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Manual

VEK S4

03/09

FEIG ELECTRONIC GmbH

6 Technical

data

Supply voltage:

12 to 24 V DC +/- 20 %
SELV, limited power sources according to EN 60950-1

Power consumption:

typ. 900 mW, max. 1,2 W

Ambient temperature:

-20 °C to +70 °C

Storage temperature:

-40 °C to +85 °C

Humidity:

max. 95% non-condensing

Loop inductance range:

25 – 1200 µH

recommended loop inductance

80 – 300 µH

Working frequency

30 – 140 kHz

Sensitivity

max. loop cable length

300 m

max. loop internal resistance

Ω

(incl. cable)

Loop inputs

galv. isolated (1kV),
90V gas tube arresters to PE contact

Cycle time

8 ms

Loop geometry

Head gap:

250 cm and 400 cm

Length:

100 cm and 250 cm

Both loops must have an identical design.

Speed measurement

Measuring range 10 km/h to 255 km/h
Tolerance under 100 km/h, +/-3 km/h
Tolerance over 100 km/h, +/-3%
Resolution 1 km/h

Length measurement

10 dm to 250 dm for constant vehicle speed
Tol/- 3 dm

Vehicle classification 8+1 classes

Car, car with trailer, truck, truck with trailer, van, bus,
motorcycle, articulated vehicle and unclassifiable vehicle

Outputs

Low-Side Switch
Open Drain, short-circuit protected
max. 45 V / 350 mA, R

= 1,7

Ω

Enclosure

Plastic housing, IP 30 for DIN rail mounting
Polyamide PA 6.6, blue

22.5 x 99 x 114.5 mm (W x H x D, excl. connector)

Integrated function ground contact via DIN rail

Weight

125 g (260 g with packaging)

Connections

Loops 1-4,
altern. CAN-/RS485- Bus and
supply voltage
Open Drain outputs 1-4 (Option)

4-pole plug terminals, 0.2 – 2.5 mm² (AWG 24-14)
Phoenix Combicon MSTBT 2.5, blue

Supply voltage, RS485,
Synchronisation

10-pole IDC plug with flat cable on frontside

Interface

RS 485

2400, 4800, 9600 Baud, 19200, 38400, 57600 Baud, 8E1
Termination 120

Ω

, Pull-up / Pull down 470

Ω

switchable

CAN

100, 125, 250 kBit/s, 500, 800 kBit/s, 1 MBit/s,
Termination 120

Ω

switchable

Содержание VEK S4

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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