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Scanning Head TK326

  

 

TK326_MAN_EXT_GB_V102 

 
Scanning of LED’s
 

 : 

Wavelength: 

450 ... 950 nm 

Distance to meter LED: 

25 ... 50 mm 

 
Pulse data: 
max. frequency 

1000 Hz 

max. rising time 

20 µs 

min. pulse width 

100 µs 

max. falling time 

20 µs 

min. pulse pause 

400 µs 

 
Squarewave  1:1: 
max. frequency 

1000 Hz 

max. rising time 

20 µs 

max. falling time 

20 µs 

 
Squarewave 1:1, Amplitude modulation 8 kHz: 
max. frequency 

500 Hz 

max. rising time 

20 µs 

max. falling time 

20 µs 

 
uncertainty of switching edge detection  

±

 1 µs  

 
 
Rotor marks scanning
 

wavelength LED in front 

450 nm 

distance to rotor disk 

25 ... 45 mm 

uncertainty of switching edge detection   

±

 1 

µ

s  

 

 

Summary of Contents for TK326

Page 1: ...TK326_MAN_EXT_GB_V102 OPERATION MANUAL Photo electric scanning head TK326 Keep for future use ...

Page 2: ...ger references 4 1 1 2 User information hints references 4 1 1 3 Text markings 4 1 General description 5 2 1 Scanning of rotor marks 5 2 2 Scanning of LED s 6 2 3 Views of the TK326 7 2 3 1 Front view of the TK326 7 2 3 2 Rear view of the TK326 7 2 4 Technical data of TK326 8 2 5 Using the TK326 with holding arrangement 10 3 Service 12 ...

Page 3: ...tructions Use of equipment tools cables in a manner not specified may damage the protection provided by the equipment Also observe the local safety regulation general guideline for accident prevention general guideline for safety engineering regulations If the units appears to be damaged or operates abnormally protection may be impaired Do not attempt to operate it and report the defect or damages...

Page 4: ... if ignored damage to property or person can occur 1 1 2 User information hints references The blue box with blue text is used in this manual to provide information hints and references to further documentation to user Blue box with black text provides information hints and references to further documentation to use The gray box with black text is used in this manual to provide tips 1 1 3 Text mar...

Page 5: ...ch on the rear side must be in the upper position opposite to LED see chapter 2 3 2 Place the rotor disk in the middle of the overlapping light spots as shown in figure 1 The scanning head uses blue LED s to lighten the rotor mark having a much stronger intensity than other available LED s and guarantee the best contrast to detect all known black and red even transparent rotor marks mark light spo...

Page 6: ...Avoid direct sunlight 2 2 Scanning of LED s For the scanning of LED s place the scanning head in front of the LED in approx 35 mm distance The switch on the rear side must be in the lower position LED see chapter 2 3 2 The potentiometer of the TK326 has no influence on scanning The scanning head is positioned in front of the diode to be scanned in approx 35 mm distance The diode on the rear of the...

Page 7: ...Scanning Head TK326 7 TK326_MAN_EXT_GB_V102 2 3 Views of the TK326 2 3 1 Front view of the TK326 2 3 2 Rear view of the TK326 Potentiometer Interface Pulse diode Switch Serial No Part No ...

Page 8: ...ata of TK326 Operating voltage 12 V 2 V DC Current input approx 60 mA Output 12 V max 50 mA Temperature range 0 70 C Connector RJ10 4 pole View from rear side Dimensions 37 x 40 x 41 5 mm W x H x L Output circuit Pin 1 not used Pin 2 0 V Pin 3 Output Pin 4 12 V ...

Page 9: ...ling time 20 µs min pulse pause 400 µs Squarewave 1 1 max frequency 1000 Hz max rising time 20 µs max falling time 20 µs Squarewave 1 1 Amplitude modulation 8 kHz max frequency 500 Hz max rising time 20 µs max falling time 20 µs uncertainty of switching edge detection 1 µs Rotor marks scanning wavelength LED in front 450 nm distance to rotor disk 25 45 mm uncertainty of switching edge detection 1 ...

Page 10: ...MAN_EXT_GB_V102 2 5 Using the TK326 with holding arrangement Examples for horizontal and vertical fixing at the meter LED Scanning Holding arrangement for TK326 standard TK326 Holding arrangement for TK326 optional up to max 220 mm ...

Page 11: ...GB_V102 Scanning of rotor marks Scanning of rotor marks Scanning of rotor marks sideways at electrical meters with bell jar Detail see right picture Holding arrangement TK326 Tension belt Fixing of the holding arrangement with tension belt ...

Page 12: ..._V102 3 Service If you have technical questions please contact our service department along with the following information serial number of the scanning head position see chapter 2 3 1 commissioning number detailed description of the problem ...

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