User`s Manual - SICES Brasil
Contents
1. 0 057 iom OE WN FESTER GE IO Ta ar he S Response time CAN signal isplay reso n on Current inputs Digital acquisition resolution 15 bit Reading resolution 1 32 e D y lutio DST4601 PX 119 From 273 to 1735 units with one decimal Reading dynamics transmitted figure position of decimal point position can be set Environmental conditions Operating temperature from 20 to 60 C from 30 to 9096 condensate free Storage temperature from 20 to 70 C Degree of protection IP 20 Dimensions Weight 101Hx35Lx119D Weight 1659 4 User s Manual SICES 2 1 INDICATORS LED Description 000 o ON WORK Running LED flashes to indicate the deviceison Running LED flashes to indicate the deviceison flashes to indicate the device is on Indicates the state of the main communication interface For can bus version LED flashing 2 no communication bus off or passive error REMOTE LED on Can communication active Active error For RS485 version LED off 2 no communication LED on communication active Signals on channel 1 see table below Signals on channel 2 see table below Signals on channel 3 see table below Signals on channel 3 see table below MART Sa Meng ALARM 1 2 3 4 No signal valid reading no condition active on relevant input or input not configured Differential Reading function activated only on IN3 1 rapid flash indicates2. r 8 COMMON i fy INPUT 3 Leed ig The current loop D 8 4 SENS SUPPLY is powered by gt 3 VOLT INPUT lg 3 1 i 3 8 1 1NdLNO TO J9 RELAIS MODULE A FLAT CABLE OUT 1 8 pepper the sensor i 9 9 So b re 2 CURR INPUT 53 DIPSWITCH SWN oS 4 COMMON Cs Ta G N INPUT 2 CN je RS485 INTERFACE i 4 SENS SUPPLY ef USE CABLE EIA 485 for e g logi 23 BELDEN 3105A 3 VOLT INPUT fo 2 ma 9841 xx mi 2 CURR INPUT me elg pa z 1 COMMON oam E x gt hy 1777 The current loop is INPUT 1 ogo 29 T powered by in io r4 82 Linternal circuit 4 SENS SUPPLY xx al xx xo p 3 VOLT INPUT xx o nne dice udi ES CURR INPUT ou diii 2 23 c BATT 2 r 1 COMMON 3 rane rc ET t 4 Ka BATT 1 zaraa li The current loop is powered by the sensor Voltage input O boom 369 001B r 16 User s Manual SICES Empowering your control This document is owned by SICES s r l All rights reserved SICES s r l reserves the right to modify this document without prior notice SICES has made any effort to ensure that the information herein provide are correct in any case SICES does not assume any liability for the use these information The disclosure by any means of this document to third parties is not allowed S C E S srl Via Molinello n 8 B 21040 Jerago con
3. Empowering your control ii nnnon en Pu i d ti i m wy v u User s Manual DIVIT Filename EAAMOS36903EN docx Rev 03 Date 28 05 2013 ID Document EAAM0369 Product DIVIT SICES 1 GENERAL CHARACTERISTICS onsiiesuaxci eue EE UMR Max CB LENE RENEE ENES EE M IrE3 DuC vEFUN CAE ErES 3 Er VERSIONSAVAIBABEES sossesenbivEIID EEN DIUINO 3 2 TECHNICAL SPECIFICATIONS aannnnnnnennnnnennnnnnnnnvnnnnnnnnnnnnnnnnanennnanennnanennnnnennnnnennnnr 4 21 INDICATOR uein E NG 5 3 MODBUS SPECIFICATIONYS sxckGsskbnanbYEEEEERHUEEE EV NER aa aaa aa aaa aaa 5 4 CanBus specifications EX BUS proprietary protocol 8 5 een reddidisse a a aa a a aaa 8 6 CNS LJ 8 7 USING With 8 oUlTelay board cie oaisuunusuc educ uu ecu incucud utu ee 10 8 COMIC UN AO o BSRRRRR 10 8 1 Select type of reading and end of scale rrnnrrrrrnnrrvrrnnvrvnrnnrrrerrnnrrerrnnrrenrnnerennn 11 8 2 Setting the electrical sensors signals correspondence 12 8 3 Switch settings seeesssssseessseeeeeee nennen nennen nnne nnn nnn n nna nnns nnn arn 12 8 3 1 SWN switches for RS485 Version ae NEVER ERE 12 8 3 2 SWN switches for CanBus Version cccccecccesceceeeececeseueeseueeseneeseneesanees 12 8 3 3 JP serial interface configuration switch cccceececeeeeceeeeceeeeceeeecee
4. Orago VA Italy T 39 0331 212941 F 39 0331 216102 info sices eu www sices eu
5. failure 8 decimal bits divide by 256 Low threshold 96 for sensor 3 failure Value 1 indicates control High threshold 96 for sensor 3 disabled failure Low threshold 96 for sensor 4 failure High threshold 96 for sensor 4 failure Relay outputs control Writing modifies the outputs not used in the conditions Reading only indicates the outputs controlled via Modbus but not the actual state of the outputs 8Conditions 43001 Condition N N Analog Input 0 condition disabled Nx10 1 IN1 2 IN2 3 IN3 4 IN4 Nx10 2 OUT2 8 OUT8 FN NN RN Nx10 threshold Nx10 disab threshold Mer guum Nx10 threshold Nx10 delay disab threshold Nx10 on same OUT Nx10 invalid reading ON User s Manual 7 SICES 4 CanBus specifications EX BUS proprietary protocol CAN speed 250 kbit s CAN settings sample point at 7596 11bit identifier standard format Messages transmitted EX BUS jw pe MXD oxaar PIVIT Description Data contains the 4 analog readings acquired 16 bit for each reading Transmission freq 400 msec Ex Bus format valid values from 0x0000 to OxFAFF Reading value Ex bus value 32 273 From OxFBOO to OxFFFF diagnostic values OxFAFF Overflow 0x0000 Underflow OxFFOO unavailable OxFEO03 voltage over threshold L 8 byte OxFE04 voltage under threshold OxFEO5 current under threshold OxFEO6 current over threshold 0x430 MXS DIVIT 6 byte Di
6. with an 120 ohm impedance for CANBUS connection use the appropriate cable e g KELUKABEL 800571 RS485 CANBUS terminations to minimize reflections the first and last device in the RS485 or CANBUS network must have a termination resistor connected in parallel with the 120 ohm 1 W line 10 Sensor connections 10 1 Voltage input active sensor 3 4 wire passive sensor SHIELDED INPUT SHIELDED INPUT CABLE CABLE 4 SENS SUPPLY 4 SENS SUPPLY 3 VOLT INPUT 3 VOLT INPUT EXTERNAL SENSOR POWER ANE e 2CURR INPUT 2 CURR INPUT 1 COMMON 1 COMMON ACTIVE SENSOR THREE FOUR WIRES PASSIVE SENSOR User s Manual 13 SICES 10 2 Current Input active sensor INPUT SENS SUPPLY 5HIELISED CABLE 3 VOLT INPUT EXTERBAL SENSOR POWER SUPPLY 2 CURR INPUT 4 COMMON ACTIVE SENSTR passive 2 wire sensor INPUT 4 SENS SUPPLY SHIELDED CABLE e 3 VOLT INPUT 2 CURR INPUT 4 COMMON 14 User s Manual 3 4 wire passive sensor SHIELDED CABLE SENSOR SUPPLY THREE FOUR WIRES PASSIVE SENSOR INPUT 3 VOLT INPUT 4 COMMON 4 SENS SUPPLY 2 CURR INPUT 396 007 SICES 11 Dimensions SaLOWSyH i Lav ily mm Thuy iy Ena e 6 a 2 z 3 D pr a uU Bx 5 57 z n sake WO i Z mmi pe njega Hk WO 2r usan 1 2 2 3 6 INPUT 4 zs EE m 4 22 SENS SUPPLY 7 B VOLT INPUT 2 rae
7. EUT Q COMMON Cu E a d INPUT 3 2 SENS SUPPLY 3 9 3vo 7 INFLT frig RS Duet INCUT E S 4 COMMON cC I INPUT 2 4 SENS SUPPLY 3 2 3 VOLT INPUT o 2 ELRR INET Es iz COMMON Com co INPUT 1 SUPPLY 0O kia CAT INPUT 3 2 UU INEUT Hal 4 COMMON c 8 eo pe z 8 O 103 12 Summary of connections 12 1 CAN BUS version cS slong C hari co fNHVTY EG CNAYTY MD ray Ty TOU The current loop is Indino TVNH3IX3 yuo No ternal Great So 4 SENS SUPPL an p 3 VOLT INPUT Q D ui i au gs a puc k j 2 CURR INPUT 2 use tO mec r common E 32 E 1 1 i 4 i a a 40 i ck 3 INPUT 3 i s isse i Tha zur bop D 4 SENS SUPPLY ERE MT 7 VOLT INPUT mom x 2 CURR INPUT COMMON T i LI INPUT 2 ME CANBUS INTERFACE i 4 SENS SUPPLY al for CAN connection 2XD 5m i 3 VOLT INPUT f N C 5 eie KELUKABEL nr 00571 d 2 CURR INPUT 2 CAN H4 P z i s l Mii ir aim INPUT 1 mig Lo mE e 9 caniz 83 ro i lar bl AES epitet H C 1 TASTED AND SHIELDED CABLE 2 CURR INPUT 4 COMMON GAB 3 I 12 32Vde 4 SENS SUPFLY 3 VOLT INPUT c BATT 2 BATT 1 369 001A User s Manual 15 SICES 12 2 RS485 version 2 E I pe The current loop is powered by internal circuit 4 SENS SUPPLY EI a 3 VOLT INPUT p gt 2 CURR INPUT
8. The out controlled by the conditions cannot be modified via Modbus 8 relay module version available E610209350000 OUTPUTS 24V MODULE For systems with 24V 18 30 VDC power supply 8 OUTPUTS 12V MODULE 29 10200000 100 For systems with 12V 9 16 VDC power supply 8 Configuration The configuration requires connection to a PC via RS232 serial port using Jack connector JP or RS485 serial with connector J2 and the BoardPrg program version 2 25 and later BoardPrg can be downloaded from the site www sices biz in the Software section gt Sices Board Programming select the latest version BoardPrg x yy z msi Notes Use cable E090000000142 RS232 E20931 module connection cable to connect via a RS232 serial port JP Jack connector STEREO JACK SOCKETS o v mM curd zr 5 GND CANNON SUB D CONNECTORS ME 3 TX arc O 3C 2 RX 30000 E Set the serial port to be used on the PC in Communication Menu Select Communication Resource Check the communication parameters 9600 N 8 1 355 003 10 User s Manual SICES Set the Modbus address in Communication gt menu Serial address default 1 e Display the parameter window in File menu gt Parameter management e Make the connection to the DIVIT board Connect PN Important Read the parameters Read command and transfer the values to the New Value column where you can edit them Copy command Now you
9. ading from for the control Out N if 0 no OUT is modified by this condition the value from 1 to 8 selects the relay output to use if the condition is verified this output will be activated otherwise it will be deactivated Note the OUT is under the full control of the condition and cannot be modified via Modbus Activation threshold and delay When the measured value exceeds this threshold for the time indicated the condition is activated positive logic 8 User s Manual SICES Deactivation threshold and delay When the reading value falls below this threshold and remains so for the time indicated the condition is deactivated in positive logic If the delay is 0 the deactivation threshold is disabled in this case the condition is disabled when the value drops below the activation threshold OUT state on reading invalid or sensor fault If the input selected by this condition is outside the declared limits or the reading is invalid this parameter indicates the state the output must be in 02 not forced 1 forced deactivated OFF 2 forced activated ON And or logic on previous conditions that use the same OUT The thresholds can function in positive or negative logic POSITIVE LOGIC activation threshold gt deactivation threshold e g activation threshold 8 5 Bar deactivation threshold 8 0 Bar the relay is normally open when the pressure reaches 8 5 bar the relay is closed and remains so until
10. agnostics Contains board type firmware revision CAN error counters alarm states 0x43F Transmission freq 1 sec Note each module transmits with a single ID The ID selection is made with SWN switches 1 4 EX BUS ADDRESS To change the EX BUS address after modifying the switches turn the DIVIT module off then on again For further information on EX BUS protocol refer to EAAS0346xxxx specifications 9 Differential reading Enabling this function lets you automatically calculate and transmit the difference between the readings acquired from input 1 and input 2 then M3 M2 M1 In this case the sensor connected to input 3 J7 will not be detected ALARMS Led flashes rapidly to indicate the function is activated and the reading is estimated The result of the difference is taken as a normal reading so it is transmitted instead of the reading from input 3 and can be associated with conditions and thresholds If inputs 1 or 2 are invalid M3 will also be invalid This function is activated by parameter 6 Conditions The conditions allow flexible programming of the thresholds for activation of the relays Parameter can be set for up to 8 conditions You can associate 2 or more conditions by setting the same OUT and indicating whether they operate with OR or AND logic The following can be set for each condition Input N if set to O deactivates the entire condition from 1 to 4 selects the analog input to take the re
11. can configure the device After configuration check SWE dipswitch 8 ON and press Transmit The configuration can be saved on a PC Save and reloaded Load at a later date to configure other modules in the same way After programming switch SWE dipswitch 8 OFF again to activate write protection 8 1 Select type of reading and end of scale SWA SWB SWC and SWD switches 1 set the end of scale for each channel switches 2 are not used SWA B C D M ON z 10mA 5V OFF 1 2 OFF 20 mA 10 V 369 002 Once you have set the switches adjust the parameters By default no channel is enabled and none of the four readings is transmitted Set the type of electrical signal current or voltage and its end of scale value for each channel used Select in the drop down menu under Input type in the pages of the 4 inputs of the BoardPrg program Parametri di programmazione variabili su questa papina 14ngeesso 1 2Hngesso 2 34ngesto 3 amp ingresso 4 5 Condaone 1 5 Condaone 2 7 Condaoone 3 B Condknone 3 Condaone 5 10 Consoone 6 Trasmetti Copa Defsut Corks Save Rares You can set the limits of acceptability of the signals from the sensors these are the lower and upper thresholds for reporting sensor faults Values are expressed as a percentage and refer to the current or voltage reading E g if we have a 4 20 mA signal the input will be configured for 0 20 mA we can set 20 as the lower threshold and 100 as
12. ding 3 at 32 bit 30027 x2 Reading 4 at 32 bit ru Reading 1 Ex Bus format amu Reading 2 Ex Bus format 20088 Reading 3 Ex Bus format Reading 4 Ex Bus format 2 bits for each LED 00 off 01 50 flashing 10 2 20 flashing 11 lit 32 bit format with sign 3 decimal places the reading should be divided by 1000 Range from 2 147 483 648 to 2 147 483 647 If sensor fails or is outside limits will count O Ex Bus format 16 bit Offset 273 5 decimal bits divide by 32 Valid values 0x0000 OxFAFE from 273 to 1734 94 C Diagnostic values OxFAFF z Overflow 0x0000 Underflow OxFFOO unavailable OxFEO03 voltage over threshold OxFE04 voltage under threshold OxFEO5 current under threshold OxFEO6 current over threshold 30041 Current calculated on input 1 In microamps 16 bit with sign 30042 Current calculated on input 2 In microamps 16 bit with sign In microamps 16 bit with sign 30051 Voltage calculated on input 1 In millivolts 16 bit with sign 30052 Voltage calculated on input 2 In millivolts 16 bit with sign 30053 Voltage calculated on input 3 In millivolts 16 bit with sign 30054 Voltage calculated on input 4 In millivolts 16 bit with sign 30085 0 Reading valid 1 Input not configured Reading unavailable 2 Reading invalid bit 0 OUT 1 bit 1 OUT 2 O OFF 1 ON 1 interface prese
13. ed communication lines A further non isolated RS232 connection is available via Jack to configure the device Connection with SICES boards is via CANBUS with dedicated EX BUS protocol The device has an output connector for controlling the optional SICES E610209350XXX DITEL MODULE 8 OUTPUTS either at 12V or 24V Through it you can control eight dry contact relay outputs activated through thresholds and conditions set with parameters using an RS232 serial port JP connector and the SICES BoardPrg program The device can be installed on a DIN guide 1 1 VERSIONS AVAILABLE DIVIT CANBUS isolated CAN BUS non isolated RS232 via jack connector Designed to be used with DST4601 PX devices with CANBUS connection up to 16 modules with SICES EX BUS proprietary protocol can be connected E610209400xx DIGRIN MODBUS RS485 Isolated RS485 non isolated RS232 with jack connector used only for configuration For use with devices using MODBUS RTU protocol with RS485 connection 32 possible addresses E610209410xx User s Manual 3 SICES 2 TECHNICAL SPECIFICATIONS nput voltage 7 32VDC Current absorbed 100 mA 13V Max 2 4 W Isolation of input reading 1000 V chann ive i els monopolar L nputs two scales 0 SV 0 10V input impedance 1Mohm monopolar two scales 0 10mA 0 20mA Input impedance 100hm Max input voltage Maximum input current Precision with reference to f s 0 0596 Linearity
14. eeeeeeeeaeees 13 9 InStallauomiBsiruc lOS EE NERE NERE SNS NER EEN NE EEN EUR saecu EIRE 13 10 Sensor connections mE 13 10 1 Voltage Input cece eee ceecceeecceeeceeeceuceceeecaeeceueeeaeesseesaueceeesseeseeeseuseneeeseeesags 13 10 2 CIE NN 14 EPI 44444444 15 12 Sumann Of conneclloliS oec cence EE ca iura ocn suc oed coena quoe nequc ases Hen d eee sa UE due 15 12 1 JANBU Nr 15 12 2 BEL SSE SION ER 16 ii User s Manual SICES 1 GENERAL CHARACTERISTICS The DIVIT device acquires voltage or current signals on four different channels galvanically isolated from each other and the power lines They can be used with 0 5V or 0 10V voltage signals or in 0 10 or 0 20mA current loop Each independent channel can be associated with a reading magnitude by setting appropriate parameters for the corresponding measured electric magnitude signal values of two known characteristic points correspondence should be linear The value of the measured magnitude is transmitted directly The format of the data transmitted has an absolute dynamic ranging from 273 to 1735 with selectable decimal point position A descriptive alphanumeric string can be set for each channel on the SICES DST4601 PX boards and the unit of measure of the magnitude measured by the sensor defined in it Both active and passive sensors can be used The device is available in two versions with CANBUS or MODBUS RS485 communication both versions have galvanically isolat
15. nt 0 not present 0 Error Active 1 Error Passive 2 BusOff 30089 OUT state on relay 8 module 30201 Presence of CANBUS interface 30202 CANBUS state Modbus Registers Holding Register nput 1 configuration nput 2 configuration Input 3 configuration Input 4 configuration Reading 3 Reading 2 Differential reading function activation Reading 1 40021 x2 Reading 1 Input Value 1 Expressed in microA or mV 40023 x2 Reading 1 Input Value 2 Expressed in microA or mV transm transm 40031 x2 Reading 2 Input Value 1 Expressed in microA or mV 40033 x2 Reading 2 Input Value 2 Expressed in microA or mV 40016 40017 40018 RWND oO H Hn Hn ot I 0 Off 1 2 On 40019 6 User s Manual SICES 140035 x2 Reading 2 Value 1 corresponding transm transm 40041 x2 Reading 3 Input Value 1 Expressed in microA or mV 40043 x2 Reading 3 Input Value 2 Expressed in microA or mV 40045 x2 Reading 3 Value 1 corresponding transm Any m u 40047 x2 Reading 3 Value 2 corresponding transm 40051 x2 Reading 4 Input Value 1 Expressed in microA or mV 40053 x2 Reading 4 Input Value 2 Expressed in microA or mV transm Reading 4 Value 2 corresponding 40061 Low threshold 96 for sensor 1 failure 40062 High threshold for sensor 1 failure 40063 Low threshold 96 for sensor 2 failure Format High threshold 96 for sensor 2 16 bit with sign
16. tches for RS485 Version SWN SWITCHES Assign modbus device address from 1 to 32 with SW6 ON Modbus address block ON from switches 1 5 OFF 1 fixed Bo ON enable parameter writing Modbus address allocation table MODBUS ADDRESS LJ c LJ UJ SWN DIPSWITCHES 8 3 2 SWN switches for CanBus Version SWN SWITCHES EX BUS Jack JP Modbus Modbus device ID EX BUS address assigned Ox43F if SWN 6 ON Modbus address block ON selected with switches 1 4 OFF 1 fixed Not used ON enable parameter writing 12 User s Manual SICES EX BUS address EX BUS ADDRESS assignmenttable ozl almjelne enerne re O ee eee ee be be pe BS bed xk x B 2 xx bedt bet ie 8 1 x xx bet et ee 8 3 3 JP serial interface configuration switch Biren NN SWITCH EN C o al resistor in RS485 line resistor from the RS485 line 2 Disable RS232 RS485 serial JP Enable RS232 RS485 serial JP 3 Enable RS232 serial JP Enable RS485 serial JP 4 Baud rate 19200 Baud rate 9600 9 Installation instructions The device is designed to be mounted on a DIN 46277 guide in an upright position It requires adequate ventilation to function properly Avoid installing above and or near devices that produce heat Only use screened cable to connect to the reading inputs connect the screen at a ground point near the input connectors For an RS485 connection use a screened cable
17. that it is not a real measurement but the difference between Reading 2 Reading 5096 alternate blinking Invalid reading or out of range sensor failure Lit fixed Condition verified on relevant input if configured corresponding OUT will be activated 3 MODBUS SPECIFICATIONS Protocol Rtu Modbus Two baud rates can be selected with switches 9600 19200 Transm parameters N 8 1 fixed Modbus address selectable with SWN switch 1 32 RS485 version 1 16 CANBUS version Connection via standard J1939 or PMC bus owner Not compatible with protocol MTU MDEC N B register writing is protected SWN 8 OFF protection active cannot write Modbus Registers Input Register Format Z 30001 Conv points 4 80002 Conv points 2 16 bit with sign 30003 Conv points 3 range from 32768 to 32767 8 high bits power on start up i Ms led One Apae 8 low bits current switch position 0 OFF 1 ON Bit 0 OUT 1 bit 12 OUT2 3006 Outputs used in conditions 0 free 1 used 0 OK module connected and functioning Digital outputs module 1 Transmission Error TER 2 OL OpenLoad Error OUT diagnostics module disconnected 4 Diagnosis error Overload or overtemperature normal operation 3009 lads n testing board User s Manual 5 SICES ALARM 1 2 3 4 LED state 30021 x2 Reading 1 a 32 bit 30023 x2 Reading 2 at 32 bit 30025 x2 Rea
18. the pressure drops below 8 0 bar again POSITIVE LOGIC Sa gt Sd Sa Activation threshold Ga eo Esser Sd Deactivation threshold CD Q I e e I I I I I I I I I I Se EEE NEGATIVE LOGIC activation threshold lt deactivation threshold e g activation threshold 20 deactivation threshold 50 gt the relay remains closed as long as the percentage reading is below 2096 The relay opens when the reading is above 20 and remains open until the percentage drops below 50 NEGATIVE LOGIC Sa lt Sd Sa 7 Activation threshold ee eee FIFE SNE NE Sd Deactivation threshold NEGATIVE LOGIC Sa lt Sd Sa Activation threshold Lm Sd Deactivation threshold User s Manual 9 SICES 7 Using with 8 out relay board 8 RELAY MODULE Max current rating of relays 4A Weight of 8 relay module 150 g OUTPUT 4 OUTPUT 3 OUTPUT 5 OUTPUT 2 OUTPUTS OUTPUT 1 OUTPUT TO JS DIVIT L c wo OUTPUT 1 OUTPUT 8 PER a EXTERNAL OUTPUT 369 010 The 8 out relay board doers not require a power input it should be connected to the DIVIT module using a 10 pin flat cable connected to connector J5 Position the two modules so the flat cable is as short as possible Each output has an indicator LED The leds light when the corresponding output is active in other words when the contact closes between COM and NO The outputs can be controlled by the conditions set in the parameter or via Modbus
19. the upper threshold so if the sensor signal is below 4 mA or above 20 mA a fault will be reported sensor faulty or disconnected User s Manual 11 SICES 8 2 Setting the electrical sensors signals correspondence Independently for each channel you can set the correspondence between the electrical magnitudes current and or voltage at the module inputs and the physical magnitudes pressure speed levels detected by sensors or other devices We need to know two points on the sensors characteristics which must be linear The configuration parameters can be found in the inputs pages Enter the value of physical magnitude and the corresponding electrical signal for each channel For example if on channel 1 there is a pressure sensor for which the points 2 and 8 bar correspond to 6 and 10mA are known enter the value 6 in the Input value 1 box and value 2 in the box Corresponding value 1 transmitted Then enter values 10 in the Input Value 2 box and 8 in the Corresponding value 2 transmitted box The channel has now been configured The maximum limit of the transmitted value is 1735 units using values with decimals and choosing multiples or sub multiples of the unit of measure of the input magnitude any value can be transmitted For example to transmit a pressure from 1000Pa to 7000Pa choose the corresponding values transmitted 100 0 and 700 0 hPa hectopascals as the unit of measure 8 3 Switch settings 8 3 1 SWN swi
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