Pepperl+Fuchs WCS-PG410 Manual Download Page 28

WCS-PG410

Communication with WCS read heads

 2

0

2

0

-0

3

25

5

Communication with WCS read heads

5.1

Data Protocols

Data protocol 1

Data protocol 1 with position and velocity output

Request byte for read head

Byte

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

1

0

0

0

F0

0

0

A1

A0

Response telegram from the read head

Byte

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Byte 1

0

OUT

ERR

A1

A0

DB

P18

P17

P16

Byte 2 

0

P15

P14

P13

P12

P11

P10

P09

P08

Byte 3 

0

P07

P06

P05

P04

P03

P02

P01

P00

Byte 4 

0

OUT

ERR

A1

A0

DB

P18

P17

P16

Byte 5

0

P15

P14

P13

P12

P11

P10

P09

P08

Byte 6 

0

P07

P06

P05

P04

P03

P02

P01

P00

Request byte for read head

Byte

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

1

1

0

0

0

0

0

A1

A0

Response telegram from the read head

Byte

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Byte 1

0

OUT

ERR

A1

A0

DB

P18

P17

P16

Byte 2 

0

P15

P14

P13

P12

P11

P10

P09

P08

Byte 3 

0

P07

P06

P05

P04

P03

P02

P01

P00

Byte 4 

0

SST

SP6

SP5

SP4

SP3

SP2

SP1

SP0

Byte 5

0

OUT

ERR

A1

A0

DB

P18

P17

P16

Byte 6 

0

P15

P14

P13

P12

P11

P10

P09

P08

Byte 7 

0

P07

P06

P05

P04

P03

P02

P01

P00

Byte 8

0

SST

SP6

SP5

SP4

SP3

SP2

SP1

SP0

Summary of Contents for WCS-PG410

Page 1: ...R WCS PG410 Interface Module PROFIBUS Manual...

Page 2: ...ion as well as the supplementary clause Expanded reservation of proprietor ship Worldwide Pepperl Fuchs Group Lilienthalstr 200 68307 Mannheim Germany Phone 49 621 776 0 E mail info de pepperl fuchs c...

Page 3: ...1 Mounting 10 3 2 Electrical Connection 11 3 3 Dismounting 13 4 Commissioning 14 4 1 Introduction 14 4 2 Connecting the WCS Read Head 15 4 3 Connection to the Network 17 4 4 Integrating the Interface...

Page 4: ...EU type examination certificate EU declaration of conformity Attestation of conformity Certificates Control drawings Instruction manual Other documents 1 2 Target Group Personnel Responsibility for pl...

Page 5: ...in descending order as fol lows Informative Symbols Action This symbol indicates a paragraph with instructions You are prompted to perform an action or a sequence of actions Danger This symbol indicat...

Page 6: ...ler via the PROFIBUS DP protocol You can connect up to four LS221 or LS121 WCS read heads If you connect several read heads they must have different addresses The interface module constantly queries t...

Page 7: ...Interface module overview 1 Slide switch for RS 485 terminator 2 X1 RS 485 interface 3 Mounting bracket 4 X2 Connection for power supply 5 PROFIBUS communication interface 6 Slide switch for PROFIBUS...

Page 8: ...error number or warning number and sends the number to the PROFIBUS master via the external diagnostic byte Error No Select ID Read head address 8 4 2 1 0 0 0 1 0 0 0 1 0 1 0 1 0 0 2 1 0 0 0 3 Table...

Page 9: ...e error or incorrect fieldbus ID 0 1 0 1 5 Script error 0 1 1 0 6 Reserved 0 1 1 1 7 WCS read head communication RS send buffer overflow 1 0 0 0 8 WCS read head communication RS receive buffer overflo...

Page 10: ...PROFIBUS address using the two ID High and ID Low rotary switches The dig its selected via the two rotary switches together form the PROFIBUS address in hexadecimal format Example To set the address...

Page 11: ...o place The module is mounted 2 You must connect the DIN mounting rail to the switch cabinet s equipotential busbar The connection wire must have a cross section of at least 10 mm2 2 1 Note Heat Dissi...

Page 12: ...d To tighten the screws use a screwdriver with a blade width of 3 5 mm Observe the maximum tightening torque of 0 4 Nm Danger Device damage due to incorrect installation Incorrect installation of cabl...

Page 13: ...omatically when attaching to the DIN mounting rail PROFIBUS DP Communication Interface The communication interface can be found on the front of the housing in the form of a 9 pin D SUB socket 1 Connec...

Page 14: ...al on plug X1 must be connected Connect the read head to the terminal Use the enclosed jumper to connect the terminals to each other Figure 3 3 Terminal X1 RS485 Termination T1 Always Off T2 On enable...

Page 15: ...le 1 Disconnect all the supply and signal lines Figure 3 4 Dismounting 2 Insert the screwdriver 2 into the groove of the mounting bracket 3 3 Press the screwdriver 2 in the specified direction until t...

Page 16: ...sing the interface labeled PROFIBUS 3 Connect the process device read head For information on commissioning the process device read head please refer to its manual 4 Ground the DIN mounting rail onto...

Page 17: ...tion Make sure that the rotary switch is in switch position 0 Rotary Coding Switch S5 The Extended protocol traverse distance 629 146 meters is set on the interface module using rotary switch S5 The W...

Page 18: ...ical device in an RS 485 bus or if you operate one read head on the interface module a bus termination must be performed on this interface module Figure 4 1 RS 485 bus termination Set the T2 slide swi...

Page 19: ...s connector is not included in the interface module scope of delivery Pin assignment for the 9 pin connector Setting the PROFIBUS Address Set the PROFIBUS address using the two rotary switches ID High...

Page 20: ...manage 1 In the menu bar click the Options button and select the function Install device description file GSD The Install device description file window opens Warning Risk of injury due to incorrect c...

Page 21: ...and click OK 3 to confirm your selection Figure 4 5 Install GSD file 4 Select the GSD file to install by checking the box 1 to the left of the filename 5 Click the Install button 2 The installation pr...

Page 22: ...nto the Project Figure 4 6 Hardware catalogue 1 Open the hardware catalog and browse through the tree structure until you see the icon labeled 276147 1 Other field devices PROFIBUS DP Gateways PEPPERL...

Page 23: ...selected module is displayed in the network view window 2 3 Connect the module to the controller To do this move the mouse onto the PROFIBUS interface highlighted in purple for the controller click th...

Page 24: ...l module when configuring the device 2 1 3 Note Depending on your application select one two three or four connected WCS read heads and the operating mode When in the only Position operating mode the...

Page 25: ...ss Parameters Address 1 2 3 Note You must assign unique addresses for data communication between the module and the read head If you connect several read heads to one module the read heads must have d...

Page 26: ...its A1 and A0 Bit 7 6 5 4 3 2 1 0 Byte 0 0 0 0 0 0 P18 P17 P16 Byte 1 P15 P14 P13 P12 P11 P10 P09 P08 Byte 2 P07 P06 P05 P04 P03 P02 P01 P00 Byte 3 0 0 0 DB ERR OUT A1 A0 Table 4 2 Data format for eac...

Page 27: ...utside of the code rail not a position value Good P0 P18 0 WCS reader partly outside the code rail P0 1 P2 P18 0 WCS reader completely outside of the code rail 1 0 0 Current position value binary code...

Page 28: ...P06 P05 P04 P03 P02 P01 P00 Byte 4 0 OUT ERR A1 A0 DB P18 P17 P16 Byte 5 0 P15 P14 P13 P12 P11 P10 P09 P08 Byte 6 0 P07 P06 P05 P04 P03 P02 P01 P00 Request byte for read head Byte Bit 8 Bit 7 Bit 6 Bi...

Page 29: ...also supported by the new read heads F0 A1 A0 Read head address x 0 0 Read head address 0 x 0 1 Read head address 1 x 1 0 Read head address 2 x 1 1 Read head address 3 0 x x Send position value 1 x x...

Page 30: ...next servicing procedure The WCS3B read head emits a visual signal for the contamination detected state the yellow and red LEDs on the front of the read head flash alternately To clean the lenses the...

Page 31: ...rformed If these measures do not solve the problem the read head must be sent for inspection Function number for read head F0 0 send position value ERR DB OUT SST Description State 0 x 1 x P00 P18 0 r...

Page 32: ...put Request byte for read head Byte Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 1 0 1 1 0 0 1 A1 A0 Response telegram from the read head Byte Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1...

Page 33: ...the diagnostic bit is not set 1 Diagnostic bit read head dirty OUT ALL 0 Read head in code rail 1 Read head completely outside of the code rail OUT 0 Read head in code rail 1 Read head partially outs...

Page 34: ...hlighted in yellow in the figure below Start up behavior of the read head After the supply voltage has been connected the X position is set to the last valid X position and the VAL bit is set to 1 The...

Page 35: ...connected at the beginning and one device is connected at the end of the data line Figure 6 1 Connection of one reading head If two WCS readers are connected to one interface module there are two wir...

Page 36: ...ng of the data line one WCS reader is located at the end of the data line Both need the RS 485 terminator The second WCS reader is connected to the line connection between the interface module and the...

Page 37: ...on B The wiring version used depends on which is best suited for the application If three or four WCS readers are used on the same interface module connect these using spurs as shown in variant B Read...

Page 38: ...lded data cable including analog Unshielded cable for DC and AC voltages 0 60 V Shielded cable for DC and AC voltages 0 230 V Coaxial cables for monitors Group B Unshielded cable for DC and AC voltage...

Page 39: ...WCS2 read heads with a heater 6 wire data cables 3 x 2 can be used These data cables use two pairs for the voltage supply doubling the cable cross section and one pair for the RS 485 data line The tab...

Page 40: ...emale cordset 5 pin straight 5 m PUR cable shielded V15 G 10M PUR ABG M12 single ended female cordset 5 pin straight 10 m PUR cable shielded Field attachable single ended female cordsets and available...

Page 41: ...Pepperl Fuchs Quality Download our latest policy here www pepperl fuchs com quality www pepperl fuchs com Pepperl Fuchs Subject to modifications Printed in Germany DOCT 6499...

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