user manual
Contents
1. 4 Analogue input current signal range TX4A 4 20mA Analogue input voltage signal range TX4A 0 4 2 0V Analogue input current to voltage conversion resistance TXAA 1000 0 196 Analogue input current signal range TX4AG not available Analogue input voltage signal range TX4A 0 44 2 2V Analogue input current to voltage conversion resistance TX4AG not available Analogue transmission FASTLINK or ANALINK Signal faults per analogue input TX4A and TX4AG 1 Set points per analogue input TX4A 5 Set point type 4 only iouis Rising or Falling Console port configuration 19200 baud 8 data 1 stop No parity Terminations RE HERR E Cage clamp 4mm maximum cn Ca TRE 100mm W x 75mm H x 110mm D MaSS 300g ilg EMEN TS35 DIN rail or screw mount M4 on 85mm x 61mm centres Ingress ROU CMON 20 Enclosure2. 4 1 GENERAL 2 2 2 00 0 0 0 600 0 0000 rri rers sir siis 5 2 FRONT PANEL _ 5 3 THEORY OF 6 601 6 4 OPERATING 5 8 5S GONFIGURA TION 8 5 1 CONSOLE PORT OPERATION 9 5 2 HELP COMMA N D t 10 5 3 REPEAT 0 0 6 65 10 5 4 VERSION 2 40 0 000000 11 5 5 STACK 11 5 6 SILBUS MAP 12 5 7 SILBUS STATUS 12 5 8 SILBUS GET irren eres 12 5 9 ANALOGUE INPUT ADDRESS COMMAND 13 5 10 FAULT ADDRESS COMMAND 8 tre rre tiere rre ire reir 14 5 11 FAULT LEVEL 0 0 0 000 006 000 14 5 12 TRIP POINT ADD COMMAND 2 2 8 0800 00 15 5 13 SET PO
3. 5 Photograph 2 Access to console port and programming 5 6 Photograph Laptop connected to console port via MEAN T interface 9 Photograph 4 Hyper Terminal delay setup 2 0 1 22 TABLES Table 1 Status LED flash sequence meanings 4 4 22222 8 Table 2 SILBUS TX4A Configuration record 2 2 2 4 0 22 Table Analogue input termination 23 Table 4 Power input port termination 24 Table 5 SILBUS network port termination details seen 24 FIGURES Figure 1 Set point and Fault 7 Figure 2 SIBUS TX4A Connection 23 Figure SILBUS TX4A segregation and isolation 5 25 Figure 4 Installation of the 5 22 01 25 Figure 5 SILBUS TX4AG connected to a 9042 2 0421 26 4 CHANNEL ANALOGUE TRANSMITTER 4 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 austdac 1 GENERAL DESCRIPTION The four channel analogu
4. austdac A 4 CHANNEL ANALOGUE TRANSMITTER TYPE SILBUS TX4A G USER S MANUAL 120 188 12 04 REVISION CONTROL 04 Add set points and configuration 2010 12 09 PB CG JY 03 Add information on G variant 2010 04 22 PB PB JY 02 Fix specs add prog info 2010 02 01 PB PB JY 01 Original 2009 02 10 PB PB JY Issue Details Date Written Designed Approved Austdac Pty Ltd Unit 1 4 Packard Avenue Castle Hill NSW 2154 Australia PO Box 6486 Baulkham Hills Business Centre NSW 2153 Australia Phone 61 2 8851 5000 Fax 61 2 9899 2490 Website www austdac com au Austdac Inc 455 Lowries Run Rd Pittsburgh PA 15237 USA Phone 1 888 254 9155 Fax 1 412 635 0179 Copyright 2009 01 19 This document remains the property of Austdac Pty Ltd It is subject to its recall and must not be reproduced in part or whole or its contents divulged to third parties without prior written approval from Austdac Pty Ltd 4 CHANNEL ANALOGUE TRANSMITTER 2 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 TABLE CONTENTS REVISION GCONTPTRO 2 TABLE OF CON TRN S 3 P HOTOGRAPH 4 cere eee 4 HH
5. S113003080000000800000006492000011002ED9AE 8S9030000FC TX4A The copy and paste method is used in this manual because it is the most universal method that works with all terminal emulation programs such as HyperTerminal Do not use an editor that introduces hidden formatting characters as a future download may not work with these characters in place Many terminal emulation programs have automatic means to upload the configuration directly into a file these are not described here as they 4 CHANNEL ANALOGUE TRANSMITTER 20 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 4 differ from program to program but there is no restriction on using these features Austdac is planning to release a complete tool to allow direct upload download and editing of the configuration profile austdac 5 19 DOWNLOAD CONFIGURATION COMMAND The download configuration command is used to take a previously saved configuration from a file and download it to the target SILBUS TX4A transmitter This method of configuration ensures exact cloning during maintenance and system expansions Communications with the target must first be established via the MEAN1 interface and a terminal emulation program such as Hyper Terminal The cursor should be left at the SILBUS TX4A prompt as follows TX4A Open the previously saved configuration file in Notepad or a similar non word processing editor and highlight the configuration as show
6. Points Analog Input 4 1 J1 Trips on falling edge at 16 5mA 2 22 Trips on falling edge at 16 0mA TX4A The above example shows the adding of a set point to analogue input 2 The keyword SET is required to invoke an addition the address of the SILBUS digital channel is next followed by the keyword for rising alarm and the value of the set point level in milliamps The exclamation mark should be used in front of the channel address if inverted transmission is required i e fail safe operation The set point value can be any value between 4 and 20 0mA 0 1 steps 5 13 SET POINT DELETE COMMAND This command is used to display or delete set points from the analogue inputs The current configuration of the set points can be displayed by simply entering the command name as shown in the example below TX4A DELPT Analog Input 1 1 G1 Trips on rising edge at 14 0mA 2 G2 Trips on rising edge at 15 1mA 3 G5 Trips on rising edge at 16 0mA 4 G8 Trips on rising edge at 17 3mA 5 163 Trips on rising edge at 18 0mA Analog Input 2 1 H2 Trips on rising edge at 6 3mA Analog Input 3 No Set Points Analog Input 4 1 J1 Trips on falling edge at 16 5mA 2 J2 Trips on falling edge at 16 0mA 4 CHANNEL ANALOGUE TRANSMITTER 16 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 p austdac TX4A The use of the set point delete command without any attributes does not delete any s
7. The four channel analogue transmitter has several operational parameters that require configuration prior to use All of these parameters can be viewed and changed via the console port The console port consists of a small four pin connector and a two position slide switch behind the front panel label Access to the console port can be gained by snapping out the front panel using a wide bladed flat screw driver in one of the slots between the front panel and terminal blocks 4 CHANNEL ANALOGUE TRANSMITTER TYPE SILBUS TX4A G USER S MANUAL 8 OF 28 120 188 12 Issue 04 A run austdac To use the console an Austdac MEAN 1 interface A to B USB cable and laptop computer running Hyper Terminal are required For more detail on the console port MEAN1 interface and their use refer to Austdac document 53 018 11 5 1 CONSOLE PORT OPERATION The console port should be connected to a laptop running a terminal emulation program such as Hyper Terminal via the Austdac interface type MEAN1 and a USB cable as shown in the following photograph Photograph Laptop connected to console port via MEAN interface The SILBUS TXAA certification places restrictions on what may be connected to the console port the connection of an interface other than the Austdac MEAN to the console port will invalidate the certification of the transmitter The terminal emulation program should be configured to 19200 baud 8 data bits one s
8. The refresh rate can be 4 CHANNEL ANALOGUE TRANSMITTER 10 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 run p austdac slowed by entering the refresh rate in seconds as part of the repeat command as shown in the following command gt LF 5 D1 OFF D1 OFF D1 ON D1 OFF D1 OFF D1 ON D1 OFF TX4A As can be seen from the above example the repeat command refreshed the status of SILBUS channel D1 on a new line every five seconds In the LF mode a record of the status of D1 can be viewed on the screen 5 4 VERSION COMMAND The VERSION command is used to display the serial number abbreviated type number software version and program memory checksum of the TX4A The command can be invoked as shown in the following example TX4A VER SN 09124321 TX4A 1 01 OXB12F TX4A This command is useful when the user needs to know the software version or serial number The program memory checksum is useful to confirm that a software update has completed successfully without any programming errors 5 5 STACK COMMAND The STACK command is provided to allow the technician to gauge the health of the TX4A microprocessor and its code by displaying the maximum usage of the program stack The display is a peak value of the stack usage since the TX4A was powered up The command can be invoked as shown in the example below TX4A gt STACK Stack usage size
9. to Fastlink or Analink for each analogue input An example of configuring input 1 is shown below TX4A gt ANASEL SET 1 FASTLINK Setting Changed Chan 1 Fastlink Marker Error Chan 2 Analink Chan 3 Analink Chan 4 Analink TX4A The marker error has been displayed because analogue input one has been configured to Fastlink but a valid Fastlink marker channel address has not been specified See the Fastlink marker command FSTMRK for details on assigning a valid marker address 4 CHANNEL ANALOGUE TRANSMITTER 18 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 Once valid marker address has been configured the error message will disappear as shown in the example below TX4A ANASEL Chan 1 Fastlink Chan 2 Analink Chan 3 Analink Chan 4 Analink TX4A 5 16 ANALOGUE INPUT COMMAND The analogue select command is used to display the current value of the selected analogue input The example below shows analogue input 3 being displayed TX4A AIN 3 e Chan 1 12 230mA TX4A If the input attribute is omitted from the command then the last displayed input will be displayed again If the analogue input command has not been used since power up and the input attribute is omitted from the command then input one will be displayed by default 5 17 FASTLINK MARKER COMMAND This command is used to display and configure the FASTLINK marker SILBUS channel address A valid FASTLI
10. 12mA from the power supply The table below shows the power input port connection details POWER INPUT PORT TERMINATIONS TERMINAL DESIGNATION DESCRIPTION 14 VE 12V POWER SUPPLY VE INPUT 15 VE 12V POWER SUPPLY VE OR COMMON INPUT Table 4 Power input port termination details 6 3 SILBUS NETWORK PORT The SILBUS network port provides a means for the transmitter to be connected to a SILBUS network Any connections to a SILBUS field bus network pair should be of a multi drop nature with spur lengths kept to a minimum This will minimize any reflections and therefore communications errors in the SILBUS network SILBUS NETWORK PORT TERMINATIONS TERMINAL DESIGNATION DESCRIPTION 1 SIG SILBUS NETWORK SIGNAL 2 COM SILBUS NETWORK COMMON Table 5 SILBUS network port termination details The table above shows the SILBUS network port connections 7 CERTIFICATION The four channel analogue transmitter type SILBUS TX4A has been awarded IECEx certification under IECEx TSA 07 0002X Ex ia as part of the Dupline SILBUS system The certification requires that the SILBUS TX4A be mounted within a host enclosure that provides a minimum ingress protection of IP54 IP55 for Queensland Australia Because of the segregation and isolation between the analogue inputs and the SILBUS network port the SILBUS TX4A may be easily used in an installation without having to consider any Ex interaction b
11. 312 1024 Percentage Used 30 TX4A This command would typically only be used when requested by an Austdac software engineer 4 CHANNEL ANALOGUE TRANSMITTER 11 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 austdac 5 6 SILBUS MAP COMMAND The SILBUS map command allows the operator to obtain a snapshot of the SILBUS network to which the transmitter is connected The map shows all of the SILBUS channels available on the network The map consists of a table with a heading of groups below which is displayed the channels using ones and zeros Each group is shown vertically with 1 at the top and 8 at the bottom A one indicates an ON channel and a zero indicates an OFF channel An example of an SBMAP is shown below with channels A4 P7 and P8 on or active TX4A SBMAP ABCDEFGHIJKLMNOP 0000000000000000 0000000000000000 0000000000000000 1000000000000000 0000000000000000 0000000000000000 0000000000000001 0000000000000001 TX4A gt _ The SBMAP command is particularly useful when used with the repeat command as this will display a continuously updated table 5 7 SILBUS STATUS COMMAND The SILBUS status command displays the number of SILBUS channels available on the connected SILBUS network a SILBUS synchronisation pulse count and a SILBUS error count This command is used to determine if the connected SILBUS network is functioning correctly and how many channels are available The error count should
12. AME MEANING NONE LED ON OR CONTINUOUSLY NOFLASH INTERNAL MICROPROCESSOR FAULT OR NOW POWER 3SECONDSON s ow FLASH TRANSMITTER FUNCTIONING NO SILBUS 3 SECONDS OFF CONNECTED TO SILBUS PORT 1 SECOND ON ease TRANSMITTER FUNCTIONING HEALTHY SILBUS 1 SECOND OFF CONNECTED TO SILBUS PORT AN ANALOGUE INPUT FAULT SIGNAL OR SET POINT LONG PERIOD OFF PAUSE 3 Las BEEN ASSIGNED TO AN INVALID SILBUS CHANNEL FOLLOWED BY 3 SHORT 5 aie ADDRESS P5 FOR 64 CHANNEL SILBUS NETWORK LONG PERIOD OFF PAUSE 4 AN ANALOGUE INPUT HAS BEEN CONFIGURED TO FOLLOWED BY 4 SHORT FASTLINK BUT A FASTLINK MARKER ADDRESS HAS SHORT FLASHES FLASH NOT BEEN SPECIFIED LONG PERIOD OFF PAUSE S ONE OR MORE ANALOGUE INPUTS ARE BELOW THE FOLT OWED SYS SHORT CONFIGURED FAULT LEVEL e g 3 9mA SHORT FLASHES FLASH 9 3 2 6 AFASTLINK MARKER ADDRESS HAS BEEN SPECIFIED 2 peli BUT THE MARKER CHANNEL IS NOT FUNCTIONING MAJOR REVISION FLASH SEQUENCE SOFTWARE INDICATES THE SOFTWARE VERSION LEVEL PAUSE MINOR VERSION IMMEDIATELY AFTER POWER UP SEE SOFTWARE REVISION FLASH SEQUENCE REVISION SECTION OF THIS MANUAL FOR DETAILS Table 1 Status LED flash sequence meanings The console port power source selection switch SW1 must always be in the run position for correct operation of the transmitter The run position is with the small slide actuator pushed furthest away from the black four pin console connector X111 5 CONFIGURATION
13. An analogue input may be configured with just rising or just falling or both rising and falling set points the maximum number of set points shall not exceed 5 for each input channel Only one fault can be set per analogue input channel configurable aspects of the four channel analogue transmitter can be programmed via the console port The transmitter will operate with 8 16 32 64 and 128 channel SILBUS networks and will automatically configure to the number of channels of the connected SILBUS network 4 CHANNEL ANALOGUE TRANSMITTER 7 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 lt 4 OPERATING INSTRUCTIONS The four channel analogue transmitter does not require any operator action to operate once it has been installed within an IP54 host enclosure and configured correctly An understanding of the various flash sequences of the orange status LED may be required to help in the trouble shooting and maintenance of the entire SILBUS network installation The status LED provides information on the operational status of the transmitter and the connected SILBUS network This information includes correct microprocessor operation health of connected SILBUS network selection of an invalid SILBUS channel address and indication of software version number The table below shows the various flash sequences and their meaning STATUS LED FLASH SEQUENCES SEQUENCE FLASH SEQUENCE N
14. C Append line feeds to incoming line ends C Force incoming data to 7 bit ASCII C Wrap lines that exceed terminal width Cancel Backscroll buffer lines 500 Play sound when connecting or disconnecting Photograph 4 Hyper Terminal delay setup The terminal emulation program should be set up to allow a 100mS wait period after the carriage return at the end of each line during a download this gives the target time to process the incoming data SILBUS TX4A G CONFIGURATION RECORD LOCATION SILBUS NETWORK CONFIGURATION CHECKSUM CHANNEL 1 A INPUT SIGNAL ANALOGUE SILBUS ADDRESS FAULT SILBUS ADDRESS FAULT LEVEL mA HYSTERESIS SET POINT 1 TYPE AND LEVEL mA SET POINT 2 AND LEVEL mA SET POINT 3 TYPE AND LEVEL mA SET POINT 4 TYPE AND LEVEL mA SET POINT 5 TYPE AND LEVEL ANALOGUE TRANSMISSION TYPE FASTLINK MARKER SILBUS ADDRESS Table 2 SILBUS TX4A Configuration CONT 4 CHANNEL ANALOGUE TRANSMITTER 22 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 austdac 6 TERMINATIONS AND CONNECTIONS All connections to the four channel analogue transmitter are via cage clamp terminals around the perimeter and near the front of the DIN rail mounting enclosure these terminals can accommodate up to 4mm conductors Ther
15. INPUT CH1 17 ItoV CHANNEL 1 CURRENT TO VOLTAGE CONV RESISTOR INPUT 18 LO CHANNEL 1 LO or VE INPUT 19 HI CHANNEL 2 HI or VE INPUT CH2 20 ItoV CHANNEL 2 CURRENT TO VOLTAGE CONV RESISTOR INPUT 21 LO CHANNEL 2 LO or VE INPUT 22 HI CHANNEL 3 HI or VE INPUT CH3 23 ItoV CHANNEL 3 CURRENT TO VOLTAGE CONV RESISTOR INPUT 24 LO CHANNEL 3 LO or VE INPUT 25 HI CHANNEL 4 HI or VE INPUT CH4 26 ItoV CHANNEL 4 CURRENT TO VOLTAGE CONV RESISTOR INPUT 27 LO CHANNEL 4 LO or VE INPUT Table 3 Analogue input termination details 4 CHANNEL ANALOGUE TRANSMITTER TYPE SILBUS TX4A G USER S MANUAL 23 OF 28 120 188 12 Issue 04 p austdac When a link is placed between the and I to V terminals of an input it is converted to current type input with a 1000 current to voltage conversion resistor across the input This resistor will convert 4 20mA signals to 0 4 2 0V signals at the HI and LO terminals The analogue inputs are galvanically isolated from the SILBUS network port this allows the SILBUS TXAA to be used in a variety of special ways that include connecting non intrinsically safe signals to the analogue inputs while the transmitter is connected to an intrinsically safe SILBUS network 6 2 POWER INPUT PORT The four channel analogue transmitter operates from a nominal 12 volt DC supply The power supply operating range is from 7 5 volts through to 12 6 volts The SILBUS TX4A consumes less than
16. INT DELETE 2 28 16 5 14 HYSTERESIS COMMAND 2 17 5 15 ANALOGUE SELECT 8 ri tre rre rint 18 5 16 ANALOGUE INPUT COMMAND 2 19 5 17 FASTLINK MARKER 8 88 19 5 18 UPLOAD CONFIGURATION 8 20 5 19 DOWNLOAD CONFIGURATION 21 6 TERMINATIONS AND 58 2 80 0 23 6 1 ANALOGUE INPUT 23 6 2 POWER 00280000 0 24 6 3 SILBUS NETWORK 8 24 24 8 SILBUS TX4AG 2 2 2 20000000000000 26 9 SOFTWARE REVISION AND 2 2 2 0 00 26 10 SPEGCIFICATIONS 2 9 ve euo doe Ee De Ve dU Eder 28 4 CHANNEL ANALOGUE TRANSMITTER 3 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 austdac M PHOTOGRAPHS Photograph 1 SILBUS TXAA front
17. NK marker is required whenever any one of the analogue inputs is configured to transmit using the FASTLINK protocol The marker is generated by the GSW1 channel generator and can be any valid SILBUS channel address Only marker is required per SILBUS field bus network The current marker channel address can be displayed by simply entering the command name as shown in the example below TX4A FSTMRK Fastlink Marker SILBUS Address is A3 TX4A The example below shows the format of the command when the marker address is configured The keyword SET is required to invoke a change followed by the SILBUS channel address of the FASTLINK marker If FASTLINK is not to be used by the TX4A transmitter then the marker channel should be disabled The keyword DISABLE is used when the marker channel is not required TX4A gt FSTMRK SET DISABLE lt Setting Changed Fastlink Marker SILBUS Address is DISABLE TX4A 4 CHANNEL ANALOGUE TRANSMITTER 19 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 p austdac The following table may be used to record the configuration of the SILBUS TXAA four channel analogue transmitter 5 18 UPLOAD CONFIGURATION COMMAND The upload configuration command is used to extract the configuration profile of the SILBUS TXAA via the MEAN interface and record it in a file a PC Having an exact copy of the configuration is useful for record keeping and f
18. ddress SBFALT lt SET gt lt ANA I P gt lt A1 P8 or DISABLE gt Set Fault Address FLTLEV lt SET gt lt ANA I P gt lt mA Level gt Set Fault Level Value ANASEL lt SET gt ANA I P ANALINK FASTLINK Set Analog Protocol FSTMRK lt SET gt A1 P8 or DISABLE gt Set Fastlink Marker Address ADDPT SET ANA I P A1 P8 lt F R gt lt mA gt Add 4 20mA Trip Points DELPT SET ANA I P Number A11 Delete 4 20mA Trip Points HYST 5 mA Range Set Hysteresis Range mA AIN ANA I P Display an Analog Input Value CFGUP Upload Configuration Text CFGDWN Download Configuration Text TX4A 5 3 REPEAT COMMAND The REPEAT command is used after another command to continuously repeat that command As an example the SBGET command can be executed followed by the REPEAT command to provide a continuously updating display of the selected SILBUS channel The display will continue to update until any key is hit The TX4A will respond by displaying the prompt TX4A SBGET D1 D1 REPEAT D1 OFF TX4A In the above example the OFF changed to an ON whenever SILBUS channel D1 was activated In this mode the repeat command writes over the previously displayed information if required the repeat command can be made to refresh the information on a new line by entering LF line feed as part of the command invocation The repeat command refreshes the display every one second by default
19. e are 16 possible connections to the transmitter these are shown in the following tables and diagrams 216 Qu 218 219 220 221 222 223 224 225 226 227 CH 1 SIG 10D 2 2 0 to 2 0V OR 0 4 to 2 0V SIGNAL CH2 CH3 CH4 4 CHANNEL ANALOGUE TRANSMITTER TYPE SILBUS TX4A E 142 15 2 0 to 20mA OR 4 to 20mA SIGNAL Q VSI 9 20025 D 26 27 1 2 COM 2 Q 4 CHANNEL ANALOGUE TRANSMITTER TYPE SILBUS TX4A SILBUS NETWORK VE 14 2 15 2 Figure 2 SIBUS TX4A Connection diagram 6 1 ANALOGUE INPUT PORTS Each analogue input is provided with three terminals for the connection of field wiring Each input can accept a voltage or current type signal depending on the way the field wiring is terminated at the transmitter For voltage type input signals the HI and LO input terminals are used as shown for channel one in figure 1 above For current type signals the and LO input terminals are also used with an added link between the HI and I to V terminals as shown for channel four in figure 1 above By linking the HI and 1 to V terminals a 1000 current to voltage converting resistor is connected across the input of the transmitter ANALOGUE INPUT TERMINATIONS INPUT TERM LABEL DESCRIPTION 16 HI CHANNEL 1 HI or VE
20. e set point trip alarms 9 SOFTWARE REVISION AND DISPLAY The software version of the four channel analogue transmitter type SILBUS TXAA will vary as its functionality is improved at the request of our customers The software version is given in two parts the major revision level and the minor revision level and is written in the following format VERSION M mm where M represents the major revision level and mm represents the minor revision level E g VER 1 12 The software version can be determined by using the console port or by watching the orange status LED immediately after power up The software version will be indicated by a sequence of longer flashes for the major revision level a long pause to indicate the decimal point and a further sequence of shorter flashes representing the minor revision level Therefore software version 1 12 would be represented by the sequence one longer flash a 4 CHANNEL ANALOGUE TRANSMITTER 26 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 34 long pause followed by 12 shorter flashes Refer to the SILBUS TXAA software release register 120 399 01 for a history of software firmware updates austdac 4 CHANNEL ANALOGUE TRANSMITTER 27 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 10 SPECIFICATIONS ND LEE 4 Channel Analogue Transmitter j me SILBUS TX4A G Number of analogue
21. e transmitter is part of a family of explosion protected DIN rail mounting modules that transmit to and receive from an Austdac SILBUS field bus network The SILBUS TX4A G can transmit up to four 4 20mA or 0 4 2 0V analogue signals on four independent valid SILBUS channels The SILBUS TX4AG variant has been re scaled to accept 0 44 2 2V input signals only See section 8 for more details on the SILBUS TX4AG The four analogue inputs are galvanically isolated from the SILBUS network port This isolation allows the SILBUS TX4A to provide many simple and highly effective solutions when used in installations involving intrinsically safe and non intrinsically safe circuits The transmitter is housed within a DIN rail mounting enclosure measuring 100mm W x 75mm H x 110mm D The front panel is located between the two top of enclosure mounted terminal blocks to provide a clear view of the operation indicating LED s Two LED s are provided to show power and SILBUS network status The SILBUS TXAA can be quickly and simply configured using a laptop computer running Hyper Terminal and a small plug in programming adaptor Each analogue input can be independently programmed to any SILBUS channel address Each analogue input can also have it s under range hysteresis digital fault channels and transmission protocol configured by the user 2 FRONT PANEL LAYOUT The four channel analogue transmitter front panel is located between the terminal blocks that for
22. egation and safety of the transmitter Figure 4 Installation of the SILBUS TX4A G 4 CHANNEL ANALOGUE TRANSMITTER 25 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 austdac EE 8 SILBUS TX4AG VARIANT The SILBUS TXAAG variant of the SILBUS TXAA is exactly the same as the SILBUS TX4A except it has been rescaled to only accept a 0 44 2 2V analogue signal generated by a TROLEX TX9042 current type analogue input card SILBUS TX4AG can only transmit the 0 44 2 2V voltage signal and can not transmit current type analogue inputs The SILBUS TX4AG variant is only used in conjunction with TX9042 current type analogue input card as shown in the figure below 0 to 20mA Qu toV OR 4 to 20mA Lo SIGNAL TROLEX TX 9042 CURRENT INPUT CARD 2 220 5 SILBUS NETWORK zi 2 9 COMMON 4 CHANNEL ANALOGUE TRANSMITTER TYPE SILBUS TX4AG 51 L t lt mom VSI Figure 5 SILBUS TX4AG connected to a TX9042 The application of using the 1100 5 sampling resistor within the TX9042 current input card to convert the 4 20mA signal into 0 44 2 2V for retransmission via the SILBUS TX4AG introduces 5 error into the signal For this reason the SILBUS TXAAG should only be used as a maintenance replacement for the discontinued ATX4AG The SILBUS TX4AG should not be used for new designs The SILBUS TX4AG does not hav
23. et points TX4A DELPT SET 13 Analog Input 1 1 G1 Trips on rising edge at 14 0mA 2 G2 Trips on rising edge at 15 1mA 3 G8 Trips on rising edge at 17 3mA 4 G3 Trips on rising edge at 18 0mA Analog Input 2 1 H2 Trips on rising edge at 6 3mA Analog Input 3 No Set Points Analog Input 4 1 J1 Trips on falling edge at 16 5mA 2 J2 Trips on falling edge at 16 0mA TX4A The above example shows the deletion of the third set point on analogue input 1 The keyword SET is required to invoke the deletion The number 1 specifies the analogue input and the 3 specifies which set point to delete Note that set points four and five are renumbered after execution of the delete command The next example shows the use of the keyword ALL with the delete set point command TX4A gt DELPT SET 1 ALL Analog Input 1 No Set Points Analog Input 2 1 H2 Trips on rising edge at 6 3mA Analog Input 3 No Set Points Analog Input 4 1 J1 Trips on falling edge at 16 5mA 2 22 Trips on falling edge at 16 0mA TX4A 5 14 HYSTERESIS COMMAND This command is used to display and configure the fault and set point hysteresis value for all of the analogue inputs The hysteresis value is used to stop the fault signal from switching on and off with any noise that may be present on the analogue input signal For example if the analogue input was currently at 4 00mA and the fault level was set at 3 99mA the input signal would only need sl
24. etween the SILBUS network and the analogue inputs As shown in the figure below the SILBUS network port is segregated from the other ports to 60079 11 375 volts as indicated by the green dotted lines The four analogue input channels are segregated from each other but not galvanically isolated Refer to drawing 120 396 19 for more detail on the application of the SILBUS TXAA G 4 CHANNEL ANALOGUE TRANSMITTER 24 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 Pub austdac Figure 3 SILBUS TX4A segregation and isolation levels The analogue input terminals are separated from all other terminals by more than 50mm The individual analogue input channels are separated from each other by more than 6mm This certification allows the four channel analogue transmitter to be located wholly within the hazardous area and the connection of intrinsically safe circuits to its various ports The analogue inputs can be driven from a single or four different intrinsically safe sources because of the segregation between the four analogue input channels For the same reason the power supply port can be driven from the same source as the analogue inputs or from an entirely different intrinsically safe source without the need for an assessment of voltage or current addition As always careful attention should be paid to the segregation of wiring in this configuration as incorrectly segregated wiring could negate the segr
25. ightly more than 0 01mA of noise to cause the fault signal to randomly switch on and off By setting the hysteresis value to slightly higher than any known noise this random and annoying switching can be eliminated The 4 CHANNEL ANALOGUE TRANSMITTER 17 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 A run p austdac hysteresis value is common to all four analogue inputs faults and set points The current hysteresis value can be displayed by simply entering the command name as shown in the example below TX4A gt HYST Hysteresis level 0 10mA TX4A If the command name is entered with additional attributes the hysteresis level can be configured to any valid level An example of configuring the hysteresis level is shown below TX4A gt HYST SET 0 21 Setting Changed Hysteresis level 0 21mA TX4A The range of the hysteresis is from 0 01mA to 1 00mA 5 15 ANALOGUE SELECT COMMAND This command is used to display and configure the analogue transmission protocol for each of the analogue inputs Each analogue input can be configured to either Analink or Fastlink The current selected transmission protocols can be displayed by simply entering the command name as shown in the example below TX4A ANASEL Chan 1 Analink Chan 2 Analink Chan 3 Analink Chan 4 Analink TX4A If the command name is entered with additional attributes the analogue transmission protocol can be configured
26. m part of the enclosure The front panel is shown in photograph 1 below austdac o AM SIL BUS STATUS 4 CH ANALOGUE TRANSMITTER TYPE SILBUS TX4A Photograph 1 SILBUS TX4A front panel 4 CHANNEL ANALOGUE TRANSMITTER 5 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 _ rom austdac Located the top right hand corner of the front panel the STATUS POWER indication LED s The green power LED is illuminated whenever a 12 volt supply is connected to the transmitter The orange status LED flashes at different rates to indicate the operational status of the transmitter see table 2 for more details The front panel can be snapped out and removed by using a wide bladed flat screw driver to gain access to the configuration console port and programming switch Photograph 2 below shows the front panel removed and the location of the console port and programming switch Photograph 2 Access to console port and programming switch The black four pin console port connector and the red programming switch are located behind the lower right corner of the front panel label 3 THEORY OF OPERATION The four channel analogue transmitter takes four analogue inputs and transmits them onto the connected SILBUS network using either the ANALINK or FASTLINK protocols Each analogue channel is converted to a sixteen bit Fastlink or eight bit Analink value ready for transmission on the co
27. mA 2 G2 Trips on rising edge at 15 1mA 3 G5 Trips on rising edge at 16 0mA 4 G8 Trips on rising edge at 17 3mA 5 163 Trips on rising edge at 18 0mA Analog Input 2 No Set Points Analog Input 3 No Set Points Analog Input 4 1 J1 Trips on falling edge at 16 5mA 2 J2 Trips on falling edge at 16 0mA TX4A Analogue input 1 has 5 rising trip points the fifth is inverted as indicated by the exclamation mark Inverted set points normally transmit on the nominated digital channel and stop transmitting when the input signal passes the set point allowing for fail safe operation Analogue inputs 2 and 3 in the above example do not have any set points 4 CHANNEL ANALOGUE TRANSMITTER 15 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 austdac configured If the command is entered with additional attributes more set points be added to the configuration up to the upper limit of five set points per input channel There is no restriction on the SILBUS addresses they do not have to be in numerical order or from the same group An example of adding a new set point to input 2 is shown below TX4A gt ADDPT SET 2 H2 R 6 3 Setting Changed Analog Input 1 1 G1 Trips on rising edge at 14 0mA 2 G2 Trips on rising edge at 15 1mA 3 G5 Trips on rising edge at 16 0mA 4 G8 Trips on rising edge at 17 3mA 5 G3 Trips on rising edge at 18 0mA Analog Input 2 1 H2 Trips on rising edge at 6 3mA Analog Input 3 No Set
28. material iare tht Polycarbonate 3096 GV UL 94 V 1 Enclosure KE RAL 7032 Grey iEn Erogo Polycarbonate UL 94 V 2 Terminal ess Are oTi C Blue Operating temperature 09 to 40 Storage temperature EAE IA 209 to 80 Operating relative humidity range 1096 to 9096 Non condensing Power supply operating voltage 7 5v to 12 6v Power supply current consumption ssssssee HH 12mA maximum 4 CHANNEL ANALOGUE TRANSMITTER 28 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04
29. n below CFGDWN S00300000FC 511300000000001001022 008056000105000000 51130010800000008000000080000000800000000 511300208000140008001 00090028000 00000007 113003080000000800000006492000011002ED9AE S9030000FC Copy and paste the configuration from Notepad to the TX4A prompt in Hyper Terminal as shown below Note CTRL V does not work in Hyper Terminal TXAA gt CFGDWN S00300000FC S11300000000001001022E008056000105000000CF S113001080000000800000008000000080000000DC S11300208000140008001E00090028000A000000D7 S113003080000000800000006492000011002ED9AE s9030000FC TX4A The first line of the configuration contains the keyword CFGDWN which instructs the target to accept the data records This CFGDWN keyword should have been copied from a previous upload and saved in the configuration file Automatic file transmission features of the terminal emulation program may be used to download configuration files 4 CHANNEL ANALOGUE TRANSMITTER 21 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 Console2 Properties Connect To Settings Function arrow and ctrl keys act as ASCII Setup Teminal keys Windows keys ASCII Sending Backspace key sends C Send line ends with line feeds QH Del Space Echo typed characters locally Line delay 1 milliseconds Emulation VT100 Character delay P milliseconds Telnet terminal ID VT100 ASCII Receiving
30. nfigured SILBUS channel The transmission protocol can be independently selected for each analogue input See Austdac document 120 009 10 for a more detailed description of SILBUS communications If the Analink transmission protocol is selected then the input analogue is transmitted as a stream of 255 on off bits preceded by a single bit that is asserted if a fault alarm has not been detected i e 4mA offset is present 4 CHANNEL ANALOGUE TRANSMITTER 6 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 austdac Pub jj If the Fastlink transmission protocol is selected then the input analogue including the 4mA offset is converted to a 16 bit binary value and transmitted along with a four bit checksum In effect the 4mA offset is transmitted to the receiver s where the decision in relation to a 4 20mA signal fault should be made Faults are included in the SILBUS TX4A G to provide compatibility with the Analink protocol and to provide local warning of a signal fault Each analogue input is monitored for under range signal level by comparing it to an input independent under range fault level if the input signal is below this configured level then a fault is generated This fault can be transmitted as a digital signal on any valid configurable SILBUS channel address Each analogue input is also compared with up to five configurable rising or falling set points If the analogue input signal passes a set poin
31. nput 3 Address A7 Input 4 Address B3 TX4A If the command name is entered with additional attributes the channel addresses can be configured to any valid SILBUS address There is no restriction on the SILBUS addresses they do not have to be in numerical order or from the same group An example of configuring input 2 is shown below TX4A gt SBADDR SET 2 K7 Setting Changed Input 1 Address 22 Input 2 Address K7 Input 3 Address A7 Input 4 Address B3 TX4A The above example shows the format of the command when the address is configured The keyword SET is required to invoke a change the number of the TX4A input is next followed by the SILBUS channel address If a TX4A input is not to be used then it should not be assigned a SILBUS channel address The keyword DISABLE is used when a SILBUS channel is not required TX4A gt SBADDR SET 2 DISABLE Setting Changed Input 1 Address 22 Input 2 Address DISABLE Input 3 Address A7 Input 4 Address B3 TX4A 4 CHANNEL ANALOGUE TRANSMITTER 13 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 p austdac 5 10 FAULT ADDRESS COMMAND This command is used to display and configure the SILBUS channel addresses of the four signal fault signals of the SILBUS TXAA The fault signals are generated when and analogue input falls below a preconfigured fault level The current SILBUS channels of the fault signals can be displayed by simply e
32. ntering the command name as shown in the example below TX4A SBFALT Under Level Fault Silbus Addresses are Input 1 Fault Address 22 Input 2 Fault Address A6 Input 3 Fault Address A7 Input 4 Fault Address B3 TX4A If the command name is entered with additional attributes the channel addresses can be configured to any valid SILBUS address There is no restriction on the SILBUS addresses they do not have to be in numerical order or from the same group An example of configuring input 2 is shown below TX4A gt SBFALT SET 2 K7 Setting Changed Input 1 Fault Address 22 Input 2 Fault Address K7 Input 3 Fault Address A7 Input 4 Fault Address B3 TX4A The above example shows the format of the command when the address is configured The keyword SET is required to invoke a change the number of the TX4A input is next followed by the SILBUS channel address If a TX4A input is not to be used then it should not be assigned a SILBUS channel address The keyword DISABLE is used when a SILBUS channel is not required TX4A gt SBFALT SET 2 DISABLE Setting Changed Input 1 Fault Address 22 Input 2 Fault Address DISABLE Input 3 Fault Address A7 Input 4 Fault Address B3 TX4A 5 11 FAULT LEVEL COMMAND This command is used to display and configure the under level fault trigger point for each of the analogue inputs The fault trigger point allows the analogue transmit
33. t level a digital alarm will be generated This alarm can be configured to transmit on any valid SILBUS channel address mA mA O2 20 1 5 0 20 1 25 0 DO NOT CONFUSE SET POINTS WITH m 4 20 HARDWARE SIGNAL FAULTS E RISING SET POINT 21 1 J7 WARNING SETPOINTS ARE FOR PROCESS ALARMS ay m FAULTS RE EG OA SINAI FAULTS FALLING SET POINT 20 3 J6 WARNING SX 9 FALLING SET POINT 19 5 J5 TRIP 14 14 12 1 2 5 12 1 12 596 10 10 4 20 SIGNAL PROCESS NORMAL RANGE 8 RISING SET POINT 1 25 J1 TRIP 8 1 6 25 n RISING SET POINT 0 9 J2 WARNING 4 20mA SIGNAL HARDWARE FAULT RANGE 6 RISING SET POINT 0 6 J3 WARNING 6 4 4 3 5mA 5m lt 4 FAULT 3 5 2 lt 4 FAULT K4 2 0 0 0 5 LEL CH4 0 25 VIV O2 SENSOR SENSOR INPUT 3 INPUT 1 Figure 1 Set point and Fault operation A common hysteresis level can be configured for all inputs to stop the fault signals or the set point alarm signals from chattering because of noise on the analogue input signals The above figure shows the difference between set points and signal faults set points are reserved for process alarms while faults are reserved for 4 20mA signal issues like less than 4mA Both set points and faults may be configured to generate a digital signal on any valid SILBUS channel address but only faults transmit 4 20mA embedded error signals in the Analink protocol
34. ter to detect input signals that are out of range less than 4mA or open circuit The fault level is entered as a mA level for example 3 80 This would cause a fault to be generated 4 CHANNEL ANALOGUE TRANSMITTER 14 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 whenever the input signal fell below 380mV for 0 4 to 2 0V input signal 3 80mA for 4 to 20mA signal The current fault levels can be displayed by simply entering the command name as shown in the example below TX4A gt FLTLEV Input 1 3 99mA Input 2 4 00mA Input 3 3 90mA Input 4 3 85mA If the command name is entered with additional attributes the fault levels can be configured to any valid level An example of configuring the fault level for input 2 is shown below TX4A gt FLTLEV SET 2 3 95 Setting Changed Input 1 3 99mA Input 2 3 95mA Input 3 3 90mA Input 4 3 85mA 5 12 TRIP POINT ADD COMMAND This command is used to display and configure the SILBUS channel addresses direction and level of the trip point alarms of the SILBUS TXAA The trip alarms are generated when an analogue input passes a preconfigured rising or falling trip point level Up to five trip point alarms can be assigned to each analogue input The current configuration of the set points can be displayed by simply entering the command name as shown in the example below TX4A gt ADDPT Analog Input 1 1 G1 Trips on rising edge at 14 0
35. top bit no parity no flow control and DEC VT100 terminal emulation Once communications have been established with the SILBUS TXAA it will display a screen of information that includes software version software checksum and a list of commands followed by the console port prompt The prompt includes an abbreviation of the transmitter type number TX4A gt Commands are invoked by entering the command name followed by any optional modifiers keywords and the ENTER key The enter key is shown in the following examples as symbol 4 CHANNEL ANALOGUE TRANSMITTER 9 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 austdac 5 2 HELP COMMAND The HELP command prints a list of all available commands and shows the syntax for each command Optional command modifiers are shown within while mandatory modifiers are shown within An example of a screen output follows TX4A gt HELP Software 2 01 0x07B9 Configuration 50 8 5 00000000 Commands ok K K ok ok ok ke K K Level 1 Standard Menu ok ok eK K K K k K K HELP 1 7 Level of Help Displays Help Menu REPEAT LF Refresh rate in seconds Repeats Previous Command VER Firmware Version and Checksum STACK Displays Peak Stack Usage SBMAP Displays SILBUS I O Map SBSTAT Displays SILBUS Status SBGET lt A1 P8 gt Display a SILBUS Channel Status SBADDR lt SET gt lt ANA I P gt lt A1 P8 or DISABLE gt Set ANA I P A
36. typically be zero while the sync count should be incrementing Once again the use of the repeat command will provide a dynamic updating display An example of the SBSTAT command follows TX4A SBSTAT No Chan 128 Sync Count 17807 Error Count 0 TX4A gt _ The error count will be non zero whenever the connected SILBUS network is out of specification The error count can be non zero if the connected SILBUS network channel generator has its power supply cycled off and on These error counts should be ignored 5 8 SILBUS GET COMMAND The SILBUS get command is used to display the status of one selected SILBUS channel only If this command is used in conjunction with the repeat command a continuously updating display can be achieved The command is invoked by entering the command name followed by the desired channel address as shown in the two examples below 4 CHANNEL ANALOGUE TRANSMITTER 12 OF 28 120 188 12 TYPE SILBUS TX4A G USER S MANUAL Issue 04 austdac TX4A SBGET M3 OFF TX4A SBGET B7 B7 ON TX4A 5 9 ANALOGUE INPUT ADDRESS COMMAND This command is used to display and configure the SILBUS channel addresses of the four analogue inputs of the SILBUS TX4A The current SILBUS channels can be displayed by simply entering the command name as shown in the example below TX4A SBADDR Silbus Input Addresses are Input 1 Address 22 Input 2 Address A6 I
37. uture cloning of new SILBUS TXAA transmitters for maintenance or system expansion The upload is invoked by entering the command name without any attributes as shown in the example below TX4A CFGUP CFGDWN S00300000FC S11300000000001001022E008056000105000000CF S113001080000000800000008000000080000000DC S11300208000140008001E00090028000A000000D7 S113003080000000800000006492000011002ED9AE S9030000FC TX4A The configuration is uploaded and displayed on the screen in Motorola 51 59 HEX format This data format includes headers and checksums to guard against errors and corruption of the data The first line of the uploaded configuration is the keyword CFGDWN this does not form part of the data but is included to help with the configuration download process see section 5 17 below for details To save the configuration to a file open Notepad or a similar non word processing editor highlight the uploaded configuration as indicated below and copy to Notepad via the clipboard The Notepad file should then be saved with a meaningful title that reflects the application e g TX2F xxx CFG When highlighting the uploaded configuration ensure that the invisible carriage returns CR at the end of all lines are included Also ensure that the CFGDWN keyword is included TX4A CFGUP CFGDWN S00300000FC 511300000000001001022 008056000105000000 51130010800000008000000080000000800000000 511300208000140008001 00090028000 00000007
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