMS message some networks however may require more time before they are able to send email
24. e ote or tees 32 43 5 Comms Alarms eee reto eio e dete deb diet 33 4 3 6 Lost Commis Alarm reete ont eet 34 4 3 7 Received RX Message Alarm 35 4 3 8 Modbus Alariri zo cte ete eat tna linn ote 36 4 3 9 Editing Alarm Messages AEN 38 4 3 10 Resetting Alarms 39 44 Configuring Alarm Notifications ener 40 44 1 Adding Editing Notifications and Recpients AE 42 44 2 Fax Setup EEN 44 44 3 SMS Gen nente tete nennen nennen 45 444 Email Setup 46 4 5 Sending Messages to KDMON eene nnns 48 4 6 Setting the KDMON Real Time Clock enne 49 47 Configuring the A to D Converter senes 50 4 8 Configuring the Relay Operation nennen 52 TROUBDIESNOOUNG o he eite tSt rper sedes 54 KDMON User Guide 1 KDMON Overview The KDMON is a system monitoring device which can monitor analog voltage 30V to 30V analog current 4 20mA a 20V sensor supply is provided the presence absence of data on an RS485 bus the contents of registers in an RS485 MODBUS Slave device an external relay contact uses the analog voltage input It can be configured to generate alarms based on the above which are notified by e SMS text message e Email SMTP e Fax Group 3 A wide range of alarm conditions and notification options can be configured via an RS232 configuration port using a Windows based configur
25. e rest of the KDMON The isolation is not production tested but will withstand 100V DC peak See the Specification section for the rating of the contact itself Version 1 0 Page 8 KDMON User Guide 1 6 4 KDMON Analog Measurement Accuracy We specify the voltage current measurement accuracy at 196 of full scale over the specified temperature range The actual factory calibration procedure is done at room temperature to around 0 05 Version 1 0 Page 9 KDMON User Guide 1 7 Power Requirements The power supply specification depends on the mode of operation The KDMON power input is 11 35V DC 2 watts max The constant power nature of the internal power circuitry means that at a higher supply voltage it will draw less current The following diagram shows the relationship 260 240 20 200 180 160 The peak current which occurs around 4V 140 can reach 600mA 120 Input must reach the startup voltage 100 typ 4V guaranteed 7V in less than 1 second 80 otherwise the power supply will not start up 60 40 20 0 Inout Current mA 0 2 4 6 8 10 12 14 16 18 20 20 24 26 28 30 32 34 36 Input Voltage V This means that a power unit needs to be rated at 300mA to handle the startup current even though the KDMON will draw much less at say 24V However the 20V output provided for powering a 4 20mA analog sensor is not regulated
26. elay contact is directly controllable with SMS commands If switching an inductive load e g the coil of a larger relay a snubber suppressor should be connected across the load to absorb the arcing The closure of the relay contact is inhibited with hardware for approximately 5 seconds following KDMON power up 24 Monitoring Port Port 2 The following diagram shows all three monitoring functions 4 20mA voltage measurement and Modbus RTU device polling KDMON can operate all three concurrently Thermocouple Transmitter with a 4 20mA Interface RJ 11 e TC PORT 2 4 20mA s Om 5 O E 7m Voltage Measurement Input 30V to 30V OO 000000 i ses Temperature Controller with a 2 wire RS485 Interface and for best electrostatic and EMC performance MODBUS RTU Protocol Pin 4 of the Port 2 terminal block should be earthed Version 1 0 Page 20 KDMON User Guide Important KDMON isolation is between Port 1 Port 2 and the power input The various features on Port 2 are NOT isolated from each other and they share a common ground pin 4 Version 1 0 Page 21 KDMON User Guide 2 5 Monitoring Port RS485 Connections The 2 wire RS485 interface on Port 2 comprises of the standard 3 wires A B and Ground which are on pins 1 2 and 4 respectively Modbus Device Monitoring KDMON can act as a Modbus RTU Master as shown in the diagram on the preceeding page and can read
27. ellular phone service provider s SMS centre Caution Entering a phone number here will overwrite any existing SMS service centre number stored by the SMS modem or phone SIM card If in any doubt leave this field blank to use the existing value SMS retries This field determines how many times the KDMON should retry sending an SMS message to a particular notification in the event of failure After this number of attempts the KDMON will move on to the next matching notification in its list Periodic SMS Message This feature is provided in order to keep most Pay As You Go SIM cards from expiring Most cards expire if an outgoing message or call is not made within a given time period usually 3 or 6 months If you enable this feature you can configure a message to be sent to a given number every n months at a particular date and time It is acceptable for the KDMON to send the message to its own number as this will create the required chargeable event and the KDMON discards any unrecognised received messages 4 4 4 Email Setup Select the Send Email Setup tab to configure the KDMON for sending email Version 1 0 Page 46 KDMON User Guide KDMON Configuration File Port Firmware Help Current Alarm Voltage Alarm Comms Alarms Day Time Alarm Power Up Alarm Notifications Send Fax Setup Send SMS Setup Email Setup SMS Commands Real Time Clock ADC Relay Control Access Point Enter the access point details for your cellular service
28. en alarm type This page also allows the KDMON comms port port 2 communication parameters to be configured Baud rate values 30 37 5 50 75 100 110 134 5 150 300 600 1200 2000 2400 3600 4800 7200 9600 19200 38400 57600 115200 Bits word values are 7 or 8 Parity may be none even or odd Stop Bits may be 1 or 2 RX and TX Xon Xoff receive and transmit sofware flow control may both be enabled or disabled 4 3 6 Lost Comms Alarm This alarm triggers when no incoming data has been received on the KDMON comms port for the amount of time specified This value must be in the range 1 to 65535 seconds Note that for lost comms to be detected correctly the Port 2 communication parameters baud rate bits word parity must be configured correctly Version 1 0 Page 34 KDMON User Guide Lost Comms Alarm Alarm will trigger if no input data is received within E seconds View Edit Lost Comms Message Return to Comms amp larms Page Press the View Edit Lost Comms Message button to display the message that will be sent to fax or SMS recipients when this alarm is triggered see Editing Alarm Messages for more information on the format of alarm messages 4 3 7 Received RX Message Alarm This alarm triggers when a message is received that starts with a particular sequence of of up to 10 bytes Version 1 0 Page 35 KDMON User Guide RX Message Alarm Alarm will trigger if a
29. essage Error Up Time v F1 oO After relay contact is closed O Leave relay contact closed until alarms are reset Leave relay contact closed for a pre defined period of 180 seconds Reset all alarms when this period ends Note that this may cause alarms that are pending notification to be cancelled V Open relay contact when alarms are reset via KDMON front panel button v Open relay contact when alarms are reset via an SMS command The KDMON relay can be configured to be closed whenever any of the KDMON alarms are triggered This feature can be used in conjunction with the SMS a command see section 4 5 Sending Messages to KDMON in order to provide a remote SMS message controlled relay by forcing one of the KDMON alarm types to trigger As any of the alarm types may be chosen for this virtual alarm you may want to choose an alarm type that is not already being used to monitor and generate notifications from a physical input unless you require the configured recipients to be notified when the relay has been remotely triggered in this manner Once the relay contact has been closed there are a number of options that control when and how it will be opened These options allow the relay to be left closed until the alarm condition is reset either by pressing the KDMON front panel button or by sending an SMS reset message Version 1 0 Page 52 KDMON User Guide Additional
30. exceeded Start with first recipient in list Should this recipient receive this Notes 1 A recipient will be sent an alarm message if the following conditions are met The recipient is set to receive this alarm type AND The recipient is set to always be notified OR the alarm message has not been successfully sent to any prior recipients in the list AND The current day and time is within the range set for this recipient 2 For fax and email there is a configurable delay between retry attempts see the Send Fax Setup page for details Move to next recipient in the list alarm 1 Has sufficient time elapsed since last attempt Yes Attempt to send message by email SMS or fax No Yes No Return to main v Move to next recipient in the list Was alarm sent successfully o any recipient No Yes End of recipients list reached Yes v v Return to first recipient in list Suppress alarm loop Version 1 0 Page 4 KDMON User Guide 1 3 Block Diagram Options Switch Data Flow Indicator LEDs 4 200K 2RX pd DTR PORT1GND TX A A Real Time Clock r 1RX ALARM A RJ 11 battery backup sokari
31. fax class KDMON supports both fax classes 1 and 2 but not the little used class 2 0 If fax send fails retry this setting determines how many times the KDMON will attempt to send the fax to each notification before moving on to the next notification in the list If busy delay for this setting allows KDMON to wait for a number of seconds before retrying should the fax modem indicate that the line is busy 4 4 3 SMS Setup Select the Send SMS Setup tab to configure the KDMON for sending faxes KDMON Configuration File Port Firmware Help Current Alarm Voltage Alarm Comms Alarms Day Time Alarm Power Up Alarm Notifications Send Fax Setup Send SMS Setup Email Setup SMS Commands Real Time Clock ADC Relay Control SMS Service Centre Number This should be the full international number of your service provider s SMS centre For example 447802092035 Caution Specifying this value will overwrite your SMS modem or phone s existing value Leave this field blank to use the existing value SMS Retries If SMS send fails rety 3 times Periodic SMS Message This feature is provided in order to ensure that certain Pay As You Talk SIM cards do not expire v Send an SMS message every 3 months on day 1 E at 11 00 sl Phone number to send messsage to 07762 123456 Version 1 0 Page 45 KDMON User Guide SMS service centre number This is the full international number starting with a for your c
32. ge size of 128 characters is enforced again after any variable fields have been expanded This can result in truncation of messages actually received 4 3 10 Resetting Alarms Once a current voltage or comms alarm has been triggered that type of alarm cannot trigger again until it has been reset This is to prevent an alarm condition causing endless notification messages to be sent Alarms can be reset by momentarily pressing the button on the KDMON front panel do not hold this button down for more than a second as this will reset the KDMON Alternatively alarms can be reset remotely by sending an SMS command message to an SMS capable modem or phone connected to the KDMON config modem port When any alarms are triggered the Alarm LED on the KDMON front panel will be on Version 1 0 Page 39 KDMON User Guide The power up alarm and day time alarm automatically reset themselves once they have successfully sent a notification message 44 Configuring Alarm Notifications When an alarm event occurs one or more recipients will receive a notification message by fax email or SMS Alarm notifications are configured by selecting the Notifications tab KDMON Configuration File Port Firmware Help Send Fax Setup Send SMS Setup Email Setup SMS Commands Real Time Clock ADC Relay Control Current Alarm Voltage Alarm Comms Alarms Day Time Alarm Power Up Alarm Notifications Alarms will cause notifications to occur in the following order of
33. hat notification will be sent either an SMS message and email or a fax depending on how the recipient is configured Once a fax or SMS has been successfully sent the KDMON will continue through the list of notifications looking for any other notifications that match are configured to receive this alarm If any of these notifications have the always notify setting enabled they will also be sent a fax or SMS message Once a message has been successfully sent lower priority notifications will not be used to send an alarm message unless they have the always notify setting enabled Should an attempt to send an SMS email or a fax a recipient fail after a number of retries the KDMON will continue through the list of notifications looking for the next match If the KDMON gets to the end of its list of notifications without having successfully sent a message it restarts from the beginning of the list and this is repeated indefinitely The number of retries for SMS email and fax messages is configured on the SMS setup Email Setup and Fax Setup pages respectively See the Version 1 0 Page 41 KDMON User Guide KDMON Operation Flow Chart for more details of the notification logic Pressing the Get Alarm Status button will read the current state of alarms from the KDMON Any alarms that are triggered will be shown in red in the list of alarms shown above the button 4 4 1 Adding Editing Notifications and Recipients A notification ind
34. icates which recipient will receive a message in the event of an alarm which alarm types should be sent to this recipient and on which days and times this recipient should receive these messages A recipient comprises a name a phone number and indicates whether the number is for fax or SMS Add a new notification entry by pressing the Create new entry button on the Notifications page When adding a notification you first add a recipient by entering an appropriate name for example Fred Smith Mobile or Head Office Fax and the phone number Select the type of recipient fax or SMS Alternatively you can select an existing recipient from the drop down list and double click on it or press the Edit Selected Entry button to display it Version 1 0 Page 42 KDMON User Guide Edit notification Recipients Recipient name Harry v Add New Recipient Phone Fax number S EE hany smith company com OFax OSMS G Email Availability Mon Tue Wed Thu Fr Sat Sun From To Always oO 1800 07 00 o Alarms Current Voltage Comms FRX Modbus Modbus Power Date Lost Message Error Up Time I jd jd ad Priority Notify only if higher priority notifications fail O Always notify Note that for SMS numbers a t should be used to introduce an international number whereas for fax the appropriate numeric prefix should be used The Availability section determines when this notification will be used Select
35. itwise AND result with 8000H Specify a 16 bit value in hex or decimal Examples 65535 Oxffff FFFFh Alarm will trigger if result of AND operation is non zero C When alarm triggers read and report register number with function 03 multiply value by floating point value OR v When alarm triggers read and report as a single floating point value two consecutive registers starting with register 10 wihfuncion 03 e C Enable Modbus error alarm if register cannot be read after i attempts View Edit Modbus Alarm Message Return to Comms Alarm Page The value received from the slave is then masked using a logical AND operation with the 16 bit value configured on this page If the result is non zero then the alarm triggers When the alarm triggers KDMON will perform an additional Modbus slave register read and will save the resulting value which can be reported as part of the alarm message This additional register read can be performed in one of two ways e A single 16 bit register value will be read which will then be multplied by a floating point value configured here OR e Two consecutive 16 bit values will be read to form a 32 bit floating point value Note that there is often confusion over Modbus register numbering with some manufacturers using the older Modicon 4xxxx notation and others using register numbers based from 1 The Modbus register numbers used with KDMON should be specified as a
36. ly the relay can be automatically re opened after a pre defined time period has elapsed For example a temperature sensor could be employed to trigger a current alarm which in turn could be used to close the relay to drive a cooling fan for a pre defined period At the end of this pre defined period the Reset all alarms when this period ends option allows for the KDMON alarms to be reset in order that they may re trigger when the trigger condition reocurrs Note that if the trigger condition is still present when the alarms are reset the alarm may immediately re trigger and close the relay again The Reset all alarms when this period ends option should be used with caution if the KDMON is configured to send notification messages via SMS email or fax In this case if the pre defined relay close period is less than a few minutes resetting the alarms may cause any pending notifications to be cancelled Version 1 0 Page 53 KDMON User Guide 5 Troubleshooting KDMON Power Up Problems With a 24V power input there should be an output of approximately 20 21V between pin 4 and pin 6 of the 6 way Port 2 terminal block Pin 4 is the positive terminal in this case The KDMON internal power supply will fail to start if the supply voltage rises from zero to the internal power supply startup voltage approximately 4V very slowly See the Power Requirements section for details If after power up the ALARM LED enters a repeating pattern n r
37. mV typ differential Hysteresis 70mV typ 30V to 30V Input Z 100kO min Source Z 1000 max for best accuracy Measurement accuracy 1 Absolute maximum input 60V to 60V 4mA to 20mA Sensing resistance 47Q Measurement accuracy 1 Absolute maximum current 50mA Within 17V to 23V with a 24V DC KDMON power input Current limited at 30mA typ short circuit protected 1 minute 3 way isolated Port 1 Port 2 Power In 64V PK tested at gt 1000V AC RMS 1 second All Port 2 features share a common ground pin 4 1A at 30V DC or 0 3A at 125V AC Isolated from KDMON to 64V PK isolation is not production tested Operating temperature 20C to 50C Storage temperature 25C to 70C Relative humidity 0 to 90 non condensing Rail mounted KDMON must have a 50mm gap above and below Emissions EN50081 2 94 Immunity EN50082 2 95 29mm W x 114mm H x 97mm L approx in rail mounted position incl screw terminals Page 15 KDMON User Guide 2 Ports and Connections Reference 2 1 RS232 Port KDMON Configuration Port 1 has two functions KDMON configuration and the modem connection Port 1 is duplicated on the 6 way Port 1 terminal block and on the RJ 11 connector Only one of these two connectors may have connections to it at any one time The supplied CAB 001 cable can be used for both configuration and modem connection For convenience it plugs into the RJ 11 connector The connection to a standard 9
38. message starting with the following bytes is received 00 00 00 06 O Decima Hex Up to 10 bytes are allowed Use to match any value Examples 253 234 31 23 126 234 12 24 decimal 01 FA 23 34 FF AD hex Start of message is preceded by atleast 100 milliseconds of silence View Edit RX Alarm Message Return to Comms Alarm Page You can configure a byte sequence pattern here using either hexadecimal or decimal numbers for the byte values select Decimal or Hex first A can be used in your pattern to match any incoming single byte value The message start or end of the previous message is determined by a period of silence no incoming data You should configure this period in milliseconds depending on the equipment that will be sending these messages Press the View Edit RX Alarm Message button to display the message that will be sent to fax or SMS recipients when this alarm is triggered see Editing Alarm Messages for more information on the format of alarm messages 4 3 8 Modbus Alarm Enabling this alarm causes the KDMON acting as a Modbus master to poll a Modbus slave device connected to the KDMON comms port and read a 16 bit value from a specified Modbus register using the specified Modbus function code to determine the register type Version 1 0 Page 36 KDMON User Guide Modbus Alarm E s function 03 E from slave address 1 7 every 30 7 seconds Read register number 4 B
39. offer better pricing and other important features At time of writing Virgin and T Mobile offer good web facilities for administering multiple PAYG SIM cards under a single web login Some networks SIM cards are sold with data disabled by default and will not work for email until data is enabled Version 1 0 Page 12 KDMON User Guide UK Networks The KDMON has been tested with PAYG SIM cards from the main UK networks with the following results Network SMS Email Fax APN SMTP provided username by network password Vodafone Y Y Y pp vodafone co uk No web web Orange Y Y N orangeinternet No user pass T Mobile Y Y N general t mobile uk smtp t email co uk user wap Virgin Y Y Y goto virginmobile uk No User blank 02 Y Y N mobile o2 co uk smtp o2 co uk mobileweb password If the network provides an SMTP server as shown above the username and password are usually blank This is a useful website for the network configuration information http www filesaveas com gprs html For the latest network configuration information or for configuration of contract SIM cards please contact the network APN Neither the KDMON nor the Cinterion modems support the auto APN protocol so you need to obtain the APN from the network provider and configure it in the KDMON The auto APN protocol is in any case not 100 reliable Version 1 0 Page 13 KDMON User Guide Reliabilit
40. ort Firmware Help Send Fax Setup Send SMS Setup Email Setup SMS Commands Real Time Clock ADC Relay Control Current Alarm Voltage Alarm Comms Alarms Day Time Alarm Power Up Alarm Notifications Alarm will trigger when process value Q derived from 4 20m4 input is max Q inside the following range k 155 outside the following range View Edit Current Alarm Message On this page you can enable or disable the voltage alarm with the Enable Current Alarm checkbox Voltage and current measurements are sampled at a configurable interval see the Configuring the A to D Converter for more details When Enable Current Alarm is checked you can edit the minimum and maximum values of thecurrent range and can choose whether the alarm should trigger when the current is inside or outside of the configured range Note that the current process value Q is derived from the actual ADC voltage channel reading according to a formula which should be configured using the ADC page see Configuring the A to D Converter for more details Press the View Edit Current Alarm Message to display the message that will be sent to fax or SMS recipients when this alarm is triggered see Editing Alarm Messages for more information on the format of alarm messages Version 1 0 Page 30 KDMON User Guide 4 3 3 Power up Alarm Select the Power Up Alarm tab to configure the KDMON power up alarm trigger This alarm can be use
41. other device If it is the mobile network s SMTP server it may require the From address to be a specific value for the network to accept the email for transmission In cases which are very rare in Europe there may be a GSM signal but no GPRS support The Cinterion modems do not support data where 3G is available but GPRS is not Fax notifications not working Check there is a good GSM signal see above of at least level 3 Most networks do not support fax In the UK only Vodafone and Virgin do 6 2011 Modbus Alarm Notification problems Check for the standard RS485 issues i e A B signal swap The serial comms parameters also need to be correctly set For optimum noise immunity the KDMON comms ground pin 4 on Port 2 needs to be connected to the comms ground terminal on the MODBUS device Port 2 is isolated from Port 1 and from the power supply so there is no risk of creating ground loops provided that the other Port 2 functions voltage and current are not separately grounded Ensure that you have configured the Modbus register and read function used to trigger the alarm correctly Different Modbus equipment manufacturers may use different conventions for Modbus register numbering see section 4 3 8 for more details KK Systems Ltd Tates London Road Pyecombe Brighton BN45 7ED Great Britain www kksystems com Version 1 0 Page 55
42. provider Access Point APN Username Password mobile o2 co uk mobileweb password Email Server Enter the details of the SMTP email server used for sending emails If a usemame password is provided then SMTP authentication will be used SMTP Server Username Password smlp o2 co uk FROM Address kdmon company co uk Email Subject Message from KDMON Sending email requires the use of a specific modem Cinterion MC52i or MC55i Access Point This determines how the modem should connect to the Internet These details APN username and password are specific to each cellular service provider but will typically be the same for all users of the same network although may be different for contract and PAYG services Email Server Here you should enter the details of the email SMTP gateway that you want to use to send email This may be a service provided by your cellular service provider Internet service provider or may be your own corporate email server Typically if it is not provided as part of the cellular service you will need to provide a valid username and password for SMTP authentication From address This is the email address that you want the email from KDMON to appear to be from Note that some Internet service providers BT for example will only allow email to be sent using their SMTP servers if the email has a from addresses that they have provided or that has been configured for use
43. r the wiring diagram on page 18 Version 1 0 Page 2 KDMON User Guide 1 2 KDMON Operation Flow Chart Initialisation Check for Read and delete gt gt command from PC any existing SMS interface messages from modem Y Check for incoming SMS Trigger power up EE alarm d Read ADC When checking each type of alarm if that alarm type is already triggered but has not been successfully notified another attempt is made to send the alarm notification Check mA Notes 1 The power up alarm notification is Check volts only attempted after KDMON has been powered for more than 1 minute This is in order to ensure that the modem has sufficient time to initialise 2 Depending on which comms alarm type is in use this may involve sending one or more Modbus requests to the slave device s to read registers values Check date time alarm 8 The power up alarm and date time alarm automatically cancel once notification succeeds All other Nose alarms must be manually Send periodic on SE cancelled using the front panel SMS if period pag button or an SMS command elapsed Version 1 0 Page 3 KDMON User Guide Notify Alarm v Turn alarm LED on Is this alarm suppressed Yes Already started notifying this alarm Attempts for current recipient
44. re calculated that will be used to calculate the value Q according to the formula Q mi c where i is the current sampled from the ADC m is the coefficient and c is the constant Note that these values will only be stored in the KDMON configuration when the Update button is pressed Press the Get latest ADC reading to read the most recent voltage and current values from the KDMON and to show the resulting process values as calculated by KDMON Note that if Update has not yet been pressed the resulting process values may not be calculated using the conversion values currently shown on this page Note that the Get latest ADC reading function may report No response from KDMON if the KDMON is busy trying to perform a fax email or SMS operation Either wait a few seconds or reset the alarms by pressing the button on the KDMON front panel before trying again Version 1 0 Page 51 KDMON User Guide 48 Configuring the Relay Operation The KDMON relay option may be configured by selecting the Relay Control tab KDMON Configuration File Port Firmware Help Current Alarm Voltage Alarm Comms Alarms Day Time Alarm Power Up Alarm Notifications Send Fax Setup Send SMS Setup Email Setup SMS Commands Real Time Clock ADC Relay Control Which alarms should close the relay contact The KDMON relay contact is normally open but may be closed when any of the following alarms are triggered Current Voltage Comms AX Modbus Modbus Power Date Lost M
45. rm Alam condition Power ON eo this LED has other functions also SYSTEM MONITOR The front panel functions are mostly self explanatory The 4 20 OK LED illuminates when the current drawn by the 4 20mA analog sensor is within those limits This LED also indicates A D converter activity this takes place approximately every second Only the general continuous state of this LED indicates whether the 4 20mA current is within its limits 1 4 1 Resetting Alarms If any alarms are triggered this will be indicated by the Alarm LED being on A momentary press of the front panel push button will reset all alarms and will switch off the Alarm LED Avoid holding this button for more than a second as this will reset the KDMON Holding the button for 3 or more seconds will put the KDMON into a special mode that suspends normal operation indicated by the alarm LED flashing continuously If this occurs the KDMON will need to be power cycled in to restart it normal mode Version 1 0 Page 6 KDMON User Guide 1 4 2 Checking GSM signal strength The front panel push button also used to cancel alarms can be pressed momentarily when no alarm is triggered in order to request and indicate the current GSM signal strength from the modem where the modem supports this feaure The signal strength is reported by flashing the alarm LED between 0 and 6 times where 0 indicates no signal 1 flash indicates very low signal and 6 indica
46. te of 0 litres sec is outside range The following format characters are accepted ZE Current m D Date and time 2M Voltage Volts ZH RX message ZP Voltage input P ZM Modbus register value Q Current input PY ZG GSM signal strength 755 KDMON serial number Cancel Each alarm type has its own unique message of up to 128 characters The alarm message can include the most recent voltage or current measurement from the KDMON ADC the date and time read from the KDMON real time clock the value of the last received message on the comms port or a value read from a Modbus slave device register Version 1 0 Page 38 KDMON User Guide Use the following special format characters in your message to achieve this D Date and Time V Voltage V C Current mA P Voltage Process Value Q Current Process Value R Received Message M Value read from Modbus slave device register S KDMON serial number G GSM signal strength For example KDMON D Voltage has exceeded range V will send a message like this KDMON Fri 19 12 03 20 06 17 Voltage has exceeded range 17 456V Note that the voltage and current measurements will be sampled typically at 1 second intervals even if the voltage and current alarms are disabled These values can therefore be reported from any alarm message The message entry window in KDMONCFG limits the number of characters to 128 However the maximum messa
47. tes maximum signal strength 1 5 Options Switch Options Switch Bellelblle wi 2 3 4 This switch is currently unused 1 6 KDMON Analogue Input Circuitry 2 5 Zout 100R AN SY cae 2u2 16V RES h IC14A ak7 TLC252c0 ZLL 4 CHL i 3 41 RS9 2u2 LEM ver HS 34 H iki A CHA R54 SHO E 1 RSS 3 10k CH2 2 4k CH3 CHA R RES SELS 100K Rea cHe 2 EP SA VIN 33 cH 8 z BE 39k comt Re ES cas IC14B mm C46 10k ES CAS ion TLC252cD 100m Idan 1 GND pS I LS4148 ca c44 RES DECH 47R 0 15 15pem RSS Buz 16v EST L 3 HB BN 10k IIN O 22mA The KDMON has two analogue inputs voltage and current An understanding of the internal implementation of these is not usually necessary but may be useful in some applications Version 1 0 Page 7 KDMON User Guide 1 6 1 Voltage Input There are three particular aspects to be aware of The A D converter has a finite resolution of 12 bits 1 part in 4096 or 0 025 The voltage input range is 33V to 33V If the voltage range you are measuring covers this range you will get the full 0 02596 resolution If however you are measuring a much smaller voltage range e g just 0 to 1V then the resolution will drop to 1 6 The absolute accuracy of the
48. the days of the week and a time range Time ranges can be up to 24 hours This means that a time range can start on one day of the week and continue overnight into the next day In this case the days selected correspond to the start of the time range For example if you select Wed and a time range of from 21 00 to 7 00 this notification will be valid from 21 00 on Wednesday until 7 00 on Thurday even though Thu is not selected The Alarms section determines which alarm types this notification is valid for The Priority indicates whether this notification should be used even if higher priority notifications have already been successfully sent for this alarm The setting for this option defaults to Always Notify which is the recommended setting because in most cases it is not possible to safely determine whether a notification has or has not been delivered Almost the only scenario where non delivery is clear is with FAX where the transmission will fail if the fax machine is offline out of paper etc Version 1 0 Page 43 KDMON User Guide Multiple notifications can use the same recipients This allows a great deal of flexibility For example you can creating a high priority notification that causes a particular employee to receive certain types of alarm messages within the days times when they are on duty At other times another employee might be configured with another notification to receive these messages However should the notific
49. ured range Comms The KDMON comms port can be configured to monitor for alarm conditions in one of four ways e If no data is received within a specified time e lfasequence of bytes is received that matches a configured pattern e Ifa specified value is read from a Modbus slave device connected to the KDMON Version 1 0 Page 27 KDMON User Guide e Ifan irrecoverable error occurs while attempting to communicate with a Modbus slave device Day Time The KDMON can be configured to trigger an alarm regularly at a specified day and time This can be used to report periodic voltage or current measurements or to read values from a Modbus slave device Power Up The KDMON can trigger an alarm whenever it powers up With the exception of the day time and power up alarms once an alarm has triggered it must be reset before further alarms of the same type can trigger If an alarm is triggered it does not prevent other types of alarms triggering the KDMON will continue to monitor events and may still trigger other alarm types when an alarm is triggered and not reset Whenever an alarm is triggered KDMON will attempt to notify the nominated recipients of that alarm type See Configuring Alarm Notifications for how to configure notifications and recipients 4 3 1 Voltage Alarm Select the Voltage Alarm tab to configure the KDMON voltage alarm trigger Version 1 0 Page 28 KDMON User Guide KDMON Configuration File Port
50. utton to read the current date and time from the KDMON real time clock Note that the Get Date Time From KDMONand Set KDMON date and timefunctions may report No response from KDMON if the KDMON is busy trying to perform a fax or SMS operation Either wait a few seconds or reset the alarms by pressing the button on the KDMON front panel before trying again Version 1 0 Page 49 KDMON User Guide You can read the current date and time from the PC in the date and time controls using the Get Date Time From PC button or you can edit the date and time shown in these controls Use the Set KDMON date and time button to write the values shown in the controls to the KDMON real time clock It is also possible to set the KDMON real time clock remotely by sending the KDMON an SMS command see Sending Messages to KDMON for more details Note that the Get Date Time From KDMON and Set KDMON Date and Time functions may report No response from KDMON if the KDMON is busy trying to perform a fax or SMS operation Either wait a few seconds or reset the alarms by pressing the button on the KDMON front panel before trying again 47 Configuring the A to D Converter The KDMON A to D Converter ADC can be configured by selecting the ADC tab KDMON Configuration File Port Firmware Help Current Alarm Voltage Alarm Comms Alarms Day Time Alarm Power Up Alarm Notifications Send Fax Setup Send SMS Setup Email Setup SMS Commands Real Time Clock ADC
51. way IBM PC RS232 port requires the supplied null modem adaptor as shown below PC cwm mae KOMON Ld E m e HIE E LI EE P PORT 1 PORT 2 Null Modem Adaptor supplied Q 1 6 Q Q 5O O Q Q 3O Pin 6 of the Port 1 terminal block should always be earthed even if no connection is made to pins 1 5 Q 5 2 Q ir s dal EARTH Q 7 Os Version 1 0 Page 16 KDMON User Guide For installations where the CAB 001 cable is not used the following diagram shows the alternative configuration connections to the PORT 1 6 way terminal block Version 1 0 4 gt TX 3 lt 2 gt RX 2 lt 3 gt GND 5 lt 7 gt DB9 connector DB25 connector EARTH Pin 6 of the Port 1 terminal block should always be earthed even if no connection is made to pins 1 5 OO OOOOO0 3 cO c A WO n 000000 i Page 17 KDMON User Guide 22 RS232 Port TC35 MC52i MC55i Modem Connections REMOTE SIEMENS ANTENNA TC35 MC52i MC55i GSM MODEM ANTENNA KDMON Cable CAB 001 DB9 RJT KDMON r T PORT 1 PORT 2 TC35 KOMON Cable GAB QU 1 e O i O 5O O 1O Pin 6 of the Port 1 terminal block should always RED O 4 3 Q be earthed even if no connection is made to pins 1 5 BLACK ORANGE 5 2 O CS ER 1 8 10O EARTH i Q 7 POWER SUPPLY UNIT
52. with their account Version 1 0 Page 47 KDMON User Guide Email subject Any short text can be used here up to 128 characters It will be used as the subject line for all messages sent by KDMON When using email the destination recipient email address should be chosen with care because many email services use spam filters with unpredictable behaviour 45 Sending Messages to KDMON As well as sending SMS messages via an SMS modem or suitable cellular phone the KDMON can also receive SMS messages These messages can be used remotely to reset any triggered alarms to set the KDMON s real time clock and for other purposes Select the SMS Commands tab to configure this feature KDMON Configuration File Port Firmware Help Current Alarm Voltage Alarm Comms Alarms Day Time Alarm Power Up Alarm Notifications Send Fax Setup Send SMS Setup Email Setup SMS Commands Real Time Clock ADC Relay Control The KDMON will respond to commands in incoming SMS messages that start with the following password Password password mas 8 characters not case sensitive v Allow reset of any triggered alarms by an incoming SMS message password r v Allow the KDMON real time clock to be set by an incoming SMS message password d day of week YY MM DD HH MM SS For example mypass d wed 03 07 30 17 54 40 v Allow alarms to be triggered by an incoming SMS message password a T Where T is the type of alarm to trigger
53. y of KDMON Alarm Notifications Obviously no means of transmitting an alarm message is 100 guaranteed SMS delivery can be delayed by minutes or hours There are also cases where one network will not deliver messages to another one though this seems to be mostly confined to roaming or messages sent or received by satellite phones Email delivery can be compromised by spam filters Many email recipients are not aware that their incoming email is filtered and the filtering rules can change from time to time If your email provider offers a whitelist or a trusted senders option it is advisable to thus whitelist the email address configured in the KDMON From header Fax delivery is perhaps the most reliable because it needs only the two telephone lines to be working until the receiving fax machine runs out of paper And only a few networks support fax For best assurance of message delivery configure an alarm to generate an SMS and an email concurrently and use a contract SIM card so the credit cannot easily run out Version 1 0 Page 14 KDMON User Guide 1 9 Specification RS232 interface RS485 interface Voltage monitoring Current monitoring 20V output Isolation Relay Contact Environmental Ventilation EMC compliance Dimensions Version 1 0 Receiver threshold 1 5V Hysteresis 500mV typ Receiver input Z 5kQ typ Transmitter output 8V into a 3kO load Receiver threshold 200
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