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24

I

n general, devices that communicate using radio frequency, such
as your system, can be sensitive to signal interference and signal
attenuation. This chapter provides tips for optimizing radio-

frequency (RF) communications with your InstaScan and Dura-label.

Topics in this chapter include:

• Signal interference

—

see page 25.

• Signal attenuation

—

see page 26.

• Optimizing performance

—

see page 27.

Chapter 3

Chapter 3

Chapter 3

Chapter 3

Chapter 3

RF Communications

RF Communications

RF Communications

RF Communications

RF Communications

DRAFT

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Содержание INSTASCAN S512-C

Страница 1: ...INSTASCAN SCANNER MODEL S512 C Operations Manual SCS Corporation 10905 Technology Place San Diego CA 92127 Phone 858 485 9196 Fax 858 485 0561 www scs corp com info scs corp com DRAFT...

Страница 2: ...e d i n t h i s O p e r a t i o n s M a n u a l S C S m a k e s n o c o m m i t m e n t t o u p d a t e o r k e e p c u r r e n t t h e i n f o r m a t i o n i n t h i s O p e r a t i o n s M a n u a...

Страница 3: ...s 1 3 C o n n e c t i n g t o a P C S e r i a l P o r t o r R S 2 3 2 1 4 C o n n e c t i n g t o a n A C O u t l e t 1 5 T e s t i n g t h e S c a n n e r S e t u p 1 6 A l i g n i n g t h e A n t e...

Страница 4: ...r S p e c i f i c a t i o n s 3 4 C h a p t e r 6 D B 2 5 C o n n e c t o r F u n c t i o n 3 6 P i n A s s i g n m e n t s 3 7 R e c e i v e A n t e n n a S e l e c t L i n e s 3 7 T r a n s m i t A...

Страница 5: ...information to and reads information from RF tags using a read write head antenna The scanner conforms to FCC Part 15 specifications and can operate with one or two externally connected antennas Dura...

Страница 6: ...ne contaminants such as dust dirt oil and mist as well as label damage and objects residing outside the line of sight result in inefficient and erroneous results The SCS Interactive Identification Sys...

Страница 7: ...ags in the scan field without misidentification or identifying the same tag multiple times Its technology also uses a robust protocol that maintains a uniform per tag scan time regardless of the numbe...

Страница 8: ...into its own connector on the rear panel of the scanner Warning RF cable connections should be tightened to 8 inch pounds Over tightened RF cables damage the ports on the antennas and the S512 C Loos...

Страница 9: ...m requirements 486 processor or better Compatible screen and keyboard 9 pin RS 232 port Windows 95 or 98 16 MB of RAM 32 MB recommended The applications you use to interface with this system may have...

Страница 10: ...ovides information on radio frequency RF communications Chapter 4 Troubleshooting describes how to identify resolve and avoid problems when using the scanner and tag This chapter also contains Custome...

Страница 11: ...Installation Installation Installation T his chapter provides instructions for installing the S512 C scanner and tag s LEDs and Connectors The scanner provides the connectors and LEDs described in th...

Страница 12: ...wo coaxial connectors for connecting external antennas Either one or two antennas can be connected to the scanner For instructions on connecting antennas to the scanner refer to page 12 Figure 4 S512...

Страница 13: ...om external power supply Activity Error Yellow Flicker scanner detects tag information Constant flickering with no tag in the scanning field a Noisy environment or possible interference resulting in d...

Страница 14: ...tandard DC power receptacle The power supply provided with the scanner should be plugged into this connector and into the wall outlet For more information refer to Connecting to an AC Outlet on page 1...

Страница 15: ...ear desired antenna locations 2 Connect external antennas see page 12 3 Place the antenna for optimum read write operation see page 13 4 Connect the scanner to PC serial port or RS 232 see page 14 5 C...

Страница 16: ...5 If using one antenna it should be connected to antenna port 1 and antenna port 2 should be terminated with a 50 ohm load Figure 5 Connecting External Antennas Warning RF cable connections should be...

Страница 17: ...e In addi tion make sure there are no metallic surfaces between or in relative proximity to the scanner and tag For additional placement consider ations refer to RF Communications on page 24 When read...

Страница 18: ...not have a 9 pin connector A 15 pin to 9 pin adapter if your computer has a 15 pin serial port connector A 25 pin to 9 pin adapter if your computer has a 25 pin serial port connector These adapters ar...

Страница 19: ...the On Off switch on the scanner front panel is in the OFF down position 2 Connect the power cord of the power supply to the AC receptacle in the scanner front panel 3 Connect the other end of the po...

Страница 20: ...sure that the antennas are properly connected to the scanner 7 Select the Series 5 Test Tool icon in the Series 5 tools folder from the start menu 8 If the scanner is attached to COM1 or COM2 it will...

Страница 21: ...t between the antenna and tag or covering the tag antenna The S512 C can be configured to use one or two antennas If using only one antenna it must be connected to antenna port 1 and antenna port 2 sh...

Страница 22: ...etects two tags 18 The Write Test requires a write capable tag Place the tag within 5 inches of the transmit antenna 19 Click on the Write Test button and observe the results in the Test Results box I...

Страница 23: ...m the scanners menu select S512 C if this choice has not been selected previously 4 Select the button for Antenna 1 and then press the Go button 5 Move a tag into the scanning area the point where you...

Страница 24: ...pplications for example tags can be inserted into the front tail of a shirt or the waistline of pants using a heat seal patch and a heat press Because this system does not require line of sight scanni...

Страница 25: ...riate value then click the Connect button 3 After a few seconds the main SCS Demo dialog will come up The scanner is in List ID mode As you move a tag into the field in front of the antenna you will s...

Страница 26: ...m o r y l o c a t i o n w i l l b e c o m e e d i t a b l e w h i t e w h i l e w r i t e p r o t e c t e d m e m o r y l o c a t i o n s w i l l s t a y g r a y 4 M o v e t h e m o u s e c u r s o r...

Страница 27: ...f m e m o r y l o c a t i o n s u s e t h e c o m m a n d s i n t h e b l o c k s e c t i o n o f t h e w i n d o w E n t e r t h e s t a r t i n g m e m o r y l o c a t i o n i n t h e F r o m w i n...

Страница 28: ...s tips for optimizing radio frequency RF communications with your InstaScan and Dura label Topics in this chapter include Signal interference see page 25 Signal attenuation see page 26 Optimizing perf...

Страница 29: ...F s y s t e m s u c h a s a n R F l o c a l a r e a n e t w o r k L A N o r a n o t h e r I n t e r a c t i v e I d e n t i f i c a t i o n s y s t e m l o c a t e d c l o s e t o y o u r s y s t e m...

Страница 30: ...o u n d i n g t h e a n t e n n a o r t a g A l m o s t e v e r y o b j e c t f u r n i t u r e a n d p a r t i t i o n s i n t h e p a t h o f a s i g n a l c a u s e s s o m e d e g r e e o f a t t...

Страница 31: ...s o f f i c e p l a n c l o s e d o r o p e n a n d t h e p r e s e n c e o f w i n d o w s a n d d u c t i n g T h e R F f i e l d p a t t e r n a n d t h e r e a d i n g d i s t a n c e m a y b e i...

Страница 32: ...g roubleshooting roubleshooting roubleshooting roubleshooting Problem Problem Problem Problem Probable Cause Probable Cause Probable Cause Probable Cause Solution Solution Solution Solution The Power...

Страница 33: ...r Service see page 31 You receive an error message when configuring the scanner The scanner may not be turned on Verify that the Power ON LED is lit The scanner s serial port connection to your comput...

Страница 34: ...for at least 3 milliseconds No RF Power The supplied SCS Diagnostic tag may be used to verify that the scanner is transmitting RF power When held within a few inches of the transmit antenna the LED o...

Страница 35: ...i l a b l e 1 InstaScan Scanner Information I n s t a S c a n M o d e l N u m b e r S e r i a l N u m b e r l o c a t e d o n t h e b o t t o m o f s c a n n e r A n y m o d i f i c a t i o n s m a d...

Страница 36: ...n f i g u r a t i o n p r o g r a m F o l l o w t h e s e s t e p s t o r e t u r n y o u r s c a n n e r a n d a c c e s s o r i e s f o r s e r v i c e C a r e f u l l y p a c k y o u r s c a n n e...

Страница 37: ...e following patents Other patents outstanding 4 424 579 4 442 507 4 933 735 5 148 256 5 296 722 5 407 851 5 496 763 4 796 074 5 095 362 5 583 819 5 686 341 5 856 788 5 963 144 Chapter 5 Chapter 5 Chap...

Страница 38: ...I n p u t P i n 3 R e c e i v e D a t a O u t p u t P i n 4 I n t e r n a l l y c o n n e c t e d t o P i n 6 P i n 5 P r o t e c t i v e G r o u n d P i n 6 I n t e r n a l l y c o n n e c t e d t o...

Страница 39: ...perature 0 t o 5 0 C 3 2 t o 1 2 2 F Approved Standards F C C P a r t 1 5 Maximum serial cable length 1 0 m e t e r s 3 0 F e e t Dimensions 5 1 c m x 1 7 8 c m x 2 0 3 c m 2 i n x 7 i n x 8 i n Weigh...

Страница 40: ...it antenna select bit 5 9 TX_ASEL3 Transmit antenna select bit 3 10 TX_ASEL1 Transmit antenna select bit 1 11 RX ASEL5 Receive antenna select bit 5 12 RX ASEL3 Receive antenna select bit 3 13 RX_ASEL1...

Страница 41: ...4 a n d 1 1 a r e t h e h i g h o r d e r b i t s o f t h e h a r d w a r e p i n s t h a t s e l e c t t h e r e c e i v e a n t e n n a B i t 0 i s k e p t i n t e r n a l t o t h e i n t e r r o g...

Страница 42: ...n a Q u a n t i t y c o m m a n d 3 D e f a u l t m o d e a u t o m a t i c a l l y c y c l e s t h r o u g h a l l a n t e n n a s T h e i n t e r r o g a t o r w i l l f r e e z e a t a c e r t a i...

Страница 43: ...o f t h e W r i t e P e r i p h e r a l O u t p u t s c o m m a n d T h e o u t p u t s a r e c o m p a t i b l e w i t h C M O S l e v e l s Table 5 O u t p u t C h a r a c t e r i s t i c s N o t e...

Страница 44: ...z e d o u t p u t o f t h e R F r e c e i v e r R e c e i v e r b l a n k i n g s i g n a l B L A N K W h e n l o w t h e m i c r o c o n t r o l l e r i s i g n o r i n g t h e o u t p u t f r o m t...

Страница 45: ...arranty repair any product that has been subjected to any abnormal electrical mechanical or environmental abuse FCC Part 15 Compliance The FCC has established rules that permit the scanner and tag sys...

Страница 46: ...w h i l e s p e n d i n g t h e o t h e r 5 0 o f t h e t i m e a t m o r e t h a n 5 a w a y t h e a l l o w e d R F e x p o s u r e l i m i t s w i l l b e s a t i s f i e d O p e r a t o r s s h o...

Страница 47: ...4 3 DRAFT...

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