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VEK S4 Manual

2009-03-31
S4_Handbuch_GB_090331.doc

Traffic Detector -

VEK S4

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Summary of Contents for VEK S4

Page 1: ...VEK S4 Manual 2009 03 31 S4_Handbuch_GB_090331 doc Traffic Detector VEK S4...

Page 2: ...e errors can never be completely precluded in spite of all our efforts we are always grateful for corrections and suggestions The installation recommendations contained in this guide assume the most f...

Page 3: ...14 4 3 Factory settings 15 4 4 Synchronisation display 16 4 5 DIP switches 16 5 Case 18 5 1 Dimensions 18 5 2 Opening the case 19 6 Technical data 20 7 Connector and pin assignment 21 7 1 Power suppl...

Page 4: ...nection RS485 interface 4 Open Drain outputs Other features compact plastic case mounting on DIN rail avoidance of reciprocal influencing of the channels using multiplexing methods avoidance of recipr...

Page 5: ...cle data The typical frequency change for vehicles and its time course on two induction loops with known geometric dimensions are used for deriving the following factors vehicle class vehicle speed ve...

Page 6: ...methods The connected induction loops are switched on and off in rapid sequence so that current flows only through one loop at a time This prevents mutual interference between the loops of a detector...

Page 7: ...Detector Nr 3 can in the worst case affect all the loops of Detectors 1 2 4 and themselves be affected by these loops 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 VEK M4D Induction loops on multiple detec...

Page 8: ...the recommended range see Section 6 Technical data the frequency band setting can be restricted The detector may calibrate to a different frequency than shown in the above table This is not a problem...

Page 9: ...tion modul 1 Classifaction modul 2 Signals OpenCollector 3 Counter ever class and directoin OpenCollector 4 OpenCollector 1 OpenCollector 2 Loop allocation is firm Counter ever class ans direction Aug...

Page 10: ...ng Standard output Signals not inverted Respond to loop fault The interface can be used to temporarily turn the outputs on or off This allows you to implement control tasks such as controlling traffic...

Page 11: ...S defined in the VEK S3 are also supported In these cases one VEK S4 behaves like two separately addressable VEK S3 units Mixed operation of VEK S3 and VEK S4 on a common bus is not recommended Defaul...

Page 12: ...ame detector are preferably assigned to different channel numbers Otherwise the multiplexing sequence must be changed over during the commissioning 1 5 Multiplexing methods 1 6 Synchronisation 2 2 Mul...

Page 13: ...of the speed and length measurements should be made with reference to average values obtained from several measuring cycles 12 Speed The speeds of the vehicles must be measured with a sufficiently acc...

Page 14: ...key LED display in binary code Function 1x short Uses LEDs 1 4 to display the hardware address set with DIP switches 1 4 1x long Generates a hardware reset and before that displays the set hardware a...

Page 15: ...loop errors Standard hardware output for loop assignment Loop parameters Classification module 1 and 2 Head gap 250 cm TLS II loop Length adjustment 0 Amplitude factor 100 TLS II loop Loop length 100...

Page 16: ...for the CAN bus and RS485 interface The DIP switches are located inside the enclosure As shipped all DIP switches are in the OFF position 1 2 3 4 5 6 7 8 1 ON Address 0 15 RS485 Pullup Pulldown Bus t...

Page 17: ...etector with a 120 resistor Set DIP switch 7 to ON in the last detector In addition the two RS485 signal lines B and A must be connected once to 5V resp to GND with a 470 resistor each If this has not...

Page 18: ...Manual VEK S4 18 03 09 FEIG ELECTRONIC GmbH 5 Case 5 1 Dimensions...

Page 19: ...pening Loosen upper section A by gently pressing with a screwdriver on the side springs at B Remove upper section Closing Check orientation note contact surface C and PE contact D Guide circuit board...

Page 20: ...esolution 1 km h Length measurement 10 dm to 250 dm for constant vehicle speed Tolerance 3 dm Vehicle classification 8 1 classes Car car with trailer truck truck with trailer van bus motorcycle articu...

Page 21: ...lso connected to contacts of the front side ribbon cable terminal This means the supply and interface connections can also be made either using the plug terminal or ribbon cable When multiple detector...

Page 22: ...nd interface screwless terminals 7 4 Outputs OC1 OC2 OC3 OC4 The Open Collector outputs are short circuit protected When a signal is output the outputs switch on Low active Vbb U 45V Last OC1 4 7 5 PE...

Page 23: ...s 4 plug terminals configured 1m ribbon cable with 16 spring action contacts and an additional spring action contact The ribbon cable is trimmed to length by the user for the number of detectors If th...

Page 24: ...ly must be fulfill the requirements for SELV and limited power sources according to EN 60950 1 Wiring startup maintenance measurement and setting work on the traffic detector are to be performed only...

Page 25: ...of the classification modules Scanning mode Interf filter Response time 4 loops on 16 ms 2 loops on 8 ms 1 loops on 4 ms 4 loops off 8 ms Default or factory setting 2 loops off 4 ms 1 loop off 2 ms It...

Page 26: ...te The response thresholds of the VEK S4 are different from the response threshold of the VEK M4D for the same sensitivity f f 10 3 Hysteresis drop 4Ch In order to avoid an intermediate loss of the oc...

Page 27: ...ignal for 75 drop value threshold Detuning by vehicle Output signal 10 4 Holding time 4Ch Separate holding times between 1 and 255 minutes can be set for each channel on the detector A zero setting me...

Page 28: ...puts to the Open Drain outputs can be adjusted The assignment meters can be invoked via the interface For counting in time intervals the counting result must be determined from the meter readings at t...

Page 29: ...with wrong driver situations see appendix BS both loops Allocation 2 loop Correct behavior with column traffic should not seem to Rangierer FE Feig left 1 loop Correct behavior with column traffic an...

Page 30: ...well for Loops 3 and 4 or other loop combinations Explanations for the table xx Direction logic gray logic with incorrect count in this traffic situation ___ Imp Direction pulse Imp Direction pulse in...

Page 31: ...B F1 F2 FE SF BS Ri1 Ri2 1 2 on on 1 2 on Imp Imp Imp 1 2 off Imp Imp 1 2 on 1 2 off ___ Imp 1 2 on Imp Imp Imp 1 2 off Imp Imp 1 2 off off Imp Imp 10 5 1 3 Wrong way driver 1 PB D2 D1 DB F1 F2 FE SF...

Page 32: ...ver 2 PB D2 D1 DB F1 F2 FE SF BS Ri1 Ri2 1 2 on on 1 2 on Imp Imp Imp 1 2 off Imp Imp 1 2 on 1 2 off ___ Imp 1 2 off off ___ Imp 10 5 1 5 Maneuverer 1 PB D2 D1 DB F1 F2 FE SF BS Ri1 Ri2 1 2 on on 1 2...

Page 33: ...S4 FEIG ELECTRONIC GmbH 03 09 33 10 5 1 6 Maneuverer 2 PB D2 D1 DB F1 F2 FE SF BS Ri1 Ri2 1 2 on on 1 2 on Imp Imp Imp 1 2 off Imp Imp 1 2 on 1 2 off Imp 1 2 on Imp Imp Imp 1 2 off Imp Imp 1 2 off of...

Page 34: ...p Imp 1 2 off Imp Imp 1 2 on 1 2 off ___ Imp 1 2 off off ___ Imp 10 5 1 8 Cross traffic PB D2 D1 DB F1 F2 FE SF BS Ri1 Ri2 1 2 on on 1 2 on Imp Imp Imp 1 2 off Imp Imp 1 2 on 1 2 off ___ Imp 1 2 off o...

Page 35: ...rmitted In travel direction 2 1 even vehicles in traffic line situations are correctly counted whereby the vehicle gap must always enable a loop Logic for travel direction 1 2 The counter pulse arrive...

Page 36: ...Manual VEK S4 36 03 09 FEIG ELECTRONIC GmbH 11 Notes...

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