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MS-5000 Multidrop Concentrator User`s Manual

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1. oO IN 1 The default communications mode does not support pin 4 RTS If RTS is not required by the host pin 4 should not be wired as the results will be unpredictable MS 5000 Multidrop Concentrator User s Manual 1 9 Chapter 1 Setup and Installation 3 Configure Concentrator Typical multidrop configuration is a two step process decoders scanners and other devices are configured first then the MS 5000 concentrator The MS 5000 concentrator will communicate with lower level devices such as decoders scanners etc only if those devices have been configured in Mul tidrop Consult your scanner or decoder user s manual for its configuration instructions In general configuration settings between two devices will be made in the lower level device For example communications between a decoder and concentrator are made in the decoder but communications between a con centrator and host are made in the concentrator Communications host protocol and device status settings are stored in non volatile memory and are configured from a host or auxiliary terminal either by menu selection Chapter 3 serial command Chapter 4 Serial Commands or profile card command Chapter 5 Profile Card Configura tion Chapter 3 Menu Configuration explains the configuration settings To establish communication the host s or auxiliary terminal s communica tion settings must match your concentrator s settings
2. Figure 2 11 Special Multidrop Network MS 5000 Multidrop Concentrator User s Manual 2 11 Chapter 2 Multidrop Communications E fo o Q fe 3 N 2 12 MS 5000 Multidrop Concentrator User s Manual Chapter Menu 3 Configuration Chapter Contents i Using the Menu Configuration Program 3 2 o Communications Menu nene 3 5 D Host Protocol MENU sii seiman tenaga 3 9 Q Polled Device Status Menu 3 15 S Time Keeping MENU tene 3 15 zu Exiting and Saving Menu Changes 3 17 i Note Menu configuration in a multidrop network as described in this chapter applies only to the MS 5000 concentrator Configuration changes to decoders and scanners on a multidrop network can be made with serial K commands including device address or through the menus with an auxiliary monitor or profile card MS 5000 Multidrop Concentrator User s Manual 3 1 Chapter 3 Menu Configuration Using the Menu Configuration Program Entering the Menu Configuration Program To see the Main menu figure 1 1 from a host or terminal connected to the host port of the concentrator enter 51 lt D gt CR 2 1 3 4 D c ke le T 1 mM 1 Nani COMMUNICATIONS 7 MICROSCAN SYSTEMS INC A CONFIGURATION PROGRAM MAIN MENU 35 215001 15 TOPICS DESCRIPTIONS COMMUNICATIONS HOST PORT LAN PORT AND AUX PORT HOST PROTOCOL HOST PROTOCO
3. MS 5000 Multidrop Concentrator User s Manual A 13 Appendices A 14 MS 5000 Multidrop Concentrator User s Manual A ACK Acknowledge 3 12 Address assignment 5 4 by menu selection 3 11 by profile card 5 5 by serial command 4 7 ASCII terminal communications 1 10 ASCII table A 3 Auxiliary Monitor 2 6 Auxiliary Port Communications by menu selection 3 6 by profile card 5 6 by serial command 4 6 defaults A 2 B Battery backed RAM by menu selection 3 14 by serial command 4 10 Baud Rate by menu selection 3 6 Baud Rate aux port by profile card 5 7 by serial command 4 6 Baud Rate host port by profile card 5 5 by serial command 4 4 4 5 Baud Rate LAN port by profile card 5 7 binary calculation 5 9 Blocking Factor by menu selection 3 14 by profile card 5 8 by serial command 4 10 C Cabling maximum distances 1 5 Communications from the host 2 4 2 6 to the host 2 2 2 4 Index Communications menu 3 5 3 8 Configuration commands 4 3 4 11 Configure Concentrator 1 10 Copy configuration 5 4 D Data Bits by menu selection 3 6 Data Bits aux port by profile card 5 7 by serial command 4 6 Data Bits host port by profile card 5 5 by serial command 4 4 4 5 Data Bits LAN port by profile card 5 7 Date Output 3 16 Defaulting by profile card 5 4 A 6 Defining Special Characters 3 4 Device Status menu 3 15 Dimensions MS 5000 A 2 DIN receptacle 1 6 DIP switch A 9 DTE and
4. 22 F 46 G 47 47 X 78 y 79 23 H 48 49 48 Z 7A 7B 24 J 4A K 4B 49 7C 7D 25 L 4C M 4D 50 7E 7F MS 5000 Multidrop Concentrator User s Manual A 5 gt o T 5 2 o o Appendices Appendix C Defaulting the MS 5000 Defaulting will reset the concentrator parameters to the original factory set tings Defaulting might be necessary if communications between the con centrator and another device are interrupted or if using incompatible equipment for example a terminal is set to communicate at 9600 baud but the concentrator is configured at 38 4 K baud Note There are no menu options or host command s for resetting configuration Note Power must be available to the concentrator during default procedures Using the Profile Card Insert the end of the profile card labeled DECODER into the concentrator s host connector and turn the concentrator ON Set all four mode switches to OFF set number 3 data switch to ON as shown in figure A 2 and press the LOAD button See Write Read Default Menu on page 5 4 Listen for two beeps in suc cession the second louder than the first If the beeps do LOND iw a not occur as described repeat ONM m EE the default procedure 9 PROPICE SARD B Shorting Pins 7 and 11 eat refeizsa A Re ACTES If a profile card is not accessi J ble it is necessary to default the concentra
5. Mode and Data Switch Settings Mode 0 Write Read Default Menu Mode Switches Data Switches 1234 Write Read Default Menu On Of Mode 1 Copy Configuration and Assign Address MS 5000 Multidrop Concentrator User s Manual Mode Switches On Off Data Switches Address Address Address Address 123456 123456 123456 123456 1 14 27 2 15 28 3 16 29 4 17 30 5 18 31 6 19 32 7 20 33 8 21 34 9 22 35 5 10 23 36 11 24 37 12 25 38 13 26 39 a Also used for mode 2 9 10 11 and 12 Te 40 41 42 43 44 45 46 47 48 49 50 Mode and Data Switch Settings Mode 2 Address Mode Switches Mi On Off See mode 1 for switch settings Mode 3 Host Port Communications Mode Switches On Data Switches Baud Rate Parity Stop Bits Data Bits 123 45 6 7 600 None One Seven 1200 Even Two Eight 24
6. Point to Point with RTS CTS amp XON XOFF 7 User Defined Multidrop Example To change the Protocol to Polling Mode D enter 51 lt Kf4 gt CR If selecting Multidrop 5 you must define an address and add it to the for mat data B 4 6 MS 5000 Multidrop Concentrator User s Manual Serial Commands Format 51 lt Kfprotoco address gt CR Protocol Address 5 Multidrop Any number from 1 to 50 Example To change the Protocol to Multidrop with an address of 33 enter 51 lt Kf5 33 gt CR If selecting User Defined 6 or User Defined Multidrop 7 you must com plete the format by either choosing new parameters or entering commas for unchanged data fields Format 51 lt Kfprotocol address RES REQ STX ETX ACK NAK EOR XON XOFF RES REQ STX ETX ACK NAK EOR EOF XON XOFF gt CR Format lt Kfprotocol RES address REQ EOT STX ETX ACK NAK gt protocol 7 User Defined Multidrop Example To select an unpolled ACK NAK User Defined protocol with LRC disabled enter 51 lt Kf0 gt lt KF6 F AU gt lt KcO gt CR ACK and NAK will be displayed in the menu Note Address can be assigned any ASCII character except a null Control characters are used to define RES through NAK except Address Table 4 3 lists the control characters used for these data fields Refer to Table A 1 ASCII Table with Control Characters on page A 3 for more information Table 4 3 Protocol Commands Protocol Comma
7. WWW maan Polled Device Status Menu Time Keeping Menu Exiting and Saving Menu Changes Chapter 4 Serial Commands Summary of Serial Commands sss Configuration Commands ee Host Ports ea eroe pde eet Ts LAN Port iita ee e eR ate e Auxillary BO tentara MA IBI Host Protocol Commands oooWoWooWoomo om Time Keeping Commands ooooWooooo Operational Commands o o oooooWoooWoo MS 5000 Multidrop Concentrator User s Manual iv Chapter 5 Profile Card Configuration Summary of Profile Card Modes o ooooWoWooWoWoWoWomoWo Wo 5 2 Operating Instructions ooooooWoWooWoWo mee 5 3 Mode and Data Switch Settings oooooooo 5 4 Binary Calculations essen em eene 5 9 Appendices Appendix A MS 5000 Specifications A 2 Appendix B Quick Reference Tables o ooooooomoo A 3 Appendix C Defaulting the MS 5000 ooooooWoooo A 6 Appendix D Ground and Shield Considerations A 7 Appendix E Terminal Resistor A 9 Appendix F Interface Standards ooooooooooo A 10 Appendix G Glossary of Terms A 11 List of Illustrations Figure 1 1 System Diagram MS 7100 LAN eee 1
8. be slightly greater than the Turnaround Timeout setting which by default is 12 ms For a given baud rate it would seem that a simple multiplication of total characters times baud rate could be used to predict the duration of a polling cycle This is not the case as evidenced in figure 2 4 which shows that the actual time of 582 ms to poll 200 characters 25 decoders times 8 charac ters each is almost 3 times the time it should take to transfer 200 charac ters at 9600 baud The rest of the time can be accounted for by overhead addresses STX ETX and LCR characters etc Add to this the slow poll routine which varies depending on the number of inactive devices and the distribution of active addresses and it becomes clear that any formula you may derive will be imprecise and generally limited to your particular set of parameters C With no label C With 8 charactres from each decoder 582 ms 0 100 200 300 400 500 600 Polling cycle duration in millseconds Figure 2 4 Polling Cycle Durations for 25 Active Decoders MS 5000 Multidrop Concentrator User s Manual 2 7 de a x ke Ke O ke 3 3 Chapter 2 Multidrop Communications Multiple Concentrator Network Sometimes an additional higher level concentrator is required if for example you are installing more than fifty decoders in a network In this network the lower level concentrators are configured for Multidrop and assigned multidrop addresses
9. the concentrator by Microscan technicians Any data line as necessary can be shielded If used shielding should be isolated from the concentrator and grounded only to the host earth ground gt o T 5 2 O o Noise Interference Noise interference can be minimized if cabling subject to noise interference is twisted and or shielded or encased in grounded conduit and the conduit or shielding drain line is grounded only to earth ground at the host as shown in figure A 4 1 Examine the shielding connection at or near the concentrator cable connector 2 Cut the shielding connection as required Ground Loops Ground loops signal degradation due to different ground potentials in com municating devices can be eliminated or minimized by ensuring that the host concentrator s scanner s decoder s and their power supplies are connected to a common earth ground In some cases it may be possible to fully isolate devices by insulating mounting under each device and using the optional ground wire in the LAN cable rather than the power supply cable to ground the device chassis Power supplies that provide earth ground to the chassis should not be used here without modifications Ground loops can be avoided as shown in figure A 4 In this method the optional ground wire see Figure A 4 Network Grounding Diagram on page A 8 is disconnected at each device and each device chassis is earth grounded through the power
10. 2 describes various poll and select sequences with multidrop com munications Chapter 3 provides instructions for configuring the MS 5000 concentrator by menu Chapter 4 provides instructions for configuring the MS 5000 concentrator by serial command Chapter 5 provides instructions for configuring the MS 5000 concentrator by use of a Microscan profile card For specifications see appendix A The appendices also include reference tables as well as other useful information relating to bar coding and the MS 5000 concentrator Keystroke Entries Keystrokes to be entered from your terminal are highlighted in bold as in lt D gt including a lt left angle bracket symbol and followed by a gt right angle bracket symbol MS 5000 Multidrop Concentrator User s Manual Warning and Caution Summary Caution There are no user serviceable parts in the MS 5000 concentra tor Opening the concentrator voids the Microscan Systems warranty Caution This equipment generates uses and can radiate radio fre quency energy and may cause interference to radio and TV communi cations It has been tested and found to comply with the limits for Class A computing devices pursuant to Subpart J of Part 15 of FCC rules which are designed to provide reasonable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area could cause interference in which case the user at his or he
11. 7C 29 1D GS 61 3D 93 5D 125 7D 30 1E RS AN 62 3E gt 94 5E 126 7E Ai 31 T US ea 3F 95 5F 127 7F y MS 5000 Multidrop Concentrator User s Manual A 3 Appendices A 4 Table A 2 Summary of Serial Configuration Commands Command Effect 51 lt Kadata gt CR Host Port Baud Parity Stop Bits and Data Bits 51 lt Kbdata gt CR Host Port RS 422 51 lt Kcdata gt CR LRC 51 lt Kddata gt CR Preamble 51 lt Kedata gt CR Postamble 51 lt Kfdata gt CR Host Protocol 51 lt Kgdata gt CR Blocking Factor 51 lt Khdata gt CR Host Port Turnaround Timeout 51 lt Kidata gt CR Host Port Intercharacter Timeout 51 lt Kjdata gt CR RTS CTS 51 lt Kkdata gt CR XON XOFF 51 lt Kidata gt CR LAN Port Baud Parity Stop Bits and Data Bits 51 lt Kmdata gt CR LAN Port RS 422 51 lt Kndata gt CR LAN Port Turnaround Timeout Number of Devices 51 lt Kodata gt CR Auxiliary Mode 51 lt Kpdata gt CR Aux Port Baud Parity Stop Bits and Data Bits 51 lt Kqdata gt CR Full Screens 51 lt Krdata gt CR Battery backed RAM optional 51 lt Ksdata gt CR Poll Response Timeout 51 lt KIdata gt CR Time and Date Setting 51 lt KJdata gt CR Time and Date Output Table A 3 Summary of MS 5000 Operational Commands Command Effect 51 lt A gt CR Software reset but preserve data in buffers 51 lt B gt CR Reset including data
12. CTS and XON XOFF Polling Mode D Multidrop User Defined User Defined Multidrop Protocols define the sequence and format in which information is trans ferred between devices Generally there are two basic protocol modes unpolled and polled In unpolled mode all of the Point to Point protocols a concentrator transmits information without being asked for by the host In polled mode Multidrop Polling Mode D and User Defined Multidrop a MS 5000 Multidrop Concentrator User s Manual 3 9 2 c ke o T 1i mM Chapter 3 Menu Configuration 3 10 concentrator has an address and waits for a request from the host before transmitting data Note Protocols defined in the concentrator apply to communications between the concentrator and host or the concentrator and a higher level concentrator Point to Point Has no address and transmits data to the host whenever it is available without any request or handshake from the host Point to Point with RTS CTS Request to Send Clear to Send Used only with RS 232 This is a simple handshaking protocol that allows a concentrator to initiate data transfers to the host with an RTS request to send transmission The host when ready responds with a CTS clear to send and the data is transmitted RTS and CTS signals are transmitted over two dedicated wires as defined in Table 1 3 on page 1 9 Point to Point with XON XOFF Transmitter On Off Used with RS 232 or RS 422
13. P o D ES 2 O o 5 E When selected the displayed protocol commands match those of the previ ously selected protocol Thus to quickly define User Defined protocol first select a protocol whose default characters are similar to what you want to de fine for example Point to Point or Polling Mode D then select User De fined The default characters of the first protocol will load into the new protocol You can then modify individual protocol commands RES REQ etc by assigning any one or two ASCII character Table 1 5 shows the con centrator poll select protocol commands that can only be changed in User Defined and User Defined Multidrop 2 1 To delete any unwanted command assign a NUL null character 2 Definitions of protocol commands in User Defined and User Defined Multidrop must match those in host applications to allow communications sequences to execute cor rectly MS 5000 Multidrop Concentrator User s Manual 3 11 2 c ke o T 1i mM Chapter 3 Menu Configuration 3 12 Table 1 5 Protocol Commands Protocol Commands Effect Microscan ASCII mnemonics of Command mnemonics if different from Microscan RES EOT Reset REQ ENQ Request STX Start of Text ETX End of Text ACK Acknowledge NAK Negative Acknowledge EOR End of Record EOF SOH End of File XON DC1 Transmitter On XOFF DC2 Transmitter Off See Table A 1 ASCII Tabl
14. Preamble and send an FF form feed character enter 51 lt Kd1 4L gt CR Postamble Append up to two ASCII characters to decoded data Format 51 lt Kefirst data field second data field gt CR First Data Field Second Data Field 0 Disable Send up to five ASCII characters 1 Enable except a null OOH Example To enable Postamble and send an FF form feed character enter 51 lt Ke1 4L gt CR LRC The exclusive OR of all characters following SOM start of message up to and including the EOM end of message Format 51 lt Kestatus gt CR ne 0 Disable l 1 Enable Example To enable LRC enter 51 lt Kce1 4L gt CR S RTS CTS oO Ready to Send and Clear to Send Format 51 lt Kjstatus gt CR 0 Disable 1 Enable Example To enable RTS CTS enter 51 lt Kj1 gt CR MS 5000 Multidrop Concentrator User s Manual 4 9 Chapter 4 Serial Commands XON XOFF Transmitter on off Format 51 lt Kkstatus gt CR 0 Disable 1 Enable Example To enable XON XOFF enter 51 lt Kk1 gt CR Blocking Factor Number of records that can be buffered for batch delivery to the host Format 51 lt Kgblocking factor gt CRr Any number from 1 to 127 Default is 1 Example To change Blocking Factor to 5 enter 51 lt Kg5 gt CR Full Screens Toggle between full menu view and command line only view Format 51 lt Kqstatus gt CR 0 Disable 1 Enable Example To enable Full Screens enter 51 lt Kq1 gt CR Battery backed RAM Saves
15. This selection enables the host to transmit a single byte transmission command of start XON or stop XOFF If an XOFF has been received from the host data will not be sent to the host until the host transmits an XON During the XOFF phase the host is free to carry on other chores and accept data from other devices Point to Point with RTS CTS amp XON XOFF Used only with RS 232 It is a combination of Point to Point with RTS CTS and Point to Point with XON XOFF Polling Mode D Like Point to Point Polling Mode D requires a separate channel to the host but unlike Point to Point it requires the concentrator to have an address and to wait for a poll from the host before transmitting data When in Polling Mode D an address 1 is automatically displayed on the configuration screen However during transmission a 1C hex poll address FS and a 1D hex select address GS are substituted for the 1 See Table A 4 Multidrop Address Characters on page A 5 Multidrop Multidrop is only enabled in the concentrator when the protocol between the host and concentrator or between a concentrator and a higher level concen trator is intended to be RS 485 Multidrop and an address is assigned to the concentrator Note Once the concentrator is configured to Multidrop a profile card using mode 0 a terminal connected to the auxiliary port or a default procedure must MS 5000 Multidrop Concentrator User s Manual Host Protocol Menu be use
16. and a NAK respectively to the From Host ACK and NAK com mands The seven commas keep the current values for EOR XON XOFF RES REQ STX and ETX 4F and U assign an ACK and a NAK respec tively to the To Host ACK and NAK commands The remaining four To Host protocol commands EOR EOF XON and XOFF are omitted since they re main unchanged and are last in the command string Note A comma is necessary after each field except the last Therefore when inserting commas in place of unchanged protocol commands or fields remem ber to insert one comma for each field designated for that command string Example 2 To define a User Defined Multidrop protocol with an address of AY with standard Multidrop commands enter Address From Host Commands T TT 1 51 Kf7 Y D E B C F U Q S D E B C F U A Q S CR L To Host Commands or 51 lt Kf5 01 gt lt KF7 1Y gt CR The command lt Kf5 01 gt changes the protocol to Multidrop with an address of 01 This preloads all the Multidrop protocol commands so that only the MS 5000 Multidrop Concentrator User s Manual Serial Commands new address Y must be assigned in the User Defined command lt KF7 4Y gt Preamble Prepend up to five ASCII characters to decoded data Format 51 lt Kdfirst data field second data field gt CR First Data Field Second Data Field 0 Disable Send up to five ASCII characters 1 Enable except a null 00H Example To enable
17. but unlike RS 422 its transmitters are turned off until a request for data is received from the host RS 485 is used exclusively in Multidrop protocol Note Communications Menu in chapter 3 Menu Configuration has addi tional information on standards A 10 MS 5000 Multidrop Concentrator User s Manual Glossary of Terms Appendix G Glossary of Terms Active Status of an address that is assigned to an on line multidrop device AWG Abbreviation for American Wire Gauge This is a standard measuring system for wire sizes listed from 0 biggest to 40 smallest A 26 AWG is equivalent to 0159 in 0 405 mm in diameter Bar Code Data that has been encoded into an array of parallel bars and spaces of varying widths Baud Rate The term used to describe the number of discrete conditions or signal events per second In RS 232 and RS 422 485 systems baud rate is the same as bits per second bps Blocking Factor A parameter of the concentrator which defines the size of buffer records bar codes counters etc from decoders that will be batched to the host Concentrator Intermediary device which communicates with other devices and relays data from those devices to the host as well as com mands from the host to the devices Configuration The method used to change factory default settings for operational features to match a specific application Configuration can be done through menu selection or with serial
18. commands Connector Physical device plug or socket on unit or cable to provide in out connectivity for various circuits and pins Counter Memory space provided to keep track of read cycle events Data ASCII text such as label information no read messages and host serial commands Decoder A device that analyzes digital input provided by the scan head and translates it into bar code information Default The original factory settings Defaulting Act of resetting the reader to the original factory settings DTE Data Terminal Equipment Devices that act as a data source or desti nation EPROM Erasable programmable read only memory Host DTE device used to configure control and collect data from concen trators decoders and other devices Inactive Status indicating that no devices are present at that address Intercharacter Timeout The time that the concentrator will wait between individual characters transmitted from the host LAN Local Area Network gt o T 5 2 O o MS 5000 Multidrop Concentrator User s Manual A 11 Appendices Menu Configuration The process of changing factory default settings via a sequence of menus displayed on a terminal monitor Monitor DTE device which can echo data from the host or decoder and be used in configuration Multidrop communications protocol for networking two or more decoders or other devices with a concentrator or controller and characterized b
19. data in RAM for power up Format 51 lt Krstatus gt CR 0 Disable 1 Enable Example To enable Battery backed RAM enter 51 lt Kr1 gt CR Oo ke 5 i o Q 9 b 1 See also C Send Partial Buffer to Host Command on page 4 13 for related infor mation 2 Battery backed RAM is optional 4 10 MS 5000 Multidrop Concentrator User s Manual Serial Commands Time Keeping Commands Time and Date Settings Set current time and date settings Format 51 lt KIhour minute second DOW month day year Hour Minute Second DOW day of week 0 to 23 0 to 59 0 to 59 Sun 1 Wed 4 Sat 7 Month Day Year Mon 2 Thu 5 1 to 12 1 to 31 0 to 99 Tue 3 Fri 6 Time and Date Output Set format for time and date output lt KJtime output date output time separator time output date output time separator 0 Disabled 0 Disabled Any ASCII character 1 Hrs Min Sec 1 MM DD YYYY 2 Hrs Min Sec Hundreds 2 Day MM DD YYYY 3 DD MM YYYY 4 Day DD MM YYYY T ke Ke 0 Z ke gt z MS 5000 Multidrop Concentrator User s Manual 4 11 Chapter 4 Serial Commands Operational Commands lt A gt Reset not Save Reset not clear data buffers and not save changes for power up Format 51 lt A gt CR Example To send the same command with an lt A gt reset enter 51 lt Kq1 gt lt A gt CR lt B gt Reset and Clear not Save Reset clear data buffers and not save changes for power up Form
20. inserted and an initial izing command is appended in the following format 51 lt KparameterdataA dataB etc gt lt initializing command gt CR Where The 51 is the concentrator s address Less than lt and greater than gt brackets enclose the commands The capital K denotes a configuration command parameter identifies the command type and is a single alphabetical char acter that immediately follows the K with no space or comma separator dataA dataB etc are data fields within the command An initializing command lt A gt lt B gt or lt Z gt must follow each command or group of concatenated commands ACR carriage return character is the default ETX character When using serial configuration commands note the following conventions Parameters and data fields are case sensitive that is characters must be entered as upper or lower case as specified All data fields must be separated by a comma with no spaces If there is no change in a given field commas can be entered alone or with the existing data for example 51 lt Ka 0 gt CR or 51 lt Ka4 1 0 0 gt CR All fields preceding a modified field must be included For example to change Data Bits to eight see Host LAN and Aux Port Parameters in Communications Menu without changing any other field enter either 51 lt Ka 1 gt CR or 51 Ka4 1 0 1 CR All fields after the modified field can be omitted For example to change the concentrator
21. on Lb ultidrop i Power Object supply Detector MS 7000 Scanner RS 485 M i Power Object supply Detector TJ MS 7000 Scanner hal J i Power Object Detector supply 45 MS 7000 Scanner jam Drop Cable More Optional Monitor I menu access only Multidrop Trunk Cable J T junction box Figure 1 1 System Diagram MS 7100 LAN Bar coded Optional Monitor item flow Power JL supply Object Power Detector supply MS 5000 Multidrop Concentrator RS 232 422 MS 610 Scanner Power Object supply Detector C C Har MS 610 Scanner Object Detector Ho MS 610 x Scanner Drop Cable J T junction box Multidrop Trunk Cable Adp Adapter Junction Box Figure 1 2 System Diagram MS 610 LAN MS 5000 Multidrop Concentrator User s Manual Figure 1 1 shows a possible scanning system setup for the MS 4000 T Oo D et Le o a 5 a Figure 1 2 shows a possible scanning system setup for the MS 610 Note The MS 5000 concentrator uses an AC power pack to supply DC voltages 1 3 Pe 0 T a 5 o v a Chapter 1 Setup and Installation Basic Rules for Multidrop Layout a Overall length of main trunk cable from concentrator to last physical device in a multidrop network is 400
22. see Chapter Menu Configuration Also check that the code type enabled in the scanner or decoder matches the label in use Pe 0 T c a 5 o v a Communicating with an ASCII Terminal The MS 5000 concentrator communicates in full duplex terminal mode with no handshake It also recognizes carriage returns and line feeds The host or ASCII terminal must match default settings of 9600 Baud Rate Seven Data Bits Even Parity and One Stop Bit before any communication can occur To use a PC or Macintosh computer as an ASCII terminal a communications program Procomm Crosstalk Kermit etc set to the above defaults is required See Host Connector on page 1 8 for connections and your computer manual for communication s port pinouts 1 10 MS 5000 Multidrop Concentrator User s Manual Position Scanning Devices 4 Position Scanning Devices Position the scanning devices and decoders if used relative to the labels you will be scanning in your application Consult your scanning devices user s manual for important setup proce dures T o D et c 9 5 a 5 a MS 5000 Multidrop Concentrator User s Manual 1 11 Chapter 1 Setup and Installation 5 Install Concentrator Mount the concentrator temporarily using the four rubber pads or perma nently as follows a Position the concentrator in a dry place b Before mounting ensure that there is sufficient clearance at t
23. to 250 ms Host Port only Used only if the concentrator is in polled mode to its host It is used to deter mine if too much time has lapsed since the poll came in from the host for it to safely answer the host s poll It should be set to about 5 ms less than the turnaround timeout set in the host s LAN Port This will ensure that if a response is made by the polled device the host has not abandoned the device and gone on to another device P o D ES 2 O o 5 E Note Poll Response Timeout for the concentrator should be set to about 5 ms less than the turnaround timeout set in the host s LAN setup For example if the longest data string coming from any decoder is 40 characters set the host s LAN Port turnaround timeout to 50 ms and Poll Response Timeout for the con centrator to 45 ms MS 5000 Multidrop Concentrator User s Manual 3 7 Chapter 3 Menu Configuration Number of Devices Default 1 Options 1 to 50 LAN Port only Number of Devices allows you to reduce the number of addresses polled by the concentrator from fifty to as few as one use the number of the last address you want polled For example if you know that the concentrator will have only six devices on the LAN you can speed up polling by setting Number Of Devices to six Thus the concentrator will not waste the time set for Turnaround Timeout by trying to poll nonexistent devices The range is 1 to 50 devices Note You cannot assign an address that e
24. 0 feet There can only be one continuous main trunk line Drops to individual scanners are limited to 10 feet See Attach Cabling on page 1 5 for more information on cabling Modular RJ 11 6 pin cable to first device or junction is crossed see figure 1 3 All other modular RJ 11 6 pin LAN cables to networked devices are pin to pin Last device in network uses a 68 ohm terminal resistor see Appendix E Terminal Resistor on page A 9 Anew device can be added anywhere in system at anytime if new address is assigned Addresses do not have to match the physical order in which scanners are connected Concentrator Scanner Modular RJ 11 6 pin cable to 1st device is crossed ey or T junction S lt P d N Subsequent modular RJ 11 6 pin cables are pin to pin 6874 resistor in last junction or device between the receive Scanner lines of the last scanner or Decoder Figure 1 3 Multidrop Layout Diagram 1 The MS 5000 is slow polling See Polling Cycle Timing on page 2 7 1 4 MS 5000 Multidrop Concentrator User s Manual Attach Cabling JE 2 Attach Cabling o The MS 5000 multidrop concentrator has the following four connectors on 5 the rear panel figure 1 4 Power 5 pin DIN LAN modular 6 pin RJ 11 Host 25 pin D subminiature Monitor 9 pin D subminiature CA HOST MONITOR A 0000000000000 000
25. 00 Nbocoooooeoooo SA fo POWER LAN Figure 1 4 Rear Panel of MS 5000 Multidrop Concentrator Under ideal conditions maximum Table 1 1 Cable Distances cable lengths can meet the distances Cablin Maximum shown in table 1 1 However since 9 Distance cable lengths and sizes are dictated Rs_232 Concentrator to Host 50 15 2 m by local conditions such as wire size shielding grounding extraneous RS 422 Concentrator to Host 4000 1219 m signal noise etc maximum cable RS 485 Multidrop Trunk 4000 1219 m distances will vary RS 485 Multidrop Drop 10 3 m Note Use shielding around all cables where extraneous noise could lead to errors in transmissions See Appendix D Ground and Shield Considerations on page A 7 MS 5000 Multidrop Concentrator User s Manual 1 5 Chapter 1 Setup and Installation Power Connector e The power connector uses a 5 pin DIN receptacle with the following pin assignments If you are supplying the required DC voltages a mating power connector is required 9 Ab Table 1 2 Pin Connection 1 DC Ground 2 Chassis Ground 3 4 3 5 VDC 35A 5 4 4 12 VDC 30A 2 5 12 VDC 30A Figure 1 5 Power Connector Caution Switching power supplies for Microscan equipment with a Switching noise of 75 mV or greater with 5 VDC or of 30 mV or greater with 12 VDC is not recommended du
26. 00 Multidrop Concentrator User s Manual Attach Cabling Table 1 3 Host Connector Pin Assignments s Pin Signal Pin Signal amp 1 Chassis Ground 14 Transmit Data A D 2 Transmit Data 15 Reserved E 3 Receive Data 16 Receive Data A i 4 Request To Send 17 Reserved 5 5 Clear To Send 18 Reserved o 6 Profile Card 19 Transmit Data B 7 Signal Ground 20 Data Terminal Ready 12 VDC 8 Profile Card 21 Profile Card Input 9 5 VDC 22 Signal Ground 10 Reserved 23 12 VDC 11 Default Configuration 24 12 VDC 12 Profile Card 25 Profile Card 13 Receive Data B Caution Do not use a host cable with more wires connected than are required for the application The host connector of the concentrator has many outputs that could cause damage or interfere with normal operation if con nected and improperly used Note There must be 12V present before the concentrator will transmit data to the host However the concentrator will receive commands without the presence of either voltage Monitor Connector The monitor connector links the concentrator to an auxiliary monitor via a 9 pin D subminiature socket and cable Table 1 4 shows auxiliary terminal pin assignments Communication at this connector is RS 232 only Table 1 4 Auxiliary Monitor Pin Assignments Pin Signal Receive Data in Transmit Data out Signal Ground Figure 1 10 Monitor Connector on concentrator
27. 00 Odd 4800 9600 19200 38400 Mode 4 Preamble Postamble Mode Switches On Off Data Switches Preamble Postamble 1 2 Disable Disable Enable u Enable T v x ke o O o 2 MS 5000 Multidrop Concentrator User s Manual xe Cc o xD ue le T Te Chapter 5 Profile Card Configuration Mode 5 Protocol Host Port RS 422 Mode Switches On Off Data Switches Protocol RS 422 123 4 Point to Point Disable Point to Point with RTS CTS Enable Point to Point with XON XOFF Point to Point with RTS XON Polling Mode D Multidrop User Defined User Defined Multidrop Mode 6 Aux Port Mode Mode Switches On Off Data Switches Aux Port Mode 12 Disable Enable MS 5000 Multidrop Concentrator User s Manual Mode and Data Switch Settings Mode 7 Aux Port Communications Mode Switches On Data Switches Baud Rate Parity Stop Bits Data Bits 123 45 6 7 2400 None One Seven 4800 Even Two Eight 9600 Odd 19 2K 38 4K Mode 8 LAN Port Communications
28. 01 and 02 as shown in figure figure 2 5 Each lower level concentrator polls its devices then holds that data until polled by the higher level concentrator which in turn relays the data to the host Each concentrator has the capability to buffer 18 000 characters Note To allow enough time for data retrieval LAN Turnaround Timeout for Concentrator X see figure 2 5 must approximately be greater than double LAN Turnaround Timeout for Concentrator 01 For example if Concentrator 01 is set to the default of 12 ms try setting Concentrator X to 25 ms you may need to experiment to determine the best setting For more information on Turn around Timeout see page 3 7 Note Data output from the higher level concentrator may be slow if the lower level devices are in a high speed application Note See Table A 4 Multidrop Address Characters on page A 5 for the translation between hex poll characters and multidrop addresses E fo o Q fe 3 N Unpolled Protocol RS 232 or RS 422 Interface Interface Multidrop address of both Concentrator 02 and Decoder 01 trans mitted Polled Protocol Concentrator Multidrop RS 485 Interface Concentrator 01 1 Decoder 02 Second Poll Sequence Concentrator 02 s hex poll character transmit First Poll ted decoder 01 s Sequence multidrop address rele 4 Decoder 01 transmitted Decoder 02 Decoder
29. 01 s hex poll character transmitted Figure 2 5 Multiple Concentrator Network 2 8 MS 5000 Multidrop Concentrator User s Manual Multiple Concentrator Network Multiple Poll Sequence First Poll Sequence Concentrator 02 in figure 2 5 polls its decoders like a concentrator in a typical single concentrator network It receives a hex poll character 1C and Decoder 01 s data shown in figure 2 6 pu of Sequence End of Sequence 4 Concentrator 02 RES 1C REQ Decoder 01 1C STX DATA ETX LRC Figure 2 6 Concentrator to Decoder Polling Sequence Second Poll Sequence When Concentrator 02 is polled by Concentrator X Concentrator 02 responds by transmitting its hex poll character 1E an STX the decoder s multidrop address 01 then the decoder s data shown in figure 2 7 oo of Sequence End of Sequence y Concentrator X RES 1E REQ Concentrator 02 1E STX 01DATA ETX LRC Figure 2 7 Concentrator to Concentrator Polling Sequence When Concentrator X relays this information to the host it substitutes the polled concentrator s multidrop address 02 in place of 1E hex and transmits 0201data 02 is Concentrator 02 s address 01 is Decoder 01 s address MS 5000 Multidrop Concentrator User s Manual 2 9 Pa s a x ke Ke 2 3 3 Chapter 2 Multidrop Communications Multiple Select Sequence When sending a select command figure 2 5 on page 2 8 to Decoder 01 through Concentrat
30. 3 Figure 1 2 System Diagram MS 610 LAN see 1 3 Figure 1 3 Multidrop Layout Diagram sse 1 4 Figure 1 4 Rear Panel of MS 5000 Multidrop Concentrator 1 5 Figure 1 5 Power Connector su 1 6 Figure 1 6 LAN Connector ui 1 7 Figure 1 7 Multidrop LAN Wiring ss 1 7 Figure 1 8 DTE and DCE Host Connections ooooWoWoWoo 1 8 Figure 1 9 Host Connector on Concentrator ooooWoWoWoWoWoomoom 1 8 Figure 1 10 Monitor Connector on concentrator 1 9 Figure 1 11 MS 5000 Bottom Mounting Diagram not full size 1 12 Figure 1 12 MS 5000 without housing Mounting Diagram not full size 1 13 Figure 2 1 Typical Multidrop Network oooWoWo WoWoWoW oom W aah 2 2 Figure 2 2 Polling Sequence 4 5 uan aah 2 3 Figure 2 3 Select Sequence ener 2 4 Figure 2 4 Polling Cycle Durations for 25 Active Decoders 2 7 Figure 2 5 Multiple Concentrator Network eee 2 8 Figure 2 6 Concentrator to Decoder Polling Sequence sss 2 9 Figure 2 7 Concentrator to Concentrator Polling Sequence 2 9 Figure 2 8 Concentrator to Concentrator Select Sequence 2 10 Figure 2 9 Concentrator to Decoder Select Sequence ooooo 2 10 Figure 2 10 Concentr
31. 5000 Multidrop Concentrator User s Manual Chapter Multidrop 2 Communications Chapter Contents Standard Single Concentrator Network 2 2 Multidrop Addresses oooooooW Woo 2 2 Data to the HOSt 5 2 inre han msh 2 2 Select Commands from the Host oo oooWoooWo 2 4 Polling Cycle Timing ener 2 7 Multiple Concentrator Network 2 8 Multiple Poll Sequence i o ooooooW Woo 2 9 Multiple Select Sequence ooooo rWo Woooooomoo retene 2 10 The MS 5000 concentrator s function is to control the flow of data between the host and two or more decoders or scanners printers etc Each device in the multidrop network is assigned an address The concentrator polls each device for data and relays that data along with the device address to the host The concentrator also directs select commands from the host to individual multidrop devices to an auxiliary monitor or to the concentrator itself Note See chapters 3 4 and 5 for details of configuration MS 5000 Multidrop Concentrator User s Manual 2 1 Pa s a x ke Ke 2 ke 3 3 Chapter 2 Multidrop Communications Standard Single Concentrator Network In a typical multidrop network figure 2 1 the host communicates with the concentrator in a point to point unpolled protocol The concentrator communicates with decoders and other devices in Multidrop E
32. DCE Host Connections 1 8 E Electrical Characteristics A 2 Enter Menu Configuration Program 4 13 EOF End of File 3 12 EOR End of Record 3 12 ETX End of Text 3 12 ETX Character 2 5 F Full Screens by menu selection 3 14 by profile card 5 9 by serial command 4 10 MS 5000 Multidrop Concentrator User s Manual I 1 Index G Ground and Shield Considerations A 7 Ground Loops A 7 H Host Connector 1 8 1 9 Host Port Communications defaults A 2 Host Port parameters by serial command 4 4 Host Protocol options 3 9 Host Protocol commands by serial commands 4 6 4 10 Host Protocol menu 3 9 3 14 Installation 1 12 1 13 Intercharacter Timeout by menu selection 3 7 by profile card 5 8 by serial command 4 4 Interface Standards A 10 L LAN Connector 1 7 LAN Port 4 5 LAN Port Communications defaults A 2 LEDs A 2 Longitudinal Redundancy Check by menu selection 3 13 by serial command 4 9 LRC by serial command 4 9 Menu Configuration entering program 3 2 exiting program 3 17 Menu Configuration Program exiting 3 4 loss of communications 3 4 saving menu changes 3 4 Menu Configuration entering by profile card 5 4 Monitor Connector 1 9 Mounting Diagrams 1 12 1 13 MS 5000 Specifications A 2 Multidrop by menu selection 3 10 by profile card 5 6 by serial command 4 6 Multidrop Address Characters A 5 Multidrop Addresses 2 2 Multidrop network 1 4 Multiple Commands 2 6 Multiple concent
33. FF 51 lt Kidata gt CR LAN Port Baud Parity Stop Bits and Data Bits 51 lt Kmdata gt CR LAN Port RS 422 51 lt Kndata gt CR LAN Port Turnaround Timeout Number of Devices 51 lt Kodata gt CR Auxiliary Mode 51 lt Kpdata gt CR Aux Port Baud Parity Stop Bits and Data Bits 51 lt Kqdata gt CR Full Screens 51 lt Krdata gt CR Battery backed RAM optional 51 lt Ksdata gt CR Poll Response Timeout 51 lt KIdata gt CR Time and Date Setting 51 lt KJdata gt CR Time and Date Output Table 4 2 Summary of MS 5000 Operational Commands E Command Effect 51 lt A gt CR Software reset but preserve data in buffers S 51 B CR Reset including data in buffers 2 51 lt C gt CR Partial buffer to host Q 51 lt D gt CR Launch Configuration Program vt 51 lt Z gt CR Save current configuration for power up 51 lt amp gt CR Upload to Current Date and Time 51 lt gt CR Upload to Software Part Number The configuration commands in table 4 1 are shown with one data field however the actual number of data fields will vary by command Note The 51 directs the command to the concentrator To send a serial com mand to any active decoder or scanner on the network use its address and refer to the list of K commands for that device 4 2 MS 5000 Multidrop Concentrator User s Manual Serial Commands Configuration Commands All serial commands addressed to the concentrator are prefaced with a 51 In the case of serial configuration commands the letter K is
34. Host Baud Rate to 4800 the host would enter 51 lt Ka3 gt CR See more examples on following pages T ke Ke o Z e 5 o 1 See Operational Commands on page 4 12 for definitions and examples IMPORTANT because initializing commands are user selectable and their placement is flexible initializing commands are not included in the examples throughout this chapter MS 5000 Multidrop Concentrator User s Manual 4 3 Chapter 4 Serial Commands Host Port Baud Rate Parity Stop Bits Data Bits Set communications parameters for the host port Format 51 lt Kabaud rate parity stop bits data bits gt CR baud rate parity stop bits data bits 0 600 4 9600 0 None 0 One 0 Seven 1 1200 5 19 2K 1 Even 1 Two 1 Eight 2 2400 6 300 2 Odd 3 4800 Example To change Host Port Baud Rate to 2400 enter lt Ka2 gt Host RS 422 Toggle between RS 232 and RS 422 Format 51 lt Kbstatus gt CR 0 Disable 1 Enable Example To enable RS 422 enter 51 lt Kb1 gt CR Turnaround Timeout Time the concentrator will wait for a response from the host Format 51 lt Khtimeout gt CR Any number from 1 to 250 Default is 15 ms Example To change the timeout to 30 ms enter 51 lt Kh30 gt CR Intercharacter Timeout Time the concentrator will wait between inidvidual characters from the host Format 51 lt Kitimeout gt CR Any number from 1 to 250 Default is 15 ms Example To change the timeout to 30 ms ent
35. Kn30 10 gt CR MS 5000 Multidrop Concentrator User s Manual 4 5 Chapter 4 Serial Commands Auxiliary Port Baud Rate Parity Stop Bits Data Bits Set communications parameters for the aux port Format 51 lt Kpbaud parity stop bits data bits gt CR baud rate parity stop bits data bits 0 2400 3 9600 0 None 0 One 0 Seven 2 4800 4 19 2K 1 Even 1 Two 1 Eight 2 Odd Example To change Data Bits to Eight ensure that default parameters remain the same enter 51 lt Kp 1 gt CR or 51 lt Kp2 1 0 1 gt CR Aux Mode Toggle between aux port and host Format 51 lt Kostatus gt CR 0 Disable 1 Enable Example To enable Aux Port enter 51 lt K01 gt CR Host Protocol Commands Note Changes made in the concentrator to communications parameters such as baud rate parity stop bits LRC etc must be matched in the host or com munications will be lost If this occurs default the concentrator see Appendix C Defaulting the MS 5000 on page A 6 If selecting one of the options from 0 to 4 Point to Point Point to Point with RTS CTS Point to Point with XON XOFF Point to Point with XON XOFF 7 6 and RTS CTS or Polling Mode D use this format s Host Protocol 6 Set host protocol and related parameters ut Format 51 Kfprotocol CR 0 Point to Point 4 Polling Mode D 1 Point to Point with RTS CTS 5 Multidrop requires address 2 Point to Point with XON XOFF 6 User Defined 3
36. L PREAMBLE AND POSTAMBL DEVICE STATUS POLLED DEVICE STATUS TIME KEEPING DATE AND TIME STAMPING OF EVENTS ESC MAIN MENU OR EXIT N NEXT ITEM M PREVIOUS MENU SP NEXT ITEM B PREVIOUS ITEM CR THIS ITEM Figure 3 1 Main Menu 51 is the code which every concentrator recognizes as its own address SD is the command to enter the Main menu CR carriage return terminates the command Note The carriage return is enabled as the default ETX character If ETX is undefined nulled then a time delay exceeding the intercharacter timeout must be inserted before transmitting another command to a different address Note Caps Lock must be on during menu configuration 1 See Table A 1 ASCII Table with Control Characters on page A 3 2 This command must be sent as a data block from the host or as a string from a softkey because of the intercharacter timeout default 212 ms 3 2 MS 5000 Multidrop Concentrator User s Manual Using the Menu Configuration Program Navigating the Menu Configuration Program The bottom line on the screen is called the command line The command line identifies your place in the menu program shows current status and allows you to review and change options Use the following keys to scroll to and select the parameter you wish to change SP space bar key or N to scroll ahead B to scroll back CR carriage return key to select and M to return to the previous higher level menu To retu
37. MICROSCAN MS 5000 Multidrop Concentrator User s Manual P N 83 005000 REV J Copyright 2006 by Microscan Systems Inc 1201 S W 7th Street Renton WA U S A 98057 425 226 5700 FAX 425 226 8682 ISO 9001 2000 Certification No 03 1212 All rights reserved The information contained herein is proprietary and is provided solely for the purpose of allowing customers to operate and or service Microscan manufactured equipment and is not to be released reproduced or used for any other purpose without written permission of Microscan Throughout this manual trademarked names might be used Rather than put a trade mark symbol in every occurrence of a trademarked name we state herein that we are using the names only in an editorial fashion and to the benefit of the trademark owner with no intention of infringement Warranty Information Microscan Systems Inc warrants products manufactured by it to be free from defects in material or workmanship under normal use and service for a period of one year from date of shipment This warranty is specifically limited to the replacement or repair of any such warrantable defects without charge when the complete product is returned to Microscan Systems Inc freight prepaid at the address shown above Contact the factory at the address above for a Return Material Authorization RMA number before returning the product Microscan Systems Inc shall be the sole judge of the w
38. Mode Switches Data Switches Baud Rate Parity Stop Bits Data Bits 123 45 6 z 600 None One Seven 1200 MI Even M Two M Eight 2400 F Odd 4800 9600 19 2K 38 4K MS 5000 Multidrop Concentrator User s Manual Off RS 422 8 Disable Enable T v x ke o O i or Chapter 5 Profile Card Configuration Mode 9 Host Port Turnaround Timeout Mode Switches On Off Mode 10 Host Port Intercharacter Timeout Mode Switches On Off Mode 11 LAN Port Turnaround Timeout Mode Switches On Off Mode 9 10 and 11 will accept binary values from 1 to 250 To set these modes multiply the desired number of seconds for timeout by 10 and enter the result in binary format See mode 1 switch settings for timeout ranges from 0 1 seconds to 5 sec onds Although not shown for mode 1 switches 7 and 8 are OFF for 1 through 50 See Binary Calculations on page 5 9 for timeout ranges from 5 1 seconds to 25 seconds Mode 12 Blocking Factor Mode Switches On Off Mode 12 will accept binary values from 1 to 127 Values are set the same as mode 9 10 and 11 See mode 1 for switch s
39. Protocol Commands sse 4 6 Time Keeping Commands i oooooWoWooooo 4 11 Operational Commands o ooooWo Woo W 4 12 This chapter includes both serial configuration and operational utility com mands All of the MS 5000 s menu configuration changes can also be made by com mand strings from the host Serial commands listed in this chapter apply ONLY to the MS 5000 concen trator You can also send serial configuration commands through the con centrator to any functioning polled devices by prefacing the command with the device s address see Multidrop Addresses on page 2 2 and Multi drop on page 3 10 however you must use commands described in the user s manual for that device MS 5000 Multidrop Concentrator User s Manual 4 1 T ke T 9 Z ke 5 o Chapter 4 Serial Commands Summary of Serial Commands Table 4 1 Summary of Serial Configuration Commands Command Effect 51 lt Kadata gt CR Host Port Baud Parity Stop Bits and Data Bits 51 lt Kbdata gt CR Host Port RS 422 51 lt Kcdata gt CR LRC 51 lt Kddata gt CR Preamble 51 lt Kedata gt CR Postamble 51 lt Kfdata gt CR Host Protocol 51 lt Kgdata gt CR Blocking Factor 51 lt Khdata gt CR Host Port Turnaround Timeout 51 lt Kidata gt CR Host Port Intercharacter Timeout 51 lt Kjdata gt CR RTS CTS 51 lt Kkdata gt CR XON XO
40. XD 3 TXD TXD trunk cable connections they are NOT crossed but as shown in TAOS RAR Ln figure 1 7 PES jali SE 3 6 An optional ground wire is A shown in both cables The FH shield shown in figure 1 7 if used is connected to earth Figure 1 7 Multidrop LAN Wiring ground at the concentrator See also Appendix D Ground and Shield Considerations on page A 7 1 This applies to standard single concentrator networks and multiple concentrator networks MS 5000 Multidrop Concentrator User s Manual 1 7 Chapter 1 Setup and Installation Host Connector The host connector allows the concentrator DB 25 DTE to DB 25 DTE Connection to be connected to a host or other communi cations device such as a EX T PLC programmable logic controller a moni j tor a PC a relay a Transmit 2 2 Transmit diverter an alarm etc Receive 3 x 3 Receive via a 25 pin D subminia Signal Grnd 7 7 Signal Grnd ture socket The host is connected as a DTE data terminal equip ment device with 25 pin D subminiature connec tors Table 1 3 on page AA 1 9 shows pin assign ments Pe 0 T a 5 o v a DB 25 DTE to DE 9 DCE Connection Decoder Transmit 2 2 Transmit Receive 3 3 3 Receive Signal Grnd 7 5 Signal Grnd Figure 1 8 DTE and DCE Host Connections Pin 13 Pin 1 Pin 25 Pin 14 Figure 1 9 Host Connector on concentrator 1 8 MS 50
41. ach decoder must be individually config Unpolled Protocol RS 232 or RS 422 Interface Series 5000 E ured to Multidrop and assigned a Concentrator EAEN o H 6 unigue address from 01 to 50 Multidrop ONLY 2 Note The MS 5000 concentrator is RS 485 Interface S i LAN programmed to communicate with f decoders in Multidrop protocol only CRIT 5 therefore User Defined Multidrop can not be used when setting up decoders Decoder 02 Multidrop Addresses Decoder 03 Rules Figure 2 1 Typical Multidrop Network 1 Each device must have an address assigned in its configuration menu 2 No two devices can have the same address 3 Additional devices up to 50 can be added at any time to an active system see Polling Cycle Timing on page 2 7 In a multidrop network each device is assigned a number from 01 to 50 However during poll and select sequences the concentrator provides back ground substitution from a table of hexadecimal ASCII values associated with each address see table A 1 on page A 3 For example when transmitting a poll request to a decoder the concentrator uses the poll value 20 hex SP ASCII poll character When the concentrator relays a select command from the host to the same de vice it uses the select value 21 hex ASCII select character This allows a device to readily distinguish between a poll and select sequence Data to t
42. age P o D ES 2 O o 5 E MS 5000 Multidrop Concentrator User s Manual 3 13 Chapter 3 Menu Configuration RTS CTS and XON XOFF Default Disabled Options Disabled Enabled These parameters are included for special circumstances such as when the host is communicating in a protocol that includes RTS CTS and or XON XOFF and needs to control data flow by using either or both methods See Point to Point with RTS CTS and Point to Point with XON XOFF on page 3 10 for definitions Blocking Factor Default 1 Options 1 to 127 records Allows the concentrator to buffer records bar codes counters etc from decoders and deliver them to the host in batches If for example the blocking factor is set to 5 the concentrator will buffer five records in a row before releasing the batch of five to the host See also lt C gt Send Partial Buffer to Host Command on page 4 13 for related informa tion Buffered data is transmitted to the host exactly as the concentrator receives it without separators and continuous if Preamble or Postamble have not been defined The Blocking Factor buffer is limited in size to 248 characters including the address preamble and STX or 127 records whichever comes first 2 c ke o T 1i mM Full Screens Default Enabled Options Enabled Disabled When enabled Full Screens displays the full screen menus When dis abled the screen display shows only the sing
43. anual 2 5 de a x ke Ke O 3 3 Chapter 2 Multidrop Communications If ETX is undefined nulled then a time delay exceeding the Intercharacter Timeout must be inserted in place of each ETX character Multiple Select Commands You can concatenate several commands in a single string or data block The maximum string length to a concentrator is 127 characters to any decoder 64 NOTE For multiple commands to function the concentrator must communicate with the host in an unpolled mode with no ACK NAK or Reset defined Multiple Commands to a Single Decoder Commands up the 64 characters can be concatenated to a single decoder For example to enable Postamble and Codabar for decoder 01 figure 2 1 enter 01 lt Ke1 gt lt R gt CR A command string must end with a ETX character if defined in the above example the ETX character is a CR or if undefined nulled must end with a delay that exceeds the Intercharacter Timeout Multiple Commands to More Than One Decoder Commands up the 127 characters total but no more than 64 characters to any single decoder can be concatenated to more than one device For example to enable postamble for decoder 01 and enable Codabar for decoder 02 enter 01 lt Ke1 gt CR0O2 lt R gt CR Note that a separate ETX character CR follows the command to each de vice If the ETX character is undefined nulled a delay exceeding the host Intercharacter Timeout as defined in the conce
44. arrantability of alleged product defects Products that are returned for warranty examination and that are found to be non warrantable are chargeable and are returned freight collect A copy of a purchase order with the amount of the charge must be received by Microscan either by mail or by FAX before any equipment is returned Warrantable products are repaired or replaced at no charge and returned freight prepaid THIS EXPRESS WARRANTY EXCLUDES ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PURPOSE MICROSCAN SYSTEMS INC SHALL NOT BE LIABLE FOR WAR RANTY IN ANY AMOUNT EXCEEDING THE PURCHASE PRICE OF THE GOODS MICROSCAN SYSTEMS INC SHALL NOT BE LIABLE FOR ANY SPECIAL INCIDENTAL OR CONSE QUENTIAL DAMAGES WHETHER IN CONTRACT TORT OR OTHERWISE The buyer acknowledges that he she is not relying on the seller s skill or judgment to select or furnish goods suitable for any particular purpose and that there are no warranties that extend beyond the description on the face hereof This warranty extends only to the original purchaser and shall not apply to any products or parts that have been subject to misuse neglect accident or abnormal conditions or operations Claims for damage in transit are directed to the freight carrier upon receipt Disclaimer The information and specifications described in this manual are subject to change without notice For th
45. at 51 lt B gt CR Example To enable Full Screens and do a lt B gt reset enter 51 lt Kq1 gt lt B gt CR Example To send it as two separate sequential commands enter 51 lt Kq1 gt CR 51 lt B gt CR lt Z gt Save for Power up Reset clear data buffers and save for power up Format 51 lt Z gt CR Example To reset and save to non volatile RAM enter 51 lt Kq1 gt lt Z gt CR Example Saving Concentrator Changes To save changes made by host command to the concentrator for power up enter 51 lt Z gt CR Example Saving Decoder Changes To save changes made by host com mand to a decoder for power up enter the decoder s address if in polled mode and lt Z gt CR For example to save changes to decoder 03 for power up enter 03 lt Z gt CR Concatenating Serial Commands You can concatenate add together commands to a single address in a sin gle string or data block to a maximum of 127 characters to a concentrator or 64 characters to a decoder For example 51 lt Ki66 gt lt Kh88 gt lt Ko0 gt lt B gt CR changes Host Intercharacter Timeout to 66 ms Host Turnaround Timeout to 88 ms disables Auxiliary Port and resets and clears the data buffers See Multiple Select Com mands on page 2 6 You cannot send a command single or concatenated to more than one address For this you must use separate command strings and conform to the Intercharacter Timeout setting 7 ke 5 o Q 9 T 4 12 MS 5000 Multidrop Conc
46. ator by 2 drop Address using data Switches 1 6 Binary representation of the multidrop address is used the range is 1 to 50 Baud Rate Defines Baud Rate for the host port 3 Parity Defines Parity for the host port Stop Bits Defines Stop Bits for the host port Data Bits Defines Data Bits for the host port 4 Preamble Enables disables Preamble Postamble Enables disables Postamble 5 Protocol Defines the communications protocol RS 422 Enables disables RS 422 for the host port 6 Aux Port Sets Aux Port operation mode Baud Rate Defines Baud Rate for the auxiliary port 7 Parity Defines Parity for the auxiliary port Stop Bits Defines Stop Bits for the auxiliary port Data Bits Defines Data Bits for the auxiliary port Baud Rate Defines Baud Rate for the LAN port Parity Defines Parity for the LAN port 8 Stop Bits Defines Stop Bits for the LAN port Data Bits Defines Data Bits for the LAN port RS 422 Enables disables RS 422 for the LAN port 9 Host Port Turn Defines the time for Host Port Turnaround Timeout around Timeout The range is 1 250 ms 10 Intercharacter Sets the waiting period between individual characters transmitted Timeout from the host The range is 1 250 ms 11 LAN Port Turn Defines the time for LAN Port Turnaround Timeout around Timeout The range is 1 250 ms s Buffers records from decoders and delivers them to the host in 12 Blocking Factor batches 13 RTS CTS Controls data flow XON XOFF Controls data flow 14 Full Scre
47. ator to Lower Level Concentrator Select Sequence 2 11 Figure 2 11 Special Multidrop Network oooWo W WooooooWomooW 2 11 Figure 3 1 Main MENU wo oom nenas 3 2 Figure 3 2 Communications Menu Structure oooooWoWoWo oom 3 5 MS 5000 Multidrop Concentrator User s Manual Figure 3 3 Host Protocol Menu Structure ooooooWoWooWo Woo 3 9 Figure 3 4 Time Keeping Menu Structure o oooWo Woo Woo 3 15 Figure 5 1 Profile Card Connection ss em 5 3 Figure A 1 MS 5000 Dimensions eem A 2 Figure A 2 Profile Card Default Setting sse A 6 Figure A 3 Host Connector Default Pins on back of concentrator A 6 Figure A 4 Network Grounding Diagram i ooooooWoWoooocm A 8 Figure A 5 DIP Switch in last MS 2000 MS 3000 A 9 List of Tables Table 1 1 Cable Distances seen 1 5 Table 1 2 Power Connector Pin Assignments see 1 6 Table 1 3 LAN Connector Pin Assignments 1 7 Table 1 4 Host Connector Pin Assignments 1 9 Table 1 5 Auxiliary Monitor Pin Assignments see 1 9 Table 1 6 Protocol Commands o ooooWoWo WooWoWoWo Wo Woman 3 12 Table 4 1 Summary of Serial Configuration Commands 4 2 Table 4 2 Summary of MS 5000 Operati
48. d to access the configuration menus again although K commands will continue to function It is necessary to assign a unique address to the concentrator in Multidrop This number 1 to 50 is then displayed on the concentrator s configuration screen see Polled Device Status Menu on page 3 15 However during transmission poll and select addresses from 1C to 7F hex are substituted for the displayed decimal values For example if a 1 has been assigned as the Multidrop address then 1C hex is substituted as the poll address and 1D hex as the select address See Table A 4 Multidrop Address Charac ters on page A 5 When Multidrop is selected the protocol characters for RES REQ etc are assigned automatically LRC recommended for data transfer security is also enabled User Defined Used only with RS 232 or RS 422 User Defined protocol allows you to assign ASCII characters to the address and or to protocol commands RES REQ EOT STX ETX ACK and NAK for special applications User Defined is nec essary when defining a new protocol to match a specific host protocol You may assign an address to a concentrator in User Defined protocol by entering any single ASCII character at the address prompt except a NUL This will put you in polled mode but without RS 485 To remain in an unpolled mode leave the address blank Note Never assign the same ASCII character more than once to an address or protocol command
49. e D Multidrop User Defined and User Defined Multidrop LAN Port Communications Interface 4 wire RS 485 RS 422 ACSII Character Format 7 or 8 Data Bits Stop Bits 1 or 2 Baud Rates 600 1200 2400 4800 9600 19 2K 38 4K YO Port 6 pin 6 wire modular Protocols Multidrop User Defined Multidrop up to 50 devices per concentrator Auxiliary Monitor Port Communications Interface RS 232 ACSII Character Format 7 or 8 Data Bits Stop Bits 1 or 2 Baud Rates 2400 4800 9600 19 2K 38 4K YO Port 9 pin D subminiature plug Protocol Point to Point Electrical Characteristics 12 VDC 40 mA max 20 mV p p max allowed ripple 12 VDC 40 mA max 20 mV p p max allowed ripple 5 VDC 300 mA max 200 mV p p max allowed ripple Operating Environment Operating Temperature 32 to 113 F 0 to 45 C Storage Temperature 58 to 158 F 50 to 70 C Humidity 0 to 95 non condensing Status Lights Three LEDs light emitting diodes on the front panel of the concen trator serve as visual indicators to verify that it is operating correctly IND 1 Flashes green each time data is sent to the host IND 2 Illuminates red whenever the concentrator is in a ready state or is polling the connected devices When this light goes off a data buffer full condition exists and the concentrator is no longer polling the devices PWR Illuminates red when the power switch is in the ON position MS 5000 Multidrop Conce
50. e latest version of this manual see the Download page on our web site at www microscan com For technical assistance email helpdesk microscan com ii MS 5000 Multidrop Concentrator User s Manual Table of Contents List of Illustrations oooooooWoooWoo ns nennnnn LiSt Of Tables hn ng kanak ara About the MS 5000 Concentrator ooooWo Wo About this Manual Keystroke Entries Warning and Caution Summary eene Approvals cei eb oid deese eei inter qoe Safety Labels 2 etes Chapter 1 Setup and Installation Step 1 Plan Scanning System Step 2 Attach Cabling sss Step 3 Configure Concentrator Step 4 Position Scanning Devices Step 5 Install Concentrator Chapter 2 Multidrop Communications Standard Single Concentrator Network Multidrop Addresses sene Data to the Host Woo oma Iisa Select Commands from the Host Polling Cycle Timing oooooWooW Woman Multiple Concentrator Network Multiple Poll Sequence o ooooooo Multiple Select Sequence oooo oWoo Chapter 3 Menu Configuration Using the Menu Configuration Program Communications Menu Host Protocol Menu ooooo Woo
51. e to excessive ripple characteris tics Power Connector Pin Assignments 1 6 MS 5000 Multidrop Concentrator User s Manual Attach Cabling LAN Connector The LAN 6 pin RJ 11 Table 1 2 LAN Connector 1 6 modular connector is Pin Assignments used for RS 485 mul 5 Pin Signal tidrop communications ira See pin assignments in o table 1 2 Modular 4 wire cables preferably shielded with 6 pin connectors Figure 1 6 LAN are typical but any Transmit Data Connector round or flat data cable minimum wire size 24 Receive Data Receive Data 2 3 4 Transmit Data 5 AWG and minimum of four wires can be used An additional ground wire figure 1 7 may be needed if the device chassis can not be reliably earth grounded See Appendix D Ground and Shield Considerations on page A 7 See Plan Scanning System on page 1 2 for basic wiring patterns used in a multidrop system Note The last Microscan device in the multidrop network must be terminated correctly see Appendix E Terminal Resistor on page A 9 In the first multidrop trunk cable 5000 LAN J7 1st Cabl 2nd and Sub t between the concentrator and Connector Gontieviois Gable Connections the fi i ice i e first logical device transmit au ie and reception lines are crossed A RXD 2 TXD TXD see figure 1 7 In subsequent R
52. e with Control Characters on page A 3 for a complete list of control and display characters User Defined Multidrop Functions exactly the same as User Defined including the selection of ASCII characters except that RS 485 is enabled instead of RS 232 or RS 422 whenever an address is assigned It is used when connecting to a host or other device that does not match standard Multidrop protocol Note Definitions of commands in User Defined and User Defined Multidrop must be duplicated in host applications to enable poll and select sequences to execute correctly during transmission For a list of control characters and display values see Table A 1 ASCII Table with Control Characters on page A 3 Unlike standard Multidrop User Defined Multidrop can define an address as any one character 01 hex to 7E hex in the ASCII table The address char acter chosen is used as the poll character and the subsequent ASCII char acter becomes the select character For example if A 01 hex is selected as the address the B 02 hex becomes the select address that the host will use in transmitting host select commands Remember when in User Defined Multidrop 1 Never assign two consecutive ASCII characters as multidrop addresses 2 Never assign the same ASCII character more than once in the protocol Like User Defined User Defined Multidrop is pre loaded with the characters of the previously assigned protocol To acquire most of the sta
53. ens Enables disables Full Screens MS 5000 Multidrop Concentrator User s Manual Operating Instructions Operating Instructions The profile card obtains all operating voltages from the concentrator 1 With the concentrator OFF connect the DECODER end of the profile card to the HOST connector of the concentrator see figure 5 1 Turn concentrator ON 2 Set the mode and data switches on the profile card Data switches are on the left mode switches on the right Note Be sure ALL ofthe data switch settings are correct for the selected mode before pressing the load button HOST MONITOR o jdm 0 Go E m o L 2 9 Orie a POWER LAN jj 4300934 5 zo IU m 2 cm O Bs TI Wo Ir me T mo JO zo ONE Hc IG m BEN OFF B TERMINAL Figure 5 1 Profile Card Connection 3 Press the LOAD button 4 A beeper will sound This initializes the change and saves it to non vol atile RAM for access on power up 5 When the configuration is complete turn off the power to the concentra tor and remove the profile card To maintain RS 232 communication between the host and the concentrator with the profile card connect a cable between the TERMINAL end of the profile card and the host T a ke o O i 2 MS 5000 Multidrop Concentrator User s Manual 5 3 Chapter 5 Profile Card Configuration
54. entrator User s Manual Serial Commands lt C gt Send Partial Buffer to Host Command Sends a partial buffer to the host It collects any remaining data from the concentrator when Blocking Factor is set to more than one Format 51 lt C gt CR Example For example if Blocking Factor is set to 5 sending 51 lt C gt CR at 22 records will release a batch of 2 records to the host See Blocking Factor on page 4 10 lt amp gt Uploading Current Time Uploads the current date and time to the host with the 51 address prepended Format 51 lt amp gt CR lt gt Uploading Part Number Uploads the part number of the software in the concentrator to the host with the 51 address prepended Format 51 lt gt CR lt D gt Enter Menu Configuration Program Command Enters the Menu Configuration Program See Entering the Menu Configuration Program on page 3 2 and Table 4 2 Summary of MS 5000 Operational Com mands on page 4 2 Format 51 lt D gt CR T ke Ke 0 Z ke gt z MS 5000 Multidrop Concentrator User s Manual 4 13 Chapter 4 Serial Commands 7 ke 5 o Q 9 T 4 14 MS 5000 Multidrop Concentrator User s Manual Chapter Profile Card 5 Configuration Chapter Contents Summary of Profile Card Modes 5 2 Operating Instructions 5 3 Mode and Data Switch Settings 5 4 Binary Calculations oooWoWooooooooW Woman 5 9 Most of the menu configurati
55. er 51 lt Ki30 gt CR Poll Response Timeout Time the concentrator will wait when in polled mode to the host Format 51 Kspoll response timeout CR Any number from 1 to 250 Default is 15 ms Example To change the poll response timeout to 20 ms enter 51 lt Ks20 gt CR 7 ke 5 o Q 9 T 4 4 MS 5000 Multidrop Concentrator User s Manual Serial Commands LAN Port Baud Rate Parity Stop Bits Data Bits Set communications parameters for the LAN port Format 51 lt Klbaud parity stop bits data bits gt CR baud rate parity stop bits data bits 0 600 4 9600 0 None 0 One 0 Seven 1 1200 5 19 2K 1 Even 1 Two 1 Eight 2 2400 6 300 2 Odd 3 4800 Example To change Stop Bits to Two and ensure that default parameters remain the same enter 51 lt KI 1 gt CR or 51 lt K14 1 1 gt CR To change Baud to 19 2 K enter 51 lt KI5 gt CR RS 422 Toggle between RS 232 and RS 422 Format 51 lt Kmstatus gt CR LAN RS 422 Status 0 Disabled 1 Enable Example To enable RS 422 enter 51 lt Km1 gt CR Turnaround Timeout Number of Devices Time the concentrator will wait between inidvidual characters from a LAN device E Format 51 lt Kntimeout number of devices CRt 6 LAN Turnaround Timeout Number of Devices E Any number from 1 to 250 Any number from 1 to 50 v Default is 15 ms Default is 50 o Oo Example To change the timeout to 30 ms and the number of devices to 10 enter 51 lt
56. ettings 1 See also lt C gt Send Partial Buffer to Host Command on page 4 13 for related infor mation xe Cc o xD ue le T Te MS 5000 Multidrop Concentrator User s Manual Binary Calculations Mode 13 RTS CTS and XON XOFF Mode Switches M On Off Data Switches RTS CTS XON XOFF 1 2 Disable Disable Enable a Enable Mode 14 Full Screens Mode Switches On Off Data Switches Fulls Screens 1234 Disable Enable Binary Calculations Data switch settings for values 51 to 255 must be determined with binary calculation Specifically the timeout values for 51 to 255 in mode 9 and various serial trigger character selections in mode 10 The eight data switches on the profile card represent the eight data bits that define any number from 0 to 255 in binary format To convert a number to its binary equivalent 1 Determine which decimal equivalent 1 2 4 8 16 32 64 128 is the largest number not exceeding the number to convert 2 Put a one 1 above that number to indicate an ON position it TU ke o oO i or MS 5000 Multidrop Concentrator User s Manual 5 9 Chapter 5 Profile Card Configuration For example table 5 2 shows the calculation process for the number 250 The first one 1 is placed in the eighth bit col
57. file Card binary calculation 5 9 defaulting the concentrator A 6 operating instructions 5 3 switch settings 5 4 Profile Card Modes summary 5 2 Programmable logic controller PLC 2 11 Protocol by menu selection 3 9 3 12 by serial commands 4 7 polled and unpolled 3 9 R Read command 5 4 Reference tables A 3 A 5 REQ Request 3 12 RES Reset 3 12 Reset 2 4 Reset and Clear not Save 4 12 Reset not Save 4 12 Response Timeout by menu selection 3 9 RJ 11 1 4 RS 232 A 10 RS 422 A 10 by menu selection 3 6 by serial command Host port 4 4 by serial command LAN port 4 5 RS 422 Host port by profile card 5 6 RS 422 LAN port by profile card 5 7 RS 485 A 10 RTS CTS by menu selection 3 14 by profile card 5 9 by serial command 4 9 S Save for Power up 4 12 Saving Configuration Changes by menu selection 3 4 by profile card 5 3 MS 5000 Multidrop Concentrator User s Manual Index Saving configuration changes 4 12 Saving Decoder Changes 4 12 Saving Menu Changes 3 17 Scanning Devices 1 2 Scanning System 1 2 Select Commands multiple commands 2 6 reset sequences 2 5 to a decoder 2 4 to a multidrop concentrator 2 11 Serial Commands concatenating 4 12 format and rules 4 3 Serial Configuration Command summary 4 2 Single Concentrator Network 2 2 Status Lights A 2 Stop Bits by menu selection 3 6 Stop Bits aux port by profile card 5 7 Stop Bits host port by profile card 5 5 Stop Bits LAN port by prof
58. follows zt e Polled address separator hour minute second hundreds of a second D if enabled a space day of week if enabled day of month month fo year separator and code 9 For example 04 20 30 15 99 Fri 07 04 97 barcode e Time Keeping T Time Output Date Output Disabled Disabled t DD MM YYYY Hrs Min Sec MM DD YYYY Day DD MM YYYY Hrs Min Sec Hundreds Day MM DD YYYY T Hours Minutes Seconds 12 34 L 37 L 1 to 23 1 to 59 L 1t059 T T T T T Day of the Months Day of the Years Time Stamp Week L4 Month i 30 Separator 3 L 1to 12 13 0 to 99 blank 1107 L 1to 31 Any ASCII Character Figure 3 4 Time Keeping Menu Structure MS 5000 Multidrop Concentrator User s Manual 3 15 Chapter 3 Menu Configuration D um E o o Ti 3 16 Time Output Default Disabled Options Disabled Hrs Min Sec Hrs Min Sec Hundreds When enabled the time a label was decoded is prepended to the label data Date Output Default Disabled Options Disabled MM DD YYYY Day MM DD YYYY DD MM YYYY Day DD MM YYYY When enabled the date a label was decoded is prepended to the label data Hours Options 0 to 23 Allows you to set the current time in hours Minutes Options 0 to 59 Allows you to set the current time in minutes Seconds Options 0 to 59 Allows you to set the current time in seconds Day of the Week Options 1 to 7 Sunday through Saturday Allows you to set the current day of the wee
59. ge return as its own ETX character and terminate the command Select Reset Sequences Both the concentrator and the decoder can ter minate the select sequence by transmitting a RES reset to the other device The following applies If the concentrator does not receive a response from the decoder after transmitting a select request RES SEL REQ the concentrator will wait for its time out and then retry the request It will retry the request three times before advancing to another device If the decoder receives bad data from the concentrator it transmits a SEL its select address and a NAK to the concentrator The concentrator re transmits the data up to three times The concentrator will end the sequence with a RES reset if no ACK is received If the concentrator transmits data to the decoder and the decoder responds with an ACK or NAK but the concentrator misses the decoder s response the concentrator will timeout and transmit a REQ to the decoder requesting another response to its transmission If after three requests the concentrator does not receive an ACK it will end the trans mission with a RES reset ETX Character Select commands or select multiple commands from the host to any address must end with an ETX if defined The default ETX character is a carriage return CR It can be changed to any ASCII charac ter or nulled undefined in the concentrator configuration program MS 5000 Multidrop Concentrator User s M
60. he Host Data that is transmitted to the host bar codes noreads counters etc from multidrop devices is handled by poll requests 1 See Chapter 2 Multidrop Communications for more details on Multidrop and other protocols and Multiple Concentrator Network on page 2 8 2 2 MS 5000 Multidrop Concentrator User s Manual Standard Single Concentrator Network The concentrator polls all active devices continuously and inactive devices intermittently see Polling Cycle Timing on page 2 7 The concentrator polls devices under it by substituting the ASCII hex values associated with each poll address It subsequently relays the data to the host whenever the host is available for input Polling Sequence In the polling sequence example in figure 2 2 the con centrator begins the poll sequence with a RES reset followed by poll address 1E the ASCII hex value for Decoder 02 FE Start of Sequence End of Sequence E Concentrator RES 1E REQ Decoder 02 1E STX DATA ETX LRC Figure 2 2 Polling Sequence It is followed by a REQ request The decoder responds by first transmitting its own address 1E followed by a STX start of text character and then the actual data a decoded barcode or a noread Next it transmits an ETX end of text character and an LRC longitudinal re dundancy check character If the concentrator receives the data from the decoder and is able to validate it with an LRC calculation
61. he rear of the concentrator for the connectors and cables c Use the measurements provided in figure 1 11 to locate centers of mounting holes and drill four 5 32 inch 4 mm holes d Secure concentrator with four 6 32 screws Caution The mounting screws should not penetrate into the concentrator case more than 0 12 in 3 mm or damage to the unit could result 0 T E a 5 o v a 0 5 12 7 5 6 142 24 gt Let l Front A K 7 MY 1 85 8 46 99 D 1 D 6 2 157 48 2 5 63 5 p 6 32 threads 6 35mm C9 4 places amp Rear measurements in inches and millimeters Figure 1 11 MS 5000 Bottom Mounting Diagram not full size 1 12 MS 5000 Multidrop Concentrator User s Manual Install Concentrator If the unit does not have housing use the measurements provided in figure 1 12 to locate the centers of the mounting holes 5 8 147 32 T o et c 9 5 a 5 a 0 030 7 62 5 2 132 08 5 8 0 160 4 06 DIA 4 places 3 8 96 52 4 5 114 30 gt Figure 1 12 MS 5000 without housing Mounting Diagram not full size MS 5000 Multidrop Concentrator User s Manual 1 13 Chapter 1 Setup and Installation 5 0 D c 2 5 ai x 1 14 MS
62. ile card 5 7 STX Start of Text 3 12 Switching power supplies 1 6 System Diagram 1 3 T terminal communications 1 10 Terminal Resistor A 9 terminal resistor 1 4 Time Keeping commands by serial commands 4 11 Time Keeping menu 3 15 3 17 Time Output 3 16 Time Stamp Separator 3 17 Trigger counter request 2 5 Turnaround Timeout by menu selection 3 7 by serial command Host port 4 4 by serial command LAN port 4 5 Turnaround Timeout host port by profile card 5 8 Turnaround Timeout LAN port by profile card 5 8 Typical Multidrop Networ 2 2 U Uploading Part Number 4 13 User Defined by menu selection 3 11 by profile card 5 6 by serial command 4 6 User Defined Multidrop by menu selection 3 12 by profile card 5 6 by serial command 4 6 W Warranty Information ii Write command 5 4 X XOFF Transmitter Off by menu selection 3 12 XON Transmitter On by menu selection 3 12 XON XOFF by menu selection 3 14 by profile card 5 9 by serial command 4 10 1 4 MS 5000 Multidrop Concentrator User s Manual
63. imit three has been reached or an ACK is sent by the other device 2 See your decoder or scanner user s manual for specific configuration and operation com mands 3 The carriage return is the default ETX character 2 4 MS 5000 Multidrop Concentrator User s Manual Standard Single Concentrator Network knowledge The concentrator then transmits an STX start of text the data in this case a lt T gt an ETX end of text and an LRC character The decoder replies by transmitting its own address followed by an ACK With an ACK the decoder acknowledges receipt of the command Upon re ceipt of an ACK the concentrator concludes the successful exchange with a RES In the example above the decoder only acknowledges a trigger counter request from the concentrator It does not respond to the trigger counter request until a subsequent poll For example if the decoder s trigger count was 12 at the time the trigger counter request was received on a subse quent poll it would transmit 02T 00012 The 02 at the beginning of the string is the decoder s address Note Data in select command strings to decoders cannot contain characters that match the host to concentrator ETX character or the command will be ter minated prematurely For example if a concentrator s ETX is the default car riage return character and you attempt to send a carriage return through the concentrator to a decoder the concentrator will interpret the carria
64. in buffers 51 lt C gt CR Partial buffer to host 51 lt D gt CR Launch Configuration Program 51 lt Z gt CR Save current configuration for power up 51 lt amp gt CR Upload to Current Date and Time 51 lt gt CR Upload to Software Part Number Less than lt and greater than gt symbols are included as part of the com mands There are no spaces between any fields but commas are used to separate data fields Configuration commands are shown here with one data field however the actual number of data fields varies by command MS 5000 Multidrop Concentrator User s Manual Quick Reference Tables Table A 4 Multidrop Address Characters Multidrop Poll Select Multidrop Poll Select his Character Character apes Character Character ASCII HEX ASCII HEX ASCII HEX ASCII HEX 01 AN 1C A 1D 26 N 4E O 4F 02 AN 1E 1F 27 P 50 Q 51 03 SP 20 21 28 R 52 S 53 04 y 22 23 29 T 54 U 55 05 24 25 30 V 56 W 57 06 amp 26 i 27 31 X 58 Y 59 07 28 29 32 Z 5A 5B 08 S 2A 2B 33 5C 5D 09 2C 2D 34 A 5E er 5F 10 i 2E 2F 35 60 a 61 11 0 30 1 31 36 b 62 C 63 12 2 32 3 33 37 d 64 e 65 13 4 34 5 35 38 f 66 g 67 14 6 36 7 37 39 h 68 i 69 15 8 38 9 39 40 j 6A k 6B 16 3A 3B 41 l 6C m 6D 17 lt 3C 3D 42 n 6E o 6F 18 gt 3E 3F 43 p 70 q 71 19 40 A 41 44 r 72 S 73 20 B 42 C 43 45 t 74 u 75 21 D 44 E 45 46 V 76 w 77
65. ions A 7 Appendix E Terminal Resistor A 9 Appendix F Interface Standards i ooooooo Woo A 10 Appendix G Glossary of Terms o ioooooooooW oom A 11 MS 5000 Multidrop Concentrator User s A 1 gt o T 5 o o Appendices Appendix MS 5000 Specifications Physical Characteristics Length 6 2 in 157 5 mm Height 1 36 in 34 5 mm Width 6 61 in 167 9 mm Weight 16 oz 453 grams 0 5 12 7 5 6 142 24 1 Front k X 11 85 x Gp 46 99 1 7 i ci CAUTION The 6 32 mounting screws shoud notextend more than 0 12 n 62 Gmm nbthe mounting holes 157 48 2 5 63 5 Y _ Nu vd 6 32 threads 6 35mm 69 4 places G9 e Y Inches mm Rear 5 8 147 32 ja 0 030 7 62 E ERE il g o E RE 5 2 132 08 x 9 Measurements in inches millimeters QNI Lj ae 0 160 4 06 DIA 4 places Front Figure A 1 MS 5000 Dimensions A 2 Communications Settings Host Port Communications Interfaces RS 232 RS 422 RS 485 ACSII Character Format 7 or 8 Data Bits Stop Bits 1 or 2 Baud Rates 600 1200 2400 4800 9600 19 2K 38 4K Selectable Parity Odd Even or None Protocols Point to Point Polling Mod
66. k Note Day of the Week is output only if Day MM DD YY is selected under Date Output Months Options 1 to 12 Allows you to set the current month Day of the Month Options 1 to 31 Allows you to set the current day of the month MS 5000 Multidrop Concentrator User s Manual Exiting and Saving Menu Changes Years Options 0 to 99 Allows you to set the current year Time Stamp Separator Default Space Options any ASCII character Allows you to set the character that separates date and time date output from the address of the device and the label data Exiting and Saving Menu Changes To exit the menu and save menu changes for power up press ESC escape key The following command line is displayed EXIT OR MAIN MENU E M Choose E to Exit You are asked Do you want to save changes for power up Y yes N no Press Y if you wish to retain the new settings for power up You will hear a one second beep indicating the save has been carried out P o D ES 2 O o 5 E MS 5000 Multidrop Concentrator User s Manual 3 17 Chapter 3 Menu Configuration D c ke S T o 1i mM 3 18 MS 5000 Multidrop Concentrator User s Manual SES Serial 4 Commands Chapter Contents Summary of Serial Commands sss 4 2 Configuration Commands eee 4 3 Host Port erue eb eet e 4 4 IAN POLL act cm eh e tement haa 4 5 Auxiliary POrt 5 er er em ia 4 6 Host
67. key to see the following on the command line EXIT OR MAIN MENU CE Hi Press M to return to the Main menu or press E to exit the Menu Configura tion program If E is pressed the following question appears Do you want to save changes for power on 7 eyes Mznao Press N to exit without saving changes or press Y to retain the current set tings for power on If Y is selected a second beep indicates that the save has been carried out Loss of Communications Making changes to communications parameters such as Baud Rate Parity and Stop Bits without corresponding changes in linked device s can result in the loss of menu access If this should occur default the concentrator see Appendix C Defaulting the MS 5000 Note Power must be available to the concentrator during the default proce dure Defining Special Characters To define any control character from the ASCII table Press SP once then enter the control character by holding down the control key and simulta neously pressing the desired character For example to define a line feed press SP then Control and J simultaneously It is displayed as J on the command line and as lt LF gt in the menu when the screen is refreshed To define CR as a character Press SP then CR It is displayed as M on the command line and as lt CR gt in the menu when the screen is refreshed To define a space as a character Press SP twice It is displayed as a blank space in the me
68. le to send lt Ke1 gt Postamble Enable to Con centrator 02 the host transmits 0251 lt Ke1 gt CR in the first sequence Concen trator X strips away the 02 substitutes 1F as the select address and forwards the remaining command string to Concentrator 02 as shown in fig ure 2 10 V Start of Sequence Concentrator X RES 1F REQ Concentrator 02 If the host application s software or a programmable logic controller PLC can mimic a concentrator the MS 5000 concentrator itself can be config ured in Multidrop or User Defined Multidrop and assigned an address See figure 2 11 This type of network uses an RS 485 polled interface between the con centrator and the host Select Command to a Multidrop Concentrator When the host sends a select command to a concentrator that s configured in Multidrop it trans mits the select address 1D hex for multidrop concentrator address 01 as shown in figure 2 11 It also prefaces the command with a 51 just as was done in figure 2 10 STX 51 Ke1 ETX LRC 1F ACK 1F ACK Figure 2 10 Concentrator to Lower Level Concentrator Select Sequence Host to Concentrator Polled Network End of TOS RES de a ke Ke O 3 3 Host Polled Protocol Multidrop or User Defined Multidrop RS 485 Interface Series s10 1010 Concentrator d Multidrop ONLY RS 485 Interface LAN Decoder 02 Decoder 03 Decoder 04
69. le command line that appears at the bottom of each menu Battery backed RAM When enabled data in RAM is saved at power OFF for use when the con centrator is powered back on When disabled data in RAM is lost when power is turned off Default Disabled Options Enabled Disabled 1 Battery backed RAM is optional 3 14 MS 5000 Multidrop Concentrator User s Manual Polled Device Status Menu Polled Device Status Menu This menu lists all device addresses from 1 to 50 as Inactive or Active An Active device is one that is physically connected to the MS 5000 and detected by the MS 5000 during the polling cycle However if a device goes off line or is assigned a different address then its status changes to Inac tive If assigned a new address it will automatically be listed as Active whenever the Polled Device Status menu is refreshed Note Decoders or scanners to be linked up to a MS 5000 multidrop concentra tor can ONLY be configured in standard Multidrop and must be configured as such from within their own configuration programs Hint Attach a tag to each device to identify its multidrop address Time Keeping Menu Allows you to determine the way that time and date information is prepended added to the beginning to decoded label data To activate time keeping you need to enter the current time and date the ie time and date format and a separator character The output is as
70. lectronic Industries Association EIA specify such things as the signaling voltage levels maximum cable lengths and number of drivers With Microscan devices selection of inter face is made by pin assignment and in the case of the host communica tions by software switching between RS 232 and RS 422 Microscan devices use RS 232 RS 422 and RS 485 multidrop RS 232 RS 232 defines an interface between two devices such as for example the concentrator and host It differs from the other interfaces by dedicating indi vidual pins to specific functions and by requiring both devices to share a common ground line Since both device chassis are connected to a com mon ground a ground loop potential and the possibility of noise interfer ence exists Therefore cable lengths are limited to a maximum of 50 feet 15 24 m Despite being the most limited this interface is used frequently because of the large installed base of RS 232 equipment RS 422 RS 422 unlike RS 232 measures signals differentially that is the receiver looks at the potentials between the two receive or transmit wires rather than the potential between signal and ground As a result cables if shielded can be up to 4000 feet 1219 m in length Like RS 232 RS 422 communication is designed for only two devices on a single line It can be used wherever RS 232 is used RS 485 RS 485 like RS 422 can transmit up to 4000 feet 1219 m using differen tial voltages
71. nd Control Characters Mnemonic displayed on Entered in menu or Effect of Command Microscan menu serial command a RES D Reset o REQ E Request EOT AD Reset D STX B Start of Text 3 ETX C End of Text m ACK F Acknowledge i NAK U Negative Acknowledge 1 The lt Kf0 gt nulls the address and the lt KcO gt disables LRC 2 A control character although conventionally represented here and in the ASCII table in appendix B as two characters F or U etc is actually a single ASCII character which is entered on the keyboard by holding down the control key while pressing the desired letter MS 5000 Multidrop Concentrator User s Manual 4 7 7 ke 5 o Q 9 T Chapter 4 Serial Commands 4 8 Note See table A 1 ASCII Table with Control Characters in appendix B for a complete list of control characters In Protocols 6 and 7 the concentrator s address and protocol commands can be defined or changed by concatenating them in twenty data fields separated by commas The order is Note EOF appears only in the To Host commands Example 1 To define a User Defined protocol with ACK NAK protocol enter lt Kf0 gt 51 lt Kf6 4F U 4F U gt CR Kf0 puts the concentrator in Point to Point mode Kf6 puts the concentrator in User Defined The five commas keep the current values for Address and From Host protocol commands RES REQ STX and ETX F and U as sign an ACK
72. nd decoders and object detec tors as required is a prerequisite to successful bar code scanning Before installing the concentrator you should sketch out a diagram of your scanning system showing equipment connectors and cable types and cable lengths You should also evaluate the following Scanning System Examine each function of your operation and determine which transaction points need to be automated Scanning Devices The MS 5000 multidrop concentrator can be used with scanners or the combination of scan heads and decoders Call your Microscan representative for product specifications You may also incorporate bar code label printers label applicators divert ers alarms and other devices into the system Bar Code Symbology Review your system when choosing a bar code symbol Consider the information itself numeric or alphanumeric message length how and where labels are applied host software limitations con veyor and scan speed beam width and scanning device range Scanning Variables See your scanning device user s manual for informa tion on ranges label speed etc Environment Check all product specifications temperature humidity noise ambient light etc before installation to be sure your system environ ment is compatible 5 0 D c 2 5 at 2 1 2 MS 5000 Multidrop Concentrator User s Manual Plan Scanning System Bar coded Power item flow supply
73. ndard multi drop protocol commands enable Multidrop first then select User Defined Multidrop MS 5000 Multidrop Concentrator User s Manual Host Protocol Menu Preamble Default CR M Options Up to five ASCII characters Allows you to add up to five ASCII characters to the front of the decoded data Note If User Defined Polling Mode D or Multidrop protocol is enabled the Pre amble characters are transmitted within the STX and ETX data block Preamble enable disable Default Disabled Options Disabled Enabled Allows you to enable or disable the preamble character s Preamble can be enabled or disabled within any protocol Postamble Default CR M and LF J Options Up to five ASCII characters Allows you to send up to five ASCII characters to be added after the decoded message Note If User Defined Polling Mode D or Multidrop protocol is enabled the Postamble characters are transmitted within the STX and ETX data block Postamble enable disable Default Disabled Options Disabled Enabled Allows you to enable or disable the Postamble data string Postamble can be enabled or disabled within any protocol Longitudinal Redundancy Check Default Disabled in unpolled mode Enabled in polled mode Options Disabled Enabled An error checking routine which verifies the accuracy of transmissions It is the exclusive OR of all characters following SOM start of message up to and including the EOM end of mess
74. ntrator would be required in place of each ETX Commands to a Concentrator For direct communications from the host to a concentrator enter 51 lt data gt CR The 51 cues the concentrator to accept the following command so that it will not forward Data is any serial configuration or operational command Sending Data to an Auxiliary Monitor To send data from the host to an auxiliary monitor enter 52data The 52 indicates the information is to be sent to the auxiliary monitor Do not insert brackets around the data Information following the 52 is dis played on the auxiliary monitor verbatim E fo o Q fe 3 N 2 6 MS 5000 Multidrop Concentrator User s Manual Standard Single Concentrator Network Polling Cycle Timing A properly connected decoder or other device configured for Multidrop and assigned an address between 01 to 50 will be listed in the concentrator s Device Status menu as Active During the polling cycle the concentrator polls each active decoder for label data and checks one inactive address s ow poll to determine if it has become active If so it will be added to the Active list Within a given num ber of polling cycles all 50 decoder addresses are polled This routine keeps polling cycles as brief as possible and allows any addressable device to be turned on or off during the polling operation without stopping or re configuring the concentrator The time it takes to poll an inactive device will
75. ntrator User s Manual Quick Reference Tables Appendix B Quick Reference Tables gt Lo UO Table A 1 ASCII Table with Control Characters 3 Dec Hex Mne Ctrl Dec Hex Ch Dec Hex Ch Dec Hex Ch o 00 00 NUL Q 32 20 SP 64 40 96 60 o 01 01 SOH A 33 21 65 41 A 97 61 a 02 02 STX B 34 22 66 42 B 98 62 b 03 03 ETX C 35 23 67 43 C 99 63 C 04 04 EOT D 36 24 68 44 D 100 64 d 05 05 ENQ E 37 25 96 69 45 E 101 65 e 06 06 ACK F 38 26 amp 70 46 F 102 66 f 07 07 BEL AG 39 27 i 71 47 G 103 67 g 08 08 BS H 40 28 72 48 H 104 68 h 09 09 HT 41 29 73 49 105 69 i 10 OA LF AJ 42 2A 74 4A J 106 6A j 11 0B VT K 43 2B 75 4B K 107 6B k 12 OC FF AL 44 2C 76 4C L 108 6C l 13 OD CR AM 45 2D 77 4D M 109 6D m 14 OE SO N 46 2E 2 78 4E N 110 6E n 15 OF SI O 47 2F 79 4F O 111 6F o 16 10 DLE P 48 30 0 80 50 P 112 70 p 17 11 DC1 Q 49 31 1 81 51 Q 113 71 q 18 12 DC2 AR 50 32 2 82 52 R 114 72 r 19 13 DC3 AS 51 33 3 83 53 S 115 73 S 20 14 DC4 AT 52 34 4 84 54 T 116 74 t 21 15 NAK AU 53 35 5 85 55 U 117 75 u 22 16 SYN AV 54 36 6 86 56 V 118 76 V 23 17 ETB W 55 37 7 87 57 W 119 77 w 24 18 CAN X 56 38 8 88 58 X 120 78 X 25 19 EM Y 57 39 9 89 59 Y 121 79 y 26 1A SUB AZ 58 3A 90 5A Z 122 7A Zz 27 1B ESC Af 59 3B 91 5B 123 7B 28 1C FS 60 3C lt 92 5C 124
76. nu when the screen is refreshed While it appears that noth ing has been assigned the hex value 20 will be sent during data transmis sion To select NUL as the character Press SP then a 0 zero It is displayed as lt NUL gt in the menu when the screen is refreshed D c ke o T 1i mM 3 4 MS 5000 Multidrop Concentrator User s Manual Communications Menu For Host LAN and Auxiliary Ports Communications Menu Communications Bold text represents default settings Host Port t T T 1 Baud Rate Parity Stop Bits Data Bits RS 422 1200 Even H One i Seven i Disabled 19 2K 2400 Odd Two L Eight L Enabled 38 4K 4800 None 600 Turnaround Intercharacter Poll Response Timeout Timeout Timeout 15 ms 15 15 L 1 to 250 _ 1 to 250 1 to 250 LAN Port T T T T 1 Baud Rate Parity Stop Bits Data Bits Number of RS 422 9600 1200 Even L One Seven Devices Disabled L19 2K 2400 Odd L Two Eight 50 Enabled m L 38 4K 4800 None 1to 50 L 600 on D ab Aux Port D T T T T 1 Baud Rate Parity Stop Bits Data Bits Aux Mode RS 422 2 9600 rae Even One Seven F Enabled i Disabled E L 19 2K 4800 Odd Two Eight Disabled Enabled None Figure 3 2 Communications Menu Structure Note Since the procedure for changing communications parameters is identi cal for each port Host LAN and Aux this section shows command line exam ples for Ho
77. on changes to the MS 5000 concentrator can also be made with the profile card The profile card available from Microscan as an accessory 97 100001 XX is not essential to the operation of the concentrator but can speed up configuration and is particularly useful for copying configuration from one device to another and for configuring devices that have been given multidrop addresses MS 5000 Multidrop Concentrator User s Manual T v x ke o O iY or xe Cc o xD c le T Te Chapter 5 Profile Card Configuration Summary of Profile Card Modes Table 5 1 Profile Card Mode Descriptions for the MS 5000 Mode Parameter Function Write to Device Downloads writes all of the configuration parameters stored in the Function profile card to the connected concentrator 0 Read Function Uploads configuration data from the volatile RAM of the concentrator to the non volatile RAM of the profile card Default Sets unit to the default configuration settings Menu Enters menu program while the concentrator is in polled mode Write amp Assign Combines the write function of mode 0 with the address function of 1 mode 2 Downloads a user selected multidrop address as well as all Address of the configuration parameters stored in the profile card Assign Multi Assigns user selected multidrop addresses to the concentr
78. onal Commands 4 2 Table 4 3 Protocol COMMAMNAS sse 4 7 Table 5 1 Profile Card Mode Descriptions for the MS 5000 5 2 Table 5 2 Calculating Binary Conversion ee 5 10 Table A 1 ASCII Table with Control Characters ooo oWoWooo A 3 Table A 2 Serial Configuration Commands for the MS 5000 A 4 Table A 3 Operational Commands for the MS 5000 sess A 4 Table A 4 Multidrop Address Characters ooooooooWooWooooW A 5 About the MS 5000 Concentrator The MS 5000 multidrop concentrator networks up to 50 devices decoders scanners etc and sends the data throughput speeds up to 38 4 K bits per second to serial output to the host The MS 5000 collects data from individual decoders stores that data in battery protected memory on a FIFO first in first out basis and sends it to the host upon request The MS 5000 also enables the host to transmit commands to individual decoders and other devices in a multidrop configured network MS 5000 Multidrop Concentrator User s Manual v About this Manual This manual provides complete information on setting up installing and configuring the MS 5000 concentrator Chapter 1 provides overall step by step instructions for setting up and install ing the MS 5000 concentrator with specific go to references to other chap ters and appendices Chapter
79. or X and Concentrator 02 for example the Trigger Count request lt T gt the host transmits 0201 lt T gt CR It does not address Concentrator X because it is communicating with Con centrator X in an unpolled mode First Select Sequence When concentrator X receives the command it strips away the 02 substitutes 1F hex as the select address and forwards the remaining command 01 lt T gt to Concentrator 02 shown in figure 2 8 D End of Sequence pl Concentrator X RES 1F REQ STX 01 lt T gt ETX LRC RES Concentrator 02 1F ACK 1F ACK Figure 2 8 Concentrator to Concentrator Select Sequence E fo o Q fe 3 N Second Select Sequence Concentrator 02 then relays the command to Decoder 01 in a typical select sequence as shown earlier in figure 2 3 on page 2 4 It strips off the 01 from the command substitutes 1D hex as the select address and transmits the remaining data lt T gt to Decoder 01 shown in figure 2 9 p Start of Sequence End of Sequence 4 Concentrator X RES 1F REQ STX 01 T ETX LRC RES Concentrator 02 1F ACK 1F ACK Figure 2 9 Concentrator to Decoder Select Sequence 2 10 MS 5000 Multidrop Concentrator User s Manual Select Commands to a Lower Level Multidrop Concentrator Com Multiple Concentrator Network mands to lower level concentrators in multiple concentrator networks such as Concentrator 01 or 02 in figure 2 5 include both the concentrator s address and a 51 For examp
80. r own expense must take whatever measures may be required to cor rect the interference For connection to a Listed direct plug in power unit marked Class 2 and rated at 5 VDC 300 mA and 12 VDC 40 mA Approvals CE Compliant Safety Labels This certification label is located on the bottom of the MS 5000 UNG Tester shaldrot edendrrorethen 0 12in O terere o MICROSCAN EO CE esl MS 5000 Multidrop Concentrator User s Manual vii viii MS 5000 Multidrop Concentrator User s Manual de Setup and l Installation T o et c 9 5 a 5 a Chapter Contents Step 1 Plan Scanning System 1 2 Step 2 Attach Cabling ooooooWoWoooW WWW Woman 1 5 Step 3 Configure Concentrator 1 10 Step 4 Position Scanning Devices oooorWWoWoo oo 1 11 Step 5 Install Concentrator i oooocooWoWooooooo oW 1 12 This chapter outlines the recommended steps for setting up your system and specific instructions for installing and attaching cabling to the MS 5000 multidrop concentrator You need not follow the precise order of these steps if you are already familiar with Multidrop or have your system in place MS 5000 Multidrop Concentrator User s Manual 1 1 Chapter 1 Setup and Installation 1 Plan Scanning System Careful evaluation of the specific application including the number type and location of scanners or scan heads a
81. rator network 2 8 2 11 Multiple Poll Sequence 2 9 Multiple Select Commands 2 10 N NAK Negative Acknowledge by menu selection 3 12 Noise interference A 7 Nulls as characters 3 4 Number of Devices by menu selection 3 8 by serial command 4 5 O Operating Environment A 2 Operational Commands 4 12 4 13 summary 4 2 P Parity by menu selection 3 6 Parity aux port by profile card 5 7 by serial command 4 6 Parity host port by profile card 5 5 1 2 MS 5000 Multidrop Concentrator User s Manual by serial command 4 4 4 5 Parity LAN port by profile card 5 7 Physical specifications A 2 PLC 1 8 Point to Point by menu selection 3 9 3 10 by profile card 5 6 by serial command 4 6 Point to Point with RTS CTS by menu selection 3 9 3 10 by profile card 5 6 by serial command 4 6 Point to Point with RTS CTS amp XON XOFF by menu selection 3 9 3 10 by profile card 5 6 by serial command 4 6 Point to Point with XON XOFF by menu selection 3 9 3 10 by profile card 5 6 by serial command 4 6 Poll Response Timeout by menu selection 3 7 by serial command 4 4 Polled Device Status Menu 3 15 Polling cycle timing 2 7 reset sequences 2 3 Polling Mode D by menu selection 3 10 by profile card 5 6 by serial command 4 6 Postamble by menu selection 3 13 by profile card 5 5 by serial command 4 9 Power Connector 1 6 Preamble by menu selection 3 13 by profile card 5 5 by serial command 4 9 Pro
82. rn to the Main menu at any time press ESC escape key and M For example to change Turnaround Timeout to 10 see Figure 3 2 Com munications Menu Structure on page 3 5 use the following command line path Main gt Communications This is the first prompt displayed in the Main gt Host Protocol Main Menu Press CR to access the Main gt Device Status Communications menu Main gt Time Keeping Communications gt Host Port Since Turnaround Timeout is a Communications gt LAN Port subtopic of Host Port press CR to Communications gt Aux Port access the Host Port parameters dp s Host Port gt Baud Rate 9600 Baud Rate is the first parameter Host Port gt Parity Even under Host Port Press SP until you O Host Port gt Stop Bits One reach Turnaround Timeout Press CR 9 Host Port gt Data Bits Seven to change Ei Host Port RS 422 Disabled Host Port gt Turnaround Timeout 15 Host Port gt Intercharacter Timeout 15 Host Port gt Turnaround Timeout 15 gt Type in 10 and press CR To view Turnaround Timeout s new status in the menu press M to refresh the screen To return to the Main menu press M again To return to the Main menu at any time press ESC escape key and M MS 5000 Multidrop Concentrator User s Manual 3 3 Chapter 3 Menu Configuration Saving Menu Changes Press ESC escape
83. st Port only Some parameters are not applicable N A to every port thus each port will have a unique order of command lines The differences are noted in the following text Baud Rate is the first parameter for Host and LAN Port Aux Mode is the first parameter for Aux Port MS 5000 Multidrop Concentrator User s Manual 3 5 2 c ke o T 1i mM Chapter 3 Menu Configuration 3 6 Baud Rate Default 9600 baud for all three ports Options Host and LAN 600 1200 2400 4800 9600 19 2K and 38 4K Aux Port options 2400 4800 9600 and 19 2K Number of bits transmitted per second Note Due to timing considerations polled modes require 2400 baud or faster Parity Default Even Options Even Odd None Error detection routine in which one data bit in each character is set to 1 or 0 so that the total number of 1 bits in the data field is even or odd Stop Bits Default One Options One Two Last one or two bits in each character to indicate the end of the character Data Bits Default Seven Options Seven Eight Number of bits in each character RS 422 Default RS 232 Options RS 232 RS 422 Used only in Point to Point protocol and not with RTS or CTS RS 422 is not used with Aux Port See appendix F Interface Standards for an explanation of RS 422 When RS 422 is disabled RS 232 is enabled An exception to this is that whenever Multidrop or User Defined Multidrop is selected the func
84. supply The power supply must provide a reli able earth ground connection MS 5000 Multidrop Concentrator User s Manual A 7 Appendices Shielding Communications Cable 2 Earth Ground Concentrator Concentrator Figure A 4 Network Grounding Diagram MS 5000 Multidrop Concentrator User s Manual Terminal Resistor Appendix E Terminal Resistor To guarantee signal integrity a 68 ohm resistor is necessary at the last device in a network With MS 3000 Decoders Terminal resistors are built into the MS 3000 decoders and are activated by setting an internal DIP switch no 1 DIP switch S2 to ON as shown in figure A 5 gt o T 5 2 o o Power Switch Front of MS 3000 1 DIP switch set to ON position Figure A 5 DIP Switch in last MS 2000 MS 3000 With Other Devices Terminal resistors can be installed externally by wir ing the resistor into the last T junction box or by wiring within the connector of the last scanner or decoder in line Terminal resistors are wired between the receive lines of the last scanner Caution Setting the DIP switch termination resistor on the MS 3000 decoder and then moving the decoder to a different location will cause the trunk cable to end at the new location MS 5000 Multidrop Concentrator User s Manual A 9 Appendices Appendix F Interface Standards Interface Standards established by the E
85. t is determined by the relay driver selection during configuration ROM Read Only Memory Memory that cannot be changed Scan Head The module that projects laser light on bar code labels and receives reflected light back This device changes the analog signal to a digital representation of the bar code and outputs it to a decoder MS 5000 Multidrop Concentrator User s Manual Glossary of Terms Select Commands Configuration or operation instructions originating from the host and consisting of to decoders and other devices that are configured in Multidrop Serial Commands The classification of commands that are generated by the following structure specific to a multidrop system an address 51 for concentrators a less than lt symbol specific command datum a greater than gt symbol and a CR carriage return Serial Configuration The method of changing factory default settings via command strings The structure for a multidrop system consists of an address 51 for concentrators a less than lt symbol a capital K a param eter letter configuration data a greater than gt symbol and a CR carriage return Trigger A signal either external or serial that initiates the read cycle and causes the decoder to expect label input Turnaround Timeout The time that the concentrator will wait between its request for data and a device s response in a poll or select sequence gt o T 3 2 o o
86. the concentrator responds with an ACK acknowl edgment If the decoder receives the ACK the decoder ends this successful exchange with a RES reset Polling Reset Sequences Both the concentrator and the decoder can ter minate the polling sequence by transmitting a RES reset to the other device The following conditions and responses apply f the concentrator does not receive a response from the decoder follow ing its poll request the concentrator will wait until it times out and then retry the request It will retry the request three times before going on to another device If the decoder has no information it responds to a request by transmitting a RES reset If the decoder receives a NAK instead of the ACK after transmitting its data string it will re attempt to transmit the data string up to three times If 1 See also Polled Device Status Menu on page 3 15 MS 5000 Multidrop Concentrator User s Manual 2 3 Pa s a x ke Ke 2 ke 3 3 Chapter 2 Multidrop Communications the decoder still does not receive an ACK it will transmit a RES reset and discard the data in its buffers If the decoder transmits data to the concentrator and the concentrator responds with an ACK or NAK but the decoder doesn t receive the con centrator s response the decoder will timeout and transmit a REQ to the concentrator and request another response If after three retries the num ber of times it transmi
87. tioning standard is RS 485 regardless of the displayed status of RS 422 in the menus Aux Mode Default Enabled Options Enabled Disabled Aux Port only Used only when connected to the Aux Port labeled MONITOR on the con centrator Aux Mode can be used for menu configuration see serial com mands device status monitoring and for displaying host messages MS 5000 Multidrop Concentrator User s Manual Communications Menu Turnaround Timeout Default 15 ms for Host Port and 12 ms for LAN Port Options 1 to 250 ms The time that the concentrator will wait between its request for data and a device s response in a poll or select sequence At the Host port the time the concentrator will wait for a response from the host when communicating with the host in Multidrop or User Defined Multi drop At the LAN port the time the concentrator will wait for a response from a LAN device when communicating with that device in Multidrop or User Defined Multidrop Note Turnaround Timeout for the LAN Port in the host unit should be set for a longer period of time than it will take the concentrator to poll and receive the longest anticipated data string from the decoders it is polling Intercharacter Timeout Default 15 ms Options 1 to 250 ms Intercharacter Timeout used only with Host Port is the concentrator s wait ing period between individual characters transmitted from the host Poll Response Timeout Default 15 ms Options 1
88. tor by shorting Figure A 2 Profile Card Default Setting pins 7 and 11 CAUTION Be sure to short the correct pins Shorting the wrong pins can cause serious damage to the unit 1 Locate pins 7 and 11 on the host connector figure A 3 and mark Use a small length of light wire approximately 4 inches 18 to 26 gauge for shorting 2 Momentarily short pins 11 and 7 Listen for a series of short beeps 3 Within 3 seconds short pins 11 and 7 again A longer beep should be heard If not repeat the process Note Using switching power sup Pin 11 Pin 7 plies as a power source is not recommended due to excessive ripple characteristics Figure A 3 Host Connector Default Pins on back of concentrator A 6 MS 5000 Multidrop Concentrator User s Manual Ground and Shield Considerations Appendix D Ground and Shield Considerations Proper grounding is necessary for operator safety noise reduction and the protection of equipment from voltage transients Buildings including any steelwork all circuits and all junction boxes must be grounded directly to an earth ground in compliance with local and national electrical codes RS 232 signals have a common signal ground pin 7 Pin 7 is normally con nected to pin 1 chassis ground in the concentrator however under certain conditions e g when potential differences exist between power outlet grounds signal and chassis grounds can be isolated from each other inside
89. ts a REQ to the concentrator the decoder receives no response it ends the transmission with a RES reset Select Commands from the Host Unlike poll requests select commands always originate from the host and consist of configuration or operation commands to decoders and other de vices that are configured in Multidrop The decoder complies with the com mand when it is polled during the polling cycle For example if the host requests a trigger count command lt T gt from De coder 02 it will transmit the data string 02 T CR to the concentrator The concentrator takes this command strips off the 02 and substitutes the hex value 1F as shown in the following select sequence figure 2 3 Start of Sequence End of Tus Concentrator RES 1F REQ STX T ETX LRC RES Decoder 02 1F ACK 1F ACK Figure 2 3 Select Sequence E fo o Q fe 3 N Note Commands from the host must be sent as a data block or as a string from a softkey because hand entry is too slow to prevent the concentrator from timing out between characters ARES reset is the first command in the select sequence The 1F hex is the select address associated with the decoder s 02 address see Table A 4 Mul tidrop Address Characters on page A 5 It is followed by a REQ request The decoder responds with its own select address 1F hex and an ACK ac 1 A retry can be triggered by a NAK or a timeout A reset occurs after the retry l
90. umn over the number 128 since that is the largest possible decimal equivalent to use Table 5 2 Calculating Binary Conversion Data Switches On Off 123 4 5 6 7 8 Data Switches bit representation Data Switch Settings EN En ER ER ER EI Binary Code 2 10 26 58 r22 Remainder Numbers ps lt Number to Convert 1 2 4 8 16 32 64 126 Decimal Equivalent 3 Subtract the decimal equivalent from the original number 4 Place the remainder above the next largest decimal equivalent that does not exceed the remainder number 5 Put a one 1 above that number 6 Continue this process until the remainder equals zero 0 as follows 250 128 122 64 58 32 26 16 10 8 2 2 0 OFF positions on the data switches result from Decimal equivalent numbers passed over because they are greater than the remainder the third bit in table 5 2 Decimal equivalent numbers not used because the formula has termi nated with a remainder of zero 0 the first bit in table 5 2 xe Cc o xD ue le T Te 5 10 MS 5000 Multidrop Concentrator User s Manual Appendices Contents Appendix A MS 5000 Specifications A 2 Appendix B Quick Reference Tables A 3 Appendix C Defaulting the MS 5000 see A 6 Appendix D Ground and Shield Considerat
91. xceeds the value used for Number of Devices D c ke o T 1i mM 3 8 MS 5000 Multidrop Concentrator User s Manual Host Protocol Menu Host Protocol Menu Host Protocol T T T I Protocol Preamble Preamble Postamble Postamble L Point to Point M Disabled AM AJ Enabled Point to Point l User l Enabled _ User _ Disabled w RTS CTS Definable Definable L Point to Point ASCII char ASCII char w XON XOFF Point to Point w RTS CTS amp XON XOFF L Polling Mode D Multidrop L Address 1 L User Definable User Defined From Host Address RES REQ STX ETX M L ACK L NAK EOR XON Q XOFF S I To Host RES REQ STX ETX AM ACK p L NAK EOR EOF XON Q XOFF S on User Defined Multidrop same options as User Defined L T T T T T 1 LE LRC RTS CTS XON XOFF Blocking Full Screens Battery 9 Disabled I Disabled Disabled Factor Enabled Backed Ram 2 Enabled L Enabled _ Enabled 1 _ Disabled Disabled 1 to 127 _ Enabled le Figure 3 3 Host Protocol Menu Structure Note Host Protocol menu defines the communication protocols between the concentrator and host or higher level device and NOT the connection between the concentrator and decoder Protocol Default Point to Point Options Point to Point Point to Point with RTS and CTS Point to Point with XON XOFF Point to Point with RTS
92. y the use of individual device addresses and the RS 485 standard Null A non printed character that acts as a space holder Object Detector A photo electric device used to sense the presence or absence of an object Operational Commands Serial commands from the host to the reader that control current operating parameters counters master label operations and program management that are not stored in non volatile RAM Parity An error detection routine in which one data bit in each character is set to 1 or 0 so that the total number of 1 bits in the data field is even or odd Point to Point A protocol consisting of a single communications event typically used to connect a bar code reader to a CRT terminal or a host computer Polled Protocol A communication protocol in which the host requests information from the concentrator by means of an address Polling Request In a typical multidrop network a polling request occurs when the concentrator polls the devices under it by substituting the ASCII hex values associated with each poll address Port Logical circuit for data entry and exit One or more ports may be included within a single connector Protocol The rules for communication between devices providing a means to control the orderly communication of information between linked devices RAM Random Access Memory Memory that is lost after power is recycled to the unit Relay Driver A TTL signal sent by the decoder The outpu

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