SMARTEYE Electronic Assembly User Manual
Contents
1. VIVG 1 14 5 CO LOI YJENNN TVIHIS 20 200145 OVJM3INI 013132. Filename SEA User Manual R7 doc SMARTEYE In Control SMARTEYE Electronic Assembly User Manual Page A 4 A 2 Display Fields The display consists of an upper and lower half each of which is composed of distinct fields An upper display always identifies the reader and age of a message as well as label error data The fields in the lower display are generally reserved for diagnostic figures there are a few exceptions described below A 2 1 READER Field This field shows the reader 0 to 7 from which the displayed message originated A 2 ERROR LABEL Field This field shows either a successfully read label or an error code for either an error detected while a label was being read or for an error on the serial communication line Labels are right justified in the five position field Error codes are always three characters left justified The leading character is always E The error for the corresponding error code is described in Error Messages section of this manual underlines are displayed in this field when switches indicate a request for which there are no messages A 2 3 AGE Field This field indicates how long ago in seconds the displayed message originated The age of a message older than 999 seconds is shown as 99
3. 071191 0 53 YIMOd JHL OLNI T1IV4 AVA GNNOdNOD ONITINd ANY SdIHO WIAW SV VIS 3HL 40 401 HONOYHL TIVISNI LON OG SSV JINO VAS INNON JINOLI N NOISH3A 0078 STULL gan 16 0901 Q3QQv gan 06 61 01 3SV313M AILO 09 11 LV 0 0 0 d3llOld L L OZYNAHVOE 01314 Z ZO0LdSNSLOnGOSdN3A3LSVASN H 3215 SIN I1V0S k 40 1 133HS 6 1 8 21190 NOILVOISILNSG ONISIM SOVAYSLNI 01315 SASLYVWS Jory 0395363 FI TLL O79 NMVSG 02 20 200145 6668 6468 847 XVJ 877 3NOHd 60987 NVOIHOIW STIIH 3163 133815 ONOG 692 NIIHS WILSAS JOMINOO OL 1404 NOLLVOINNNNOD 200000000000 1000000 000000 200000100000010000001000000 12000000
4. 15 10 3 RECEIVE 15 10 4 Received Commands etate trend 15 10 5 Messages Transmitted By The 16 10 5 1 Online Idle 16 10 5 2 Offline 17 a Filename SEA User Manual R7 doc gt SMARTEYE n Control SMARTEYE Electronic Assembly User Manual Page 11 F 10 5 3 Label 17 10 54 Bror M CSSA SCs T 17 10 5 5 Di gn stie MeSSaBe S E 17 10 6 Poll Mode 17 10 6 1 Summary Of Responses Poll Mode sse eee 18 10 7 Handshake once te eee ee ne ert 19 10 7 1 Summary Of Responses Handshake 19 10 7 2 Example 1 Handshake Mode Normal Operation 20 10 7 3 Example 2 Handshake Mode Abnormal Operation 21 10 8 Open Loop Mode idet eed eh Roa 22 10 8 1 Summary Of Responses Open
5. eene enne nnne nn nnne 4 8 0 icu D e 5 9 0 Smartey CPU u ua sas 6 9 1 Switch and Jumper Diagram n 7 0 2 Configuration Legend n pee e E E aaa 8 93 Memory Configuration 1 8 94 Address Selection SB 8 9 5 Diagnostic Address Selection 5 1 SB2 a 9 9 6 Communication Format And Baud Rate SB2 10 EMBED AS 10 9 8 H st Port Error Messages Erde eed eese ves 10 9 9 RS422 RS232 Selection JB2 and 85 11 9 10 RS422 Line Termination 5 11 9 11 Terminating RS422 12 9 12 Terminating RS422 Multidrop 12 9 13 RS422 Driver Compatibility 3 13 10 0 Serial Communication 13 10 1 Message Conventions AER A A 14 10 2 Checksum Calculation
6. Filename SEA User Manual R7 doc SMARTEYE In Control SMARTEYE Electronic Assembly User Manual Page 8 r ssr lt OrGpsOUII s snpne Tn 92 Configuration Legend DIP Switch B Switch off 0 Switch on 1 Jumper Jumper block not installed Jumper block installed 9 3 Memory Configuration JB1 EPROM Configuration Example 8K EPROM 8K RAM JB1 1 2 o 16K EPROM 3 16K EPROM 4 mm 8K EPROM X jumper installed 5 o o D don t care jumper can be in or out 6 8K RAM 5 user selectable option application dependent 7 9 4 Address Selection 581 SBI 0 mi Two most significant digits of Smarteye Electronics Assembly address 06 Shown 6 i 0 Reader in diagnostic mode 0 Shown E Filename SEA User Manual R7 doc SMARTEYE Control pr SMARTEYE Electronic Assembly User Manual Page 9 a Switches 1 through 5 form the first two digits of the address for each reader connected to the SEA The final digit of a reader s address corresponds to the reader s wired position on the field interface card LRO through LR7 For example if switches 1 through 5 of 5 are set
7. M29V18 31 081 51 04 Ni N oooooo0 ooooOO 200000 ooooO0 So8v 31 538 98 5987 941 cu 5987 598 598 5297 1 41 031 N viva 000008 L1 09 LINDI 39VJ83INI 071315 3A3IIVINS 35 91 19313 3A318VAS 23 VNOM 42061 IV 0 11 90 9 20 1 216 10 960146 30 3 006 OSL 1 L KYSOLdSNSLONACHAN I a 3215 ON SNIMVSGO 51 311 05 L 40 133HS 6 2 NOILO3NNOO ON ON 8 36 404 siva 8 9 913 1 MIYOS 3A3INVS OM 38 IBI3SSV Men 3101 VS NMVYG ren OOV 18 qii WO3J 6688 668 877 XVI 892 3NOHd QN3941 NvOIHOIW STIH M31S3HOOM 133415 ONOG 892 NOILWYOdYOO 2 034 JAILAVYVNS dNO IV Q3193NNOO 131841 335 6 6 30138 I 21 10 0145
8. SMARTEYE n Control SMARTEYE Electronic Assembly User Manual Page 19 rr sr s ssVEsHrar s 10 7 Handshake Mode In Handshake mode each Smarteye Electronic Assembly is connected to the host on its own communication line Messages are transmitted as soon as data is avallable without having been solicited by a received message The host must send an acknowledgement for each data message transmitted If a transmitted message is not acknowledged within a specified time approximately 3 seconds then retransmission occurs Messages are also retransmitted when communication errors occur If a message 15 received while acknowledgement is awaited and it is not the acknowledgement then retransmission occurs immediately Usually the response to a received message will be either an a online idle or n offline message which pertains to the reader of the received message However when an incoming message is received and another message has been prepared for transmission pertaining to any reader then the prepared message is transmitted If there is no prepared message and the received message was ack then no response is made Each reader in an SEA is set online at powerup in Handshake mode 10 7 1 Summary Of Responses Handshake Mode SEA Response Received by SEA online or offline r l e c a n I Initialize r l e c a Le c a B Box poll Same as S r le c a n N r l e c a n C One read diagnos
9. 1 200000 LIVISNI G3dANAP N33M9 M3MOd OQ 0078 JUIL gan 16 S Z 0901 Q3QQv N29 96 6 3SV3134 Wddv AILO 5 VNOM AH 80 6 IV 0 01 90 0311014 9MQ 1 ZIvNY3S L ZOLdSNSIOnQOSaNI a 3215 ON 311 05 L 30 133HS ANNOYD Ziv LO HZOLdS q 3IHS NIML 8 35 13 0 089 06 80 10 C13IH5 104 OTSIHS S lt STIWI3G 318VO NOLLVOINNNNOO 833NI9N3 pee ON 2 ASVIIIXQV WALSAS ALIHM NIML 8 V3S 3A3IMVWS JA3038 NEEND 6 LINX NIML JA3034 11355 SK LINX S Tu vse TYNYIS OND AG JAILYVNS OL ONnONO TYNOIS IE AG NOM NOU OL 238 LINSNVYL 099 034 10v 18 6958 78 847 XVJ 8 877 3NOHd NVOIHOIN STIIH YSLSSHOON 133815 ONOG 2892 034 6L8 0138 YOLOANNOO 0 748 0139 N 2 53 NIML 629 5 g v3S 04 y 130 1 130 JA3 Lel V WS G3lHS KX QN9 AG ON NIML JX gt 8 V3S 3A313VS LINX NOUS 938 934 Q13IHS AND AG NIML ON 8 V
10. 38 LSAW jO JHL Lar 0990 LINDYIO SOVAYSLNI xog 01315 3HL LV GND IG OL Q3193NNOO NOILONAL SI FIGVO 40 JHL Cala OL 96 02 Ren 21890 3 YIAIDIG WOU NOLLVTIVISNI 0351 LON SI LU Qmd 0081 8 6 81 113 dN3qu8 SW N33H9 HLM SI 5 END JUHM HUM SI xog JONVISIG XV Q3H HUM SI 1 3dAL 318V2 UE evi SMOTIOS SV 3198V0 86 2 46 NICE 1 PE eee 8 WON 5310 NIVYG QT3IHS 2 Xog8 2 33A303 1313 OL 318 0 83AI3034 S JUHM 8 Y34393 WOX V M3AGO3S 8 M 18 s343010Hd Tv X08 NMON8 SJAIOLOHd TV 1315 OL 033 xog EET 418vO YJANIS ATENISSV NOLLONAP S3A3010Hd OL YIJONIS 11084 0 0819313 01 446 N3Q138 X08 xog 5130 NOLLONQ 01314 0134 OL OMY 91 TWNOILdO OL u IWNOLLdO JIGVO NOISN31
11. SMARTEYE Electronic Assembly User Manual Revision 7 Version 096 Rev 8 SMARTEYE www smarteyecorporation com wp related documents SMARTEYE Sender Receiver Reader User Manual SMARTEYE Retroreflective Reader User Manual The material in this manual 15 for informational purposes and 15 subject to change without notice Smarteye Corporation assumes no responsibility for any errors which may appear in this manual O SMARTEYE Corporation SMARTEYE is a registered trademark of Smarteye Corporation Printed in U S A SMARTEYE contact information SMARTEYE Corporation 2637 Bond Street Rochester Hills MI 48309 Phone 248 853 4495 Fax 248 853 8539 www smarteyecorporation com Email support smarteyecorporation com SMARTEYE Electronic Assembly User Manual Page 1 n TABLE OF CONTENTS 10 Introduction 1 2 0 SEA Ge E 1 3 0 SEA Install8t on C 1 AC POWer WIEIBE Ou u Qn PEE eod ER 2 5 0 Power Supplies Me 2 6 0 Communication Line Wiring 3 7 0 Beader EE NE 3 7 1 Reflective Reader Wiring tete ete 3 7 2 Sender Receiver Reader Wiring
12. 11 05 L 40 133HS STIVL3G NOLLVTIWISNI 06 81 01 faan 313 5 21M FILL vss A8 8868 068 892 XJ 8699 068 890 WN NI LNSTVAINDZ OLIN 1N3S34d33 NI SY3EWNN 310N 60689 NvOIHOIA STIH HILSIHIOY 133415 ONOG LE9T 33luvws 0 290145 VIS 3HL dO 3015 JHL JO WOLLOG HONOYHL S3JIN3 AVA LINGNOO 905 00 91 ev81 IN3O 111 r 0 009 osz 00701 89 90 81 9091 2679 4 81 21 V 809 LE OL 4430 1531 Y3HLO TW 103135 8 193735 1 0 ya TW DILSONDVIG NOILVMOd8OO WS 2330 1531 dAV1 58308384 Tv 193135 8 193135 1 0 DILSONDVIG e Ove 10H 39V 138v1 YOYYI 1 3A312IVWS 4 mM io IN39 78 9670 d
13. Assembly enclosure A 15 volt supply provides power for the readers connected to the SEA This supply is completely isolated from the power supply that powers the processor within the enclosure A triple output power supply 5 12 and 12 volt provides the power for the CPU circuit card display card and the serial data communication link Both power supplies include a screw for adjusting their output voltage Using a voltmeter the output voltage may be adjusted to the listed nominal value E Filename SEA User Manual R7 doc SMARTEYE n Control SMARTEYE Electronic Assembly User Manual Page 3 F rc The power supplies include automatic current limiting circuitry with automatic recovery which limits short circuit output current to a safe value This provides protection against damage due to accidental shorting 6 0 Communication Line Wiring Communication line connections are made with screw terminals on a green snap in plug which mates to the SEA the lower left corner of the Field Interface circuit board Six connections are provided Belden 9730 cable or equivalent shielded pairs 24 gauge 15 recommended for RS422 connections Belden 8723 or equivalent 2 shielded pairs 22 gauge is recommended for RS232 connections A drawing of the Field Interface board SP1002 02 420 1 and a detailed wiring drawing SP1024 01 412 1 can be found in Appendix B at the end of this document 7 0 Reader Wiring Pre w
14. Loop Mode sse 22 110 Diagnostic Enable 20 120 Error Messages 24 Appendix Front Panel Display 1 l trod ction ta AS ORE En 1 1 1 NEMA 12 SEA Front Panel A 2 A 2 Panelmount SEA Front Panel Display eese A 3 ALD Display Field ee ee 4 21 READER Field erm ne RR 4 22 64 u l amnesti 4 23 AGE Field use 4 AZA HOLD 4 AS 4 nw BEE 5 C I 5 ADS KR A 5 WI ME GIL 5 A3 SWICHeS u 6 A 3 1 BACK HOLD FORWARD Switch 6 A 3 1 1 Bakst A 6 ABAD HOM titre rede eere eee ere ee iride 7 A 3 1 3 Fonds A 7 A 3 2 DIAGNOSTIC LABEL ALL A 7 A 3 2 1 Diagnostic 7 3 22 Label CERE ERE EIE A 8 3 2 3 All 8 3 3 THUMBWHEBL Switch i risirsasorssrsrsersnrersersnrersersasessnssnsersnsensessnsen
15. Smarteye Electronic Assembly is designed to function in the environment found in most industrial facilities An SEA 15 often used to support a programmable controller and will operate properly in the same environment It is rated for operation at temperatures from 0 to 50 C _ _ _ _ _ _ Filename SEA User Manual R7 doc SMARTEYE Control wm SMARTEYE Electronic Assembly User Manual Page 2 iT o n r s nph Electromagnetic interference on signal lines will not be a problem if the recommended cables are used for equipment interconnections The recommended cables will provide adequate shielding SEAs should be mounted so the switches are accessible and the front panel display can be seen conveniently On 12 units conduit should enter the SEA from the bottom If necessary conduit may enter through the sides of the SEA Installation of the conduit through the top of the SEA is not recommended as metal chips and pulling compound may fall into the power supplies Mounting dimensions and conduit locations for both the Panel Mount SEA and the NEMA 12 SEA can be found on drawing 5 1062 01 421 1 at end of this document 4 0 AC Power Wiring The Smarteye Electronic Assembly requires 0 4 amps at 120VAC 60 HZ 50VA Both Panel Mount
16. addition of a shunting termination impedance reduces the reflected signal at the receiver and diminishes ringing and overshoot The negative aspect of termination is that it reduces the magnitude of the received signal Termination is more likely to be required in applications where the line length is very long and the transmission speed is greater than that used for Smarteye applications However in the event that line termination is desired 220 ohm terminating resistors have been provided on both the transmitter and receiver lines jumper 3 and 4 of JB5 220 ohms significantly reduces signal overshoot and ringing reasonably matches the recommended cable Belden 9730 which has a characteristic impedance of 100 ohms and satisfies RS422 specifications which require a minimum receiver impedance of 90 ohms 9 12 Terminating RS422 Multidrop Polled A number of Smarteye Electronic Assemblies may be connected to a common host on a single transmission line In this multidrop configuration the transmitters of all of the SEAs are connected in parallel to the host s receiver Similarly the SEA s receivers are connected in parallel to the host s transmitter The following restrictions must be observed in this multidrop configuration 1 eliminate the possibility of two Smarteye Electronic Assemblies attempting to transmit at the same time the master device host repeatedly polls slave devices Smarteye Readers for data messages The communic
17. and NEMA 12 versions of the SEA can be ordered with power supplies for use at 220VAC 50 60HZ Three terminals for AC power connections are located at the upper right corner of the NEMA 12 enclosure The Panel Mount SEA has three terminals for AC power connections located on the exterior right side of the enclosure These terminals provide connections for L1 N and ground A glass type 3 amp fuse is used to protect the hot side of the line for both SEA types A two pole power switch opens both sides of the AC line circuit in the OFF position The Smarteye Electronic Assembly has been designed to be as immune to AC power line fluctuations as is practical However like most electronic equipment it can be susceptible to brownouts and severe voltage spikes The SEA should be powered with an AC line which is fed from the secondary of a transformer whose primary is electrically as close to the main power source of the facility as possible The AC line can supply other similar electronic equipment such as programmable controllers but should not power any heavy industrial equipment that causes excessive line fluctuations such as motors motor starters welders etc applicable codes and ordinances should be observed for wiring AC power and ground particularly the National Electrical Code published by the National Fire Protection Association of Boston Massachusetts 5 0 Power Supplies Two power supplies are included in the Smarteye Electronic
18. and displayed by the SEA Error 93 is sent to the host port 1f enabled 94 Photoeye C insufficient number of transitions in time allowed 95 Error 91 and 94 have been detected and displayed by the SEA Error 95 is sent to the host port 1f enabled 96 Error 92 and 94 have been detected and displayed by the SEA Error 96 is sent to the host port 1f enabled Note Errors 91 92 and 94 indicate that a photoeye is not transitioning while the other two photoeyes are Check reader height photoeye operation and reader wiring 99 Diagnostic attempt aborted acceptable hole pattern not found probably due to label speed variation _ _ _ _ _ _ _ Filename SEA User Manual R7 doc SMARTEYE Control SMARTEYE Electronic Assembly User Manual Page A 1 Appendix A Front Panel Display Introduction The Front Panel Display is an SEA option which makes it possible to observe the activity at each of the readers on the plant floor either in real time or in review Besides serving as a display diagnostic figures can be gathered for a particular reader when this function is enabled by the switches on a Front Panel Display and SB2 switch 2 Whenever a Smarteye Label passes a Smarteye Reader information is retained in the Smarteye Electronic Assembly which includes any or all of the following 1l Label number 2 Anerror condition
19. diagnostic mode with the Display switches is disabled Besides SB2 1 on and this switch in the DIAGNOSTIC position a specific reader must be indicated in the thumbwheel switch position 0 7 in order to put the reader in diagnostic mode All messages for the specified reader are displayed with this switch in the DIAGNOSTIC position If SB2 1 is off or if the thumbwheel is in a position other than 0 7 then the DIAGNOSTIC position of this switch is equivalent to the ALL position The Display switches provide one means to enable diagnostic mode for a reader There are two others see Section 11 0 Diagnostic Enable LEL A Filename SEA User Manual R7 doc SMARTEYE n Control SMARTEYE Electronic Assembly User Manual Page A 8 LL MEM M RE Only one reader at a time in an SEA can be in diagnostic mode Enabling diagnostic mode with the Display switches will always have precedence over the other two methods A 3 2 2 Label This position is used to display only label readings eliminating error and diagnostic messages 3 2 3 All If the thumbwheel is in position 0 7 then all messages for the specified reader are displayed If the thumbwheel is in position 8 then all messages queued are displayed A 3 3 THUMBWHEEL Switch This switch is used to 1 Selecta specific reader position 0 7 2 Select all readers position 8 3 Perform a brief l
20. that even if one exists it may be desirable to lower the line impedance The network described above will accomplish this Note that a simple termination resistor across the inputs of a receiver which has built in passive biasing will lower the receiver input voltage when the line is idle probably to a value for which the output is indeterminate This would cause communication errors The passive biasing network is much safer The jumper tables above show that the receiver of a Smarteye Electronic Assembly may include a simple terminating resistor or a passive biasing network Since all multidropped SEA s receivers are in parallel only one receiver may be terminated with either the simple resistor or passive biasing Otherwise the line load will exceed tolerance levels 9 13 RS422 Driver Compatibility JB3 The Smarteye Electronic Assembly is compatible with a variety of RS422 driver chips Jumper block 3 JB3 is used to accommodate the differences between manufacturers JB3 is configured at the factory and no alterations are necessary 10 0 Serial Communication Smarteye Electronic Assembly serial communication is governed by the protocol described in the following paragraphs references to messages received and transmitted are from the point of view of a Smarteye Electronic Assembly Message flow is usually in only one direction at a time However full duplex communication is implemented and during error recovery or when device co
21. 3S OL LINX 938 934 ANNOYD HLYVI ANNOYD TYNDIS Y0 8 v3s N3LSAS SN SDV SBK 5 g gt 3A31NVAS JOMINOO lt 3N303N STEN 8 8 N338 SOV 5 9 g 3LIHM g 8 N338 NIML SNOIAIHd OL 3A3038 NOM a DIV 03 0926 0139 0976 N33138 dONGILINW 54 CCy SM 1 130 1 LINSNVAL NSN td tt tod tt LV nvga 0096 IV 00 SI cv S8 40 HION31 NANIXYN OG SI 54 30 WAWIXVA 0009 SI ccv S8 30 WAWIXVA SALON 0608 lt 1203 0 NIML 1404 ASVIXN 040 VS 0 0 lt 6 0 020 45 TOY KE NIMI 190d TO8 INO NIML NIML Oe g v3s NIML MO 8 V3 3A313V coy 3A31NV 1 3JA3LNAS 40 SS3MQQV ONLLYVL 9204 42 4 JNN VIVO do LTOY AX 185 NOLLOJNNOO 0 4 42 G3TIVISN Goo 5 avaa 319 A 18 S 31849 S NOLLVNIAMIL MIYOS NI 9fl1d 2 55 22 53 YOLOINNOD 4 6 08 lt 08 lt 0 OLO VS 8 v3s NILSAS 59 3A3ISNWS 1041402 94 NOLLVYNIIANOO 08 AF 195 sb PO CO 1 avaa 31899 C
22. 4 v3s AT8W3SSV OINOHLOITI 1 5 HddV 31vq This page left intentionally blank gt SMARTEYE CORPORATION www smarteyecorporation com
23. 59 6798 98 847 8 877 3NOHd NVOIHOIN STIIH 3153 0 113815 ONOG 2592 JA3 LelV WS NOLLVTIVISN 0333 33344 gt SCL 86 OG 0081 SLL6 8 1334 3ONVISIG JONVISIG 1 3189 Lit 318 c 1 3LIHM Vl NOILO3NNOO ON NOLLVNINYSL M380S NI 9Nd 9 NOLLVNINGIL MIHIS QN3931 AINO 3NO IV 03193 38 ISAW 40 IM VIA 090 3094431 qii 3HL IV OND OG OL 03193 ATIVAGON SI 318 0 40 13315 ONICTING 19V JON ISAW XYT 318VO 40 XM 1130 3189 0350 LON SI N3389 SI HLM SI 034 SI 40110 318 3 486 ANY 6 C73IHS S3A30lOHd TY 31IHM 9 3A3010Hd 8 3A3010Hd V 3A3010Hd S343010Hd TV 038 A18N3SSV SOINOMI2313 01 446 N30138 038 S343010Hd TY xog NOLLONNP S3A3010Hd OL S 11013 86 62 1 X04 SNIQT3IHS Q3ldlJv 1o 5310 NOILVNINYIL gan 6 5 ANY 318VO Q3SIA3M gan 06 61 01 VIS Q3SIA3M OT 06 v 6 MOONE JML Q3SIA3M gan 06 S 1 3SV313M
24. 9 A 2 4 HOLD Light The HOLD light is on when the BACK HOLD FORWARD switch is in the HOLD position The light serves as a warning that messages will not be displayed in real time new messages are stored in the queue but will not be seen until the switch is put in the FORWARD position A 2 5 A Field The A field shows the diagnostic gain value 99 to 99 for photoeye A of the displayed Reader See the Smarteye Reader User Manual for diagnostic details LEL M w Filename SEA User Manual R7 doc SMARTEYE n Control SMARTEYE Electronic Assembly User Manual Page A 5 91 error 91 appears in this field if A is detected as not transitioning during diagnostic mode LCP last carrier past will appear in this field when all of the reader s messages including the most recent have been overwritten in the queue by newer messages from other readers forcing a display of the label of the last carrier past the reader Last carrier past 1s the label most recently read at a reader and is retained regardless of its age or how many other messages occur in the meantime It can only be displaced by the successful read of another label at the same reader which then becomes the new last carrier past A 2 6 BField The B field shows the diagnostic gain value 99 to 99 for photoeye B of the displayed
25. C S8 QN3931 0908 Ax 0903 XH 1904 K 1904 KG 0904 X lt 0904 Qx e 0905495 0 090 45 0904 090845 090545 908 X6 908 XH NIN ygu 8935 NIML 8 V35 1905 DE 908 Qx 4 3A3INVWS coos Qxce FALLS 1904 Qx 4 3A3lNVWS JA3BNWS 9904 AG 9908 AG dv dd 1908 AX 105 49 1904 X4 195 Y y Y 9 7 130 E 1130 2 2 1 1130 1 1130 318V9 Bree 31899 318v2 31899 31890 JYNIAGIL N31SAS W4LSAS WALSAS WALSAS AVIdSIO 4350 1041400 JOYINOD 1041 03 1041400 6 21 8 NIML HLIM 3SN 404 O3SIA3S 06 20 01 1 04 NIML 1 04 OL 1 04 54 1404 OL ZEZ S8 1 04 OL 1 04 54 1 04 OL 1 04 54 G NOLLVYNDIINOO NOLLVYNDIYINOD ZH NOLLVYNOIYNOO L NOLLVYNDIINOO 06 16 80 S318vO G3SIA38 06 01 10 3SV313M TVILINI Yddv NOILdINOS3Q 018 410 090145 a 3215 ON SIN 311 05 SNOLLVO MddV 8 V3S 404 51 1340 31979 S3Q0v3s 1439 0413 SASLYVNS E 39 3 133HS 06 2 1 OT 833NISN3 21 035 uL 9
26. VILINI A8 Yddv 31vq 53 d O QuVONVIS 14 9 VNO3 9 L 6 IV v0 01 90 0311014 9AQv 1 O LY NIYVMAYVH 9v18 1 355 N3389 9INO3123 13 JAILYVNS OL 18 3LIHM SISS 66 03 1 318V1 338 6 XY Q1SIHS X08 qii OL NOILONAL 9 JIEVD 3JAd4O010Hd Q1SIHS X08 1313 OL JE 31890 10 Q1SIHS X08 1315 OL V SIIV130 304 WANYN 335 2 3 3010 O O 318 0 3A3OlOHd 38IM 4B J18VO 3A3OlOHd Va 31999 3 3010 Y3dAN TYNOILdO 2 8 3A3010Hd O O 2 Va 3A3010Hd O Ya 319V9 010 xog qu 034405 YINOLSNI G3TIVISNI NMOHS 9 ASL OL Fava 40 SLOINNOO 335 7 W3LSAS 1081 03 OL JAILO3T434 0813Y L 040LdSNSLONAOHdN I 01314 WOMJ 3JAJOLOHd WO 3JAJOLOHd WO V JAJOLOHd WOU N3349 1404 OMINOO J 1
27. X3 33A139421 5 141304 18 51 130 404 9 9 33S SIONIS B GYVONVLS 14 9 31882 M30N3S 8343538 2 18 9 GYVGNVIS 14 SZ S EMI TNR W3ISAS 1041402 OL 8 318VO YINI0JY M3dNnr E 31841 335 1 N3349 1404 1081 09 WNOlLdO 2 V TAYO YINIOIY 1 ce DE 4 31 081 SINOd ad E 83 3939 3189 NOISN3DG 330N3S DEVI qui 5 2 0 20 20 0 2 092000 03114405 xog 1 FF 43AO1Sn2 OLLONNA SO8V nn on nn en SL an 43A01sn2 ann 7 1035 2000000 1 G3TIVISNI NMOHS ANNOY LIOA SL OL 40 SIO3NNOO N 09 11940 39VJ83INI 01315 3A3ISVINS 0 11 90 3 5513
28. amp test and then turn the display off in any position other than 0 8 The lamp test turns all segments of all lights on for 1 6 seconds then all segments are turned off When this switch changes regardless of the position in the queue of the message currently in the display the newest message satisfying the new criteria 1s displayed gt gt gt Filename SEA User Manual R7 doc gt SMARTEYE n Control SMARTEYE Electronic Assembly User Manual Page B 1 ELLE CL Appendix B Drawings Electronic Assembly Installation Details SP1062 02 421 This drawing shows the mounting dimensions of the SEA 8 Interface Wiring Identification SP1002 02 420 This drawing shows the field wiring interface SEA 8 and Twin Communication Cable Details SP1024 01 412 This drawing shows the communication wiring details Retro Reflective Reader Cable Details for SEA 8 Applications SP1040 01 410 CE model not available This drawing shows the Retro Reflective reader wiring details Sender Receiver Cable Details for SEA 8 Applications SP1054 01 412 CE Drawing SP1054 01 414 This drawing shows the reader wiring details Filename SEA User Manual R7 doc SMARTEYE Control WNOM 90 6 0 01 90 031014 9MQ Z L 1ZvNAV1dSIO INNON VIS Z Z90LdSNSLONGOHdVI 3215 ON 3NON
29. as shown above and the reader is wired to terminal strip position LR3 the address of the Reader is 063 Smarteye Electronic Assembly address 60 octal is commonly used since readers 60 67 octal convert to the ASCII characters 0 7 An SEA always addresses a full 8 readers from address to xx7 The following table shows the address of an SEA as a function of switches 1 through 5 of switch block 1 SB1 12345 Address octal 9 5 Diagnostic Address Selection SB1 SB2 One way to enable diagnostic mode for a particular reader is by setting switches 6 7 and 8 on switch block 1 SB1 678 while the SEA is powered up and switch 1 of switch block 2 is on SB2 1 on The reader specified by the new positions of SB1 678 is the reader for which diagnostic mode is enabled See Diagnostic Enable and Received Commands for other ways to enable diagnostic mode Reader Switch Filename SEA User Manual R7 doc 4 SMARTEYE Control wm SMARTEYE Electronic Assembly User Manual Page 10 m G c 9 6 Communication Format And Baud Rate SB2 SB2 E Diagnostic 0 Disabled 1 Enabled Host Port Error Messages 0 Disabled 1 Enabled Communication Mode See Table H Odd Parity 0 Disabled 1 Enabled _ Baud Rate See Table Communication Mode Baud Rate Open loop Handshake Paral
30. ation mode of the SEAs must be poll mode The transmitter of each SEA must tri state when it is not transmitting 3 The parallel combination of impedances of the SEA s receivers must be high enough so that the line is not overloaded The second and third of these restrictions are considered here _ _ _ _ _ _ Filename SEA User Manual R7 doc SMARTEYE Control wm SMARTEYE Electronic Assembly User Manual Page 13 ssV sOIn na m t Because the SEA s transmitters are tri stated there are times when all the transmitters are in a high impedance state 1 the state of the line is determined by conditions at the host To insure that the state of the line is predictable in this circumstance the host should include a passive biasing network A passive biasing network consists of three resistances one between 5VDC and the non inverting input one across the inputs and the third connected from inverting input to DC ground Very often an RS422 receiver will include a built in passive biasing network fail safe circuitry If the host receiver does not include this network then an external network should be provided to insure reliable communication In this case the resistor across the inputs 15 220 ohms the other two are 470 ohms The impedance of a built in passive biasing network will probably be relatively high so
31. ble label incorrect Hamming code Check label for obstructions 16 Unrecognizable label more than 5 leading zeros 17 Host message received w o cr terminator 19 Overload of input data from readers 20 Checksum error in host message received 30 39 Unrecognizable label incorrect number of data bits LSD least significant digit of error is the LSD of the number of data bits in the label read Errors 80 through 88 are associated with the Parallel Interface 80 Smarteye Parallel Interface just powered up 81 Unrecognized character received by Parallel Interface 82 Checksum error received by Parallel Interface 83 Unrecognized message received by Parallel Interface no cr terminator 84 Non printable character received by Parallel Interface 86 Electronics Assembly timeout waiting for message from Parallel Interface in response to message transmitted to it 87 Checksum error in message received from Parallel Interface 88 Unrecognized character in message received from Parallel Interface eee Filename SEA User Manual 7 4 SMARTEYE Control wm SMARTEYE Electronic Assembly User Manual Page 25 nn rev Errors 91 through 99 are detected during diagnostic 9 Photoeye A insufficient number of transitions in time allowed 92 Photoeye B insufficient number of transitions in time allowed 93 Error 91 and 92 have been detected
32. detected while the label was being read 3 Reader diagnostic figures This information plus errors detected on the serial communication line is available for observation with a Front Panel Display A single reader or all readers may be displayed Each item of reader information is retained as a message in a circular queue Messages are always stored regardless of the display options selected The queue has a capacity for 200 messages and messages are stored sequentially in the order of occurrence Messages can be displayed as they occur in real time or alternatively the queue can be scanned either backward or forward in time enabling reconstruction of a recent sequence of events The Front Panel Display consists of upper and lower displays and switches The switches determine which messages are being requested for display and provide means to enable diagnostic mode for a particular reader The layout of displays and switches is shown in the following diagram gt gt gt Filename SEA User Manual R7 doc pr SMARTEYE Control SMARTEYE Electronic Assembly User Manual Page A 2 1 1 NEMA 12 SEA Front Panel Display wp SMARTEYE E I Filename SEA User Manual R7 doc 4 SMARTEYE Control SMARTEYE Electronic Assembly User Manual Page A 3 A 1 2 Panelmount SEA Front Panel Display
33. eipt of a command of the same type L or C for the same reader If a command of a different type or different reader is received then Remote enable is reinitialized for the new command 5 L command is permanently disabled only with a U command or another L or C command A C command is disabled when the next label is read when a U command is received when another L or C command is received when it overlaps Display enable or when it is displaced by SB1 enable 6 U command will disable a Remote enable even if the reader referenced in the command is different than the reader of the Remote enable E Filename SEA User Manual R7 doc SMARTEYE Control SMARTEYE Electronic Assembly User Manual Page 24 r SEE OO d nem 12 0 Error Messages Error Code Meaning 00 Smarteye Electronic Assembly just powered up 01 Unrecognizable label too much data obtained 04 Unrecognizable label front and back bits 0 05 Unrecognizable label front and back bits 1 Note Errors 01 04 and 05 can be the result of parts of a carrier breaking the photoeye beams 06 Unrecognizable label incorrect parity Check label for obstructions 07 Parity error in character of host message received 08 Too many characters in received host message 10 Unrecognizable host message received 11 Message transmitted to host 15 too long 15 Unrecogniza
34. elect a reader 0 7 and set the selector switch to DIAGNOSTIC Make sure the Smarteye Electronic Assembly s C P U switch 1 of dipswitch block 2 SB2 1 is on Diagnostic numbers will appear on the display and on the serial communication line as a label passes the selected reader 2 SBI enable Set switches 6 7 and 8 of dipswitch block 1 SB1 6 7 8 on the Electronic Assembly s C P U to the desired reader number while SB2 1 is on Diagnostic numbers will appear on the serial communication line and the front panel display if installed as a label passes the selected reader 3 Remote enable Send a remote C or L command on the serial communication line Diagnostic numbers will appear on the serial communication line and the front panel display if installed as a label passes the selected reader Only one reader at a time in an SEA can be in diagnostic mode Thus the following rules determine diagnostic mode when a conflict between the different methods occurs 1 Display enable has precedence over the other two i e Display enable has effect regardless of the other two 2 When overlap occurs between 581 enable and Remote enable then the last to be enabled takes effect 3 Remote diagnostic lock L command is saved if it overlaps Display enable or is displaced by 5 1 enable A saved Remote enable will be restored when neither of the other two are in effect 4 When Remote enable is in effect it is unaffected by the rec
35. ented circularly modulo 10 for each new message transmitted by the SEA Enn error field description of the error for each value of nn may be found in Error Messages Asnn Bsnn Csnn Xsnn and Ysnn diagnostic readings Asnn Bsnn and Csnn are the trigger point numbers for photoeyes A B and C Xsnn is the alignment error between photoeyes A and B Ysnn is the alignment error between photoeyes B and C Zzz checksum is described in Message Conventions A summary of transmitted messages follows Each message 15 tagged with a lower case letter In the following sections which deal with the various communication modes a message transmitted as a response to a message received is represented by its lower case tag letter 10 5 1 Online Idle Message lt lf gt lt id gt lt er gt i poll mode lt If gt lt id gt Zzz lt er gt z poll mode with checksum lt lf gt lt id gt AZzz lt cr gt non poll mode T Filename SEA User Manual R7 doc gt SMARTEYE n Control SMARTEYE Electronic Assembly User Manual Page 17 n m s 10 5 2 Offline Message lt lf gt lt id gt NZzz lt cr gt n offline Online offline notes 1 transmitted messages will include a checksum 2 In poll mode the offline response occurs only when an online reader is taken offline with command Once a reader is offline there are no responses to any messages except the command or R Each of these commands will f
36. ermined independent of the label reading This results in two separate messages one for diagnostic and another for the label reading The diagnostic message will arrive first followed somewhat later by the label or error message The two messages may be separated in the queue by messages from other readers For the sake of interpretation it is best to show both messages simultaneously in the display To this end when moving forward in the queue and a label error message is encountered for the same reader as that of the currently displayed message then the lower display diagnostic is not cleared Likewise when moving backward and a diagnostic message is encountered for the same reader as that currently displayed the label error field is not cleared A 3 1 Back BACK is a spring loaded position which causes the next older message in the queue which fits the selection criteria established in the other two switches to be displayed If the oldest suitable message in the queue is reached then it remains on display rendering the BACK position equivalent to the HOLD position LEL A A Filename SEA User Manual R7 doc SMARTEYE Control SMARTEYE Electronic Assembly User Manual Page A 7 3 1 2 Hold HOLD will freeze current message in display indefinitely Only age field will be updated The HOLD
37. feet or the environment is electrically noisy then it may be necessary to connect the drain to DC ground at the reader s junction box This is accomplished with a jumper wire installed at the junction box Do not connect the drain at both ends of the cable Remove the jumper block JB1 1 at the SEA if a jumper wire 15 used at the junction box Never connect the drain to chassis ground _ _ _ _ _ _ Filename SEA User Manual R7 doc SMARTEYE n Control SMARTEYE Electronic Assembly User Manual Page 4 m c d 7 2 Sender Receiver Reader Wiring The three receiver cables are labeled A B or C The sender photoeye has a single unlabeled cable An optional junction box for the sender is used if extra cable length is required This junction box should provide two screw terminals labeled Cabling details can be found on drawing HSP1054 01 413 1 Appendix Note 1 Readers are delivered with the white signal wires of the receivers prepared for termination and with black wires tied back with shrink wrap The black signal wires are logically inverse to the white wires and are not used 2 All references to and refer to the 15 VDC supply of the Smarteye Electronic Assembly 3 The drain wires of the Belden 9773 cable are normally connected to DC ground at the SEA This is accomplished with
38. ired to each of the three receiver photoeyes in a reader assembly is a six foot long cable These three cables are labeled A B C Pre wired to the sender photoeye is a single twenty five foot long unlabeled cable four cables must terminate at a field junction box mounted less than six cable feet from the receiver The junction box should provide six screw terminals labeled A B C and SHIELD The Smarteye Electronic Assembly is connected to the readers through its Field Interface card The Field Interface provides eight plug in screw terminals black for the Smarteye Reader connections Belden 9773 3 shielded pairs 18 gauge is recommended for connecting the Field Interface card to the junction box 71 Reflective Reader Wiring The case of each photoeye and its cable are tagged A B or C Cabling details can be found on drawing SP1040 01 410 1 Appendix Note 1 Readers are delivered with the white signal wires of the photoeyes prepared for termination and with the green wires tied back with shrink wrap The green signal wires are logically inverse to the white wires and are not used 2 All references to and refer to 15VDC supply of the Smarteye Electronic Assembly 3 The drain wires of the Belden 9773 cable are normally connected to DC ground at the SEA This is accomplished with the jumper block JB1 1 on the Field Interface circuit card If the distance between the SEA and the reader is greater than 1000
39. irst place the reader online so that the resultant response is the online idle for poll mode 3 Online idle and offline messages do not include an R retransmit field nor T age field nor an S sequence number field Other messages transmitted by a Smarteye Electronic Assembly do include these fields 10 5 3 Label Message lt lf gt lt id gt Lnnnnn TnnSnZzz lt cr gt 1 label f id LnnnnnRTnnSnZzz cr r retransmit 10 5 4 Error Message lt lf gt lt id gt Enn TnnSnZzz lt cr gt e error lt lf gt lt id gt EnnRTnnSnZzz lt er gt r retransmit 10 5 5 Diagnostic Message lt lf gt lt id gt C Asnn Bsnn Csnn Xsnn Ysnn TnnSnZzz lt cr gt diagnostic lt lf gt lt id gt C Asnn Bsnn Csnn Xsnn Ysnn RTnnSnZzz lt cr gt r retransmit 10 6 Poll Mode Polled operation allows more than one Smarteye Electronic Assembly to be connected to the same communication line Messages are sent by Smarteye Electronic Assembly only in response to message received Two types of poll commands are supported reader poll solicits response from a specific reader while poll requests a message from any of readers in a particular SEA Box poll effectively increases polling speed by as much as a factor of eight In either case if there is no data to be sent an online idle response is transmitted The box poll id can be any of the eight readers in an SEA Acknowledgement is expected for any message tra
40. l SMARTEYE Electronic Assembly User Manual Page A 6 Switches There are three switches on a Front Panel Display One of these switches BACK HOLD FORWARD permits a review of messages accumulated in the queue When left in the FORWARD position messages are displayed in real time The other two switches DIAGNOSTIC LABEL ALL and the thumbwheel determine which messages are displayed Also diagnostic figures are gathered for a particular reader when the diagnostic function is enabled by these two switches A 3 1 BACK HOLD FORWARD Switch Messages are displayed as they occur in real time if this switch is left in the FORWARD position See FORWARD below Otherwise this switch can be used to locate old messages in the queue for review An old message can be viewed indefinitely with this switch in the HOLD position When switching from HOLD to either BACK or FORWARD the next message in the queue which is in the indicated direction and satisfies the criteria established in the other two switches will be displayed If the BACK or FORWARD position is continuously maintained then the first message is displayed for 1 6 seconds the second message is held for 8 seconds etc The display interval is halved for each succeeding message until it is 1 seconds 1 second interval applies until the end of the queue in the direction of traverse is reached When a label passes a reader which is in diagnostic mode the diagnostic figures are det
41. l 1234 obtained at Reader 63 1234 T02S7Zaj lt cr gt host receives label sends ack lt gt lt 63 gt 7 lt gt x timeout waiting for ack retransmit 1f 63 L01234RT45S7Zhi cr error host detects line error sends nak lt f gt lt 63 gt NZcn lt cr gt nak received retransmit lt 1 gt lt 63 gt 1 01234 5257710 lt gt 1 sequence number 57 enables the host to recognize this as a message previously received and to ignore the message send ack HERE ack received transaction complete Filename SEA User Manual R7 doc SMARTEYE Control 4 SMARTEYE Electronic Assembly User Manual Page 22 H EEE EE EEE EE nQ issus T 10 8 Open Loop Mode In Open loop mode each Smarteye Electronic Assembly is connected to the host on its own communication line A message prepared for transmission will be transmitted without having been solicited by a received message Acknowledgement is not expected Thus transmitted messages are not preserved and cannot be retransmitted The receiver can be a dumb terminal Whenever a message is received which is a device command the command is executed immediately The next new transmission pertaining to the reader including one which immediately follows will reflect the new status Usually the response to a received message will be either an a online idle or n offline message which pe
42. lel pe Poll Switch 3 0 0 1 1 Switch 410111011 9 7 Diagnostic Set 582 switch 1 SB2 1 to enable diagnostic mode With diagnostic mode enabled diagnostic messages will be generated for the selected reader See Section 11 0 Diagnostic Enable for Reader Selection If SB2 1 is off no diagnostic messages will be generated 9 8 Host Port Error Messages Set 582 switch 2 SB2 2 to to enable host port error messages With host port error messages enabled error messages will be sent to the host control system in addition to the display and history file If SB2 2 15 off error messages will only be sent to the display and history file _ _ _ _ _ _ Filename SEA User Manual R7 doc 4 SMARTEYE Control wm SMARTEYE Electronic Assembly User Manual 9 9 RS422 RS232 Selection 782 and JB5 RS232 Configuration JB2 JB5 gt gt 422 2 422 422 mo 9 10 RS422 Line Termination JB5 Page 11 RS422 Configuration JB2 JB5 232 EE 422 EE EN 1232 232 Jumpers 3 4 5 and 7 JB5 are provided to allow proper termination of communication line The type of termination required for a specific application depends on whether the communication line is a point to point line or a multidropped polled line and whether the transmitters on the line are ever tri stated Tri state is a high i
43. light will be on as a warning that new messages will not be displayed until this switch is put in the FORWARD position even though new messages are being stored in the queue A 3 1 3 Forward FORWARD is used to step toward newer messages in the queue When the newest message is reached then new messages are displayed as they arrive in real time if they satisfy the criteria of the other two switches For viewer comprehension real time messages are always displayed for at least 8 seconds Thus each message 15 held for 8 seconds or until another message arrives which displaces it in the display whichever is longer 3 2 DIAGNOSTIC LABEL ALL Switch This switch provides two display options label messages only or all messages It also provides a means to gather diagnostic figures for a particular reader When this switch changes regardless of the position in the queue of the message currently in the display the newest message satisfying the new criteria 1s displayed A 3 2 1 Diagnostic Mode When a reader is in diagnostic mode a diagnostic message is obtained each time a label passes the reader Diagnostic messages indicate necessary reader adjustments if any The DIAGNOSTIC position of this switch provides means by which a reader may be put into diagnostic mode locally on the shop floor The DIAGNOSTIC position is ineffective unless switch 1 of the CPU s dipswitch block 2 is on SB2 1 on In other words if SB2 1 is off then
44. meric field which follows A letter is also used in a received message to represent a device command Zzz is the checksum field where zz is two ASCII lower case letters representing the checksum byte The checksum byte is obtained as the exclusive or of all the bytes in the message string up to and including the checksum field indicator Z The two checksum characters are obtained for the checksum byte by adding each hexadecimal digit of the byte values 0 to to ASCII resulting in two lower case letters each with a value between a and p See the example calculation below On received messages this field is optional 1 if the Z field is not found then the checksum is not calculated Filename SEA User Manual R7 doc SMARTEYE Control SMARTEYE Electronic Assembly User Manual Page 15 Frs n V m io hy 10 2 Checksum Calculation Example ASCII String from SEA Checksum 5 Field Indicator pace lt If gt lt 63 gt L01234 T02S7Zaj lt cr gt 4 3031 32 33 34 2054 303253 37 5A Y Hex P di Checksum Representation Byte of ASCII String The exclusive OR of all Hex bytes above 09 HEX 61 is the Hex representation 61 614 foran ASCII 61 The equivalent of resulting Hex numbers 61 and 6A yields checksum byte aj 10 3 Received Poll lt If gt lt id gt lt er gt Polli poll w o checksum lt lf lt id gt Zzz lt cr gt Pollz poll with checksum 10 4 Recei
45. mmands are being received it is possible that messages may flow in both directions simultaneously Therefore another device communicating with a Smarteye Electronic Assembly should be implemented for full duplex A Smarteye Electronic Assembly may be set to communicate in one of four modes Poll mode Handshake mode Open loop mode or Parallel mode The first three of these are serial modes and are described in this manual Parallel communication is not described in this manual See the Smarteye Parallel Interface User Manual for details T Filename SEA User Manual R7 doc SMARTEYE Control SMARTEYE Electronic Assembly User Manual Page 14 c OO 10 1 Message Conventions communication message consists of a string of bytes terminated with an ASCII carriage return To represent the bytes in a message string the following conventions are observed A byte with a value that is non printable ASCII is shown as a character string enclosed m brackets lt gt line feed cr carriage return id binary number representing Reader ID e g lt 63octal gt Reader wired to terminal 3 of the Smarteye Electronic Assembly with address set to 60 octal nn represents a string of ASCII digits The digits are decimal unless otherwise noted s is a sign character preceding an nn string Its values are or space Other bytes are ASCII capital letters usually indicating the type of nu
46. mpedance state assumed by an idle RS422 transmitter so that another transmitter can drive the same line RS422 Line Termination JB5 422 422 User Selectable Option See Below User Selectable Option See Below Wl User Selectable Option See Below 232 User Selectable Option See Below 232 Jumper 3 termination Jumper 4 termination or passive biasing RS422 Typical Passive Biasing Configuration 1 5 EN gt 232 Ea 232 Places a 220 ohm resistor across the output of the RS422 driver for simple Places 220 ohm resistor across the input to the RS422 receiver for simple Filename SEA User Manual R7 doc gt SMARTEYE n Control SMARTEYE Electronic Assembly User Manual Page 12 mr s ss s ah oIsssOrn qW Oa k Fs Jumper5 Ties the noninverting input of the RS422 receiver to 5 volts through a 470 ohm resistor for passive biasing Jumper 7 Ties the inverting input of the RS422 receiver to ground through 470 ohm resistor for passive biasing 9 11 Terminating RS422 Point To Point In point to point communication the Smarteye Electronic Assembly s RS422 transmitter is always in an active low impedance state This usually insures a stable line and eliminates the need for special termination at the host s receiver inputs Likewise most host transmitters will hold the line stable eliminating the need for special termination of the SEA s receiver The
47. nsmitted other than online idle or offline Ifa transmitted message 1s not acknowledged then the next message received for the same reader will produce retransmission E Filename SEA User Manual R7 doc SMARTEYE n Control SMARTEYE Electronic Assembly User Manual Page 18 rm n x X M At powerup in poll mode each reader is set offline and remains so until an initialize device command is received for the reader or a restart command R is received for all readers in the SEA The restart and initialize command will clear the label and diagnostic message buffer in the SEA The restart on initialize command will not clear the error message buffer in the SEA 10 6 1 Summary Of Responses Poll Mode Received by SEA gt Pollz Initialize Ack Box poll Nak One read diagnostic Lock in diagnostic Unlock diagnostic Status inquiry Restart Take reader offline r 1 5 status when message received online offline r l e c i r l e c z Z r le c z r le c z fle c z r Le c z r Le c z r le c z 7 no response retransmission of previous message label message error message diagnostic message online idle w o checksum online idle with checksum offline T Filename SEA User Manual R7 doc
48. reader See the Smarteye Reader User Manual for diagnostic details E92 error 92 appears in this field if photoeye B is detected as not transitioning during diagnostic mode A 2 7 C Field The C field shows the diagnostic gain value 99 to 99 for photoeye C of the displayed reader See the Smarteye Reader User Manual for diagnostic details E94 error 94 appears in this field if photoeye C is detected as not transitioning during diagnostic mode 2 8 X Field The X field shows the diagnostic positional value 99 to 99 between photoeye and photoeye B of the displayed reader See the Smarteye Reader User Manual for diagnostic details E99 in this field means that the diagnostic attempt was aborted an acceptable hole pattern was not found probably due to label speed variation A 2 9 Y Field The Y field shows the diagnostic positional value 99 to 99 between photoeye C and photoeye B of the displayed reader See the Smarteye Reader User Manual for diagnostic details eireumflexes in this field indicate that the message currently being displayed has been overwritten in the queue with a new message The current display will not be retrievable again once another request is made with the switches i e message is lost when either the thumbwheel the DIAGNOSTIC LABEL ALL switch or the BACK HOLD FORWARD switch changes position III Filename SEA User Manual R7 doc gt SMARTEYE n Contro
49. rtains to the reader of the received message If however when an incoming message is received another message has been prepared for transmission pertaining to any reader then the prepared message is transmitted If there is no prepared message and the received message was ack then no response is made Each reader in an SEA 15 set online at powerup in Open loop mode 10 8 1 Summary Of Responses Open Loop Mode Received by SEA online or offline Le c a n I Initialize A Ack Le c N Nak Le c a n C One read diagnostic Le c a n L Lock in diagnostic Le c a n U Unlock diagnostic Le c a n S Status inquiry Le c a n R Restart Take reader offline noresponse label message error message diagnostic message a online idle non poll mode n offline T Filename SEA User Manual R7 doc SMARTEYE Control SMARTEYE Electronic Assembly User Manual Page 23 sv n Ter 11 0 Diagnostic Enable If a reader is in diagnostic mode then each time a label passes the reader a diagnostic message is obtained The diagnostic message comes in addition to any messages label message error message etc which would appear if the reader were not in diagnostic mode There are three different methods by which to enable diagnostic mode for a particular reader 1 Display enable If a front panel display option is installed then set the thumbwheel switch to s
50. sersnsensessnsensessnssnsessnene 8 Appendix B DAWNS mee Electronic Assembly Installation Details SP1062 02 42 B 2 B 2 Interface Wiring Identification SP1002 02 420 B 3 SEA 8 and Twin Communication Cable Details SP1024 01 412 B 4 B 4 Retro Reflective Reader Cable Details for SEA 8 Applications SP1040 01 410 B 5 B 5 Sender Receiver Cable Details for SEA 8 Applications SP1054 01 412 B 6 GE Filename SEA User Manual R7 doc SMARTEYE Control SMARTEYE Electronic Assembly User Manual Page l nA O 1 0 Introduction A Smarteye system consists of a Smarteye Electronic Assembly SEA electrically connected to one or more Smarteye Readers As many as eight readers can be connected to a single SEA Smarteye Readers sense an identification number coded into a Smarteye Label When a label moves past a reader signals are sent from the reader enabling the SEA to determine the label identification number Smarteye Labels are typically constructed of 12 gauge steel and come in a variety of lengths to suit specific application requirements A label contains a pattern of punched slots which can be detected by a reader as the label moves past it Smarteye Labels are easily installed and well suited to the rugged indus
51. tch to 8 the Diagnostic Label switch to AIL and the Back Hold Forward switch to Forward Now turn on the SEA and check the front panel display against the diagram below The AGE field should start counting from zero and continue to increase in seconds The ERROR LABEL field should remain as shown as well as the RDR field ERROR LABEL AGE HOLD m 10 o X Y _ _ _ _ _ _ _ Filename SEA User Manual R7 doc SMARTEYE Control SMARTEYE Electronic Assembly User Manual 9 0 Smarteye CPU The intelligence of Smarteye Readers is contained in the Smarteye CPU circuit card The following features are included in the CPU circuit card hardware The diagrams on the following pages describe the function of the various jumper blocks and switches Prior to shipment the switches and jumpers are set to match the anticipated customer Interface to inputs for up to eight readers Interface to an RS422 communication line Interface to an RS232 communication line Switches to set operating parameters Jumper blocks to modify connections for communication mode and memory size environment Filename SEA User Manual R7 doc 4 SMARTEYE Control SMARTEYE Electronic Assembly User Manual Page 7 9 1 Switch and Jumper Diagram
52. the jumper block JB1 1 on the Field Interface circuit card If the distance between the SEA and the reader is greater than 1000 feet or the environment is electrically noisy then it may be necessary to connect the drain to DC ground at the reader s junction box This is accomplished with a jumper wire installed at the junction box Do not connect the drain at both ends of the cable Remove the jumper block JB1 1 at the SEA if a jumper wire is used at the junction box Never connect the drain to chassis ground _ _ _ _ _ _ _ Filename SEA User Manual R7 doc SMARTEYE Control SMARTEYE Electronic Assembly User Manual Page 5 rT EEE rea 8 0 Power Up After the SEA is mounted and the AC power is terminated an initial checkout can be completed When power is applied the Smarteye Electronic Assembly reads the setup switches and initializes its internal data If the communication mode is either Handshake Open loop or Parallel then all readers are brought online and are ready to read labels If Poll mode is indicated then readers are offline at power up and are not put online until an initialization message or R is received from the control system A Smarteye Electronic Assembly power up always creates error 0 messages for all eight readers Check the front panel display as follows Set the thumbwheel swi
53. tic r l e c a n L Lock in diagnostic r l e c a n U Unlock diagnostic r l e c a n S Status inquiry r l e c a n R Restart Take reader offline r le c n no response retransmission of previous message label message error message diagnostic message a online idle non poll mode n offline Filename SEA User Manual R7 doc Ww SMARTEYE Control SMARTEYE Electronic Assembly User Manual Page 20 10 7 2 Example 1 Handshake Mode Normal Operation Previous transaction complete line is quiescent SMARTEYE HOST COMPUTER label 1234 obtained at Reader 63 C 1234 T02S7Zaj lt cr gt host receives label sends ack lt gt lt 63 gt 7 lt gt label 1235 obtained at Reader 65 lt If gt lt 65 gt L01235 01887 lt gt host receives label note sequence number is incremented to S8 sends ack lt gt lt 65 gt 7 lt gt label 1236 obtained at Reader 67 1236 T03S9Zaa lt cr gt host receives label note sequence number is incremented to S9 sends ack lt lf gt lt 67 gt AZcg lt cr gt Filename SEA User Manual R7 doc a SMARTEYE Control SMARTEYE Electronic Assembly User Manual Page 21 oO IIs sr a ns s 2 10 7 3 Example 2 Handshake Mode Abnormal Operation Previous transaction complete line is quiescent SMARTEYE HOST COMPUTER labe
54. trial environment A Smarteye Electronic Assembly processes label inputs from Smarteye Readers and communicates this information in ASCII form to a control device such as a programmable controller or a host computer Four different communication modes are supported including one which provides a parallel input output interface to a programmable controller An optional front panel display allows the SEA to display the activity at each of the readers either in real time or in review Reader diagnostic information and communication line errors are also displayed 2 0 SEA Types The Electronic Assembly comes in two versions a NEMA 12 type and a Panel Mount style The NEMA 12 SEA has a sealed cabinet and can be mounted in the open The Panel Mount SEA has an open type enclosure and is designed to be mounted in the user s NEMA 12 panel Either SEA can be ordered with or without a front panel display The Electronics Assembly enclosure includes the following major items l AC power terminals fusing and power switch 2 Smarteye CPU circuit card 3 Field interface circuit card with optical isolation circuitry to separate field signals from processor signals Plug in screw terminals are provided for connection to field wiring from readers Also included is a plug in screw terminal for communication line connection Power supplies for readers CPU and communication line operation 5 Optional front panel display 3 0 SEA Installation The
55. ved Commands lt lf lt id gt c lt cr gt command w o checksum lt lf lt id gt cZzz lt cr gt command with checksum Where is replaced by one of the following command characters I Initialize the reader online R Restart initialize all readers in the enclosure online B Box poll request message from any reader in the SEA Filename SEA User Manual R7 doc SMARTEYE in Control pr SMARTEYE Electronic Assembly User Manual Page 16 gt EEE EEE SEE Ack the previous device transmission Nak previous device transmission Status inquiry regarding reader Create diagnostic message for next label at reader Lock in diagnostic for all labels at reader Unlock diagnostic at reader Take reader offline Note The Nak command is used when the host detects a line error Upon receiving a Nak the SEA will retransmit the original message 10 5 Messages Transmitted By The SEA Communication characters include one start bit eight data bits an optional parity bit and one stop bit The fields in transmitted messages include Lnnnnn Label field where nnnnn is the number of the carrier which has just passed Reader id The number of digits in the Label field is five filled with leading 0 s if necessary Tnn time field indicating the age of the message in tenths of seconds e g T45 indicates a message 4 5 seconds old Sn sequence number where n ranges from 0 to 9 increm
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