87805 Production Monitor Display User`s Manual
Contents
1. V Vorne Industries 87 805 Production Monitor Display User s Manual 1445 Industrial Drive Itasca IL 60143 1849 630 875 3600 Telefax 630 875 3609 Chapter 1 Setting Up Your Display For Operation j 1 1 Accessing Wiring Connections And Selection Switches 3 EZ Operation a tama ta a ama aa de a a 3 1 3 Setting The DIP Switches For Your Application 4 Run and Program Modes v reneenernerneereaeeneaneea 4 DIP Switch or VDP4 Selection r eea eee 4 UME TYPE cord alice alle mamma lubata UA ama 4 Input 2 Input Raise 5 Input 1 Input Rale iv cota tido hea MAA 5 Active Level ci lamama temasse REEERE alata ala viaal jka aaa 5 Counter Mode ani ele Bel ee Be A SR ene 45 1 4 Connecting Power To The Display 0 ccc cece eee eee eee eee 7 1 5 Wiring and Specifications nnnunnnunnnnnennn nun nunn 7 PROSCT Ian oe Ama MO EAS 7 Input and INPUT 2 ess Ye rede eit Oe aa eee ie ade Oa a _7 Output Voltage vrn aana cen eee ada a era na naa eae 8 WINO torna k te Sudden a e mie e EE tela dives pase 8 1 6 Basic Information About Serial Communication Ports 9 1 7 RS 232 Communication To A Single Display eeennnnn 9 Selecting RS 232 Communication nnnnnnnnaereae2. 87 256 Event Counter 87 415 Rate Monitor 87 705 Elapsed Timer 87 805 Production Monitor 4 87 805 Users Manual Input 1 Input Rate The input rate for Input 1 is field programmable to low or high speed by setting this DIP switch When using a input device such as a switch or a relay contact set the input rate to low speed This will prevent false counts caused by contact bounce For input devices such as proximity sensors and photoelectric eyes set the input rate to high speed Shielded wire for the input is recommended when the unit is set to high speed but not reguired for low speed Input 1 Rate High speed Input 2 Input Rate The input rate for Input 2 is field programmable to low or high speed by setting this DIP switch When using a input device such as a switch or a relay contact set the input rate to low speed This will prevent false counts caused by contact bounce For input devices such as proximity sensors and photoelectric eyes set the input rate to high speed Shielded wire for the input is recommended when the unit is set to high speed but not reguired for low speed 6 Input 2 Rate High speed Production Monitor Mode The operation of the production monitor can be configured to meet your application Input 2 can be set as an external time input a hold input or disabled The Production Monitor reload value is entered in seconds A setting of 5 will result in the display incrementing by 1 every 5 secon
3. Display 6 Digit 34 50 10 40 33 501 7 70 6 Display 8 Digit 45 30 10 40 44 30 7 70 8 Display 2 Digit 15 90 12 40 14 90 9 70 8 Display 3 Digit 22 80 12 40 21 80 9 70 8 Display 4 Digit 29 70 12 40 28 701 9 70 8 Display 6 Digit 43 50 12 40 42 50 9 70 8 Display 8 Digit 57 30 12 40 56 30 9 70 12 Display 2 Digit 22 80 16 40 21 80 13 70 12 Display 3 Digit 33 15 16 40 32 15 13 70 12 Display 4 Digit 43 50 16 40 42 50 13 70 12 Display 6 Digit 64 20 16 40 63 20 13 70 12 Display 8 Digit 84 90 16 40 83 90 13 70 All Dimensions in inches 87 805 Users Manual 23
4. Setting the unit to Program mode allows the unit to be customized using VDP4 and to run one of two diagnostic routines If DIP switch 2 is off the display cycles thru the following display diagnostic a Error status Should show EO E1 or E2 indicates a memory error b Unit Address Default value is 00 c Red segment test The unit will turn on 1 segment at a time A thru F and DP d Green segment test For a single color display a blank screen will be displayed e All segments ON f Unit type 0 87 805 g This is a separator between the Unit type and the Software version h Software version This number is displayed on two consecutive screens Ex 1 1 3 If DIP switch 2 is on the display runs a DIP switch diagnostic This diagnostic displays the HEX value of DIP switches 3 thru 10 switches 3 to 6 MSD switches 7 to 10 LSD DIP Switch or VDP4 Selection For normal operation the Settings DIP switch should be set to DIP switch on In program mode Switch 2 selects between Display test off and DIP switch test on For VDP4 customized units DIP switch 2 will be set to VDP4 off and switches 3 10 will be ignored Settings DIP Switch Unit Type The unit type of your 87 series display determines how the unit will operate There are four unit types available Event Counter Rate Monitor Elapsed Timer and Production Monitor The functionality of DIP switches 5 to 10 is determined by this selection 3141 Unit Type
5. each command Remember that the control characters lt SOH gt lt CR gt and lt LF gt cannot be used anywhere in the data portion of the packet as they are reserved for marking the beginning and end of packets The following examples assume that addressing is not being used and that Terminator has been selected as lt CR gt Also note that the header of the packet lt SOH gt s has the effect of broadcasting to all displays overriding any group or individual address a display might be set to 87 805 Users Manual 13 Simulate An Input The Input command string begins with the ASCII character I 49 hex 73 decimal Note that the I must be upper case The rest of the data consists of a ASCII character which represent the input to simulate The available inputs are Input ASCII Character Hex Decimal Representation Input 1 1 31 hex 49 decimal Input 2 2 32 hex 50 decimal Reset R 52 hex 82 decimal Display Data Data to be displayed is preceded by the ASCII character D 44 hex 68 decimal Note that the D must be upper case The data will be displayed in a fixed non flashing manner Data sent to the unit using this command will remain on the display until an input is received or power loss 1234 lt SOH gt s D1234 lt CR gt 888 8 lt SOH gt s D888 8 lt CR gt Flash Data Data to be displayed flashing is preceded by the ASCII character F 46 hex 70 decimal Note that the F must be upper case The data will be displayed flas
6. port is the standard communication port available in a 87 805 87 805 Users Manual 9 RS 232 Connectors The RS 232 port is available on pins to 3 of the 3 pin communication port terminal strip marked P3 The RS 232 terminal strip is shown below 3 Pin COM PORT Terminal Strip P3 Pin Pins 1 to 3 RS 232 Port RS 232 Transmit Data TxD 2 Z Z RS 232 Receive Data RxD Communication GROUND 1 2 3 Many host devices use either DB25 or DB9 connectors for their RS 232 ports For your reference two common RS 232 DB interfaces are shown below They are the standard male DB25 interface and the standard male IBM AT style DB9 interface Standard Host Device RS 232 DB Connectors DB25 MALE DB9 MALE Data Carrier Detect DCD Signal Ground Data Set Ready DSR Data Carrier Detect DCD Clear To Send CTS ________ gt Receive Data RxD Request To Send RTS Receive Data RxD Transmit Data TxD O 00000000000 O O O06EEW EE9988889 Data Terminal Ready DTR Transmit Data TxD Data Transmit Ready DTR m Signal Ground 00000 O o 0000 Ring Indicator RI Clear To Send CTS Request To Send RTS Data Set Ready DSR Ring Indicator RI Wiring Diagram For An RS 232 Host Device To One Display The only conn
7. the same as Mode 0 7 8 9 1 Mode impar input poeem Tore or or orr o wa N A pacing mema Time ON OFF OFF on orr 6 va noia Pacing Internal Time ON OFF OFF 8 input Hold efficiency Internal Time OFF ON 9 Input Inpot efficiency xXx internal Tine 6 87 805 Users Manual 1 4 Connecting Power To The Display Power connections are made to the three pin POWER terminal strip marked P1 Connect power to this terminal strip as shown below 3 Pin POWER Terminal Strip P1 120 VAC Powered Units 12 VDC Powered Units 120 VAC Hot 12 VDC DC Ground Earth Ground 120 VAC Neutral Earth Ground Proper grounding is an important aspect of power wiring both as a safety measure and for improved electrical noise immunity Always connect Earth Ground to the 87 805 display A The power requirements for all standard 87 805 display configurations are listed in Appendix A WARNING Terminal C Earth Ground must always be connected to a reliable low impedance earth ground This provides a safety ground to the enclosure as well as a return path for electrical noise 1 5 Wiring and Specifications Reset The reset input has an internal 10K pull up resistor to 5 volts Momentarily sinking this input to ground with a contact closure or open collector NPN transistor activates the reset function The display value will be reset to 0 if a reset input
8. 5 Power Requirements All power requirements in the following table are listed in VA Volt Amps Red Or Yellow Display Digit Type 2 3 4 6 8 Digit Digit Digit Digit Digit 4 Discrete Segment 15 4 Solid Segment 30 6 Discrete Segment 9 9 13 25 16 6 23 3 30 8 Discrete Segment 45 01 For Green Displays multiply the current value in the table by 1 25 For Tri Color Displays multiply the current value in the table by 2 5 Temperature Range Humidity Operating 32 to 122 degrees F 0 to 50 degrees C 5 to 95 non condensing 87 805 Users Manual 21 Appendix B Character Set Listing This table lists the full 87 805 character set in a standard ASCII format As a primarily numeric seven segment display many non numeric characters can be displayed in only a limited fashion The hex and decimal ASCII codes are shown for each character The upper and lower case alpha character sets are identical They are designed to be as readable as possible within the constraints of a seven segment display If a character is not listed it will be displayed as blank as will all characters 20h and below 20h 21h 22h 23h 24h 25h 26h 27h 32d 33d 34d 35d 36d 37d 38d 39d 28h 29h 2Ah 2Bh 2Ch 2Dh 2Eh 2Fh 40d 41d 42d 43d 44d 45d 46d 47d o 30h 31h 32h 33h 34h 35h 36h 37h 48d 49d 50d 51d 52d 53d 54d 55d 38h 39h 3Ah 3Bh 3Ch sDh 0 3Eh 3Fh 56d 57d 58d 59d 60d 61d 62d 63d A 40h LJ 41h 42h 43h 44h 45h 46h 4
9. 7h 64d 65d 66d 67d E 68d 69d 70d 71d 48h 49h 4Ah 4Bh 4Ch 4Dh 4Eh 4Fh 72d 73d 74d 75d 76d 77d 78d A 79d 50h 51h 52h 53h 54h 55h 56h 57h 80d 81d 82d f 83d 84d 85d 86d l 87d 58h 59h 5Ah 5Bh 5Ch 5Dh 5Eh 5Fh 88d 89d 90d 91d l 92d 93d 94d 95d ED 60h 61h 62h 63h 64h 65h 66h 67h 96d 97d 98d 99d E 100d 101d 102d 103d 68h 69h 6Ah 6Bh 6Ch 6Dh 6Eh 6Fh 104d 105d 106d 107d 108a f 109a f nof waf 70h 71h 72h 73h 74h 75h 76h 77h 112d 113d 1af 115d 116d 117d 1186 119d 78h 79h 7Ah 7Bh 7Ch 7Dh 7Eh 7Fh 120d 121d 122d 123d 124d 125d 126d 127d 22 87 805 Users Manual Appendix C Display Dimensions The 87 Series display was designed to be suspended from a pair of chains Make sure that the supporting chain can support the weight of the display Failure to follow this warning could result in damage to property or personal injury i _ bets i b e A B C D 4 Display 3 Digit 12 75 8 40 11 75 5 70 4 Display 4 Digit 16 30 8 40 15 30 5 70 4 Display 6 Digit 23 40 8 40 22 40 5 70 4 Display 8 Digit 30 50 8 40 29 50 5 70 4 Display 12 Digit 44 70 8 40 43 70 5 70 4 Display 16 Digit 58 90 8 40 57 90 5 70 4 Display 20 Digit 73 10 8 40 72 10 5 70 6 Display 2 Digit 12 90 10 40 11 90 7 70 6 Display 3 Digit 18 30 10 40 17 30 7 70 6 Display 4 Digit 23 70 10 40 22 701 7 70 6
10. 8 Checksum This is an optional part of the packet that can be used to provide an extra level of data validation If used the checksum immediately follows the Terminator character Command Acknowledgment Command acknowledgments are used to let the host device know if data received by the display can be acted upon i e the data is valid for the command transmitted and the command and data are appropriate for the particular display If checksums are being used command acknowledgments also provide a means of letting the host device know that the data was received with a proper checksum Output Transmission Output transmission data can be used to poll an auxiliary device for data or send the display value to aremote computer The format of the data to be transmitted and the transmit interval can be defined 20 87 805 Users Manual Appendix A Operating Specifications LED Life 100 000 hours typical Peak Wavelength Red 660nm Yellow 592nm Green 568nm Count Input characteristics High Level Low Level Input loading Leakage current accepted Low Speed High Speed Memory Serial Input Optional Relay Output Power Supply 3 5 to 30 VDC 0 to 1 5 VDC 1 5mA to 10mA 5V 30V 500 uA 50 Hz 10 millisecond on off time 4000 Hz 120 microsecond on off time 100 000 Read Write cycles 100 year retention RS 232 RS 485 Optional Single Pole Double Throw Rated 120VAC 1A 120 VAC 15 50 60 Hz 12 VDC
11. alue will hold on the current display value and the Internal pacing value will be suspended When Input 2 is released the display value will continue incrementing from its current value Note Input inputs will continue to be accumulated even when the hold input is active Mode 6 will set the display to operate as a pacing display where the display value is incremented by 1 after each Production Monitor Reload Value interval Input 2 operates as a hold input Input 1 is ignored Mode 7 sets the display to operate as a differential pacing display The display value will increment by 1 each time an Input 1 signal is received The display value will decrement by 1 after each Production Monitor Reload Value interval Input 2 operates as a hold input Mode 8 displays the efficiency of Input 1 inputs versus the pace value Pace value Time in seconds since reset Production Monitor Reload value Efficiency Input 1 count Pace value x 100 Input 2 operates as a hold input Mode 9 operates the same as Mode 2 but the display value is shown as XX X Mode 10 operates the same as Mode 5 but the display value is shown as XX X Mode 11 operates the same as Mode 8 but the display value is shown as XX X Mode 12 operates the same as Mode 2 but the display value is shown as XX XX Mode 13 operates the same as Mode 5 but the display value is shown as XX XX Mode 14 operates the same as Mode 8 but the display value is shown as XX XX Mode 15 operates
12. and have substantially superior EMI immunity characteristics Additionally one host RS 422 port can communicate with a minimum of 10 devices without repeating the signal RS 485 ports are basically an improved version of RS 422 and in most cases are completely compatible with RS 422 devices and vice versa In fact many newer products with built in RS 422 ports actually use driver circuits that meet the RS 485 specification 87 series displays fall into this class RS 485 offers better EMI immunity characteristics and improved drivers that have the ability to communicate with up to 32 devices without repeating the signal There is sometimes confusion regarding RS 485 because it has an additional ability to communicate in both directions over one pair of wires a feature not supported by RS 422 or by 87 series displays 20 mA current loop was commonly used for industrial applications in the past but is less common today To use a 20mA current loop serial port with an 87 805 display all that is required is an external 20 mA current loop to RS 422 converter Vorne can provide such a converter if your application requires it 1 7 RS 232 Communication To A Single Display This section provides the information necessary to successfully interface a host RS 232 port to one 87 805 display If you would like to interface a host RS 232 port to multiple 87 805 displays read this section as well as section 1 8 Selecting RS 232 Communication The RS 232
13. arernenenaen emana enn 18 Counter Mode 2415011 r Nr AKIA ia ita e 18 Input Active Level aussi met upitama ba Peed eee PELE ee ae bee ae obs tl 19 Debounce Times armastame ieee k eed tek bbe dae eda teehee a 19 Counter Reload Value x n nnnurarenannnnnnaranananen ened 19 Scale Factor cia antes Give Aba et ate cee sb MA A wee ee 19 Save on Power Down nnnurunurnnrenaaanenaernenanaananna 19 Count Below Zero ise aaa 19 Tigger Valla iii ads Mei de wend 19 Relay Setup 3 12 115 aaa na aeta ida 19 Baud Rate visiiti steed chal da ul eG ee alla ho See dea 19 Data BIS sikk A E Un dered nl ius mesi ee sgmisibikees a 20 Terminator laka mik lm aaa aaa la 20 UNIT AQUTESS 144 kitiinist kka iu At a awed toate Wedd 20 Member OT Group S stated pisted eine ase ba Pode Maakaart papa na Matata egret 20 GMECKSUM ices E tem aas ausa es 20 Command Acknowledgment 0 0 tipebi retr ence ene nen e ences PRET e ee nenes 20 Output Transmission vii sama A 20 Appendix A Operating Specifications eeunununenua s Appendix B Character Set Listing nnnuuunnannnnnnna Ee Appendix C Display Dimensions 00000eee eee e cece eee eee ES Notice of Disclaimer While the information in this manual has been carefully reviewed for accuracy Vorne Industries Inc assumes no liability for any errors or omissions in the information Vorne Indus
14. cribed in Section 2 2 Simple Packet Commands Data Any ASCII characters you wish to display refer to Appendix B for a full character set listing The control characters lt SOH gt lt CR gt and lt LF gt cannot be used in the Data part of the packet as they are reserved for marking the beginning and end of packets Terminator A special ASCII character which marks the end of the data and thus immediately follows it Note that the symbol lt CR gt represents the ASCII Carriage Return character OD hex 13 decimal and the symbol lt LF gt represents the ASCII Line Feed character OA hex 10 decimal In cases where the host device transmits a lt CR gt lt LF gt combination as the terminator select lt CR gt Checksum This is an optional part of the packet that can be used to provide an extra level of data validation If used the checksum immediately follows the Terminator character Please request the Advanced Applications Guide if you are interested in using a checksum 2 2 Simple Packet Commands The command portion of the packet can contain one and only one command string for the display Command strings can be used to Simulate inputs display data flash data on the display change display color on tri color displays or control the optional relay Each of these commands is fully described below To accomplish more than one command e g flash data on the display and turn the relay on you must send a separate packet for
15. ds Mode 0 will set the display to operate as a pacing display where the display value is incremented by 1 after each Production Monitor Reload Value interval Input 1 and Input 2 are ignored Mode 1 sets the display to operate as a differential pacing display The display value will increment by 1 each time a Input 1 signal is received The display value will decrement by 1 each time a Input 2 signal is received The display value will also automatically decrement by 1 after each Production Monitor Reload Value interval Mode 2 displays the efficiency of Input 1 inputs versus the pace value Total count Input 1 Input 2 Pace value Time in seconds since reset Production Monitor Reload value Efficiency Total count Pace value x 100 Mode 3 will set the display to operate as a pacing display where the display value is incremented by 1 after each input received at Input 2 The pacing value and Input 1 are ignored Mode 4 will set the display to operate as a pacing display where the display value will increment by 1 each time a Input 1 signal is received The display value will decrement by 1 each time a Input 2 signal is received The pacing value is ignored 87 805 Users Manual 5 Mode 5 displays the efficiency of Input 1 inputs versus Input 2 inputs The pacing value is ignored Efficiency Input 1 Input 2 x 100 In Modes 6 7 8 11 and 14 Input 2 operates as a hold input If Input 2 is held m its active state the display v
16. eannne 9 RS 232 Connectors xn enennenunenranananaaanrenann na e Aa 10 Wiring Diagram For An RS 232 Host Device To One Display 10 Guidelines For Wiring RS 232 Devices x xnrvnnen nen eens 11 1 8 RS 422 Or RS 485 Communication To One Or More Displays 11 Chapter 2 Using The Simple Packet Protocol ccceeeeeee neces le 2 1 Simple Packet Communication Format oooooccccccccnnnn 12 2 2 Simple Packet Commands n n nunnnunnnnnnnann nunnu nn nna 13 Simulate An Input x v rvnrennnr eee na ena nea eea nn rear naene annan 14 Display Dala ai omistama arm kanna se lidad 14 Flash Data ammu A Sta 14 Change Color For Tri color Display s rennnn aenea na naa anes 15 Activate Relay ogiri edict e Bea eee ay ere bees coed 15 2 3 Addressing Multiple Displays 0 cece eee eens 16 87 805 Users Manual UNTAR A A KA ee 16 2 4 Using Checksums And Command Acknowledgments 17 Chapter 3 Advanced Features Of the 87 Series Display te 3 1 VOPAOPUONS 0d at 18 Display Justification v erenennerereanenere reana naene 18 beading ZerOeS dd A tes doo dead see 18 Fixed Decimal Point After Digit 0 cece eee ete nett reana enne 18 Number of Display Digits rvrnnur
17. ections necessary for two way communication between a host device and an 87 805 display are the ones shown in the diagram below Please refer to the Guidelines For Wiring RS 232 Devices section below for important wiring recommendations For one way communication from the host to the display the transmit data TxD line from the display pin 1 does not need to be connected to the host device 10 87 805 Users Manual N Receive Data RxD Transmit Data TxD 4 Transmit Data TxD Receive Data RxD 3 Signal GROUND Isolated GROUND HOST DEVICE 87 SERIES DISPLAY Guidelines For Wiring RS 232 Devices For best results when wiring RS 232 devices please follow these guidelines 1 Use a 50 foot maximum cable length 2 Use a baud rate of 19 200 or less 3 Use a shielded cable with the shield connected to Earth Ground only at the 87 805 display Belden 9842 is a recommended cable 4 Carefully check your equipment and cable to ensure that Earth Ground is not connected at both ends of the cable If there is a significant difference in Earth Ground potential between the two ends of the cable it could cause data transmission errors or even damage to the RS 232 communication ports 5 Keep the cable length as short as possible and do not run the RS 232 cable parallel to any power cables 1 8 RS 422 Or RS 485 Communication To One Or More Displays To successfully interface a host RS 422 or RS 485 port
18. following is a list of 87 805 options that can be programmed using VDP4 Display Justification Available selections are Left or Right Justify Leading Zeroes Available selections are Do Not Blank or Blank leading zeroes Fixed Decimal Point After Digit Available selections are None 1 2 3 4 5 6 7 or 8 Number of Display Digits Available selections are 2 3 4 6 or 8 Counter Mode The function of Input 1 Input 2 and the reset input can be defined Available options include count up count down reset count rate quadrature X1 X2 and X4 18 87 805 Users Manual Input Active Level The input active level for each input can be set to active high or active low Debounce Time The debounce time of each input can be individually set The debounce time is used to filter out false inputs due to contact bounce from a relay or switch input Counter Reload Value Counter Reload value is the value that the unit will display when a reset input is received Scale Factor A scale factor can be defined for each count input The scale factor setting determines the amount that each input event will increment or decrement the display value Save on Power Down Saving the current display value in memory upon loss of power can be enabled or disabled Count Below Zero Counter modes defined with count down inputs can be defined to count below zero negative numbers or stop at zero Trigger Value Two trigger va
19. hing Data sent to the unit using this command will remain on the display until an input is received or power loss 1234 lt SOH gt s F1234 lt CR gt 888 8 lt SOH gt s F888 8 lt CR gt 14 87 805 Users Manual Change Color For Tri color Display s Some 87 series displays are available with a tri color display option With the tri color option each digit color can be individually set to red yellow or green The Color command string begins with the ASCII character C 43 hex 67 decimal Note that the C must be upper case The rest of the data consists of a string of upper case ASCII characters which represent the color each digit of the display should be set to starting with the most significant left most digit The available colors are Color ASCII Character Hex Decimal Representation Red R 52 hex 82 decimal Yellow Y 59 hex 89 decimal Green G 47 hex 71 decimal If the C command is sent with only one color character for example CR the entire display will be set to that color The Color command takes effect as soon as it is received All Yellow lt SOH gt s CY lt CR gt 2 Digits Red 2 Digits Green lt SOH gt s CRRGG lt CR gt Activate Relay An optional relay output board can be added to the 87 805 display for additional annunciation WARNING Use the relay for annunciator applications only Do not use it for control The Relay command string begins with the ASCII character R 52 hex 82 decimal N
20. ide a means of letting the host device know that the data was received with a proper checksum If you are interested in using checksums and or command acknowledgment to improve data transfer reliability please request the Advanced Applications Guide 87 805 Users Manual 17 Chapter 3 Advanced Features Of the 87 Series Display The 87 805 has been designed in such a way that it can be customized to meet a users specific reguirements The unit is shipped from the factory set to DIP switch settings The DIP switch settings allow the user to select the Unit type Input speed for input 1 and input 2 and the counter type The DIP switch settings have been selected so that a majority of users can setup the display with minimal effort Additional settings such as right justified data leading zeroes blanked no fixed decimal point and a factor of 1 are programmed at the factory and are not DIP switch selectable Applications that do not fit the DIP switch settings can be accommodated by using VDP4 to customize the operation of the 87 805 display VDP4 is a Windows based utility that is available from Vorne To bypass the DIP switch settings DIP switch 2 should be set to VDP4 off Setting the unit to VDP4 settings allows the unit to operate with the settings that are stored ina EEPROM on the displays logic board For additional information on topics discussed in this chapter request the Advanced Applications Guide 3 1 VDP4 Options The
21. is received The Reset input is TTL or CMOS compatible with a minimum high of 3 5 VDC and a maximum low of 1 5 VDC The reset line is active on the negative going edge Input 1 and Input 2 Input 1 and Input 2 have an internal 3 3K resistor to either 5 volts or signal ground depending on the selection of the SINK SOURCE jumper The SINK SOURCE jumper J2 is located to the lower left of the Input Terminal strip Both inputs will be affected by the setting of this jumper The factory default setting is SINK SINK SOURCE Active state of input Connect input to ground with a contact closure or open collector NPN transistor Connect input to VDC with a contact closure or open collector PNP transistor Normal state of input Pulled to 5 VDC thru a 3 3K resistor Pulled to Signal ground thru a 3 3K resistor 87 805 Users Manual Input characteristics High Level Low Level Input loading Leakage current accepted Low Speed High Speed Output Voltage 3 5 to 30 VDC 0 to 1 5 VDC 1 5mA to 10mA 5V 30V 500 uA 50 Hz 10 millisecond on off time 4000 Hz 120 microsecond on off Input 2 time Input 1 and Input 2 Circuitry a 33K npu i gt 3 3K J2 9 5VDC SINK SOURCE 1 Y gt 33K A regulated 12VDC output voltage rated at 100mA is provided for auxiliary use Wiring Input connections are made
22. lues are available When the display value crosses a trigger value a number of operations can be simultaneously triggered Available operations are two different flash rates Relay activation Stop counting Reset to reload value or change display color tri color displays only Relay Setup Relay Seguence A is user definable as either a Delay On Relay or Cycle Relay The Delay On Relay selection allows adjustment of the delay and duration time These settings are adjustable from 1 to 25 5 seconds The Cycle Relay selection allows specifying the ON time 1 to 25 5 seconds OFF time 1 to 25 5 seconds and number of cycles adjustable from 1 to 255 times Baud Rate Available selections are 300 600 1200 2400 4800 9600 19200 or 57600 87 805 Users Manual 19 Data Bits Available selections are 7 or 8 Terminator The Terminator selection specifies which character ends the transmission Available selections are lt CR gt or lt LF gt Unit Address Unit Address allows you to select an individual unit address Individual unit addresses can range from 0 to 255 allowing up to 256 displays to be individually addressed in a network Member of Group s Member of Group s allows you to select any combination of up to eight display groups that the display can belong to A packet addressed to a specific group or combination of groups will only be acted on by displays belonging to the group s Available selections are to
23. ote that the R must be upper case and must be followed by one character which determines what relay action will occur The available actions are Action ASCII Character Hex Decimal Representation Turn relay on 1 31 hex 49 decimal Turn relay off 0 30 hex 48 decimal Sequence A A 41 hex 65 decimal Sequence A is a user definable relay sequence e g cycle the relay 20 times with each cycle consisting of 1 0 second on and 2 0 seconds off which can be triggered with one command For more information about the user definable relay sequence please refer to Chapter 3 Advanced Features Of The 87 Series Display 87 805 Users Manual 15 Turn the relay on lt SOH gt s R1 lt CR gt Turn the relay off lt SOH gt s RO lt CR gt Trigger Sequence A lt SOH gt s RA lt CR gt 2 3 Addressing Multiple Displays Using an RS 422 or RS 485 network described in the Add On Module Users Manual together with addressing allows a host computer or PLC to communicate with specific individual displays or groups of displays in a network Each display in the network may be assigned a unit address and a group address If you do not need to address individual displays or groups of displays skip this section Unit Address Individual unit addresses can range from 0 to 255 allowing up to 256 displays to be individually addressed in a network The factory default unit address is 0 If a packet is directed to a specific unit address only units set to tha
24. roup address S Serial data for an individual address S Serial data for a group address If your application does not require addressing individual displays or groups of displays you should use the type s This will allow data that you send to be acted upon by every display that receives it as explained below Address Can range from 0 to 255 and is an optional part of the packet that specifies an actual unit or group address If no address is included in the packet the default address of 0 will be used Note that a transmitted group address of 0 is a broadcast to all units regardless of what the internal address of each display is set to Thus when no addressing is required you can skip the Address part of the packet and rely on the fact that a default address of 0 will automatically be substituted In this case the complete header before the data would be lt SOH gt s and the data will be acted on by all displays that receive it For more information about individual and group addressing see Section 2 3 Addressing Multiple Displays 12 87 805 Users Manual The ASCII Colon character 3A hex 58 decimal must be included in every transmission and is used to separate the header part of the packet from the data Command Can contain one command string for the display Command strings can be used to display data simulate an input flash data on the display or control the optional relay The available commands are fully des
25. t address will respond to the data More than one display may use the same unit address Remember ifthe data in the packet is meant for a specific unit address the serial data type S must follow the lt SOH gt character in the transmission packet as shown in the examples below The following examples assume that Unit Address is set to 10 checksums are not being used and that Terminator has been selected as lt CR gt Also note that an upper case S follows the lt SOH gt indicating that the serial data is intended for an individual display address and the D command character is being used to display data To Show Only On Displays With A Unit Address Of 10 1234 lt SOH gt S10 D1234 lt CR gt 888 8 lt SOH gt S10 D888 8 lt CR gt 16 87 805 Users Manual 2 4 Using Checksums And Command Acknowledgments Using checksums and command acknowledgments can improve the reliability of data transfer between the host device and the display They are optional features of the simple packet protocol either or both can be used Checksums allow the display to check if data has become corrupted during transmission from the host device to the display Command acknowledgments are used to let the host device know if data received by the display can be acted upon 1 e the data is valid for the command transmitted and the command and data are appropriate for the particular display If checksums are being used command acknowledgments also prov
26. to one or more 87 805 displays please refer to the Add On module Users Manual Note that the 87 805 display requires an optional communications board for opto isolated RS 485 communications 87 805 Users Manual 11 Chapter 2 Using The Simple Packet Protocol This chapter describes the communication protocol of Simple Packet This is for applications where you can control the data being transmitted to the display but where you would like to access advanced features These features include independently simulating inputs addressing multiple displays flashing the display or controlling an optional relay in the display The default communication settings of the 87 805 are 9600 Baud 8 data bits 1 stop bit no parity Unit address 0 Group address 0 and Carriage Return lt CR gt Line Terminator 2 1 Simple Packet Communication Format The format of Simple Packet communication is lt SOH gt Type Address Command Data Terminator Checksum lt SOH gt The symbol lt SOH gt represents the ASCII Start Of Header character 01 hex 1 decimal and must be the first character of every transmission Since the purpose of the lt SOH gt character is to mark the beginning of a new packet it cannot appear anywhere else within the transmission Type Can be one of two ASCII characters S or s and must be the second character of every transmission This character lets the display know if the serial data is meant for an individual address or a g
27. to the five pin INPUT terminal strip marked P2 Connect inputs to this terminal strip as shown below 5 Pin INPUT Terminal Strip P2 Pins 1to 5 Input Terminal Strip DODOD 1 2 RST INT IN2 12V OV 1 2 3 4 5 DODOD AAI Input Device 3 4 5 RST INT IN2 12V OV 1 2 3 4 5 QOOOO SINK Input pin II Reset RST Input 1 IN 1 Input 2 IN 2 12 VDC Signal GROUND OVDC RST INT IN2 12V OV 1 2 3 4 5 20000 SOURCE Input 87 805 Users Manual 1 6 Basic Information About Serial Communication Ports This section provides some basic background information regarding different types of serial communication ports Each 87 805 display contains an RS 232 port An RS 485 port which is also compatible with RS 422 communication is available via a plug in option board Note Only one of the two ports can be used at any given time to communicate with a host device RS 232 ports are the most common type of serial ports although they are more common in an office environment than an industrial environment This is because RS 232 can only be run for short distances under 50 feet and in environments where EMI electromagnetic interference is minimal Also one host RS 232 port is limited to directly communicating with one device RS 422 ports are very common in industrial environments They are well suited for distances up to 4000 feet
28. tries reserves the right to make changes without further notice to any products described in this manual 2 87 805 Users Manual Chapter 1 Setting Up Your Display For Operation This chapter describes how to set up the display hardware for operation including setting the dip switches connecting power wiring the counter inputs and wiring to the serial communication port There are many references in this chapter to the term input device The input device is whatever device will be providing a input signal to the 87 805 display Some typical input devices are foot switches relay contacts 3 wire proximity sensors PLC outputs and photoelectric eyes 1 1 Accessing Wiring Connections And Selection Switches AII external power and signal connections to the display are made to printed circuit board mounted terminal strips These terminal strips as well as a 10 position DIP switch can be accessed by removing the back panel user access plate WARNING SHOCK HAZARD Always completely disconnect power from the display before opening the user access plate Do not reapply power to the display until the access plate has been reinstalled and securely closed There are two 7 8 conduit openings on the back panel of the display provided for bringing external wiring into the display enclosure If these conduit openings will not be used for wiring these openings can be filled with plastic plugs Caplugs Part Number BP 7 8 which are provided
29. with the display The left most conduit opening is provided for power wiring the right most for signal wiring It is not recommended to run power wiring and signal wiring in the same conduit 1 2 Operation The 87 805 production monitor displays a pacing count or efficiency on a 2 to 8 digit display field Efficiency can be based on a internal or external timer The production monitor reload value is set to 1 at the factory The production monitor reload value can be modified in the field by using 87 Express a Windows based Setup Utility or via Mini T a handheld terminal available from Vorne The production monitor reload value determines the timing interval of the display An RS232 serial port is provided standard with each counter The serial port can be used for customizing the operation of the unit See chapter 3 for additional information on customization The serial port also allows remote user access to the following features Inputs can be simulated amp an optional relay output can be controlled with serial commands Data such as time can be sent to the display as a temporary message An optional RS 485 converter increases the communications distance up to 4000 feet 87 805 Users Manual 3 1 3 Setting The DIP Switches For Your Application DIP switch changes are only acknowledged at power up Factory defaults are shown in gray Run and Program Modes For normal operation the Run Program switch should be set to Run off
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