VB – 6A VB – 3A
Contents
1. Set the Main Unit to STOP and turn ON the power To download the above program then switch the Main Unit to RUN Analog values will be sent from DO BFM 1 and D1 BFM 2 to the respective output channels of the VB 6A VB 3A When the Main Unit is in STOP the analog outputs will be remain those values has been set before stopping To set the values of DO and D1 the analog outputs of VB 6A VB 3A will follow digital inputs For a detailed description refer to Chapter 6 1 Allocation of Buffer Memory BFM About Analog Output VIGOR ELECTRIC CORP VB 6A VB 3A Analog Input and Output Module Example 6 M9000 FROM K2 K30 D10 K1 From the BFM 30 to read the model code CMP K103 D10 MO M1 will be turned ON when the code K103 MOV K1000 DO K 1 000 DO MOV kK2000 D1 K 2 000 D1 M1 TOP K2 K20 H00 KI H00 BFM 20 CH1 amp CH2 0 10 V voltage output TO K2 K21 DO K2 D0 BFM 21 CH1 output D1 BEM 22 gt CH2 output To execute the program above on the VB 6A VB 3A output terminals will be Between VOUTI and COM has 2 5 V output Between VOUT2 and COM has 5 V output m Cautions Regarding Operation Check whether the output wiring and or expansion cables are properly connected on VB 6A VB 3A analog output part of the module Refer to Chapter 3 2 Terminal Layouts of Analog Output Part2. 19 When the content values of BFM 1 4 are between 1 32 767 the b11 OFF Otherwise ON Read only 20 29 Reserved do not use 30 Model code VB 6A K103 VB 3A K104 Read only When to trigger the BFM 18 bO 1 all the analog to digital converted characteristics including CH1 CH4 will be returned to the default values Ifa user sets incorrect converted characteristics to the module to trigger the BFM 18 bO 1 which can reset all the converted characteristics back to their default settings e When to trigger the BFM 9 b1 b0 1 1 the content values of BFM 10 and 11 which are the converted characteristics for CH1 will be activated and recorded to the EEPROM And so forth the b2 b7 in the BFM 9 can use the same effect on the CH2 CH4 which may be set up the CH1 CH4 respectively or simultaneously b7 bO G4 O4 G3 O3 G2 O2 G1 O1 lt BFM 9 L To set up the new OFFSET value of the CH1 To set up the new GAIN value of the CH1 To set up the new OFFSET value of the CH2 To set up the new GAIN value of the CH2 To set up the new OFFSET value of the CH3 To set up the new GAIN value of the CH3 To set up the new OFFSET value of the CH4 To set up the new GAIN value of the CH4 The settings of BFM 10 17 shall be in the unit of mV or pA which are specified by the input mode of BFM 0 The BFM 9 18 can be written from its Main Unit by using the TO instruction the
3. 3A Analog Input Output Combined Module The default A D and D A transfer modes are good enough for general applications The chapter 5 3 and 6 3 are for a particular A D and D A transfer characteristics adjustment please skip those chapters if using the default modes Contents Page 1 Specifications lt lt Power Input Requirement gt gt lt lt 10 V Accurately Standard Voltage Output gt gt lt lt Analog Input Performance Specification gt gt lt lt Charts of A D Converter Characteristic gt gt lt lt Analog Output Performance Specification gt gt lt lt Charts of D A Converter Characteristic gt gt 2 Dimensions 3 Wiring 3 1 Terminal Layouts of Analog Input Part 3 2 Terminal Layouts of Analog Output Part 4 Outline of FROM TO Instruction 5 Analog Input Operating Instruction 5 1 Allocation of Buffer Memory BFM About Analog Input 5 2 Operation and Program Example About Analog Input 5 3 Defining OFFSET and GAIN of Analog Input 6 Analog Output Operating Instruction 6 1 Allocation of Buffer Memory BFM About Analog Output 6 2 Operation and Program Example About Analog Output 6 3 Defining OFFSET and GAIN of Analog Output 17 Lowo ADNAN A PBRWWWW W M W W VIGOR ELECTRIC CORP VB 6A VB 3A Analog Input and Output Module 1 Specifications lt lt Power Input Requirement gt gt e 5 V DC for internal control Supplied from PLC Main Unit or Expansion Unit V
4. Check that the VB system configuration rules have not been broken i e the number of modules does not exceed 8 Ensure that the correct output mode has been selected for the application Check that there is no power overload on either the 5 V or 24 V lt lt Power Input Requirement gt gt remember the loading on the VB Main Unit or a powered extension unit varies according to the number of extension units or special function units connected Put the Main Unit into RUN After turning ON or OFF the 24 V DC power for analog signals the analog output may fluctuate for approximately 1 second This is due to time delays in the power supply from the Main Unit or differences in start time For this reason be sure to take preventive measures so that this output fluctuation will not affect the external units VIGOR ELECTRIC CORP VB 6A VB 3A Analog Input and Output Module 6 3 Defining OFFSET and GAIN of Analog Output 10V 20mA Default Setting L User Defining Convert Characteristic Mode 1 E GAIN 6 000 GAIN 12 000 Py gt X gt BS oe 5 6V 12mA a ga y ga ee Q Default Setting 2 F Z OFPSET 2 000 Mode0 F OFFSET 4 00 y GAIN 5 000 42V 4mA OFFEET 0 OV y 0 _ 2000 4000 0 _ 2000 4000 Digital Input Digital Input D A Conversion Chart of Voltage Output Modes D A Conversion Chart of Circuit Output Modes The two diagrams above represent Digital to Analog conversion characterist
5. GAIN values Example 7 Via the program to set the CH1 s OFFSET 0 mA and GAIN 10 mA and the convert characteristic of CH2 still keeps the default setting M9002 X0 TO K2 K20 H01 Kl TOP K2 K25 KO Kl H01 BFM 20 CH1 4 20 mA current output CH2 0 10 V voltage output CH1 s OFFSET BFM 25 0 0 mA m TOP K2 K26 K10000 K1 CH1 s GAIN BFM 26 10 000 TOP K2 K21 H3 Kl 10 000 uA 10 mA Let the BFM 21 b1 b0 1 1 to active the effect for CH1 s BFM 25 amp 26 VIGOR ELECTRIC CORP Tel 886 2 2620 4393 Fax 886 2 2620 4976 http www vigorplc com
6. Mode 2 Current Input Range 10 V 10 V Range 4 mA 20 mA Range 20 mA 20 mA 2000 2000 2000 J 9 ili Be CAE ei E S OJ OS O ESE o J E amp co a rer 1 amp 2000 ioy ov tov 2000 tama OmA 4mA 20mA 70 soma OmA 20mA Voltage Input Current Input Current Input VIGOR ELECTRIC CORP lt lt Analog Output Performance Specification gt gt VB 6A VB 3A Analog Input and Output Module itan Voltage Output Current Output Voltage or Current outputs are selected by BFM 20 amp different terminals Mode 0 1 Analog Output Range DC 0 10V 4 20 mA Digital Input Range 0 4000 0 4000 External Load Resistance 500 Q 1 MQ 500 Q or less Resolution 2 5 mV 5 pA Overall Accuracy 1 full scale Conversion Speed 0 4 ms 2 points Isolation Photocoupler isolation between analog and digital circuits DC DC converter isolates of power from its power source No isolation between analog channels lt lt Charts of D A Converter Characteristic gt gt The charts of two default D A converted characteristics Which can be adjusted by using the approach specified at Chapter 6 3 Defining OFFSET and GAIN of Analog Output Mode 0 Voltage Output Range 0 V 10V Mode 1 Current Output Range 4 mA 20 mA 10V TA lt i aa o O O 3 F 4mA ov mA i 0 Digital Input 4000 0 Digital Input 4000 2 Dimen
7. To assign the ml in a VB Series each special module is consecutively assigned from K1 to K8 in a VBO Series ml K1 or K2 it begins with the closest one to the Main Unit When X0 OFF the instruction will not be performed but the data which was read previously will still remain Device KnS T VZ index e ml 1 8 em2 0 32767 e n 1 32767 aml The position number of the specified special module X0 m m2 S w m2 Initial serial number of the BFM s which will be written TO_ Kl KO DO _K1 S The initial source device which stores the data is for the BEM Cn Number of data group s to be write The Main Unit of VB series PLC use this instruction to write data to the special module BFM When X0 ON the content value of CS D0 will be written into the BMF 0 m KO in the special module and it is installed in the 1 D K1 position Since n K1 there is only one BFM will be written To assign the ml in a VB Series each special module is consecutively assigned from K1 to K8 in a VBO Series m K1 or K2 it begins with the closest one to the Main Unit When X0 OFF the instruction will not be performed but the data which was written previously will still remain VIGOR ELECTRIC CORP VB 6A VB 3A Analog Input and Output Module 5 Analog Input Operating Instruction The VB 6A m
8. noise or a voltage ripple exists at the output must connect a smoothing capacitor of 0 1 0 47 uF 25 V 3 Connect the terminal on the VB 6A VB 3A with the terminal on the Main Unit of the programmable controller Mixed voltage and current output from the same channel is not possible Shorting the voltage output terminal or connecting the current output load to the voltage output terminal may damage the VB 6A VB 3A The 24 V DC service power of the PLC Main Unit can also be used Do not connect any unit to the unused terminal VIGOR ELECTRIC CORP VB 6A VB 3A Analog Input and Output Module 4 Outline of FROM TO Instruction D ae P H 4BFROM GD G2 O m Read special module BFM Device KnS T VZ index e ml 1 8 m2 0 32767 n 1 32767 mD The position number of the specified special module Z0 m m2 D n m2 Initial serial number of the BFM s to be read FROM KI K5 DO K4 D The initial device of storage s for collect the picked up data Cn Number of data group s to be read The Main Unit of VB Series PLC use the instruction to read BFM data of the special module When X0 ON 4 groups they will be the BFM 5 8 because n K4 and m2 K5 data in the specified special module which is installed in the m K1 1 position will be read and stored into registers sequentially which are started from D DO
9. 0 000 times approximately to operate those BFMs 20 23 24 and 29 should pay attention to this limitation of EEPROM e Writing data into an EEPROM will take longer time So between two rewrite commands for the EEPROM must make an interval more than one second VIGOR ELECTRIC CORP VB 6A VB 3A Analog Input and Output Module 6 2 Operation and Program Example About Analog Output To operate the VB 6A VB 3A module can using the following simple programs Example 5 M9002 TO K2 K20 H10 Kl H10 BFM 20 to set the output modes To write in the data for CH1 to DO Range DO 0 4 000 To write in the data for CH2 to D1 D1 0 4 000 M9000 E TO K2 K21 DO K2 K DO BFM 1 gt CH1 0 10 V voltage output D1 BFM 2 gt CH2 4 20 mA current output To write 2 groups data into BFMs The data started from DO will be written into BFMs sequentially To appoint the beginning BFM will be written BFM 21 This module is installed in the 2 special module position In this program the BFM 20 H10 The digit 1 0 CH1 will be a0 10 V voltage output The digit 2 1 CH2 will be a 4 20 mA current output Operation procedure Turn OFF the power of the Main Unit and then connect the VB 6A VB 3A in the program this module is installed in the 2 special module position After that wire the I O and power lines of the module
10. 2 3 Sets the channel to voltage input mode 10 V 10 V Sets the channel to current input mode 4 mA 20 mA Sets the channel to current input mode 20 mA 20 mA Disables the channel Switching the output mode resets the I O characteristics to the factory set characteristics Refer to the section of lt lt Charts of A D Converter Characteristic gt gt Example Let the BFM 0 H 3210 _CH1 0 Voltage output 10 V 10 V CH2 1 Current output 4 mA 20 mA CH3 2 Current output 20 mA 20 mA CH4 3 Disabled The value of BFM 0 4 can be written from its Main Unit by using the TO instruction The value of BFM 5 8 can be read to its Main Unit by using the FROM instruction VIGOR ELECTRIC CORP VB 6A VB 3A Analog Input and Output Module BFM Description 9 To activate the excepted settings 10 The OFFSET value of the CH1 Default value KO 11 The GAIN value of the CH1 Default value K5 000 12 The OFFSET value of the CH2 Default value K0 13 The GAIN value of the CH2 Default value K5 000 14 The OFFSET value of the CH3 Default value K0 15 The GAIN value of the CH3 Default value K5 000 16 The OFFSET value of the CH4 Default value K0 17 The GAIN value of the CH4 Default value K5 000 18 When its b0 1 all the A D converted characteristics will be returned to the default values
11. B PWR via its extension cable o From a Main Unit The amount of Expansion Modules The amount of Special Modules X 2 lt 4 o From a Expansion Unit or VB PWR The amount of Expansion Modules The amount of Special Modules X 2 lt 12 e 24 V DC 420 VB 6A 210 mA VB 3A 160 mA Max for analog signal output Supplied from external power supply or 24V DC output of PLC lt lt 10 V Accurately Standard Voltage Output gt gt Output 10 V DC 0 5 60 mA Max lt lt Analog Input Performance Specification gt gt Voltage Input Current Input a Voltage or Current inputs are selected by BFM 0 and sliding switches Analog Input Range DC 10V 10V 20 mA 20 mA 4mA 20 mA Digital Output Range 2000 2000 2000 2000 0 2000 Input Resistance 200 kQ 250 Q Resolution 5 mV 10 pA Overall Accuracy 1 full scale Conversion Speed 0 5 ms x 1 4 activated point s Photocoupler isolation between analog and digital circuits Isolation DC DC converter isolates of power from its power source No isolation between analog channels Absolute Max Peak Rating 15V 32 mA lt lt Charts of A D Converter Characteristic gt gt The charts of several default A D converted characteristics Which can be adjusted by using the approach specified at Chapter 5 3 Defining OFFSET and GAIN of Analog Analog Input Mode 0 Voltage Input Mode 1 Current Input
12. BFM 19 and BFM 30 can be read to its Main Unit by using the FROM instruction e To adjust the conversion characteristics First the OFFSET value and GAIN value of the channel are required to be written in BFM 10 17 and then to trigger the corresponding bit in BFM 9 m Cautions The content value of BFM 0 OFFSET and GAIN settings BFM 10 17 of each channel will be kept in EEPROM of the module Also to reset the settings by BFM 18 will rewrite the data in EEPROM The rewrite times of EEPROM is 10 000 times approximately to operate those BFMs 0 10 17 and 18 should pay attention to this limitation of EEPROM e Writing data into an EEPROM will take longer time So between two rewrite commands for the EEPROM must make an interval more than one second VIGOR ELECTRIC CORP VB 6A VB 3A Analog Input and Output Module 5 2 Operation and Program Example About Analog Input To operate the input part of VB 6A VB 3A module by its default values can using the following simple example programs Example 1 M9002 TO K1 KO H0011 Kl H0011 BFM 0 to set the input modes M9000 BFM 1 D0 gt CH1 4 20 mA current input FROM KI K5 DO K4 BFM 2 D1 gt CH2 4 20 mA current input BFM 3 D2 gt CH3 10 10 V voltage input BFM 4 D3 gt CH4 10 10 V voltage input To read 4 groups data from BFMs The data in BFM
13. K10 K4 To set all the results of CH1 CH4 are from the averages of 10 times FROM K1 K5 DO K4 BFM 5 8 DO D3 Cautions Regarding Operation Check whether the input wiring and or expansion cables are properly connected on VB 6A VB 3A module Refer to the Chapter 3 Wiring Check that the VB system configuration rules have not been broken i e the number of modules does not exceed 8 Ensure that the correct input mode and switch position have been selected for the application Check there is no power overload on either the 5 V or 24 V lt lt Power Input Requirement gt gt remember the loading on the VB Main Unit or a powered extension unit varies according to the number of extension units or special function units connected VIGOR ELECTRIC CORP VB 6A VB 3A Analog Input and Output Module 5 3 Defining OFFSET and GAIN of Analog Analog Input 2000 2000 User Defining Convert gt S Characteristic GAIN 10 000 GAIN 4 000 Setting gt gt 1000 ame 0 1000 OFFSET 1 000 J J OFFSET 0 i x 5 000 E Y 5 T o0 0 F K S Z 3 Default Setting OFFEET 0 Modez 1000 1000 T va N 2000 OV ov 2000 OmA 10mA 20mA 15V 10V 5V 1V 4V 10V 15V 32mA 20mA mA 4 32mA min Analog Input Max min Analog Input Max A D Conversion Chart of Voltage Input Modes A D Conversion Chart of Circuit Input Modes The two diagrams above represent Analog to D
14. VIGOR ELECTRIC CORP VB 6A VB 3A Analog Input and Output Module VB 6A VB 3A Analog Input and Output Combined Module User Manual Foreword This manual contains text diagrams and explanations which will guide the reader in the correct installation safe use and operation of the VB 6A and VB 3A analog Input Output combined modules It should be read and understood before attempting to install or use the unit Further information can be found in the VIGOR M VB and VH series PLC PROGRAMMING MANUAL If in doubt at any stage during the installation of the VB 6A or VB 3A analog Input Output combined module always consult a professional electrical engineer who is qualified and trained to the local and national standards If in doubt about the operation or use of the VB 6A or VB 3A analog Input Output combined module please consult the nearest VIGOR ELECTRIC CORP distributor This manual is subject to change without notice Features The VB 6A provides 4 channels analog input and 2 channels analog output each I O has12 bit high precision resolution The VB 3A provides 2 channels analog input and 1 channel analog output each I O has12 bit high precision resolution The voltage 10 V 10 V or current 20 mA 20 mA input can be specified for each channel independently The voltage 0 V 10 V or current 4 mA 20 mA output can be specified for each channel independently The OFFSET and GAIN of each input output channe
15. b15 bO Digit 4 Digit 3 Digit 2 Digit 1 X XxX CH2 CH1 0 Sets the channel to hold the output value If the PLC RUN STOP 1 Sets the channel to the lowest output OFFSET value If the PLC RUN STOP Ex When the power of PLC is kept ON and switched the Main Unit RUN STOP If BFM 23 H00 gt Both the CH2 amp CH1 will hold their output If BFM 23 H01 gt The CH2 will hold its output the CH1 s output OFFSET value If BFM 23 H10 gt The CH2 s output OFFSET value the CH1 will hold its output If BFM 23 H11 gt Both the output of CH2 amp CH1 their own OFFSET values The value of BFM 20 23 can be written from its Main Unit by using the TO instruction VIGOR ELECTRIC CORP VB 6A VB 3A Analog Input and Output Module BFM Description 24 To activate the excepted settings 25 The OFFSET value of the CH1 Default value KO 26 The GAIN value of the CH1 Default value K5 000 27 The OFFSET value of the CH2 Default value KO 28 The GAIN value of the CH2 Default value K5 000 29 When its b0 1 all the A D converted characteristics will be returned to the default values 30 Model code VB 6A K103 VB 3A K104 Read only When to trigger the BFM 29 b0 1 all the analog to digital converted characteristics including CH1 amp CH2 will be returned to the default values If a user sets incorrect convert
16. e Main Unit via buffer memories BFM BFM Description 20 Output mode select Default value H00 with latch function 21 CH 1 Output dat ee Default value 0 when the PLC power OFF ON 22 CH 2 Output data 23 Data holding mode Default value H00 with latch function The value of BFM 20 switches the analog output between voltage and current on each channel It takes the form of a 2 digit hexadecimal number The first digit will be the command for the channel 1 CH1 and the second digit is for the channel 2 CH2 The numeric values of these 2 digits respectively represent the following items BFM 0 HOO gt When TT O O b15 bO Digit 4 Digit 3 Digit 2 Digit 1 x x CH2 CH1 0 Sets the channel to voltage output mode 0 V 10V 1 Sets the channel to current output mode 4 mA 20 mA Switching the output mode resets the I O characteristics to the factory set characteristics Refer to the section of lt lt Charts of D A Converter Characteristic gt gt Example Let the BFM 0 H 1 0 CH1 0 Voltage output 0 V 10 V H2 1 Current output 4 mA 20 mA While the programmable controller is in the STOP mode the last output value in the RUN mode could be hold To write a hexadecimal value in BFM 23 as follows can choose its analog output status at the RUN STOP condition BFM 5 HOO gt T
17. ed characteristics to the module to trigger the BFM 29 bO 1 which can reset all the converted characteristics back to their default settings When to trigger the BFM 24 b1 b0 1 1 the content values of BFM 25 and 26 which are the converted characteristics for CH1 will be activated and recorded to the EEPROM And so forth the b3 b2 in the BFM 24 can use the same effect on the CH2 which may be set up the CH1 amp CH2 respectively or simultaneously b3 b0 G2 O2 GI OL lt BFM 24 L To set up the new OFFSET value of the CH1 To set up the new GAIN value of the CH1 To set up the new OFFSET value of the CH2 To set up the new GAIN value of the CH2 The settings of BFM 25 28 shall be in the unit of mV or pA which are specified by the input mode of BFM 20 The BFM 24 29 can be written from its Main Unit by using the TO instruction the BEM 30 can be read to its Main Unit by using the FROM instruction To adjust the conversion characteristics First the OFFSET value and GAIN value of the channel are required to be written in BFM 25 28 and then to trigger the corresponding bit in BFM 24 m Cautions e The content value of BFM 20 BFM 23 OFFSET and GAIN settings BFM 25 28 of each channel will be kept in EEPROM of the VB 6A VB 3A module Also to reset the settings by BFM 29 will rewrite the data in EEPROM The rewrite times of EEPROM is 1
18. eft side of the module m CH2 CH3 CH4 By referring to the switch diagram E i P i The upper OFF position is for the voltage mode ON 1 2 3 4 The lower ON position is for the current mode If there is excessive electrical noise connect the FG frame ground terminal with the grounded terminal on the VB 6A VB 3A Connect the ground terminal on the VB 6A VB 3A module with the grounded terminal to the Main Unit Use class 3 grounding on the Main Unit if available If a voltage ripple occurs during input or there is electrically induced noise on the external wiring parallel connect with a smoothing capacitor 0 1 0 47uF 25 V VIGOR ELECTRIC CORP VB 6A VB 3A Analog Input and Output Module 3 2 Terminal Layouts of Analog Output Part Analog Input Output Module Voltage Output 2 OV 10V CH1 ae Shielisdcabie ai Inverter Recorder IOUT1 Proportion valve etc COM Current Output 4mA 20mA CH2 Inverter Recorder Shielded cable 1 Proportion valve etc To Main Unit 7 terminal Class 3 Grounding 1000 or less 1 Please use the Shield Twisted Pair isolation cable for each analog output channel and keep the cable away from the electromagnetic interference source ex power lines or any other lines which may induce electrical noise Apply 1 point grounding at the load side of the output cable class 3 grounding 100 Q or less 2 If electrical
19. ic charts of the voltage output mode and the circuit output mode Users may adjust those conversion characteristic charts depending on actual needs for particular application To change the OFFSET value and GAIN value the adjustment principles are specified as follows OFFSET is the Position of the calibrated line identified at a digital input value of 0 The unit is mV or pA Analog Output a Positive offset b Zero offset default 0 V 4 mA OFFSET value a Available range of OFFSET Voltage output 0 V 0 5 V 5 000 4 Current output 0 mA 0 20 mA 20 000 0 b Digital Input GAIN determines the angle or slope of the calibration line identified at a digital input value of 2000 The unit is mV or pA default 5_V or 12 mA GAIN value f s gt gt __ Let OFFSET 0 Analg Outputt u 7O c Large gain Large steps in analog outputs A d Medium gain SOA a e Small gain Small steps in analog outputs S 4 Available range of GAIN te Voltage output 1V 1 000 15V 15 000 OFFEST Current output 4mA 4 000 32mA 32 000 OFFSET 0 2000 Digital Input OFFSET and GAIN values can be set independently or together And the values can be adjusted by user program in the VB series Main Unit see the program Example 7 VIGOR ELECTRIC CORP VB 6A VB 3A Analog Input and Output Module The following example is for defining the OFFSET and
20. igital conversion characteristic charts of the voltage input mode and the circuit input mode Users may adjust those conversion characteristic charts depending on actual needs for particular application To change the OFFSET value and GAIN value the adjustment principles are specified as follows OFFSET is the Position of the calibrated line identified at a digital output value of 0 The unit is mV or pA Digital Output a Negative offset b Zero offset default 0 V 0 mA or 4 mA c Positive offset OFFSET value Available range of OFFSET 0 5 c Voltage input 5 V 5 000 5 V 5 000 Analog Input Current input 20 mA 20 000 20 mA 20 000 0 GAIN determines the angle or slope of the calibration line identified at a digital output value of 1000 The unit is mV or pA Digital Output f 4 Let the value of OFFSET 0 rue d Small gain Large steps in digital readings e Medium gain f Large gain Small steps in digital readings 0 Available range of GAIN Pa HO de aad Voltage input 1 V 1 000 15V 15 000 OFFEST okies inal Input gt Current input 4mA 4 000 32mA 32 000 OFFSET GAIN value default 5 V 10 mA or 12 mA OFFSET and GAIN values can be set independently or together And the values can be adjusted by user program in the VB series Main Unit see the program Example 3 and 4 VIGOR ELECTRIC CORP VB 6A VB 3A Analog Inp
21. l can adjust independently Equipped with a 10 V DC accurately standard voltage output 60 mA Max offers reference power source for the linear potentiometer Photocoupler isolation between input analog signals and digital PLC circuits Inner DC to DC isolated converter supplies the clean power VIGOR ELECTRIC CORP VB 6A VB 3A Analog Input and Output Module Instruction VB 6A Analog Input Output Combined Module contains 4 channels of analog inputs and 2 channels of analog outputs Each input channel receives an external analog either voltage or current signal then converts that to a 12 bit digital data for the PLC And each output channel receives a 12 bit digital signal from the PLC then converts that to an analog either voltage or current signal output VB 3A Analog Input Output Combined Module contains 2 channels of analog inputs and 1 channel of analog output Each input channel receives an external analog either voltage or current signal then converts that to a 12 bit digital data for the PLC And the output channel receives a 12 bit digital signal from the PLC then converts that to an analog either voltage or current signal output e Through the operation of the FROM TO instruction such digital data can be transferred for monitoring the status and inputs of module and furthermore data from the VB Series Main Unit for relative analog control output s Please read this user manual carefully before using the VB 6A or VB
22. odule provides 4 channels analog input they are CH1 CH4 the VB 3A module provides 2 channels analog input they are CH1 amp CH2 So when operating the VB 3A module please refer to the parts about CH1 amp CH2 5 1 Allocation of Buffer Memory BFM About Analog Input Data is transmitted between the VB 6A VB 3A and the Main Unit via buffer memories BFM BFM Description 0 To organize the input mode of CH 1 CH 4 with latch function Default value H0000 1 CH 1 2 CH 2 Contains the number of samples to be used for an averaged result The available rang is K1 K32 767 otherwise K32 3 CH 3 Default value K32 when the PLC power OFFON 4 ICH 4 5 CH 1 6 CH 2 These BFMs contain the averaged input values for the number of samples entered they are from the channels CH1 CH4 and bring the values of BFM 7 CH 3 1 4 out respectively Read only 8 CH 4 The value of BFM 0 switches the modes between voltage or current analog input on each channel It takes the form of a 4 digit hexadecimal number The first digit will be the command for channel 1 CH1 and the second digit for channel 2 CH2 and so forth The numeric values of these four digits respectively represent the following items b15 bO BFM 0 HOQOO gt Digit 4 Digit 3 Digit 2 Digit 1 TETT p CH4 CH3 CH2 CHI When IOo lO IO IO O 0 1
23. s will be written into registers sequentially which are started from DO To appoint the beginning BFM will be read BFM 5 It is installed in the 1 special module position e At this program the CH1 and CH2 are assigned to the 4 20 mA current inputs the CH3 and CH4 are assigned to the 10 10 V voltage inputs Since the program doesn t give the average times for results the results will be generated from the average of 32 times Operation procedure First at all to adjust the appropriate position of sliding switch on the module for each channel which is located on the left side of the module Turn OFF the power of the Main Unit and then connect with the VB 6A VB 3A module After that wire the I O and power lines of the module Set the Main Unit to STOP and turn ON the power To download the above program then switch the Main Unit to RUN Analog value of input channels will be read from the module and put the values to DO BFM 1 D1 BFM 2 D2 BFM 3 and D3 BFM 4 in the Main Unit To check the digital values of DO D1 D2 and D3 those are the analog inputs of VB 6A VB 3A Example 2 M9000 FROM K1 K30 D10 K1 From the BFM 30 to read the model code CMP K103 D10 MO M1 will be turned ON when the code K103 M1 TOP K1 KO HI11ll KI H1111 BFM 0 All the CH1 CH4 4 20 mA current input m TOP K1 K1
24. sions Jageae Reen An C 24V_IN _ COM VOUTI _IOUTI 10V OUT VOUT I0UT2 PEEEET Perek E Q lt o amp 0 a N N lt o L fe a En PROGRAMMABLE CONTROLLER AO MODULE Al 3 J 3 we ae To Main Unit x DN L VIGOR ELECTRIC CORP VB 6A VB 3A Analog Input and Output Module Wiring 3 1 Terminal Layouts of Analog Input Part Analog Input Output Module Voltage Input 10V 10V 2502 100K CHI amp Current Input F CH2 c 20mA 20mA CH4 CH3 A or 4mA 20mA cHa f gt p 2 i terminal 15V AG 15V DC DC Converter N 4 Class 3 Grounding 100 Q or less Please use the Shield Twisted Pair isolation cable for each analog input channel and keep the cable away from the electromagnetic interference source ex power lines or any other lines which may induce electrical noise Apply 1 point grounding at the FG frame ground terminal on the module Please pay attention to the following keynotes when to decide the input voltage or current of each channel Adjust the appropriate mode setting of BFM 0 for each channel please refer to Chapter 5 1 Allocation of Buffer Memory BFM About Analog Input Adjust the appropriate position of sliding switch for each channel which is located on the l
25. ut and Output Module The following examples are for defining the OFFSET and GAIN values Example 3 Via the program to set the CH1 s OFFSET 0 V and GAIN 2 5 V M9002 TO K1 KO HO Kl X0 TOP K1 K10 KO Kl TOP K1 K11 K2500 K1 TOP K1 K9 H3 Kl H0 BFM 0 All theCH1 CH4 10 10 V voltage input CH1 s OFFSET BFM 10 0 0 V CH1 s GAIN BFM 11 2 500 2 500 mV 2 5 V Let the BFM 9 b1 b0 1 1 to active the effect for CH1 s BFM 10 amp 11 Example 4 Via the program to set the CH2 s OFFSET 2 mA and GAIN 18 mA M9002 TO K1 KO H2222 K1 X0 TOP K1 K12 K2000 K1 TOP K1 K13 K18000 K1 TOP K1 K9 HC Kl H2222 BFM 0 All theCH1 CH4 20 20 mA current input CH2 s OFFSET BFM 12 2 000 2 000 uA 2 mA CH2 s GAIN BFM 13 18 000 18 000 pA 18 mA Let the BFM 9 b3 b2 1 1 to active the effect for CH2 s BFM 12 amp 13 VIGOR ELECTRIC CORP VB 6A VB 3A Analog Input and Output Module 6 Analog Output Operating Instruction The VB 6A module provides 2 channels analog output they are CH1 amp CH2 the VB 3A module provides 1 channel analog output it is the CH1 So when operating the VB 3A module please refer to the parts about CH1 6 1 Allocation of Buffer Memory BFM About Analog Output Data is transmitted between the VB 6A VB 3A and th
Download Pdf Manuals
Related Search