F2-8AD4DA--1 8-Ch. In / 4-Ch. Out Analog Current Comb.
Contents
1. Execute Application Program Read the data Scan N lt Ch1 2 3 7 8 Scan N 1 lt Ch 1 2 3 7 8 Store data Scan N 2 amp Ch1 2 3 7 8 Vv Scan N 6 Ch1 2 3 7 8 Write to Outputs wo y Scan N 7 amp Ch1 2 3 7 8 el S 1 Scan System with analog P module installed in expansion remote I O Read Inputs y or Profibus slave base Execute Application Program Read the data ScanN lt Ch1 Scan N 1 lt Ch2 Store data Scan N 2 amp Ch3 y Scan N 6 lt Ch7 Write to Outputs Me y Scan N 7 Ch8 p Sq 5 PE iw 9 gt o7 S DL205 Analog Manual 7th Ed Rev B 4 10 F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Output Channel Update Sequence Pointer Method If this module is installed in a local CPU base you can update all four output channels in every scan However you can update only one channel of output data per scan if the module is installed in an expansion remote I O or Profibus slave base The timing is synchronized with the timing of reading the input channels so you can update each output channel data every eight scans Scan a Read inputs Execute Application Program Calculate the data H2. Write data H m 9 y b y Scan N Scan N 1 Scan N 2 Scan N 3 Scan N 4 Write to outputs J c d Ti oF l Scan Da Read Inputs v 9 Execute Application Program Read the data System with analog module installed in local CPU base Ch 1 2 3 4 Ch 1 2 3 4 Ch 1 2 3 4 Ch 1 2 3 4 pyyy 4 Ch 1 2 3 4 System with analog module installed in expansion remote I O or Profibus slave base Scan N Ch1 5 Bo TOE 5 q4 Y Qa qc oO ee Eo oe DL205 Analog Manual 7th Ed Rev B 4 10 Store data y Write to Outputs So J Scan N 1 gt Scan N 2 y Scan N 3 Scan N 6 Scan N 7 Ch 2 Ch3 Ch4 Scan N 8 Ch 1 F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Understanding The F2 8AD4DA 1 module appears to the CPU as 32 discrete input and 32 the I O discrete output points These points provide the data value channel identification Assignments and settings for resolution range and track and hold feature You may never have to use these bits but it may help you understand the data format Since all input and output points
3. equation shown Digital and Analog Sometimes it is useful to be able to quickly convert between the signal levels and Output Data Value the digital values This is especially helpful during machine startup or Conversion troubleshooting The table provides formulas to make this conversion easier A Amin D Amax Amin Dmax A Analog current output value D A Amin Dmax Amax Amin Amax Maximum analog value e Amin Minimum analog value e D Digital value from PLC CPU e Dmax Maximum digital value Resolu Output If you know the digital If you know the analog tion Range value signal level 16 bit 0 65535 A 4 D 16 65535 D A 4 65535 16 For example if you need to produce an 65535 analog output signal of 10mA you could D 10 4 6 use the formula to easily determine the digital value D that should be stored in D 6 4095 94 the V memory location that contains the data for output D 24576 Output Value The following table shows how the input analog digital and engineering unit values Comparisons are related to each other The example is a measurement of pressure from 0 0 to Analog Digital 140 0 PSI using a multiplier of 10 for one implied decimal place Engineering Units Analog _ Digital mA 16 Bit 65535 1400 32768 700 C C p Sq 5 PE iw 9 gt o S DL205 Analog Manual 7th Ed Rev B 4 10 5 ae I 5 q4 Y a qc oO lt i
4. TOE 5 q4 Y Qa qc oO ee EO oe F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Scaling the Input Data Most applications require measurements in engineering units which provide more meaningful data This can be accomplished by using the conversion formulas shown below EU A Aoffset EUH a EUL Amax T Aoffset EU D Dofttset EUH EUL Dmax Dottset e A analog value from current transmitter Adofttset 4mA offset when using 4 20mA current transmitter e D digital value of input provided to PLC CPU Dofttset digital value of 4mA offset with 4 20mA current transmitter e EU engineering units e EUx engineering units high value e EU engineering units low value The following examples show a 16 bit measurement of pressure PSI from 0 0 to 140 0 You need to multiply the analog value by 10 in order to imply a decimal place when you view the value with the programming software or a handheld programmer Notice how the calculations differ when you use the multiplier Analog Value of 12 6mA 4 20mA transmitter 16 bit resolution should yield 75 2 PSI Example without multiplier Example with multiplier _ E EU EU _ _ EU EU EU D Dotiset D max _ Dia EU 10 D Dorset D max D offset z ee o i EU 41287 13107 65535 13107 EU 10 41287 13107 65535 13107 EU 75 EU 752 Handheld Display Handheld Display V 2001 V
5. 45mA 18 to 26 4VDC Active low pass 3dB 80Hz 8 channels per scan max with pointers local base 2ms 12bit 5 52ms 14bit 23ms 16bit 12 bit 1 5ms per channel 14 bit 6ms per channel 16 bit 25ms per channel 25ppm C max 0 025 of range after 30 minute warm up 0 1 of range max 12 bit 2 count max 0 06 of range 14 bit 10 count max 0 06 of range 16 bit 40 count max 0 06 of range Monotonic with no missing codes 0 07 of range max 0 03 of range max 90dB min DC 150dB min 50 60Hz 0 025 of range max DC 50 60Hz 0 032A Littelfuse series 217 fast acting current inputs Note 1 The values listed for Sample Duration Time and Conversion Time are for a single channel and do not include PLC scan times DL205 Analog Manual 7th Ed Rev B 4 10 p Sq 5 RE J o gt o7 S F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Output e Specifications 0 5ms max 5us min full scale change Accuracy vs Temperature 25ppm C max full scale calibration change 0 0025 of range C Output Stability and Repeatability 1 LSB after 10 minute warm up typical Output Inaccuracy 0 1 of range max Linearity Error end to end 33 count max 0 05 of full scale eo Monotonic with no missing codes Full Scale Calibration Error 0 07 of range max Offset Calibration Error 0 03 of range max Crosstalk at DC 50 60Hz 70
6. For example aOmA signal would be 0 anda 20mA signal would be 65535 This is equivalent to a binary value of 0000 0000 0000 0000 to 1111 1111 1111 1111 or 0000 to FFFF hexadecimal The diagram shows how this relates to the signal range Each count can also be expressed in terms of the signal level by using the equation shown DL205 Analog Manual 7th Ed Rev B 4 10 0 20mA 12 Bit Resolution 20mA ie OmA 0 4095 H L 12 Bit Resolution 4095 H high limit of the signal range L low limit of the signal range 20mA 4095 4 88uA per count 0 20mA 14 Bit Resolution 20mA ae OmA 0 16383 eo H L 14 Bit Resolution 16383 H high limit of the signal range L low limit of the signal range 20mA 16383 1 22uA per count 0 20mA 20mA 16 Bit Input Resolution OmA 0 65535 f sen HL 16 Bit Resolution 65535 H high limit of the signal range L low limit of the signal range 20mA 65535 0 305uA per count Analog and Digital Input Data Value Conversion Input Value Comparisons Analog Digital Engineering Units F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Sometimes it is useful to be able to quickly convert between the signal levels and the digital values This is especially helpful during machine startup or troubleshooting The table provides formulas to make this conversion easier A D Amax Dmax e A Ana
7. This rung not used if input transmitter is 0 20mA LD Load input channel 1 digital value into accumulator f V2000 If input not less than 4mA BTOR Convert from binary to real data format Subtract 13107 SUBR 16 bit digital value for 4mA offset R13107 Use R3277 for 14 bit R819 for 12 bit This rung not used if input transmitter is O0 20mA MULR Multiply by 1400 R1400 EU range X 10 for implied decimal Divide by 5248 DIVR 16 bit digital range for 4 20mA R52428 Use R13106 for 14 bit R3276 for 12 bit For 0 20mA xmitter use 16 bit R65535 14 bit R16383 12 bit R4095 RTOB Convert to binary data format yoke Store input EU value in V2100 co Load value of 0 into accumulator ko If input less than 4mA This rung not used if input transmitter is 0 20mA OUT Store value of 0 in V2100 V2100 This rung not used if input transmitter is O 20mA The input Track and Hold feature allows the individual inputs to be separately configured to maintain their maximum or minimum data values If No Track and Hold is selected the present real time value of the input will be stored in the input data V memory location If Track and Hold Minimum Value is selected the first input value less than or equal to full scale will be read and maintained until a lower value is measured or until Track and Hold is Reset If Maximum Value is selected the first input value greater than or equal to zero will be read and maintained until a
8. 2000 V 2001 V 2000 0000 0075 0000 0752 This value is more accurate NOTE Binary data format is recommended for 14 or 16 bit resolution input data especially ifthe input data is to be used in any math instructions DL205 User Manual ch 5 There is only one V memory word 16 bits available for the actual input data Although the 12 bit resolution maximum value of 4095 can be stored in one word using either binary or BCD formats the 14 and 16 bit resolution maximum values of 16383 and 65535 both exceed the BCD format s maximum single word capacity of 9999 Double word math would be required for 14 or 16 bit data in BCD format Binary data format is also useful for displaying data on some operator interfaces DL205 Analog Manual 7th Ed Rev B 4 10 F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Input Engineering Unit Conversion Example 1 Data Format BCD Channel 1 data memory location V2000 Channel 1 resolution 12 bits Channel 1 engineering units 0 0 to 140 0psi Channel 1 input device 0 to 20mA transmitter Note this example uses SP1 which is always on as a permissive contact for the engineering unit conversion You could also use an X C etc permissive contact SP1 LD R F et Vv2000 Load input channel 1 digital value into accumulator MUL Multiply by 1400 K1400 EU range X 10 for implied decimal DIV Divide by 4095 K4095 12 bit
9. 6L 5H 5L 4H 4L 3H 3L 2H 2L 1H o Sq 5 zE iw o gt o7 S a ae E a E E DL205 Analog Manual 7th Ed Rev B 4 10 15 16 F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Writing the Control Program 5 Bo TOE 5 q4 Y Qa qc oO ee EO 00 Configuring the Module to Read Write I O Pointer Method XIXISJ lv 230 240 250 1 260 These example programs show how to configure the special V memory locations to read write data from to the I O module The module configuration rung needs to be read by the CPU only after a mode transition and does not need to be read every scan Place the configuration rung anywhere in the ladder program or in the initial stage if you are using stage programming instructions This is all that is required to read the input data and write the output data to from the V memory locations Once the input data is in V memory you can perform math on the data compare the data against preset values and so forth V2000 and V2020 are used as the beginning of the data areas in the example but you can use any user V memory locations Also these examples assume that the module is installed in slot 3 of the CPU base You should use the pointer V memory locations determined by the layout of your application DL205 Analog Manual 7th Ed Rev B 4 10 15 17 F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Module
10. OUT Special V memory location assigned to slot 3 that contains the V7663 number of input and output channels This constant designates the first V memory location that will be LDA used to store the input data For example the 02000 entered here 02000 would mean Ch1 V2000 V2001 Ch2 V2002 V2003 Ch3 V2004 V2005 Ch4 V2006 V2007 For each channel the 1st word holds the data and the 2nd word is needed only when displaying 14 or 16 bit data in BCD format The 2nd word contains the most significant digit in those cases The constant 02000 is stored here V7673 is assigned to slot 3 and acts as a pointer which means the CPU will use the value in this location to determine exactly where to store the incoming data OUT V7673 This constant designates the first V memory location that will be LDA used for the analog output data For example the 02020 entered 02020 here would mean Ch1 V2020 V2021 Ch2 V2022 V2023 For each channel the 1st word holds the data and the 2nd word is needed only when displaying 14 or 16 bit data in BCD format The 2nd word contains the most significant digit in those cases The constant 02020 is stored here V7703 is assigned to slot 3 and acts as a pointer which means the CPU will use the value in this location to determine exactly where to obtain the output data OUT V7703 Loads a constant that specifies the resolutions for ea
11. V36312 V36313 V36314 V36315 V36316 V36317 V36320 V36321 V36322 V36323 V36324 V36325 V36326 V36327 Input Resolutions V36330 V36331 V36332 V36333 V36334 V36335 V36336 V36337 Reserved V36340 V36341 V36342 v36343 v36344 v36345 V36346 V36347 Input Track amp Hold V36350 V36351 V36352 V36353 V36354 V36355 V36356 V36357 Number of I O Load this V memory location with a constant that specifies the number of enabled Channels Enabled O channels and their data formats The upper byte applies to the inputs and the amp Data Format lower byte applies to the outputs The most significant nibbles specify the data formats and the least significant nibbles specify the number of channels enabled No Channels Enabled BCD Input 5 Bo TOE 5 q4 Y Qa qc oO ee ai oe Binary Input BCD Output Binary Output DL205 Analog Manual 7th Ed Rev B 4 10 F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination 15 15 Input Resolution Each of the eight input channels can be individually disabled or configured for 12 Selection Bits 14 or 16 bit resolution V36403 specific memory location varies depending upon base and slot location FS Eee e a a Ea R R R R R R R R R R R R R R R R 8H 8L 7H 7L 6H 6L 5H 5L 4H 4L 3H 3L 2H 2L 1H L RnH Resolution channel n High bit RnL Resolution channel n Low bit Input Reso
12. also useful for displaying data on some operator interfaces p Sq 5 zE J 9 gt o S DL205 Analog Manual 7th Ed Rev B 4 10 15 20 F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination 5 230 I 5 q4 Y a qc oO lt i ce Module 12 Bit Input Resolution Module 14 Bit Input Resolution Module 16 Bit Input Resolution When the module 0 20mA inputs are configured for 12 bit resolution the analog signal is converted into 4096 212 counts ranging from 0 4095 For example aOmA signal would be 0 anda 20mA signal would be 4095 This is equivalent to a binary value of 0000 0000 0000 to 1111 1111 1111 or 000 to FFF hexadecimal The diagram shows how this relates to the signal range Each count can also be expressed in terms of the signal level by using the equation shown When the module 0 20mA inputs are configured for 14 bit resolution the analog signal is converted into 16384 214 counts ranging from 0 16383 For example aOmA signal would be 0 anda 20mA signal would be 16383 This is equivalent to a binary value of 00 0000 0000 0000 to 11 1111 1111 1111 or 0000 to 3FFF hexadecimal The diagram shows how this relates to the signal range Each count can also be expressed in terms of the signal level by using the equation shown When the module 0 20mA inputs are configured for 16 bit resolution the analog signal is converted into 65536 216 counts ranging from 0 65535
13. ce F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Calculating the Digital Output Value Calculating Output Data Engineering Units Conversion Your program must calculate the digital D max value to send to the 16 bit analog output D EU EQ EU module There are many ways to do this i but most applications are understood D digital value more easily if you use measurements in engineering units This is accomplished E S by using the conversion formula shown U engineering unit range EU engineering units high limit You may have to make adjustments to E enoineering nitranoe the formula depending on the scale you z o limit g g choose for the engineering units Consider the following example which controls pressure from 0 0 to 140 0 PSI By using the formula you can determine the digital value that should be sent to the module The example shows the conversion required to yield 52 5 PSI Notice the formula divides by 10 because the BCD representation of 52 5 includes a multiplier of 10 to allow for the implied decimal The division corrects for the multiplier _ Dwe _ 65535 E D 10EU i0 EU EU D 525 10 140 D 24576 The example program shows how you would write the program to perform the engineering unit conversion to output 16 bit data format 0 65535 This example assumes you have calculated or loaded the engineering unit values including a multiplier of 10 in BCD
14. each of the eight input channels for no track and hold LD KO Special V memory location assigned to slot 3 that contains the track OUT and hold settings for each of the input channels V36423 NOTE Binary data format is recommended for 14 or 16 bit resolution input data especially ifthe input data is to be used in any math instructions DL205 User Manual ch 5 There is only one V memory word 16 bits available for the actual input data Although the 12 bit resolution maximum value of 4095 can be stored in one word using either binary or BCD formats the 14 and 16 bit resolution maximum values of 16383 and 65535 both exceed the BCD format s maximum single word capacity of 9999 Double word math would be required for 14 or 16 bit data in BCD format Binary data format is also useful for displaying data on some operator interfaces p Sq 5 zE J 9 gt o S DL205 Analog Manual 7th Ed Rev B 4 10 F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Module Configuration Example 2 Number of Channels 4 in 4 out Data Format binary in BCD out Input Resolution 14 bit Input Track and Hold all inputs maximum value SPO Loads a constant that specifies the number of channels to scan and ka 404 the data format See note below regarding data format The upper byte applies to the inputs The most significant nibble MSN selects the data format
15. format and stored it in V2120 for output channel 1 Output Engineering Unit Conversion Output Data Calculation Example Data Format binary Channel 1 data memory location V2020 Channel 1 engineering units 0 to 140psi Note this example uses SP1 which is always on as a permissive contact for the engineering unit conversion You could also use an X C etc permissive contact SP1 LD Load output channel data value into accumulator V2120 BCD EU value X 10 for implied decimal BIN Convert from BCD to binary data format Multiply by 65535 MULE FFFF hex 65535 16 bit maximum digital value Divide by 1400 RoE 578 hex 1400 EU range X 10 for implied decimal OUT idi i v2020 Store output digital value in V2020 DL205 Analog Manual 7th Ed Rev B 4 10
16. higher value is measured or until Track and Hold is Reset To Reset Track and Hold write a value of one to the Track and Hold selection high and low bits When Track and Hold is Reset the module will display the real time input value When the selection is changed from Reset to Minimum Value or Maximum Value the input will start over as described previously DL205 Analog Manual 7th Ed Rev B 4 10 p Sq 5 pE J o gt o7 S F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Track and Hold Example Number of Channels 1 in 1 out Data Format binary in binary out Input Resolution 16 bit Input Track and Hold channel 1 reset ae LD Rung 1 Module Configuration K8181 Input binary data format 1 channel Output binary data format 1 channel OUT Module location local base slot 3 V7663 Input data 1st memory location V2000 Output data 1st memory location V2020 LDA Input resolution 16 bit channel 1 02000 Input Track and Hold reset channel 1 OUT V7673 LDA 02020 OUT V7703 LD K2 OUT V36403 LD K3 OUT V36423 LD C1 loads value of 2 binary 10 into the Track and Hold Selection I I K2 register This sets input channel 1 for Track and Hold Maximum Value As the analog value varies only a measured value high
17. significant digit in those cases The constant 02020 is stored here V7703 is assigned to slot 3 and acts as a pointer which means the CPU will use the value in this location to determine exactly where to obtain the output data OUT V7703 Loads a constant that specifies the resolutions for each of the input LD channels This constant is determined by the values of two bits per K5555 channel as shown previously in Input Resolutions Selection Bits The constant 5555 hex configures each of the eight input channels for 14 bits Special V memory location assigned to slot 3 that contains the eee resolution settings for each of the input channels Loads a constant that specifies the track and hold settings for each LD of the input channels This constant is determined by the values of KAAAA two bits per channel as previously shown in Track and Hold Selection Bits The constant AAAA hex configures each of the eight input channels to track and hold the maximum value Special V memory location assigned to slot 3 that contains the track and hold settings for each of the input channels OUT V36423 NOTE Binary data format is recommended for 14 or 16 bit resolution input data especially ifthe input data is to be used in any math instructions DL205 User Manual ch 5 There is only one V memory word 16 bits available for the actual input data Altho
18. 0 BCD 8 Binary and the LSN selects the number of channels 1 2 3 4 5 6 7 or 8 to scan The lower byte applies to the outputs The most significant nibble MSN selects the data format 0 BCD 8 Binary and the LSN selects the number of channels 1 2 3 or 4 to scan OUT Special V memory location assigned to slot 3 that contains the V7663 number of input and output channels This constant designates the first V memory location that will be LDA used to store the input data For example the 02000 entered here 02000 would mean Ch1 V2000 V2001 Ch2 V2002 V2003 Ch3 V2004 V2005 Ch4 V2006 V2007 For each channel the 1st word holds the data and the 2nd word is needed only when displaying 14 or 16 bit data in BCD format The 2nd word contains the most significant digit in those cases The constant 02000 is stored here V7673 is assigned to slot 3 and acts as a pointer which means the CPU will use the value in this location to determine exactly where to store the incoming data OUT V7673 This constant designates the first V memory location that will be LDA used for the analog output data For example the 02020 entered 02020 here would mean Ch1 V2020 V2021 Ch2 V2022 V2023 Ch3 V2024 V2025 Ch4 V2026 V2027 For each channel the 1st word holds the data and the 2nd word is needed only when displaying 14 or 16 bit data in BCD format The 2nd word contains the most
19. 30 V2000 K819 co CO is on when analog input is less than 4mA I lt 7 819 4mA 12 bits I ouT This rung not used if input transmitter is O0 20mA Co LD Load input channel 1 digital value into accumulator H V2000 If input not less than 4mA SUB Subtract 819 2030 12 bit digital value for 4mA offset This rung not used if input transmitter is O 20mA MUL Multiply by 1400 K1400 EU range X 10 for implied decimal Divide by 3276 Ea 12 bit digital range for 4 20mA For 0 20mA xmitter use 4095 ne Store input EU value in V2100 co Load value of 0 into accumulator o If input less than 4mA This rung not used if input transmitter is 0 20mA OUT Store value of 0 in V2100 V2100 This rung not used if input transmitter is O0 20mA 5 230 I 5 q4 Y a qc oO lt i ce DL205 Analog Manual 7th Ed Rev B 4 10 Using the Input Track and Hold Feature F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Input Engineering Unit Conversion Example 4 Data Format binary Channel 1 data memory location V2000 Channel 1 resolution 16 bits Channel 1 engineering units 0 0 to 140 0psi Channel 1 input device 4 to 20mA transmitter V2000 K3333 CO CO is on when analog input is less than 4mA lt OUT 3333 hex 13107 4mA 16 bits I te Use KCCD for 14 bit K333 for 12 bit co
20. Configuration Example 1 Number of Channels 8 in 4 out Data Format binary in BCD out Input Resolution 16 bit Input Track and Hold none real time value SPO Loads a constant that specifies the number of channels to scan and Koni 4 the data format See note below regarding data format The upper byte applies to the inputs The most significant nibble MSN selects the data format 0 BCD 8 Binary and the LSN selects the number of channels 1 2 3 4 5 6 7 or 8 to scan The lower byte applies to the outputs The most significant nibble MSN selects the data format 0 BCD 8 Binary and the LSN selects the number of channels 1 2 3 or 4 to scan OUT Special V memory location assigned to slot 3 that contains the V7663 number of input and output channels LDA This constant designates the first V memory location that will be 02000 used to store the input data For example the 02000 entered here would mean Ch1 V2000 V2001 Ch2 V2002 V2003 Ch3 V2004 V2005 Ch4 V2006 V2007 Ch5 V2010 V2011 Ch6 V2012 V2013 Ch7 V2014 V2015 Ch8 V2016 V2017 For each channel the 1st word holds the data and the 2nd word is needed only when displaying 14 or 16 bit data in BCD format The 2nd word contains the most significant digit in those cases The constant 02000 is stored here V7673 is assigned to slot 3 and acts as a pointer which means the CPU will use the value
21. DL205 Analog Manual 7th Ed Rev B 4 10 F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Expansion Base D2 CM 2 Analog In Out Module Slot Dependent V memory Locations 3 o1 2 No of I O Channels Enabled amp Format 36100 V36101 V36102 V36103 V36104 V36105 V36106 V36107 z 3 e7 Paa E Input Resolutions V36134 V36137 V36153 V36156 7 Input Track amp Hold V36150 V36151 V36152 V36153 V36154 V36155 V36156 V36157 3 Enabled amp Format 0 2 No of I O Channels Y36200 v36201 va6e202 v36203 v36204 v36205 V36206 V36207 Input Resolutions V36230 V36231 V36232 V36233 V36234 V36235 V36236 V36237 Reserved V36240 V36241 V36242 V36243 V36244 V36245 V36246 V36247 2 ne mf Input Pointer V36213 V36214 V36215 V36216 V36217 vae220 va6221 V V36231 V36241 Ee veer Vasra Vasaa Vasa Vasa Ga v na vaez24 vasaa Vasa vasaa C 6 V36213 V36216 Output Pointer V36221 V36224 36227 V36233 V36236 V36243 V36246 V36253 V36256 Input Track amp Hold V36250 V36251 V36252 V36253 V36254 V36255 V36256 V36257 Expansion Base D2 CM 4 Analog In Out Module Slot Dependent V memory Locations a 2 5 6 No of I O Channels Enabled amp Format 36300 V36301 V36302 V36303 V36304 V36305 V36306 V36307 Input Pointer V36310 V36311
22. Diagram The F2 8AD4DA 1 module has a removable connector to make wiring easier Simply squeeze the top and bottom retaining clips and gently pull the connector from the module Use the following diagram to connect the field wiring The diagram shows one power supply for both the module and the I O signal loops If you want to use separate module and loop power supplies connect the power supply OV commons together Internal module wiring IN i ANALOG N OUT User 24VDC 1 suppl NE E 24VDCH Isolated analog l l gi OVDC gt circuit power 1 4 20mA output Outi l 1 m __ Channel 1 su Z CH1 DACI 7 lt Out2 D F2 8AD4DA 1 3 4 20mA output rr COM CH2 DAC 18 26 4VDC Channel 2 sd 100mA e e WD GeO a 4 20mA output Out4 20m haina ean N AD CH4DAC 40UT a zs E E 4 20mA output D T000 t CH1 ADC ov 24V D E Channel 4 CH2 ADC JO0UT1 P 2D COM tooo tant our See Note 2 D o E 0 Ins cHsap lours O 3 wire 4 20MA 4 20mA transmitter e 1002 LA e __ 0UT4 D transmitter shield Channel 3
23. F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Comb In This Chapter Module Specifications Connecting the Field Wiring Module Operation Special V Memory Locations Writing the Control Program 15 2 F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Module Specifications The F2 8AD4DA 1 Analog Current Input Output module provides several IN ANALOG hardware features om e e Analog inputs and outputs are o optically isolated from the PLC e logic F2 8AD4DA 1 e The module has a removable et ae terminal block so the module can BIN O 20mA be easily removed or changed ee a without disconnecting the wiring vE o D e Updates all input and output oro A channels in one scan ours bp D D e On board active analog filtering T nr as D two CISC microcontrollers and ENEO D CPLD provide digital signal wrol processing to maintain precision m XP Q 2 analog measurements in noisy m FO x environments me e Low power CMOS design requires only 100mA from an external C _ J 18 26 4 VDC power supply e Input resolution is independently F2 8AD4DA 1 adjustable for each channel Users may select 12 bit 14 bit or 16 bit e Output resolution is 16 bit e Broken transmitter detection bit input lt 2mA for use with 4 20mA input device e Each input can be independently configu
24. are automatically mapped into V memory it is very easy to determine the location of the data words that will be assigned to the module F2 8AD4DA 1 N N a Lt LI LI LI LI O 8 oo oo oo oo oo I SlotO Siti Slot2 Slot3 Slot4 ail 8pt 8pt 16pt 32pt In 8pt S Input Input Output 32pt Out Output D B XO X10 YO X20 Y20 Y60 O a Blig x7 x17 Y17 x57 Y57 Ye7 s C C CI C C C D V40503 MSB V40401 LSB MSB V40501 LSB xX X Y Y 3 Input Data Bits 2 3 Output Data Bits 2 7 0 0 MSB V40402 LSB MSB V40502 LSB X X Y Y 5 4 5 4 7 0 7 0 Within these memory word locations the individual bits represent specific information about the analog signal Your specific memory locations may vary depending upon the slot location of the F2 8AD4DA 1 module p Sq 5 zE iw 9 gt o7 S DL205 Analog Manual 7th Ed Rev B 4 10 15 12 F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination 5 Bo TOE 5 q4 Y Qa qc oO ee ai oe Input Bits Depending upon the resolution selected up to 16 bits of the f
25. ch of the input LD channels This constant is determined by the values of two bits per 0 channel as shown previously in Input Resolutions Selection Bits The constant 0 configures each of the eight input channels for 12 bits Special V memory location assigned to slot 3 that contains the er resolution settings for each of the input channels Loads a constant that specifies the track and hold settings for each of the input channels This constant is determined by the values of two bits per channel as previously shown in Track and Hold Selection Bits The constant 5555 hex configures each of the eight input channels to track and hold the minimum value LD K5555 Special V memory location assigned to slot 3 that contains the track OUT and hold settings for each of the input channels V36423 NOTE Binary data format is recommended for 14 or 16 bit resolution input data especially ifthe input data is to be used in any math instructions DL205 User Manual ch 5 There is only one V memory word 16 bits available for the actual input data Although the 12 bit resolution maximum value of 4095 can be stored in one word using either binary or BCD formats the 14 and 16 bit resolution maximum values of 16383 and 65535 both exceed the BCD format s maximum single word capacity of 9999 Double word math would be required for 14 or 16 bit data in BCD format Binary data format is
26. dB or 0 025 of full scale One count in the specifications table is equal to one least significant bit of the analog data value 1 in 65536 5 230 I 5 q4 Y a qc oO lt i ce DL205 Analog Manual 7th Ed Rev B 4 10 General Module Specifications F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Digital Input and Output Points Required 32 point X inputs 32 point Y outputs Power Budget Requirement 35mA 5VDC supplied by base External Power Supply Requirement 18 to 26 4VDC 100mA maximum plus 20mA per output loop Field Side to Logic Side Isolation 1800VAC applied for 1 second 100 tested Storage Temperature 20 to 70 C 4 to 158 F IEC60068 2 1 2 2 2 14 Module Location Any non CPU slot in local expansion or Ethernet remote base of DL205 system with DL250 1 or DL260 CPU Emissions EN61000 6 4 conducted and radiated RF emissions Field Wiring 19 point removable terminal block included Optional remote wiring using ZL CM20 remote feed through terminal block module and ZL 2CBL2 cable Agency Approvals UL508 UL6079 15 Zone 2 CE EN61131 2 Module Placement The F2 8AD4DA 1 analog current input output module requires 32 discrete input and Configuration and 32 discrete output points Requirements The module can be installed in any non CPU slot of D2 250 1 or D2 260 local bases D2 CM expansion bases H2 EBC 100 F Ethernet remote bases H2 PBC Profibus slave bases
27. digital range for 0 20mA OUT V2100 Store input EU value in V2100 Input Engineering Unit Conversion Example 2 Data Format binary Channel 1 data memory location V2000 Channel 1 resolution 14 bits Channel 1 engineering units 0 0 to 140 0psi Channel 1 input device 0 to 20mA transmitter Note this example uses SP1 which is always on as a permissive contact for the engineering unit conversion You could also use an X C etc permissive contact SP1 one Load input channel 1 digital value into accumulator MULB Multiply by 1400 hex 578 K578 EU range X 10 for implied decimal DIVB Divide by 16383 hex 3FFF K3FFF 14 bit digital range for 0 20mA Use 65535 KFFFF for 16 bit 4095 KFFF for 12 bit OUT i V2100 Store input EU value in V2100 i Sg 5 pE w o gt o7 S DL205 Analog Manual 7th Ed Rev B 4 10 F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Input Engineering Unit Conversion Example 3 Data Format BCD Channel 1 data memory location V2000 Channel 1 resolution 12 bits Channel 1 engineering units 0 0 to 140 0psi Channel 1 input device 4 to 20mA transmitter SPO LD Load constant 819 into accumulator K819 12 bit digital value for 4mA offset woos 0 Store input offset value in V20
28. er than OUT the previously stored value will be written to V2000 V36423 ee LD C3 loads a value of 3 binary 11 into the Track and Hold Selection LJ K3 register This sets input channel 1 for Track and Hold Reset Value Real time measured values will be written to V2000 until another OUT Track and Hold Selection is made V36423 C5 Ir LD C5 loads value of 1 binary 01 into the Track and Hold Selection lJ K1 register This sets input channel 1 for Track and Hold Minimum Value As the analog value varies only a measured value lower than the OUT previously stored stored will be written to V2000 V36423 5 230 I 5 q4 Y a qc oO lt i ce DL205 Analog Manual 7th Ed Rev B 4 10 F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination 15 27 Module Since the 4 20mA output module has 16 z 16 Bit Output bit resolution the analog signal is eN TOE OHIpuI een Resolution converted into 65536 216 counts eon ranging from 0 65535 For example a 4mA signal would be 0 and a 20mA AmA signal would be 65535 This is equivalent to a binary value of 0000 0 65535 0000 0000 0000 to 1111 1111 1111 1111 Hessen or 0000 to FFFF hexadecimal The 65535 diagram shows how this relates to the _ high limit of the signal range signal range n L low limit of the signal range Each count can also be expressed in terms of the signal level by using the 16mA 65535 0 244uA per count
29. in this location to determine exactly where to store the incoming data OUT V7673 This constant designates the first V memory location that will be LDA used for the analog output data For example the 02020 entered I 02020 here would mean Ch1 V2020 V2021 Ch2 V2022 V2023 Ch3 V2024 V2025 Ch4 V2026 V2027 For each channel the 1st word holds the data and the 2nd word is needed only when displaying 14 or 16 bit data in BCD format The 2nd word contains the most significant digit in those cases The constant 02020 is stored here V7703 is assigned to slot 3 and acts as a pointer which means the CPU will use the value in this location to determine exactly where to obtain the output data OUT V7703 Loads a constant that specifies the resolutions for each of the input LD AA channels This constant is determined by the values of two bits per channel as shown previously in Input Resolutions Selection Bits The constant AAAA hex configures each of the eight input channels for 16 bits Special V memory location assigned to slot 3 that contains the iga resolution settings for each of the input channels Loads a constant that specifies the track and hold settings for each of the input channels This constant is determined by the values of two bits per channel as previously shown in Track and Hold Selection Bits The constant 0 configures
30. irst input word represent the analog data in binary format Bit Value Bit Value 0 1 8 256 1 2 9 512 2 4 10 1024 3 8 11 2048 4 16 12 4096 5 32 13 8192 6 64 14 16384 7 128 15 32768 The upper byte of the second input word represents the broken transmitter detection bits for use only with 4 20mA input devices The lower byte is not usable by the programmer broken transmitter bits not usable by programmer Broken Transmitter see Bits een ree oT V40402 Input Adargss 4 a a Aa a a gt a o fe 30 es gt 14 18 12 at fro jo je j7 o Brrr crane je f7 fe fe e 13 2 ma me Output Bits All 16 bits of the first output word represent the analog data in binary format Bit Value Bit Value 0 1 8 256 1 2 9 512 2 4 10 1024 3 8 11 2048 4 16 12 4096 5 32 13 8192 6 64 14 16384 7 128 15 32768 The second output word is not usable by the programmer DL205 Analog Manual 7th Ed Rev B 4 10 1111119876543210 as data bits MSB 40502 isp no able by programmer F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Special V Memory Locations The DL250 1 and DL260 CPUs have special V memory locations assigned to each base s
31. log value from current transmitter D A D L A e Amax Maximum analog value A Dmax Amad e D Digital value of input provided to PLC CPU e Dmax Maximum digital value Resolu X mitter_ If you know the digital If you know the analog tion Range value signal level 12 bit 0 20mA a 0 4095 4 20mA A D 20 4095 D A 4095 20 14 bit 0 20mA E E o 16383 ld aoma A 060716383 D A 16383 20 16 bit 0 20mA E E 065635 la aoma 020 65535 D A 65535 20 For example if you are using 16 bit pie A 85535 resolution and have measured the signal 0 at 12mA you could use the formula to easily determine the digital value D that D 12 3276 75 should be stored in the V memory location that contains the data D 39321 Notice that the mathematical relationship between the analog and digital values remains the same regardless of whether 4 20mA or 0 20mA transmitters are used Only the engineering unit input scaling will vary as shown later The following table shows how the input analog digital and engineering unit values are related to each other The example is a measurement of pressure from 0 0 to 140 0 PSI using a multiplier of 10 for one implied decimal place ee a ae E U E U cra ee ee e E 4 20 mA l l Transmitter Transmitter 4095 16383 65535 1400 1400 C e je gt e _ Na DL205 Analog Manual 7th Ed Rev B 4 10 o Sq 5 zE iw 9 gt o S Bo
32. lot that greatly simplify the programming requirements These V memory locations specify e the numbers of input and output channels to scan e the storage locations for the input and output data e the resolution selections for the inputs e the range selections for the inputs and outputs e the track and hold selections for the inputs Module The tables below show the special V memory used by the CPUs for the CPU base Configuration and local expansion base 1 O slots Slot 0 is the module slot next to the CPU or Registers D2 CM module Slot 1 is the module slot two places from the CPU or D2 CM and so on The CPU needs to examine the pointer values at these locations only aftera mode transition CPU Base Analog In Out Module Slot Dependent V memory Locations ee ee ee No of I O Channels Enabled amp Format V7660 V7661 V7662 V7663 V7664 V7665 V7666 V7667 Input Pointer V7670 V7671 V7672 V7673 V7674 V7675 V7676 V7677 Output Pointer V7700 V7701 V7702 V7703 V7704 V7705 V7706 V7707 Input Resolutions V36400 V36401 V36402 V36403 V36404 V36405 V36406 V36407 ee ey Re Reserved 36410 V36411 V36412 V36413 V36414 V36415 V36416 V36417 Input Track amp Hold V36420 V36421 V36422 V36423 V36424 V36425 V36426 V36427 n Q Expansion Base D2 CM 1 Analog In Out Module Slot Dependent V memory Locations ofie e a n Q p Sq 5 zE is o gt o S
33. lution Select RnH RnL ea pp ME e ae maw f p psabed A Example Input channels 1 4 are 12 bit channel 5 is 14 bit and channel 6 is 16 bit and channels 7 and 8 are disabled V36403 F900 hex is aspen pols ei i fs ee en Jex 7u fr en fex n fex on far n fex en a oh frt 8H 8L 7H 7L 6H 6L 5H 5L 4H 4L 3H 3L 2H 2L 1H JIL E AA O FE S oS S o O k Input Track and The track and hold feature for each of the eight inputs can be individually configured Hold Selection Bits for minimum maximum no hold or reset held value This configuration can be changed on the fly while the program is running V36423 specific memory location varies depending upon base and slot location Se e a a a e e e a T T T T T T T T T T T T T T T T 8H 8L 7H 7L 6H 6L 5H 5L 4H 4L 3H 3L 2H 2L 1H iL TnH Track and hold channel n High bit TnL Track and hold channel n Low bit Tackand Hod Seea rap p o No Track and Hold o Jo returns real time input value Track and Hold Minimum Value oo fi maintains lowest measured value Track and Hold Max Value maintains highest measured value Reset Track and Hold Value resets previously held input value Example Input channel track and hold settings ch 1 3 none ch 4 5 minimum ch 6 7 maximum ch 8 reset V36423 E940 hex Aeae a a E a T 1L T T T T T T T T T T T T T T T 8H 8L 7H 7L 6H
34. oe DL205 Analog Manual 7th Ed Rev B 4 10 F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination 15 7 Current Loop Standard 0 to 20mA and 4 to 20mA transmitters and transducers can operate from Transmitter a wide variety of power supplies Not all transmitters are alike and the Impedance manufacturers often specify a minimum loop or load resistance that must be used with the transmitter The F2 8AD4DA 1 provides 100 Ohms resistance for each input channel If your transmitter requires a load resistance below 100 Ohms you do not have to make any adjustments However if your transmitter requires a load resistance higher than 100 Ohms you need to add a resistor in series with the module Consider the following example for a transmitter being operated from a 24VDC supply with a recommended load resistance of 750 Ohms Since the module has only 100 Ohms resistance you need to add an additional resistor Example R Tr Mr R resistor to add R 750 100 Tr Transmitter total resistance requirement R 650 Mr Module resistance internal 100 Ohms Two wire Transmitter Module Channel 1 DC Supply R gt IN1 24V 100 Ohms ov IN gt In the example add a 650 Ohm resistor R in series with the module o Sq 5 PE J 9 gt o7 S DL205 Analog Manual 7th Ed Rev B 4 10 F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Wiring
35. or H2 WPLCx xx WinPLC bases The module is NOT supported by D2 230 D2 240 or D2 250 CPUs It is also not supported by D2 RMSM and D2 RSSS remote I O master slave modules The available power budget may also be a limiting factor Check the user manual for your particular model of CPU and I O base for more information regarding power budget and number of local local expansion or Ethernet remote I O points DL205 Analog Manual 7th Ed Rev B 4 10 o Sq 5 PE J 9 gt o7 S 15 6 F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Connecting the Field Wiring Wiring Guidelines Your company may have guidelines for wiring and cable installation If so you should check those before you begin the installation Here are some ideas to consider e Use the shortest wiring route whenever possible e Use shielded wiring and ground the shield at the signal source Do not ground the shield at both the module and the load or source e Do not run the signal wiring next to large motors high current switches or transformers This may cause noise problems e Route the wiring through an approved cable housing to minimize the risk of accidental damage Check local and national codes to choose the correct method for your application User Power The F2 8AD4DA 1 requires at least one field side power supply You may use the Supply same or separate power sources for the module supply and loop supply The Requirements module req
36. red to return the present value or to track and hold the maximum or minimum value e No jumper settings Hardware The F2 8AD4DA 1 analog current input output module requires one of the and Firmware following components as a CPU or controller Requirements Base Type CPU Controller D2 250 1 4 40 or later Local D2 260 260 2 20 or later Expansion D2 D2 CM 30 or later re To 5 Bo TOE 5 q4 Y Qa qc oO ee ai oe DL205 Analog Manual 7th Ed Rev B 4 10 Input Specifications F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination The following tables provide the specifications for the F2 8AD4DA 1 Analog Current Input Output Module Review these specifications to make sure the module meets your application requirements Number of Input Channels Input Range Input Resolution Value of LSB Input Impedance Maximum Continuous Overload Loop Supply Voltage Range Filter Characteristics PLC Input Update Rate Sample Duration Time note 1 Conversion Time note 1 Conversion Method Accuracy vs temperature Input Stability and Repeatability Input Inaccuracy Linearity Error end to end Full Scale Calibration Error not including offset error Offset Calibration Error Common Mode Rejection Crosstalk Recommended External Fuse 8 single ended one common 0 to 20mA 12 14 or 16 bit selectable 12 bit O to 20mA 4 88uA 14 bit O to 20mA 1 22uA 16 bit 0 to 20mA 0 305uA
37. t com 7000 f CH4 ADC EA eee h D See Note 2 See Note 1 2 IN2 K S alae 0 0324 spall CH5 ADC ov p D 1002 yw INSEL Y D 2 wire 4 20mA 4 20mA transmitter COM Q 1002 yw t GHEADY v t transmitter shield Channel 5 anal IN5 0 D CH7 ADC 6 See Note 2 Transmitter power In8 S 1002 twe In7 LO F S AC or DC 1002 CH8 ADC R 4 wire 4 20mA 4 20mA transmitter V transmitter shield Channel 8 _ E Isolated analog See Note 2 circuit common C J Note 1 A Littelfuse Series 217 0 032A fast acting fuse is recommended for all 4 20mA current loop inputs Note 2 Connect shields to ground at their respective signal sources do not ground both ends of shields 5 230 I 5 q4 Y a qc oO lt i ce DL205 Analog Manual 7th Ed Rev B 4 10 F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Module Operation Input Channel If this module is installed in a local CPU base you can obtain all eight channels of Scanning input data in one scan However you can obtain only one channel of input data per Sequence scan if the module is installed in an expansion remote I O or Profibus slave base Pointer Method Scan System with 7 __ A analog module installed in local Read Inputs CPU base
38. ugh the 12 bit resolution maximum value of 4095 can be stored in one word using either binary or BCD formats the 14 and 16 bit resolution maximum values of 16383 and 65535 both exceed the BCD format s maximum single word capacity of 9999 Double word math would be required for 14 or 16 bit data in BCD format Binary data format is also useful for displaying data on some operator interfaces 5 ae ee 5 q4 Y Qa qc oO ee ai oe DL205 Analog Manual 7th Ed Rev B 4 10 F2 8AD4DA 1 8 Ch In 4 Ch Out Analog Current Combination Module Configuration Example 3 Number of Channels 4 in 2 out Data Format BCD in BCD out Input Resolution 12 bit Input Track and Hold all inputs minimum value SPO Loads a constant that specifies the number of channels to scan and LD the data format See note below regarding data format The leading K0402 zero in this LD instruction is shown for clarity It can be entered by the programmer but it will be dropped by the programming software The upper byte applies to the inputs The most significant nibble MSN selects the data format 0 BCD 8 Binary and the LSN selects the number of channels 1 2 3 4 5 6 7 or 8 to scan The lower byte applies to the outputs The most significant nibble MSN selects the data format 0 BCD 8 Binary and the LSN selects the number of channels 1 2 3 or 4 to scan
39. uires 100mA at 18 26 4VDC In addition each current loop requires 20mA a total of 240mA for twelve current loops If you use a separate power supply make sure that it meets these requirements The DL205 bases have built in 24VDC power supplies that provide up to 300mA of current You may use this instead of a separate supply if you are using only one combination module with less than ten current loops It is desirable in some situations to power the loops separately in a location remote from the PLC This will work as long as the loop s power supply meets the voltage and current requirements and its minus side and the module supply s minus side are connected together WARNING If you are using the 24VDC base power supply make sure you calculate the power budget Exceeding the power budget can cause unpredictable system operation that can lead to a risk of personal injury or damage to equipment A Ch ms The DL205 base has a switching type power supply As a result of switching noise you may notice 3 5 counts of instability in the analog input data if you use the base power supply If this is unacceptable you should try one of the following 1 Use a separate linear power supply 2 Connect the 24VDC common to the frame ground which is the screw terminal marked G on the base By using these methods the input stability is rated at 0 025 of range 5 axe ee 5 q4 Y Qa qc oO ee ai
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