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Sensata IWR-PORT Series, Operating Manual

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Sensata IWR-PORT Series Operating Manual Download Page 30

| IWR-PORT SERIES 

UTILITY OPERATING MANUAL 

C

opyright © 2021 Sensata Technologies, Inc.

             

Page 30

  

For negative numbers change the sign and convert to hexadecimal then subtract from 

0x10000 

e.g. –50 becomes 50 which converts to 0x0032  

0x10000 – 0x0032 = 0xFFCE 

 

 

Writing 16-bit Zero Point Scaling Values:

 

 

To calculate the 16 bit zero-point Modbus registers offset please refer to the IWR-Port 

Modbus register table (128 channel, 8 parameters). 

 

 

Conversion is carried out as described in the section above. 

 

 

 

Writing 16-bit Output Link Values 

 

To calculate the 16-bit output link registers offset please refer to the IWR-Port Modbus 

register table (128 channel, 8 parameters). 

 

The link values are written as unsigned integers. For outputs on the system, the 

associated registers will have a link value that the output represents. 

 

These values can be changed by writing to the associated Modbus register.

 

 

They will only be changed by the IWR-Port if the Link values are unlocked, by first 

writing 0x0000 to register 48000

 

This is best illustrated with an example. 

 

Channel 1 is the IWR-Port with 1 analog output, parameter 1. 

Channel 2 is an Isoslice-2 with 8 analog inputs, parameters 1 to 8. 

Channel 3 is an Isoslice-8 with 4 analog outputs, parameters 1 to 4. 

 

Read register 45377 to find out what the IWR-Port output represents when the IWR-Port 

is running. If its link value is 0x0000 it is referencing itself, so its output is under Modbus 

control.  

To change it to represent the value of parameter 1 of the Isoslice-2 on channel 2 change 

this link value to 0x0008 by writing this value to register 45377. 

 

Read register 45393 to find out what the first analog output (parameter 1) of the Isoslice-8 

on channel 3 represents. If its link value is 0x0010 it is referencing itself, so its output is 

under Modbus control.  

To change it to represent the value of parameter 2 of the Isoslice-2 on channel 2. Change 

this link value to 0x0009 by writing this value to register 45393. 

 

The parameter being followed is the bottom 3 bits of the link value (bits 2,1,0). The 

channel being followed is always bits 9,8,7,6,5,4,3. 

 

If an output needs to follow channel 63, parameter 2: 

Summary of Contents for IWR-PORT Series

Page 1: ...ision reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that which the receiver is connected Consult the dealer or...

Page 2: ...________________________________________ 10 6 2 Output Span and Output Zero 1 OUT SPAN and 2 OUT ZERO ____________ 11 6 3 Display Scaling Values Adjustment 3 DSV Cc Pp 4 DS span 5 DZ zero _____ 11 6 4 View Display Scaling Values 6 VIEW DSV ______________________________ 13 6 5 Linking Outputs to other Parameters 7 OUT Cc Pp 8 LINK Cc Pp ________ 13 6 6 View Link Table 9 VIEW LINK _________________...

Page 3: ...______________________________26 9 1 Reading Data Values________________________________________________ 26 9 2 Reading Scaling and Other Values ____________________________________ 29 9 3 Writing Output Values _______________________________________________ 32 10 INSTALLATION__________________________________________________36 11 TROUBLESHOOTING ____________________________________________37 11 1...

Page 4: ...dule provide a straightforward method of interfacing wireless sensors and transmitters to an RS 232 RS 485 or Ethernet network It can also be linked to wired Isoslice input and output units and so accept virtually every type of analog input signal from millivolts to 40 V dc mA thermocouples and RTDs Alternatively it can be used as a simple wireless 4 20mA cable replacement system providing 4 20 mA...

Page 5: ...an be changed from the default 0 100 by following the procedure in section 6 3 For each IWTT channel parameter 1 will be the thermocouple temperature Select the network protocol by following the procedure in section 6 9 Set up the Modbus slave address by following the procedure in section 6 10 Set up the Ethernet port by following the procedure in section 8 3 Measure the age of reading in minutes ...

Page 6: ...tallation instructions for details The Isoslice 8 unit is configured as channel 5 Refer to the Isoslice 8 installation instructions for details Fit the Isoslice 8 and IWR Port units to the din rail Connect power and RS 485 cable to the IWR Port then switch on see section 4 Access the main menu by pushing and holding both buttons until OK is displayed Display scaling values will be automatically sh...

Page 7: ... supply and analog outputs are on the bottom rows The diagram below shows how to connect to an IWR Port with an analog output and a serial port either RS 232 or RS 485 If the IWR Port does not have the single analog output option there are no connections to terminals 10 and 12 7 Ground OUTPUT PSU 16 36 V dc 16 32 V 0V 2 1 ve ve 0 10 V 0 4 20 mA 1 10 Voltage Current 1 2 1 1 Serial 9 RS232 Receive o...

Page 8: ...witch must be changed when the power to the IWR Port is off 1 2 3 4 Network Pan Id RF 1 2 3 4 Network Pan Id RF 0 0 0 0 1 6000 21 0 0 0 1 9 6008 14 0 0 1 0 2 6001 22 0 0 1 1 10 6009 15 0 1 0 0 3 6002 23 0 1 0 1 11 600A 16 0 1 1 0 4 6003 24 0 1 1 1 12 600B 17 1 0 0 0 5 6004 25 1 0 0 1 13 600C 18 1 0 1 0 6 6005 11 1 0 1 1 14 600D 19 1 1 0 0 7 6006 12 1 1 0 1 15 600E 20 1 1 1 0 8 6007 13 1 1 1 1 16 6...

Page 9: ...r Values from IWTs with normal scaled data are displayed as described in section 6 3 where 3869 0 and 61650 100 Output parameters should not be linked to follow pulse count input parameters because the scaling is different This is because an output linked to a normal scaled input value follows a value between 3869 and 61650 representing 0 to 100 whereas a pulse count value can be between 0 and 655...

Page 10: ...u 2 OUT ZERO 6 3 Display Scaling Values Adjustment 3 DSV Cc Pp 4 DS span 5 DZ zero The display can show a scaled numerical value for each parameter of each channel Scaling values can be adjusted between 999 and 9999 The default scaling values are 0 to 100 For all channels all 8 parameters can be changed even if the channel is not used or some of the parameters are not used or autoscaling is on see...

Page 11: ...ay will show the channel on the left and the parameter on the right The lower button increases the channel 1 to 128 and the raise button increases the parameter 1 to 8 The channel and parameter are chosen in menu 3 4 DS span indicates what the display span value is span is 999 to 9999 To change the display span value enter the sub menu and adjust it 5 DZ zero indicates what the display zero value ...

Page 12: ...nnel 1 to 128 the right button increases the parameter 1 to 8 Once the channel and parameter of the input that the output is chosen in 7 are to be linked to having been chosen exit the sub menu The link function typically allows analog outputs on the isoslice bus to reproduce analog values from remote sensors or allows digital outputs on the isoslice bus to reproduce digital values from remote sen...

Page 13: ...hannel 2 Parameter 2 Push the lower button to select channel 2 on left 1 to 128 Push raise button to select parameter 2 on right 1 to 8 Push the raise button once to change the menu item 8 LINK C2 P2 Isoslice 8 output 1 is now linked to Isoslice 2 input 2 View Link Table 9 VIEW LINK To view the parameters that a channel is linked to use the 9 VIEW LINK menu The channel and parameters that the outp...

Page 14: ...rameter using menu 10 BURNOUT Then select menu 11 LEVEL and in the submenu choose HI or LO The default Burnout Level for all parameters of all channels is HI Burnout Time Control Each channel has an Age parameter associated with it to indicate how old the data is If the device providing that data becomes unable to send any new data there comes a time when the data held by the IWR Port can be consi...

Page 15: ...ub menu but it cannot be changed MODBUS RTU default MODBUS TCP Slave Address 15 ADDRESS address The main menu will display the address or unit identifier after ADDRESS The Modbus slave address or unit identifier can be changed Selectable addresses are 1 to 247 The default slave address is 11 Baud Rate 16 BAUD baud The main menu will display the current baud rate after BAUD The default baud rate is...

Page 16: ... all the time or switches off 15 minutes after a button was last pressed ON Select this to make the display stay on all the time 15 Select this to make the display switch off after 15 minutes default 6 4 Age Select 20 AGE age The age of a parameter can be counted in seconds or minutes which will depend on the update of the wireless sensors concerned Use this menu to select between SEC select this ...

Page 17: ...ificant 16 bits first For example Channel 2 Parameter 1 is 49 70838 In hexadecimal format this is 0x4246D562 Registers 43337 and 43338 must be read to get this 32 bit value In big endian format 0x4246 will be in register 43337 0xD562 in register 43338 In little endian format 0xD562 will be in register 43337 0x4246 in register 43338 AUTOSCALE 24 AUTOSCALE auto This option switches on automatic scal...

Page 18: ...1650 41281 41282 50 00 Scaled 0 100 43329 100 Span point 44353 0 Zero point 46401 0x98 7 ISOSLICE BUS The Isoslice units are powered by the Din rail mounted bus connectors The IWR Port will scan the bus when it powers up to find Isoslice units that are attached Initially the data values of all data registers are 0xFFF0 which indicates there is no data available Each Isoslice is read twice a second...

Page 19: ...e port settings are 38400 baud 8 data bits no parity 1 stop bit A 120 ohm termination resistor may be required across A and B The A and B connections to the IWR Port can be identified by the signals present on them whilst there is activity on the RS485 bus In this example the first character is 0x0B and 2 stop bits are used 8 3 Ethernet The IWR Port can be fitted with an ethernet port called an XP...

Page 20: ... v4 4 available to download at https www lantronix com products deviceinstaller Run Device Installer wait until the first search is complete or click Search Select the XPort from the list and click on the IP address 192 168 1 6 in the example If the XPort has only just been connected to the network the IP address shown might be in red 169 x x x This means that the IP address has not yet been assig...

Page 21: ...ight 2021 Sensata Technologies Inc Page 21 A connection screen will appear Leave the Username and Password blank and click OK Navigate to the Network section In the main window where it says IP Configuration select Use the following IP configuration ...

Page 22: ...1 6 in this example Type in the Subnet Mask usually 255 255 255 0 The default gateway can be 0 0 0 0 DNS server can be 0 0 0 0 Click OK at the bottom of the page Click Apply Settings on the left Wait for it to reboot It will now be possible to connect to the static IP address on port 502 with a SCADA system or Modbus test program ...

Page 23: ... Yes No 9 1 Reading Data Values The IWR Port is channel 1 if it has an output fitted The data can be read as a 16 bit integer or as a scaled 32 bit float Command 0x03 by convention should be used but the IWR Port supports reads to the table of data using command 0x04 Reading 16 bit unsigned integer values Each channel has 10 registers associated with it The first 8 registers per channel are data v...

Page 24: ...nal strength between 0 and 255 For a wireless device a value below 30 is considered marginal For a local Isoslice unit 255 indicates the Isoslice is responding normally or 0 if the Isoslice is not responding If the device type is 0x98 then extra information is available about the IWT transmitter in the 16 bit registers of parameters 2 to 8 P1 Scaled data 3869 to 61650 P2 Raw 16 bit data P3 Span sc...

Page 25: ...to 5 V 60 0 to 24 V 61 0 to 200 mV ac 62 0 to 50 mV ac 63 0 to 330 mV ac 64 0 to 500 mV ac 65 4 to 20 mA sink 66 0 to 20 mA sink 67 0 to 10 mA sink 68 0 to 27V 69 undefined 1 scaled input 70 1 digital input 71 2 digital inputs 72 4 digital inputs 73 1 32 bit pulse inputs 74 2 32 bit pulse inputs 75 40 to 120 C 0 to 100 RH 76 89 undefined 2 scaled inputs 90 Horizontal Tilt Sensor 91 Vertical Tilt S...

Page 26: ...000 to 0xFFFF for example 0xFFEC Subtract 0xFFEC from 0x10000 0x14 Convert to decimal and change the sign 20 Reading 16 bit Span Point Scaling Values To calculate the 16 bit span point register offset please refer to the IWR Port Modbus register table 128 channel 8 parameters Convert the resulting signed integers as shown above Reading 16 bit Zero Scaling Point Values To calculate the 16 bit zero ...

Page 27: ...0x0008 it represents the value of parameter 1 of the Isoslice 2 on channel 2 it will follow whatever input 1 on that Isoslice 2 is Read register 45393 to find out what the first analog output parameter 1 of the Isoslice 8 on channel 3 represents If its link value is 0x0010 it is referencing itself so its output is under Modbus control If the link value is 0x0009 it represents the value of paramete...

Page 28: ...Set 4 parameters 8 parameters IWR Port with 1 output 0x20 Isoslice 1 2 universal analogue inputs 0x01 Isoslice 2 8 HL analogue inputs 0x03 Isoslice 3 4 RTD analogue inputs 0x02 Isoslice 4 4 TC analogue inputs 0x02 Isoslice 5 8 digital inputs 0x43 Isoslice 6 4 digital outputs 0x62 Isoslice 7 2 frequency inputs or 1 pulse 0x01 Isoslice 8 4 analogue outputs 0x22 Isoslice 9 4 AC analogue inputs 0x02 I...

Page 29: ...lice units that have outputs can have values written to them via Modbus provided they have been set up to allow this see section 6 5 An isoslice unit with a digital output can have a digital value written to it A digital output value is 0x0000 off 0x0001 on For analog outputs 16 bit data values are written as unsigned integers representing a number between 6 7 and 106 7 100 and 0 correspond to the...

Page 30: ...iting 0x0000 to register 48000 This is best illustrated with an example Channel 1 is the IWR Port with 1 analog output parameter 1 Channel 2 is an Isoslice 2 with 8 analog inputs parameters 1 to 8 Channel 3 is an Isoslice 8 with 4 analog outputs parameters 1 to 4 Read register 45377 to find out what the IWR Port output represents when the IWR Port is running If its link value is 0x0000 it is refer...

Page 31: ...lowing channel 63 parameter 2 should have decimal value 497 written to its link register The bottom 3 bits for parameter 2 is 001 which is the binary for 2 1 because 0 to 7 represents parameters 1 to 8 The next 7 bits for channel 63 are 011 1110 which is the binary for 63 1 because 0 to 127 represents channels 1 to 128 So the final number is 011 1110 001 01 1111 0001 0x1F1 497 ...

Page 32: ...is 0x00FA Write the value 0x00FA to register 46530 for channel 2 They will only be changed by the IWR Port if the Link values are unlocked by first writing 0x0000 to register 48000 Writing Burnout Timeout Values To calculate the 16 bit burnout timeout registers offset please refer to the IWR Port Modbus register table 128 channel 8 parameters Each channel can be programmed with an 8 bit number rep...

Page 33: ...e IWR Port has some built in self diagnostic functions Errors encountered will be displayed on the screen E 1 The input value is not available ERR1 The radio module did not reset correctly Switch power off for 10 sec ERR2 Eeprom Error Stored data has been corrupted Push and release both buttons then recalibrate the output options and values ERR3 Link Table Error Stored data has been corrupted Push...

Page 34: ...y energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to co...

Page 35: ...e Canada applicables aux appareils radio exempts de licence L explitation est autorisée aux deux conditions suivantes 1 l appareil ne doit pas produire de brouillage et 2 l utilisateur de l appareil doit accepter tout brouillage et 2 l utilisateur de l appareil doit accepter tout brouillage radioelectrique subi même si le brouillage est susceptible d en compromettre le fonctionnement Conformément ...

Page 36: ... TO SENSATA DATA SHEETS OR USE THEREOF All products are sold subject to Sensata s terms and conditions of sale supplied at www sensata com SENSATA ASSUMES NO LIABILITY FOR APPLICATIONS ASSISTANCE OR THE DESIGN OF BUYERS PRODUCTS BUYER ACKNOWLEDGES AND AGREES THAT IT IS SOLELY RESPONSIBLE FOR COMPLIANCE WITH ALL LEGAL REGULATORY AND SAFETY RELATED REQUIREMENTS CONCERNING ITS PRODUCTS AND ANY USE OF...

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