87003 87 Handheld Terminal User`s Manual
Contents
1. 87 003 Terminal Users Manual 1 7 RS 422 Or RS 485 Communication To One Or More 87 256 Displays This section provides the information necessary to successfully interface an 87 Terminals RS 422 port to one or more 87 256 displays Note that the 87 256 display requires an optional communication board for RS 422 or RS 485 communication The RS 422 RS 485 port is fully opto isolated and is available through the five pins of the communication port terminal strip marked P4 Selecting RS 422 RS 485 Communication A printed circuit board mounted COM PORT slide switch located beside the COM PORT terminal strip on the optional communication board is used to select between RS 232 and RS 422 RS 485 communication To enable the 87 series display to receive data via the RS 422 port set this switch to the RS 485 position Wiring Diagram For RS 422 Or RS 485 Communication From An 87 Terminal To One Display Below is a diagram which shows how to wire RS 422 or RS 485 from an 87 Terminal to one 87 256 display Please refer to section 1 8 Guidelines For Wiring RS 422 Devices for important wiring recommendations Take special note of the two terminating resistors shown in the diagram 87 SERIES DISPLAY P2 1 12V DC IN Reset 1 IN1 2 3 N2 3 4 12VDC 4 3 l C 5 Signal GROUND ovpc 5 f lt 6 RS422 In Isolated GROUND 1 7 RS422 In RS4222. This chapter describes how to use the 87 Terminal with an 87 Series Display 2 1 Establishing a connection between an 87 Terminal and an 87 Display Upon power up the 87 Terminal will attempt to establish a connection with an 87 Series display set to unit address 0 If no response is received from an 87 Series display the Terminal will display an error message and will prompt the user to enter a new address value Ifan 87 Series Display responds the 87 Terminal will prompt the user for the units password if applicable If no password is defined or the password is correctly entered the 87 Terminal will display the Unit ID and Unit address on the top line of the LCD display The text Display Value is will appear on the second line of the LCD display The third line of the LCD display will show the actual display value of the 87 Display set to the selected address The display value will be periodically updated on the 87 Terminals display Unit ID V Vorne Industries Miniterm Unit Address 87 Display Display Value is Function selected 0 Display or current value Pres to changes User prompt and entry line 2 2 Viewing User Setup Parameters Depending on the type of 87 series Display that the 87 Terminal is attached to certain User Setup parameters can be viewed and edited by the 87 Terminal An User Setup parameter can be viewed by pressing the appropriate numeric key To view a different User Setup parameter simply press the des
3. Vorne Industries 87 003 87 Handheld Terminal 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 000005 j del Operation in a ie 3 1 22 MARIA eren etten a a A nie nend 3 1 3 RS 232 Communication To A Single 87 232 87 708 87 712 or 87 719 Display 4 Selecting RS 232 Communication on an 87 232 Series Display 4 Wiring Diagram For RS 232 Communications from an 87 Terminal To One Display 4 1 4 RS 232 Communication To A Single 87 256 87 415 87 705 or 87 805 Display 4 Wiring Diagram For RS 232 Communication From An 87 Terminal To One Display 4 1 5 Guidelines For Wiring RS 232 Devices 2 ccc eee eee eee 5 1 6 RS 422 Or RS 485 Communication To One Or More 87 232 Displays 5 Selecting RS 422 RS 485 Communication eneen eenen eeen 5 Wiring Diagram For RS 422 Or RS 485 Communication From An 87 Terminal To One 5 DISPLAY iva A r ene eend eg nnen Wiring Diagram For RS 422 Or RS 485 Communication From An 87 Terminal To More 6 Than One 87 232 Display n ennen enen enen eneen en eeen 1 7 RS 422 Or RS 485 Communication To One Or More 87 256 Displays 7 Selecting RS 422 RS 485 Communication ooooccccccccccnccccccn nn _7 Wiring Diagram For RS 422 Or RS 485 Communication From An 87 Terminal To One 7 DISPLAY o dt een W
4. of the RS 422 or RS 485 network regardless of where the host device is In some cases host device RS 422 and RS 485 ports have built in or optional terminating resistors Take care to check that your network whether it has one display or 32 displays has only two sets of terminating resistors The 87 Terminal has built in terminator resistors Therefore it is only necessary to place a pair of terminating resistors at the farthest end of the RS 422 or RS 485 network 6 In applications with multiple displays bring the communication wiring point to point In other words do not run stubs from the backbone network wiring to each display If you find it absolutely necessary to run a stub from the backbone network wiring make sure it is under one foot in length 1 9 Addressing Multiple Displays Using a RS 422 or RS 485 network together with addressing allows an 87 Terminal to communicate with specific individual displays in a network Each display in the network may be assigned an unit address If you do not need to address individual displays simply leave the displays set to their default address of 0 and skip this section Unit Address Unit Address is a programmable selection in the 87 Series Displays that allows you to select an individual unit address Individual unit addresses can range from 0 to 253 allowing up to 256 displays to be individually addressed in a network If data is directed to a specific unit address only units set to th
5. 3 of P3 Wiring Diagram For RS 232 Communication From An 87 Terminal To One Display The only connections necessary for two way communication between an 87 Terminal and an 87 256 display are the ones shown in the diagram below Please refer to section 1 5 Guidelines For Wiring RS 232 Devices for important wiring recommendations 4 87 003 Terminal Users Manual P2 RESET 1 N1 2 IN2 3 1 12V DC IN 12VDC 4 J f l C 2 Receive Data RxD VDE 143 I 3 Transmit Data TxD Transmit Data TxD 4 4 Receive Data RxD 2 5 Signal GROUND Isolated GROUND 3 P3 87 Terminal 87 SERIES DISPLAY 1 5 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 Series 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 6 RS 42
6. 8 characters can be programmed into an 87 Series Display Note The password is stored in the 87 series Display not in the 87 Terminal Therefore if more than one unit is attached to the same serial network it is possible to have each unit set to a different password All 87 Series displays are shipped with no Password defined feature disabled Use VDP4 to change the Password Programming an 87 Series Display with a password automatically enables the password function Note If the 87 Series Display is set to DIP switch settings DIP switch 2 ON the password feature is disabled If the Password feature is enabled the 87 Terminal will prompt the operator to enter the Password before allowing editing or viewing of the User Setup parameters with the 87 Terminal Unit ID The Unit ID can be used to identify an 87 Series Display by assigning the unit a descriptive name such as Stacker Production etc An Unit ID of up to 11 characters can be programmed into an 87 Series Display Note The Unit ID is stored in the 87 Series Display not in the 87 Terminal VDP4 can be used to change the Unit ID The Unit ID is set to a Factory default of 87 Display 87 003 Terminal Users Manual 15 2 4 Error Messages UNIT NOT RESPONDING This error message is displayed if the 87 Terminal cannot establish a connection with the specified Unit Address At power up the 87 Terminal attempts several times to establish a connection with Unit Addre
7. Not Programmed Not Programmed Not Programmed Not Programmed 87 712 87 719 87 256 87 415 Simulate Input 1 Simulate Input 2 Relay ON Relay OFF 87 705 87 805 When the 87 Series Display acknowledges receiving a Function command the 87 Terminal will display Function accepted Press any key Pressing the Escape key will return the Terminals display to the Display value is screen Reset Display Pressing the Reset Display key will display the Reset Display message on the 87 Terminal The command can be canceled by pressing the Escape key To execute the command the Enter key must be pressed For 87 708 87 712 and 87 719 displays the command will have no effect For 87 256 and 87 705 Displays executing the Reset Display command will Reset the 87 series Display to the Initial Value setting For 87 232 87 415 and 87 805 Displays executing the Reset Display command will Reset the 87 Series Display to zero When the 87 Series Display acknowledges receiving the Reset command the 87 Terminal will display Function accepted Press any key Pressing the Escape key will return the Terminals display to the Display value is screen 14 87 003 Terminal Users Manual Log Out The Log Out key is used only with 87 Series displays that have the password function enabled The Log Out key can be used to discontinue communication with an 87 Series Display without having to physically disconnect the 87 Termina
8. RxD RS422 Receive Data RxD N OON OD oO RWIN e345 87 SERIES DISPLAY Wiring Diagram For RS 422 Or RS 485 Communication From An 87 Terminal To More Than One 87 232 Display Below is a diagram which shows how to wire RS 422 or RS 485 from an 87 Terminal to multiple 87 232 displays Please refer to section 1 8 Guidelines For Wiring RS 422 Devices for important wiring recommendations Take special note of the two terminating resistors shown in the diagram 87 Terminal ala WIN OON OD 12V DC IN Signal GROUND RS422 In U D 12V DC RS422 In RS422 Out RS422 Out S E OV DC RS232 Transmit Data TxD RS232 Receive Data RxD Isolated GROUND e3H45 RS422 Transmit Data TxD RS422 Transmit Data TxD RS422 Receive Data RxD oo Ss ol WIN RS422 Receive Data RxD Isolated GROUND RS 422 Transmit Data TxD RS 422 Transmit Data TxD RS 422 Receive Data RxD RS 422 Receive Data RxD o o NDA Isolated GROUND RS 422 Transmit Data TxD RS 422 Transmit Data TxD RS 422 Receive Data RxD RS 422 Receive Data RxD oo NDA 1ST 87 232 DISPLAY ae 2ND 87 232 DISPLAY e345 LAST 87 232 DISPLAY
9. 2 Or RS 485 Communication To One Or More 87 232 Displays This section provides the information necessary to successfully interface an 87 Terminals RS 422 port to one or more 87 232 displays The RS 422 RS 485 port of the 87 232 Display is fully opto isolated and is available through the five pins of the communication port terminal strip marked P2 Selecting RS 422 RS 485 Communication A printed circuit board mounted COM PORT slide switch located beside the COM PORT terminal strip is used to select between RS 232 and RS 422 RS 485 communication To enable the 87 series display to receive data via the RS 422 port set this switch to the RS 485 position Wiring Diagram For RS 422 Or RS 485 Communication From An 87 Terminal To One Display The diagram on the next page shows how to wire RS 422 or RS 485 from an 87 Terminal to one 87 232 display Please refer to section 1 8 Guidelines For Wiring RS 422 Devices for important wiring recommendations Take special note of the two terminating resistors shown in the diagram 87 003 Terminal Users Manual 5 0800 szog SESE BEER BEES AE aJ AJOIN UC 87 Terminal OON OD 12V DC IN Signal GROUND RS422 In RS422 In RS422 Out RS422 Out 12V DC OV DC RS232 Transmit Data TxD RS232 Receive Data RxD Isolated GROUND z RS422 Transmit Data TxD RS422 Transmit Data TxD RS422 Receive Data
10. 256 DISPLAY e 345 2ND 87 256 DISPLAY e343 LAST 87 256 DISPLAY 87 003 Terminal Users Manual 1 8 Guidelines For Wiring RS 422 Or RS 485 Devices For best results when wiring RS 422 or RS 485 devices please follow these guidelines 1 Use a 4 000 foot maximum total cable length 2 Use a maximum of 10 displays connected to one RS 422 host port or 32 displays connected to one RS 485 host port unless your host device specifies a higher number 3 Use a shielded cable with the shield connected to Earth Ground only at the 87 Series display Belden 9843 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 422 or RS 485 communication ports 5 Terminate the cables In all RS 422 and RS 485 installations the cable must be correctly terminated with two sets of resistors one set at each end of the network This applies even if you are only using one display connected to one host device The terminating resistors prevent reflection problems that can interfere with data transmission The resistance value of the terminating resistors should match the characteristic impedance of the cable A typical value is 120 ohms The terminating resistors must be placed at the two farthest ends
11. 87 Terminal Display Parameters and Function key features Display parameters consist of Display Value Preset One Preset Two Initial Value Input 1 Factor Input 2 Factor and Pacing Value Function key features consist of Jog Input One Jog Input Two Relay On Relay Off and Flash Data There are four Function keys which can be programmed to use these features 1 2 Wiring The 87 Terminal receives power and serial data thru a male DB 9 connector located at the bottom of the unit The 87 Terminal can be powered by the 87 Series Displays 12VDC output Caution Reversing the 12VDC and ground connections may damage the 87 Terminal 87 Terminal DB 9 Connector Pinout DB9 MALE 12V DC In RS232 In RxD RS232 Out TxD No Connection m Signal Ground 00000 O O 0000 __ RS422 Out RS422 Out RS422 In RS422 In 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 87 003 Terminal Users Manual 3 1 3 RS 232 Communication To A Single 87 232 87 708 87 712 or 87 719 Display This section provides the information necessary to successfully interface an 87 Terminals RS 232 port to one 87 232 display 87 232 87 708 87 712 and 87 719 Displays share the same wiring Selecting RS 232 Communication on an 87 232 Series D
12. ARES 15 Next Unit oi seren de tineke nete we De ee edere ad eren ede 15 Password vanme ES AAA a ee ved 15 UNID an tenere ner ra u ia 15 2 4 Error Messages nn a en 16 UNIT NOT RESPONDING nennen eenen vereende eneen enen 16 OUPOMRANGS aime nennen tata birder aneh keek 16 Function is Not Programmed nn enen eenen eneen enen eens 16 User Setup Parameter Not supported nonnen eenen eneen eenen 16 Communication errors eneen eneen eneen ennen eneen eeen 16 Appendix A Operating Specifications eenv eneen enen eenn Le Appendix B Terminal Dimensions oocccccccnnccc eneen te 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 Industries also reserves the right to make changes without further notice to any products described in this manual 2 87 003 Terminal Users Manual Chapter 1 Setting Up Your Display For Operation This chapter describes how to set up the terminal hardware for operation with an 87 Series Display including connecting power and wiring to the serial communication port 1 1 Operation The 87 003 Terminal is a handheld remote entry Terminal designed to interface with 87 Series displays The 87 Terminal can communicate with an 87 Display using either the RS232 or RS422 serial port Two types of features can be remotely accessed by the
13. Transmit Data TxD 2 8 RS422 Out WE RS422 Transmit Data TxD 3 87 Terminal 9 RS422 Out Mr E RS422 Receive Data RxD 4 RS422 Receive Data RxD 5 P4 87 003 Terminal Users Manual 7 Wiring Diagram For RS 422 Or RS 485 Communication From An 87 Terminal To More Than One 87 256 Display Below is a diagram which shows how to wire RS 422 or RS 485 from an 87 Terminal to multiple 87 256 displays Please refer to section 1 8 Guidelines For Wiring RS 422 Devices for important wiring recommendations Take special note of the two terminating resistors shown in the diagram 12V DC IN gt RESET IN 1 IN2 12VDC oa z2 o n Signal GROUND RS422 In RS422 In RS422 Out OJo NIO RS422 Out 87 Terminal T OV DC Isolated GROUND RS422 Transmit Data TxD RS422 Transmit Data TxD RS422 Receive Data RxD RS422 Receive Data RxD III Isolated GROUND RS 422 Transmit Data TxD RS 422 Transmit Data TxD RS 422 Receive Data RxD RS 422 Receive Data RxD Isolated GROUND RS 422 Transmit Data TxD RS 422 Transmit Data TxD RS 422 Receive Data RxD RS 422 Receive Data RxD AAN Al WIN P4 P4 AAW N P4 aj A N P2 e345 1ST 87
14. at address will respond to the data It is not recommended to set more than one display to the same unit address when communicating with the 87 Terminal 87 003 Terminal Users Manual 9 1 10 Relay Output WARNING Use the relay for annunciator applications only Do not use it for control Relay Connectors An optional SPDT Relay is available on all 87 Series Units The relay is a single pole double throw SPDT rated 120VAC 1A The relay can be controlled remotely by the 87 Terminal Pins 1 to 3 Relay Terminal Strip NC Normally Closed Relay Contact Relay Common Z Z Z NO Normally Open Relay Contact 2 4 3 Activate Relay An 87 series display can be programmed to activate the relay when a trigger point is reached The relay can also be activated serially by programming the function keys for the 87 Terminal to issue the Relay command Action Turn relay on Turn relay off Sequence A Relay Sequence A is user definable as either a Delay On Relay or Cycle Relay VDP4 is required to change this parameter 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 to perform adjustable from 1 to 255 times 10 87 003 Terminal Users Manual Chapter 2 Communicating With The 87 Terminal
15. color units only stop counting timing or reset the display value to the Initial Value setting The 87 Series Display can be programmed to perform any combination of the above functions when the preset is reached Note Preset Functions must be programmed using VDP4 If the 87 Series Display is set to DIP switch settings DIP switch 2 ON the preset feature is disabled Initial Value The Initial Value setting is the display value to be displayed at power up or after a reset input For 87 256 Displays the Initial Value is only used after a reset input is received The Initial value setting on an 87 415 refers to the Initial count setting not the initial rate setting The Initial rate value is always zero for the 87 415 Rate Display 12 87 003 Terminal Users Manual Input 1 Factor And Input 2 Factor The Input Factor specifies the value of each input The 87 Series Display will display the product of the input count and the Input Factor A separate Factor can be assigned to each input If the 87 Series Display is set to DIP switch settings DIP switch 2 ON only whole number factors can be entered Pacing Time Pacing Time is only used by the 87 805 Production Monitor The Pacing Time specifies the amount of time between increments or decrements of the display value The Pacing Time is entered in seconds 2 3 Changing User Setup Parameters Once the desired user setup parameter is displayed on the 87 Terminal the 87 Terminal wil
16. function key has not been defined in the 87 Series Display or DIP switch 2 on the 87 Series Display is turned on This error can be cleared by pressing any key User Setup Parameter Not supported If an User Setup parameter is chosen which is not supported by the type of 87 Series Display that the 87 Terminal is connected to the 87 Terminal will display the message Not supported Communication errors Severe EMI disturbances can cause communication errors The 87 Terminal will reattempt communication several times before displaying the UNIT NOT RESPONDING message Note 87 Series Displays programmed to transmit serial data can cause communication errors when the 87 Terminal is connected 16 87 003 Terminal Users Manual Appendix A Operating Specifications LCD Life 100 000 hours typical Serial Input RS 232 RS 485 Power Supply 12 VDC 5 50mA Temperature Range Operating 32 to 122 degrees F 0 to 50 degrees C Humidity 5 to 95 non condensing 87 003 Terminal Users Manual 17 Appendix B Terminal Dimensions 1 50 gt V Vorne Indu strie s87 Terminal 87 Counter Display Value 12345678 Reset Log Display Out ua Eat ua Ba isplay rese rese Value One Two 4 5 6 Initial Input 1 Input 2 Value Factor Factor 7 8 Pacing Time 18 87 003 Terminal Users Manual
17. ired key The table below shows the User Setup parameters that are available and which values each model supports X indicates supported If an unsupported User Setup parameter is chosen the 87 Terminal will display the message Not supported Key Function 87 232 87 256 87 415 87 705 87 708 87 712 87 719 87 805 1 Display Value X X X X X 2 Preset One X X X X X X 3 Preset Two X X X X X X 4 Initial Value X X X 5 Input 1 Factor X X 6 Input 2 Factor X X 8 Pacing Time X 87 003 Terminal Users Manual 11 Note To use Preset One or Preset Two the 87 Series Display must be programmed to accept Preset values Function Keys F2 FS f F4 Reset Display Log Out HB User Setup 1 2 Display Preset Preset Parameters N Value One Two 4 5 6 Initial Input 1 Input 2 Value Factor Factor 8 Pacing Time N Delete Display Value The Display Value parameter specifies the numeric value to display on the 87 Series Display For counters and timers this is the value that the unit will count or time from Preset One And Preset Two Preset One and Preset Two are the trigger values used by the 87 Series Display When Preset One or Preset Two has been reached the unit can be programmed to flash the display slow flash the display fast turn on the relay turn off the relay initiate a relay cycle change the color of the display bi
18. iring Diagram For RS 422 Or RS 485 Communication From An 87 Terminal To More 8 Than One 87 256 Display 2 2 iii ee be 1 8 Guidelines For Wiring RS 422 Or RS 485 Devices 0ooooooooooonnnnr 9 1 9 Addressing Multiple Displays ooooocccoccocnnnn nn nun nun nn 9 Umit AAOrESSE ras an ll ang tal a _9 1 10 Relay Outputs ocio a en Ae 10 Relay Gonnecl rser nsn ai rinnen 10 Activate Relay io RER he Ri ande Weda 10 Chapter 2 Communicating With The 87 Terminal eenen 2 1 Establishing a connection between an 87 Terminal and an 87 Display 11 2 2 Viewing User Setup Parameters oooooocccccccn nennen nennen 11 Display Valle usar set ee ee heed ddr 12 PresetiOne And Preset TWO uk reiner 12 Initial Value ti AA Hintern 12 Input 1 Factor And Input 2 Factor 1 0 0 0 ccc ccc cence een e enn e en eenes 13 Pacing BA ral 13 2 3 Changing User Setup Parameters ce eee venen ennen eee 13 87 003 Terminal Users Manual Numeric keys 1 thru9andO enen eenen eenen een nen eneen ene 13 ESCAPE Arn a dd ee tene 13 Delete Anne eher Han bene at nen Head were Bra 13 GOI N anni a Eee in hie is 13 MINUS SION 5 ra aaneen str reir adrede Jahre ts ended de Sie 13 SPACE OI vee 13 D cimal Point Zaan retentie de ede ete be deve Wee oe Beten ATD 14 Enter 20 rate Subd renten tein eee natin weren Renee ube alin 14 FUNCION KEYS AA dn ad endless 14 Reset Display msn ern Gedy mag A en PER 14 LOU a adri tar dei ALAN a
19. isplay A printed circuit board mounted COM PORT slide switch located beside the COM PORT terminal strip is used to select between RS 232 and RS 422 RS 485 communication Set this switch to the RS 232 position Wiring Diagram For RS 232 Communications from an 87 Terminal To One Display The only connections necessary for two way communication between an 87 Terminal and an 87 232 display are the ones shown in the diagram below Please refer to section 1 5 Guidelines For Wiring RS 232 Devices for important wiring recommendations 12V DC IN 12V DC Receive Data RxD ov DC RS232 Transmit Data TxD 1 2 3 RS232 Receive Data RxD 4 I l C 4 Isolated GROUND 5 q I 6 7 8 9 Transmit Data TxD a AJOIN Signal GROUND RS422 Transmit Data TxD RS422 Transmit Data TxD RS422 Receive Data RxD RS422 Receive Data RxD eeke EEDE 2885 8080 ELL 5085 87 Terminal 87 SERIES DISPLAY 1 4 RS 232 Communication To A Single 87 256 87 415 87 705 or 87 805 Display This section provides the information necessary to successfully interface an 87 Terminals RS 232 port to one 87 256 display 87 256 87 415 87 705 and 87 805 Displays share the same wiring Note Units with RS 422 Add on boards must have the COM PORT slide switch set to RS 232 and must have a jumper connected from pin 5 of P2 to pin
20. l prompt the user to press Enter to change the value When the enter key is pressed a data entry field will appear on the bottom line of the LCD display Pressing the Enter key again accepts the entry Numeric values that are out of range will not be accepted and the Terminal will display an Out Of Range error Numeric keys 1 thru 9 and 0 Pressing one of the numeric keys will place that number in the data entry field Escape Pressing the escape key will exit the data entry field with no change to the value The escape key can be pressed at any time to update the Display value on the 87 Terminals display Delete Pressing the delete key deletes the previous numeric key entry and moves the cursor one position to the left Colon The colon key is only available for entering values for 87 705 Elapsed Timer Displays and 87 708 Clock Displays For Elapsed Timers where a timer format with a colon is selected the colon is a required entry i e MM SS HH MM HH MM SS etc The colon is an optional entry for 87 708 Clock Displays To set the Clock to 12 34 56 either 123456 or 12 34 56 will be accepted Minus sign The minus sign can be placed at any character position on an 87 232 Serial display For all other displays a minus will only be accepted if it is entered before the number Space The space key can be placed at any character position on an 87 232 Serial display The space key can also be used to blank an 87 232 Series Display F
21. l from the 87 Series Display After the Log Out key has been pressed the 87 Terminal will display the message LOGGED OUT Enter Password Once the unit has been logged out the 87 Terminal can no longer edit or view values from the 87 series display This comes in handy if you want to make sure that values are not accidentally changed or where a password is used by a Supervisor so that only a supervisor can edit the user setup parameters A operator can Log In by entering the correct password Next Unit The Next Unit key is used to disconnect from the current 87 Series Display and or to establish a connection with another 87 Series display on the same serial RS 485 network 87 series Displays connected to an 87 Terminal via a four wire RS 485 network must be set to different addresses Having two or more displays set to the same address can cause communication errors When the Next Unit key is pressed the user will be prompted to enter the new unit address Once a new address is entered the 87 Terminal will attempt to connect to that Unit address If an 87 Series Display responds the 87 Terminal will prompt the user for the units password if applicable If no password is defined or the password is correctly entered the 87 Terminal will display the Unit ID and Unit address on the top line of the LCD display The Unit Address is set to a factory default setting of 0 VDP4 can be used to change the Unit Address Password A password of up to
22. or all other displays the space key is accepted as a leading zero before numeric entries 87 003 Terminal Users Manual 13 Decimal Point For an 87 232 Serial display a decimal point can be placed at any character position for the Display Value For all other displays the decimal point will only be supported if the 87 Series display has been set up to display a decimal point otherwise the value will be rounded to the nearest whole number Enter Pressing the enter key will accept the new value and store the new setting in the 87 Series Display There are two exceptions If an out of range value has been entered the 87 Terminal will display an error message indicating that the value is out of range Also if no value is entered the entry will be ignored Function keys Four function keys are available on the 87 Terminals keypad F1 F2 F3 and F4 These keys can be programmed to Simulate Input 1 Simulate Input 2 Turn an optional relay on or off or change the display color on bi color displays The operation of the function keys is programmed into the 87 series Display and not the 87 Terminal This allows wiring different 87 Terminals to the same 87 Series Display and always having the same functions available The operation of the Function keys is programmable with the help of VDP4 A Windows based Utility for programming 87 series Displays The Function keys are set at the factory to Model Number Fl F2 F3 F4 87 232 87 708
23. ss 0 If this message appears at power up and an unit set to address O is attached to the 87 Terminal Check the following 1 87 Series Display set to the correct COM setting RS 232 or RS 485 2 Check the wiring of the COM port between the 87 Terminal and the 87 Series Display 3 Is there more than one unit set to address 0 in the RS 485 network 4 Check for broken wires 5 Check that the OVDC terminal is connected to the ISO GND terminal If this message appears when attempting to establish a connection with an unit with an address other than 0 Check the following 1 Is an unit with the specified Unit Address connected to the 87 Terminal via the RS 485 network 87 Series Display set to the correct COM setting RS 485 for network Check the wiring of the COM port between the 87 Terminal and the 87 Series Display Is there more than one unit set to the same Unit Address in the RS 485 network Check for broken wires Nn BW N Check that a common ground is wired between 87 Series Displays at the ISO GND terminal Out of Range This error message informs the user that the value entered is illegal for that particular User Setup parameter Trying to set an eight digit number to a four digit display will produce this type of message To reenter the value press the enter key retype the value and press the enter key again Function is Not Programmed This error message will appear if a function key is pressed and the
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