VARIO AO 2/U/BP - Isotron Systems
Contents
1. 2 8 lt 280 mV Class 3 test voltage 10 V acc to IEC 61000 4 6 IEC 61000 4 6 3 The values are valid for shielded and unshielded twisted actuator cables Transient protection of the analog outputs Yes 3 The electrical isolation of the logic level from the I O area is ensured through the DC DC converter Common Potentials 24 V I O voltage 24 V segment voltage and GND have the same potential FE functional earth ground is a separate potential area Separate System Potentials Consisting of Bus Terminal Power Terminal and I O Terminal Test Distance Test Voltage 7 5 V supply bus logic 24 V supply Uana I O 500 V AC 50 Hz 1 min 7 5 V supply bus logic 24 V supply U ana functional earth ground 500 V AC 50 Hz 1 min 24 V supply 1 0 functional earth ground 500 V AC 50 Hz 1 min Failure or dropping of communications voltage Yes I O error message to the bus terminal UL 9499 040 6901 1 31 VARIO AO 2 U BP Ordering Data Terminal with two analog voltage outputs VARIO AO 2 U BP KSVC 103 00221 with connector and labeling field PMA Prozess und Maschinen Automation GmbH Miramstrasse 87 34123 Kassel Germany 49 0 561 505 1307 5 49 0 561 505 1710 ml pma online E www pma online de 32 9499 040 6901 1 Subject to technical modification2. 0 V Reset Output range 0 V to 10 V When parameterizing you must iS switch to parameterization mode The connection procedure is described in Parameterization on page 24 9499 040 69011 VARIO AO 2 U BP Installation Instructions High current flowing through the voltage jumpers Uy and Us causes the temperature of the voltage jumpers and the internal temperature of the terminal to rise Note the following instruction to keep the current flowing through the voltage jumpers of the analog terminals as low as possible All of the analog terminals need a separate main circuit If this is not possible in your application and if you are using analog terminals in a main circuit together with other terminals make sure you are placing the analog terminals behind all the other terminals at the end of the main circuit Please note the derating curve on page 28 4 9499 040 69011 VARIO AO 2 U BP Internal Circuit Diagram INTERBUS 24 V Ug 24 V Up ez Figure 3 56600003 Internal wiring of the terminal points INTERBUS protocol chip Optocoupler Microprocessor Security circuit Electrically erasable programmable read only memory DC DC converter with electrical isolation Reference voltage Amplifier Digital analog converter Analog output Analog ground electrically isolated from ground of
3. Points to the Process Data Output Words Word bit Byte VIEW Bit 15 14 13112111098 7 6 5 3 2 0 Byte bit Byte vew Jen z e s s 2 13 o v e s a 3 2 1 o Assignment IB IL format SB Channel 1 output value Assignment IB ST format SB Channel 1 output value 0 00 Terminal Signal Terminal point 1 1 Voltage output 1 points Signal reference Terminal point 1 3 Shield FE Terminal point 1 4 Word bit Byte VIEW Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 14 0 Byte bit Byte SN Bit 7 ejs a s 2 1jo r e s 4 8 2 1 0 Assignment IB IL format SB Channel 2 output value Assignment IB ST format SB Channel 2 output value 0 00 Terminal Signal Terminal point 2 1 Voltage output 2 points Signal reference Terminal point 2 3 Shield FE Terminal point 2 4 SB Sign bit 0 In IB ST bits 2 through 0 are irrelevant Set these bits to 0 9499 040 6901 1 11 VARIO AO 2 U BP Assignment of the Process Data Input Words Word bit Byte view Bit 15 14 Byte bit Byte view Bit 7 6 13 12 11 10 9 8 7 6 5 4 3 s 4 s 2 1 o 7 6 5 4 3 Assignment SB Mirrored channel 1 output value Word bit Byte NEW Bit 15 14 Byte bit Byte 1312 1 10 9 8 7 6 5 4 8 view Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 Assignment SB Mirrored
4. Transmission of code 8077 pex Non volatile parameterization The parameterization is stored in the EEPROM After a power up this parameterization from the EEPROM is used Transmission of code 8099 After writing 8077 ye or 8099hex the parameterization takes effect and parameterization mode is quit This is displayed in the first input word through the mirroring of code 8077 pg or 80994 These values have a dedicated acknowledgment function Only the next process data item is processed as normal 3 If parameterization was aborted it is The orange O S LED on the terminal indicates possible to switch to parameterization whether the original configuration is present or if mode using a restart with step 1 the current configuration differs from the default configuration of the terminal upon delivery The LED is lit if the parameterization is that of the default upon delivery 9499 040 6901 1 25 VARIO AO 2 U BP Technical Data Housing dimensions width x height x depth 12 2 mm x 120 mm x 71 5 mm 0 480 in x 4 724 in x 2 815 in Weight 48 g without connector Operating mode Process data operation with 2 words Actuator connection type 2 wire technology Permissible temperature operation 25 C to 55 C 13 F to 131 F Permissible temperature storage transport 25 C to 85 C 13 F to 185 F Permissible humidity operation 3 In the range f
5. an error into account when configuring your system Uana from 24 V to 0 V UL 20V XXXX OV Uana from 24 V to 0 V U 2 7 5V XXXX OV Bus in Stop Uana 0 V XXXX OV Bus in Stop Uana 24 V XXXX Maintain last value Bus reset XXXX Maintain last value e g remote bus cable default setting or break 0 V parameterizable Uana Analog supply voltage of the terminal UL Supply voltage of the module electronics communications power XXXX Any value in the range from 0000pe to FFFFhex 20 9499 040 69011 VARIO AO 2 U BP Response of the Control System or Computer to a Hardware Signal for Different Control or Computer Systems NORM AEG Schneider 0000 OV Automation BASP Siemens S5 0000 OV CLAB Bosch 0000 OV SYSFAIL VME 0000 OV SYSFAIL PC 0000 OV CLEAR OUT Moeller IPC 0000 OV On controller boards for AEG Schneider Automation control systems it is possible to set the NORM signal so that the process data output word and the analog an INTERBUS Controller Board STOP XXXX Maintain last value ALARM STOP reset XXXX Maintain last value default setting or 0 V parameterizable 9499 040 69011 21 VARIO AO 2 U BP Input Behavior When analyzing input behavior a distinction is made between normal operation and parameterization mode Input behavior in parameterization mode is described in Parameterization on page 24 Du
6. channel 2 output value F B H SB Sign bit F Output data format B Voltage range H Hold Reset 12 9499 040 69011 VARIO AO 2 U BP Process Data Output Words The process data output words specify the output values in each cycle Process data word O Process data word 1 e ee E RI RE E EE E E IB ST pp cr nr ue T T ES ES ES Figure 7 Process data output words in IB IL and IB ST formats 56600006 SB Sign bit OV Output value X Bit irrelevant MSB Most significant bit LSB Least significant bit IEJ Set the irrelevant bits to 0 9499 040 6901 1 13 VARIO AO 2 U BP Process Data Input Words Bits 15 through 3 of the process data output values are mirrored in the process data input words Bit 15 is the sign bit Bits 2 through O0 are available as status bits They contain information about the parameterized behavior of the terminal Process data word O Process data word 1 A MSB LSB STSESTSISTSTTTTISTESTTS S D 56600010 Figure 8 Process data input words SB Sign bit OV Mirrored output value F Output data format B Voltage range H Hold Reset MSB Most significant bit LSB Least significant bit Bits 2 through 0 have the following meaning 2 F Output data format IL ST Voltage range 10 V to 10 V 0Vto 10V 0 H Hold Reset Hold 0 14 9499 040 69011 VARIO AO 2 U BP Output Value Representation Formats IS The VARIO AO 2 U BP terminal has format
7. compatibility with the IB IL Al 2 SF input terminal This means that it is possible to use these terminals in multiplexer systems e g IB IL MUX IB IL is the default format To ensure that the terminals can be operated in previously used ST data formats the output value representation can be switched to IB ST format IB IL Format The output value is represented in bits 14 through 0 An additional bit bit 15 is available as a sign bit PPP rre 56604016 Figure 9 Output value representation in IB IL format 15 bits sign bit SB Sign bit OV Output value 9499 040 6901 1 15 VARIO AO 2 U BP Significant Output Values in IB IL Format The IB IL 24 AO 2 U BP terminal has two analog output channels that can supply voltages from 10 V to 10 V with 13 bit resolution Output range 10 V to 10 V lt 7FFF 32767 10 837 gt 7F00 32512 10 837 7F00 32512 10 837 7530 30000 10 0 0008 8 2 667 mV Smallest DAC quantization step 0001 1 333 33 UV Process data resolution 0000 0 0 FFF8 8 2 667 mV 8ADO 30000 10 0 8100 32512 10 837 8100 Processed differently 8001 32767 10 837 Over range 8080 32640 10 837 Under range 80xx Other Maintain last value 16 9499 040 69011 VARIO AO 2 U BP For the 0 V to 10 V output range only the upper range is used see Figure 7 The resolution for th
8. 0 C 122 F the derating is 2 A K Ty Ambient temperature C Current flowing through voltage jumpers Uy and Us A 28 9499 040 69011 VARIO AO 2 U BP Number 2 Signal connection type 2 wire technology single ended Signals resolution in the process data word quantization I Voltage 10 V to 10 V 333 33 uV LSB Voltage 0V to 10 V 333 33 uV LSB Representation of output value 10 V to 10 V 16 bit two s complement 0V to 10 V 16 bit two s complement For the representation of the output value in the different formats please refer to the notes in Output Value Representation Formats on page 15 Smallest DAC quantization step 10 V to 10 V OV to 10 V 2 667 to 13 mV 2 667 to 12 mV Basic error limit 0 02 typical of the output range final value Output load 2 KQ minimum Process data update time including the conversion time of the digital analog converter 1 local bus cycle dependent on the bus configuration lt 1 ms Signal rise time slew rate 10 to 90 of the final value 0 to gt 99 of the final value 15 us typical 31 us typical Signal rise time slew rate 9 0 V to 9 0 V No load operation With ohmic load R 2 KQ With ohmic capacitative load R 2 kQ C 10 nF With ohmic capacitative load R 2 kQ C 220 nF 0 35 V us typical 0 24 V ps typical 0 24 Vi us typical 0 09 V us typical Transient prote
9. OUT2 PE Figure 5 Connection of two voltage actuators with shield connection using 2 wire technology 56600004 9499 040 69011 VARIO AO 2 U BP Connecting Shielded Cables to the Shield Connector A B 20 mm 0 78 5660A015 Figure 6 Connecting the shield via the shield connector 8 9499 040 6901 1 VARIO AO 2 U BP The diameter of the actuator cable is usually too large to allow the cable to be installed into the strain relief of the shield connector with sheathed and folded shield The connection procedure for this cable therefore differs from the connection procedure described in the I O Systems Manual The comparative differences with the I O Systems Manual are marked in bold text Connection of the cables according to Figure 6 should be carried out as follows Stripping the Cables ES Strip the outer cable sheath to the desired length a 1 The desired length a depends on the connection position of the wires and whether the wires should have a large or small amount of space between the connection point and the shield connection Shorten the braided shield to 20 mm 0 787 in A Do not fold the braided shield back over the outer sheath B Remove the protective foil Strip approx 8 mm 0 315 in off the wires B wiring is normally without ferrules However it is possible to use ferrules If using ferrules make sure they are properly cr
10. VARIO AO 2 U BP I O Extension Module With Two Analog Voltage Outputs User Manual 02 2003 56600001 3 This data sheet is only valid in association with the documents of the used fieldbus coupler Function The terminal is designed for use within an VARIO station It is used to output analog voltage signals Features Two analog signal outputs Actuator connection using 2 wire technology and shield connection Voltage ranges 10 V to 10 V 13 bit resolution and 0 V to 10 V 12 bit resolution Output value data available in two formats IB IL and IB ST Parameterizable behavior of the outputs in 3 All modules will be delivered including the event of an error connectors and labeling fields Process data update including conversion time of the digital analog converter 1 ms Very good output driver properties therefore also suitable for long actuator cables Diagnostic indicators 56600007 Figure 1 Terminal VARIO AO 2 U BP with connectors 9499 040 6901 1 1 VARIO AO 2 U BP Table of Contents FUNIGHION EET 1 Installation Instructions iioc ci iicet eoe od ic oed ip ca eed det dai 4 Internal Circuit Diagrari iia adn 5 Electrical lSolatior 2 nde d eb eet asians coed a ns t enndem 6 CONNECTION x M 6 Connection Exam ple snike ttim enibieu eunte 7 Connecting Shielded Cables to the Shield Connector ssssssse een
11. a item Step 2 Transmission of code 8055 in the first process data output word Acknowledgment is via code 8010 in the first input word In this case this code does not indicate an error but shows that a configuration word is eventually expected in step 3 For every subsequent code that is not equal to 80xxpe in the first process data word parameterization mode is quit 24 9499 040 69011 VARIO AO 2 U BP Step 3 Transmission of the parameterization code 1000 0000 1000 P3P2P11 bin Where p are the terminal parameters p3 Data format 0 IB IL 1 IB ST p2 Output range 0 10 V to 0 V 1 O V through 10 V p4 Reset behavior 0 Hold 1 Reset Acceptance of the value is confirmed in bits 15 through 3 of the first input word through mirroring of the code If an invalid configuration is displayed code 80104 appears in the first input data word which indicates the error Invalid Configuration This step can be repeated as often as you like 3 If a code that is not equal to 80xxpe is transmitted in the first process data word parameterization mode is quit without the parameterization taking effect Step 4 In this step you specify whether the parameterization stored in the EEPROM is volatile dynamic or non volatile static Volatile parameterization After a power up this setting is no longer available Subsequent operation uses the settings stored in the EEPROM
12. ction of the analog outputs Yes 9499 040 69011 29 VARIO AO 2 U BP Typical Maximum Tolerance at 23 C 73 4 F Total offset voltage 0 5 mV 4 0 mV Gain error 2 5 mV 6 0 mV Differential non linearity 1 3 mV 3 9 mV Total tolerance at 23 C 73 4 F 4 3 mV 13 9 mV Temperature response at 25 C to 55 C 13 F to 131 F Offset voltage drift Tkyo 2 1 mV 15 0 mV Gain drift Tke 19 2 mV 20 0 mV Total voltage drift Tktot Tkvo Tke 11 3 mV 25 0 mV Total tolerance of the voltage output 115 6 mV 138 9 mV 25 C to 55 C 13 F to 131 F Offset error gain error linearity error drift error Typical Maximum Tolerance at 23 C 73 4 F Total offset voltage 0 005 0 027 Gain error 0 025 0 060 Differential non linearity 0 013 0 027 Total tolerance at 23 C 73 4 F 0 09 0 14 Temperature response at 25 C to 55 C 13 F to 131 F Offset voltage drift Tkyo 4 ppm K 10 ppm K Gain drift Tke 18 ppm K 40 ppm K Total voltage drift Tktot Tkvo Tke 23 ppm K 50 ppm K Total tolerance of the voltage output 10 16 10 39 25 C to 55 C 13 F to 131 F Offset error gain error linearity error drift error 9499 040 69011 VARIO AO 2 U BP Electromagnetic fields lt 0 2 x20 mV field strength 10 V m acc to IEC 61000 4 3 IEC 61000 4 3 Conducted interference
13. e 8 Programming Data di IEEE Mind ee 10 Process Data Words 4 edid be ete dle ed deri ree dd d re e de de dee eda dee dane 11 Output Value Representation Formats 22 0 0 ccceececeeeeccceeceeeeeeeeeeeeseeseceacaaeeeseeeeeeeessecssesiaeeeseeeeeess 15 Output Behavior Ee tne D e RI Em a E tach ees 20 Input Behavior rise erecta cas aoe b eed i E 22 ParameteriZation m 24 Technical Bata zu iiem nues 26 Ordering Data iei ntt e e ae eh ee ui ente nta A Reed ee 31 2 9499 040 69011 VARIO AO 2 U BP 56600002 Figure 2 VARIO AO 2 U BP with appropriate connector Local Diagnostic and Status Indicators D Green Bus diagnostics O S Orange Default state set Terminal Assignment 1 1 U1 Voltage output 1 2 1 U2 Voltage output 2 1 2 2 2 Not used 1 3 2 3 AGND Voltage output ground 1 4 2 4 Shield Shield connection Parameterized Default Upon Delivery When the module is delivered the parameters are set as follows Data format IB IL Behavior of the outputs Outputs maintain the in the event of an error last value Hold Output range 10 V to 10 V The following terminal parameters can be configured according to conditions using the process data Data format IB ST Behavior of the outputs Outputs are reset to in the event of an error
14. ex or 800856 and further processed as normal process data In this way MUX compatibility is ensured The only exceptions are error codes with ST only an open circuit With this error code XXXX xxxx xxxx XX 1Xpin the last value is maintained 18 9499 040 69011 VARIO AO 2 U BP Significant Output Values in IB ST Format Output range 0 V to 10 V gt 7FF8 9 9975 TFF8 9 9975 4000 5 0 0008 0 002441 0000 0 Output range 10 V to 10 V gt 7FF8 9 9975 TFF8 9 9975 0008 0 002441 0000 0 FFF8 0 002441 8008 9 9975 8008 9 9975 9499 040 6901 1 19 VARIO AO 2 U BP Output Behavior Output Behavior During Error Free Operation Normal Operation On power up during normal operation the output range and the data format are read using the terminal EEPROM non volatile Volatile parameterization is also possible for these settings as well as for the behavior of the terminal in the event of an error This parameterization can be carried out for runtime by a process data sequence Output Behavior of the Voltage Output Output Behavior in the Event of an Error In the event of an error the outputs behave as set in the EEPROM non volatile or as subsequently parameterized volatile This means that the outputs maintain the last value HOLD default setting or are reset to 0 RESET parameterizable 3 Take output behavior in the event of
15. imped Wiring the Connectors According to the User Manual Push a screwdriver into the slot above the appropriate terminal point so that you can insert the wire into the terminal opening Phoenix Contact recommends using the SZF 1 0 6 x 3 5 mm 0 039 0 024 in x 0 138 in screwdriver Order No 12 04 51 7 see Phoenix Contact Catalog Part 3 4 Marking Mounting Tools Insert the wire Pull the screwdriver out of the opening The wire is now clamped The connector pin assignment can be found in the table on page 3 Connecting the Shield Open the shield connector see user manual C Place the shield clamp in the shield connector corresponding to the cable width see User Manual Place the cable in the shield connection D Push the outer cable sheath up to the shield clamp The wires with the braided shield must be underneath the shield clamp The braided shield must project approximately 15 mm 0 591 in over the shield clamp Close the shield connector E Fasten the screws for the shield connector using a screwdriver F 9499 040 6901 1 VARIO AO 2 U BP Programming Data ID code SBhex 91 dec Length code 02nex Process data channel 32 bits Input address area 4 bytes Output address area 4 bytes Parameter channel 0 byte PCP Register length bus 4 bytes 10 9499 040 69011 VARIO AO 2 U BP Process Data Words Assignment of the Terminal
16. is range is thus limited to 12 bits 3 Bits 2 through 0 are not always considered as irrelevant bits For use as a Field Multiplexer error messages as well as over or under range information must be evaluated appropriately Over range 8001 outputs 10 837 V under range 8080 0 V With an error code 1000 0000 Oxxx xxx0pjn the last valid value from the digital analog converter is output Output range 0 V to 10 V lt TFFF 32512 10 837 gt 7500 32512 10 837 7FOO 32512 10 837 7530 30000 10 0 0008 8 2 667 mV Smallest DAC quantization step 0001 1 333 33 uV Process data resolution lt 0000 0 0 8100 Processed separately 8001 32767 10 837 Over range 8080 32640 0 Under range 80xx Other Maintain last value 3 The 80XXhex range is reserved exclusively for error and message codes 9499 040 6901 1 17 VARIO AO 2 U BP IB ST Format The output value is represented in bits 14 through 3 Bit 15 is available as sign bit Bits 2 through 0 are irrelevant This format corresponds to the data format used on INTERBUS ST modules cita 56600011 Figure 10 Output value representation in IB ST format 12 bits sign bit SB Sign bit OV Output value X Irrelevant bit Set this bit to O Bits 2 through 0 are not always considered as irrelevant bits The values 7FF9he or 8001 hex are recognized as over or under ranges and interpreted as 7FF8h
17. ring error free normal operation the output data is mirrored in the input words as acknowledgment in bits 15 through 3 as soon it is transmitted to the DAC Bits 2 through 0 are available as status bits and are used to display and read the set behavior of the terminal As the VARIO AO 2 U BP terminal evaluates bits 15 through 3 as data bits both in IB IL and IB ST format only these 13 bits are mirrored in the input data word see notes on error codes over and under ranges cn 56600014 Figure 11 Input data in IB IL and IB ST formats SB Sign bit OV Mirrored output value F Data format 0 IB IL 1 IB ST B Output range 0 10 V to 10 V 1 0V to 10V H Hold Reset 0 Hold 1 Reset If an error is detected by the terminal it is indicated by an error code in the first process input data word Possible error codes can be found in the following table 22 9499 040 69011 VARIO AO 2 U BP Error Codes 8010 3 This code can only appear in parameterization mode and can have two causes 1 Carry out configuration Continue configuration 35 In step 2 of parameterization this code appears after sending the code 8055pe in the first input word No errors indicated at this point 2 Configuration invalid Check parameterization 8020 DAC voltage falls below the Check the bus terminal voltage permissible value supply Check thatthe voltage jumpers are I O error occurs l Sy connecting safely Replace the
18. rom 25 C to 55 C 13 75 average 85 occasionally F to 131 F appropriate measures against ken increased humidity gt 85 must be ta Permissible humidity storage transport D For a short period slight condensation terminal is brought into a closed room from a vehicle 75 average 85 occasionally may appear on the housing if for example the Permissible air pressure operation 80 kPa to 106 kPa up to 2000 m 6561 680 ft above sea level Permissible air pressure storage transport 70 kPa to 106 kPa up to 3000 m 9842 520 ft above sea level Degree of protection IP 20 according to IEC 60529 Class of protection Class 3 according to VDE 0106 IEC 60536 local bus interface Data routing 26 9499 040 69011 VARIO AO 2 U BP Communications voltage UL 7 5V Current consumption from UL Approximately 33 mA typical 40 mA maximum 1 O supply voltage Uana 24V DC Current consumption from Uana No load operation R gt 10 MQ Full load operation R 2 KQ 18 mA typical 28 mA maximum 25 mA typical 35 mA maximum Total power consumption No load operation R gt 10 MQ Full load operation R 2 KQ 0 68 W typical 0 85 W typical Connection method Voltage routing 9499 040 69011 VARIO AO 2 U BP HA 10 48 49 50 51 52 53 54 55 56 MIC 56600012 Upwards of Ty 5
19. terminal 8040 Terminal defective Replace the terminal IS The error codes overwrite the status bits Bits 2 through O with 0 This means that in IB ST data format it is also possible to clearly distinguish valid process data 9499 040 6901 1 23 VARIO AO 2 U BP Parameterization When the module is delivered the terminal You can configure the following terminal parameters are set as follows parameters according to your conditions using the process data Data format IB IL Behavior ofthe outputs Outputs maintain the Data format IB ST in the event of an error last value Hold Behavior of the outputs Outputs are reset to Output range 10 V to 10 V in the event of an error OV Reset Output range O V to 10 V In order to parameterize the terminal you must change to parameterization mode In the first process data output word transmit codes 8033 and 8055pg one after the other In order notto change accidentally to parameterization mode you should set bits 2 through 0 to 0 in normal operation when transmitting process data Parameterizing the Terminal Step 1 Transmission of code 8033 in the first process data output word In bits 15 through 3 of the first process data input word this code is acknowledged as a normal process data item 3 For every subsequent code which is not equal to 8055hex in the first process data word normal operation continues and the code is interpreted as a process dat
20. the voltage jumper 9499 040 6901 1 VARIO AO 2 U BP Electrical Isolation INTERBUS INTERBUS Bus interface local bus IN OPC K local bus OUT U 7 5 V DC I U 7 5 V DC Bl U 24 V DC A Uana 24 V DC HER 24 V I O interface Electrical isolation between areas A and B Analog outputs 56600008 FE potential Figure 4 Electrical isolation of the individual function areas Connection Analog actuators with a cable length of 10 m 32 808 ft can be connected with unshielded twisted pair cables IS Connect analog actuators with a cable length of gt 10 m 32 808 ft with shielded twisted pair cables Connect one end of the shielding to PE protective earth ground Fold the outer cable sheath back and connect the shield to the terminal via the shield connector clamp with strain relief The clamp connects the shield directly to FE functional earth ground on the terminal side 3 Ensure that the braided shield is 15 mm 0 591 in longer than the strain relief when connecting a shielded actuator cable to the l O connector Connect the actuator cable as described in Connecting Shielded Cables to the Shield Connector on page 8 6 9499 040 6901 1 VARIO AO 2 U BP Connection Example Use a connector with shield connection when installing the actuators Figure 5 shows the connection schematically without shield connector
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