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PMD 1400 Numerical Display User Manual

1. User supplied 24VDC power supply Transmitter TX na Figure 7 1 Analog Input Option Board 4 20 mA 0 1 v 64 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 7 Analog Input Option Board Diagram shows wiring scheme for 10 50 mA 75G87 analog input module User supplied 24VDC power supply TX Figure 7 2 Analog Input Option Board 10 50 mA 0 10 v Analog Input Module DIP Switches The DIP switch assignments for the current and analog input boards are as follows DIP switch 1 SWI 1 0 add 0 to span add 25 to span SW1 2 0 add 0 to span 1 add 50 to span SW1 3 0 add 0 to span 1 add 100 to span 79737 3 65 PMD 1400 Numerical Display User s Manual 7 66 Analog Input Option Board SW1 4 0 add 0 to span 1 add 200 to span SW1 5 0 add 0 top span 1 add 500 to span SW1 6 0 add 0 to span 1 add 1 000 to span SW1 7 0 add 0 to span 1 add 2 000 to span SW1 8 0 SW1 1 to SWI 7 specify span 1 to specify span internally DIP switch 2 SW2 1 0 add O to offset add 250 to offset SW2 2 0 add O to offset add 500 to offset SW2 3 0 add O to offset add 1 000 to offset SW2 4 0 add O to offset 1 add 2 000 to offset SW2 5 0 offset 1s positive 1 offset is negative UTICOR Technology LP SW2 6 0 SW2
2. Un S gt 2 M m 3 Z S x UTICOR Technology L P AVG Automation PMD 1400 Numerical Display AC ASCII Amps BCD Baud rate Bidirectional Binary Bit Buffer Byte Checksum Computer interface Control characters 88 User s Manual UTICOR Technology LP Glossary Abbreviation for alternating current Abbreviation for American Standard Code for Information Interchange it represents a code for defining alphanumeric characters Abbreviation for ampere a unit of electrical current or rate of flow of electrons one volt across one ohm of resistance causes a current flow of one ampere Abbreviation for Binary Coded Decimal a system of number representation where each digit of a decimal number is repre sented by a four digit binary number The speed at which serial data is transmitted and received rated at bits per second Describes a device that can transmit and receive data A numbering system in which each digit can take on values from 0 to 1 the base 2 numbering system Abbreviation for Binary digit the smallest unit of information in the binary numbering system represented by the digits 0 and 1 Electrical an isolating circuit used in an electronic device to avoid reaction of a driven circuit on the corresponding driver circuit Software a memory location that stores transmitted information for later use A single group of eig
3. 48 Section 5 Counter Option m 3 3 3 S N s gt Un S S E S 3 M Z e S a S RJ UTICOR Technology L P AVG Automation PMD 1400 Numerical Display User s Manual UTICOR Technology LP 5 50 Counter Option Counter Module The counter module has eight inputs D1 through D8 one output relay and eight DIP switches for configuration The counter module operates in two modes accumulative and rate Each mode offers a low speed 200 counts per second and a high speed 150 000 counts per second The rates are DIP switch selectable The rate counter monitors the count and extrapolates rate per second into rate per minute The inputs are on when there is power and off when there is no power Installing the Counter Module The installation of the counter option board is similar to the installation of the clock module First you will need to disassemble the PMD refer to Section 2 Getting Started for more detail on disassembling the unit Once the unit is open and you can see the PC board place the counter module so the mounting holes match up with the screw terminal posts refer to figure 5 1 After they are aligned ensure that the pins for the dual in line connectors J1 and J2 are matched then firmly press the counter module onto the main PC board UHHUHHUH jo
4. value to be added determining the offset Each switch set to one will cause its absolute value to be added to determine the offset The values for each switch is as follows Switch Offset Value 2 1 250 2 2 500 2 3 1 000 2 4 2 000 Switch 2 5 is used to determine the sign of the offset If switch 2 5 is in the one position the sign of the offset is negative If switch 2 5 is in the zero position the sign of the offset is positive For example if switches 2 1 2 2 2 4 and 2 5 are set to 1 and 2 3 and 2 6 are set to zero the offset will be 2 750 Internal Offset When switch 2 6 on an analog input option board is in the one position the offset is specified internally The internal offset is stored in the serial EEPROM on the PMD 1400 processor board The offset 1s entered into the serial EEPROM through the internal offset command The format of this command is as follows ATOsxxxxx lt ct gt s is the sign of the offset xxxxx is the offset in decimal ct is the PMD 1400 command terminator This command will always result in the specified offset being stored in the serial EEPROM If switch 2 6 is set for external offset the offset value will not be changed by this command If switch 2 6 is set for internal offset the new offset will be used for the next current or voltage reading If the sign is negative and the value is 0 the command will be ignored 73 PMD 1400 Numerical Display User s Manual UTICOR Technology LP
5. 7 74 Analog Input Option Board Read Span Command The format for this command is RS ct The display will return RSabcd ct The string abcd represents the current value of the span used by the display This could be the internal or external span depending on the position of SW1 8 If the counter or clock option is installed this command will return 9999 for the span This is an invalid value If there is no option board installed 9999 will also be returned Read Offset Command The format for this command is ARO lt ct gt The display will return AROabcdef lt ct gt The string abcdef represents the value of the offset currently being used by the display This could be either the internal or external offset depending on the position of SW2 6 If the counter or clock option 1s installed this command will return 999999 for the span if the unit is a six digit display and 009999 for a four digit display Both values are invalid for their respective display sizes If there is no option board the respective invalid value will also be returned IF a valid offset is negative a 6699 will appear in the a position Relay Alarm Switch 2 7 controls when the relay is activated Every time a new value is written to the display that reflects the current or voltage input the value will be compared to the preset value 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 7 79737 3 A
6. j ooooooon R5 o HRe o Figure 5 1 Counter Option Board Installation 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 5 Counter Option If the rate overflows the display size and causes an overflow error the relay will not turn on 79737 3 Rate Counter The rate counter can function in one of two modes rate per second or rate per minute Unpredictable results can occur if the counter counts down while in the rate mode The rate counter will turn on the relay when the rate count is equal to or greater than the preset value The relay will be de energized when the rate 1s less than the preset value If there is no preset value the display will assume a preset value of the maximum number that can be displayed 9999 or 999999 Rate Per Second The rate per second mode samples the counter every 1 10 second for one second and displays the rate per second The counts for the last 10 1 10 intervals are maintained to update the display every 1 10 second Rate Per Minute The rate per minute mode samples the counter every second and ex trapolates this into rate per minute based on the sam
7. while a 2 would refer to ver sion B After the version has been displayed the PMD s unit number is displayed as U xx The xx refers to the unit number as a figure between 0 and 63 The PMD 1400 then enters its operating display mode Option Modules If the unit has an option board installed it will update the display every one tenth second using information from the option board Also it constantly monitors the computer interface port Data from this port will be displayed immediately There is no differentiation between data from an option board or the computer interface so you must control the timing of the data going to the display Information from the computer interface overwrites data from the option board and data from the option board overwrites data from the computer interface When a unit is in the display mode it sends information to all con nected slaves The master PMD 1400 regularly sends the select all units command ensuring that any units connected to the network will be active The basic display configuration has a serial port for computer interface communications and a slave port The slave port is an RS 422 fixed at 9600 baud while the computer interface is an RS 422 232 and has switch selectable baud rates stop bits and parities 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP Slave Port The PMD 1400 is a basic display unit without an option board The sl
8. It writes the specified data sequentially to the port that was previously opened in the OPEN statement The PRINT statement is used to enter the ASCII commands and follows BASIC syntax Displaying a Number To display a number on your PMD 1400 type in the following commands OPEN COM1 9600 N 8 1 AS Open Com Port 1 PRINT 1 A000000 Selects PMD 1400 Unit 0 PRINT 1 ADI001993 Displays the number 001993 In this example the number 001993 will be displayed on the PMD Because all character places must be filled two leading zeros were added The DP command allows you to place a decimal in any of the positions The DP command al available on your PMD 1400 model lows you to place a decimal point in one or all of available positions DP1 will position the OPEN COM 9600 N 8 1 AS 1 decimalinthe right most PRINT 1 AA000001 position on your display PRINT 1 ADP1 Sets decimal point in position 1 The only new command here is on line three DP1 This positions the decimal point at the first or right most location You can specify a different position by replacing the one with a number corresponding to the number of display digits on your PMD unit 38 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit Set Bit Map On The Set Bit Map On display command is a powerful display tool butisa little more involved First of all code the OPEN sta
9. This is a similar command to the previous Set Display Brightness command The command line is BS and allows you to program the intensity level of additional slaves displays However only the unit addressed by the command is affected and the intensity level will be defaulted when the unit is restarted The levels of intensity range from zero to seven with seven being the highest OPEN COM1 9600 N 8 1 as 1 PRINT 1 A000000 PRINT 1 ABS05 The above example opens the com port selects the PMD and sets all slaves displays to an intensity level of five Set The Colon s The colon s are set using this command The user can select all one or both colons In the below example the command CO is used to select the colon in the right most place OPEN COM1 9600 N 8 1 as 1 PRINT 1 A000000 PRINT 1 ACO1 40 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit Send Variable Data This command sends variable data to the PMD display In order for this command to be recognized the data set number must match the data set indicated by the DIP switch settings If the numbers do not match the data will be ignored OPEN COM1 9600 N 8 1 as 1 PRINT 1 A000000 PRINT 1 4M155555 Preset Display This allows you to set the entire display including decimals and colons In addition the starting digit can be specified The new c
10. a e e S x S Ry UTICOR Technology L P AVG Automation PMD 1400 Numerical Display User s Manual UTICOR Technology LP 8 PMD 1400 Specifications Hardware Specifications Standard Unit Service Power 115 230 VAC Operating Temperature 0 to 60 C Storage Temperature 40 to 95 C Electrical NEMA ICS 2 230 Showering Arc Noise Tolerance ANSI C37 90a 1974 SWC Humidity 10 95 RH non condensing Dimensions 19 43 x 6 5 x 4 four digit 28 23 x 6 5 x 4 six digit Construction NEMA 12 Display Type Seven segment red LED Number of Digits Four digit model and six digit model Character Height Four inches Viewing Distance 200 feet Input Serial Port RS 232 RS 422A 1200 19 200 baud Power Consumption 6 digit 50 va 4 digit 45 va Real time Clock Parallel Port Input Source Mode 10 volts 2 7 mA 20 volts 5 7 mA 30 volts 8 7 mA Input Levels High 9 volts Low 3 volts Isolation 1500 VDC Timed Printer Port Active state voltage 9 VDC across inputs Active state current typically 3 mA at 12 VDC Off state voltage less than 3 VDC across inputs Off state current Typically 5 mA 80 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 8 PMD 1400 Specifications Hardware Specifications MASTER SLAVE CONFIGURATIONS MULTIP Master Clock Programmable Controller Computer Display or Counter Slave APPLICATION OPTIONS PARALL Clocks Hours Minutes amp Sec
11. command is executed as soon as the required number of characters is received A subset of the PMD pro tocol commands is also supported The identity set variable data and read variable data com mands are implemented SW4 6 1 Leading Spaces 0 Leading Zero This switch allows you to suppress leading zeros blanks Command Terminator SW4 7 1 Command Terminator lt cr gt 0 Command Terminator lt lf gt SW4 8 1 No Command Terminator 0 Command Terminator from SW4 7 Computer Interface Commands There is no practical method for selecting the computer interface protocol both are supported at the same time When computer interface is ASCII protocol all commands begin with a carat sign followed by one or two uppercase letters representing the command All commands are terminated by the command terminator specified by its corresponding DIP switch settings Two commands from UTICOR s PMD ASCII protocol are also sup ported 0 A and M which are Select Active Unit and Send Vari able Data respectively The command terminator is represented by using ct cr or If If the command terminator is not specified the command is executed as soon as the required number of characters are received by the PMD Any character not preceded by a command letter is ignored 21 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit ASCII Commands In this se
12. f is the least significant 1 e is the least significant digit 2 dis the least significant digit 3 c is the least significant digit 4 bis the least significant digit 5 a is the least significant digit a most significant digit b next most significant digit c next most significant digit d next most significant digit e next most significant digit f least significant digit 34 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit The Set Time function can be set in three different for mats 12 or 24 hour mode and 12 hour a m or p m 79737 3 AST Status ID The Status ID command is used to obtain the configuration of the display The command allows you to ascertain the number of digits that are on the display the option board if applicable and the soft ware revision level Command code ST Command format ST ct Command reply STrnptttu lt ct gt r ASCII letter for software revision code A B C etc n 4 or 6 number of display digits p P if timed printing option is installed 0 if not ttt option board number 0 255 u ASCII letter for option board software revision code The option boards are numbered as follows 0 no option board installed 2 counter option board 2 clock option board 3 analog voltage 4 analog current TI Set The Time Clock Option Required The Set Time command allows you to set the
13. to SW2 6 will specify offset Offset must be set internally SW2 7 0 Alarm relay activated when value is lt preset 1 Alarm relay activated when value is gt preset SW2 8 Not used DIP Switch 3 SW3 1 0 10 50mA 0 10 volts 1 4 20mA 0 1 volt SW3 2 0 4 20mA 0 1 volt 1 10 50m A 0 10 volts NOTE SW3 1 and 2 must not be set in the same position 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 7 Analog Input Option Board Analog Input Modules 79737 3 Current Analog Input option board Voltage Analog Input option board These option boards allow you to display values for analog signals onto digital display units Both boards display the number as a linear function of the input You specify the function through a span and offset Span The span is the difference in the displayed number over the input current or voltage range Offset This is the number added in the linear equation and can be either negative or positive The PMD 1400 can display numbers in the range of 99999 to 99999 or 999 to 999 depending on the PMD 1400 model type Each analog input option board has a relay that can be activated according to the input All switches are read when the unit is initially powered up Status ID Command For the Status ID command AST the option board number returned will be 003 for the current analog input option board For the voltage analog option boa
14. unit refer to Section 2 of this Manual Getting Started for more detail on disassembly Once the unit is open and you can see the PC board place the clock module so the mounting holes match up with the screw terminal posts refer to figure 4 1 After they are aligned ensure that the pins for the dual in line connectors J1 and J2 are matched then firmly press the clock module onto the main PC board Figure 4 1 Clock Option Board Installation 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 4 Clock Option Real Time Clock DIP Switches SW1 1 0z12 hour mode 1 24 hour mode when reset by parallel port only SW1 2 0 display hr min sec 1 display a m p m SW1 3 through SW1 8 are not used SW1 1 controls the mode of the clock when being set using the parallel port When the clock is set using parallel inputs the previous time is overridden If the parallel inputs are not used to set the clock the If D8 is on DI through D7 are defined as follows 79737 3 45 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 4 Clock Option There is no a m or p m indicator on the display How ever the a m p m indicator is printed when the t
15. 8 2 ss 84 CGO SSI dev Em 87 Index wi sie P 93 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 1 Introduction The PMD 1400 is UTICOR s latest innovation in the area of program mable message displays The PMD 1400 is a low cost numerical display that can be interfaced to your personal computer or program mable controller The unit that can be purchased with either four or six character places uses seven segment LEDs to display four inch high digits The PMD 1400 also comes with selectable decimal points and colons In addition if you need more display area this versatile PMD can be stacked up to eight units creating a multi line vertical display The PMD 1400 also features a computer interface port used to enter data onto the display Any of UTICOR s master display units having a slave port can display a data set value on the PMD 1400 The unit supports either UTICOR or ASCII protocol Standard equipment shipped with the PMD 1400 includes ceiling suspended mounting Wall mounting kits are also available PMD 1400 Features 79737 3 e Seven segment red LED display Four inch characters e Choose four or six character display e Selectable decimal point or colon placement e Up to eight units can be stacked for multi line displays e Serial parallel interface Available slave port to drive other PMD 1400s e Adjus
16. Clock Dip Switches iei stp etin Ee indiennes 45 Real Time Clock Inputs issus tete tese nho sadi Ee RR vasa a 46 Section 5 Counter ODUO oo bed vtt dn tun dpt d Ge Ge 40 Gotunter Module 4 5 hemina o ini aa RE NR IA Ak 50 Installing the Counter Module issie petet innen case ges ue ge ee be Pena Dee See 50 Rate Counter AO OD V OE ER EE EE 51 Rate Per Second e M zde eba 51 Rate Per Mimile nae E a on RD MERE REM 51 Aceurmulator i s an 51 Relay p 52 Counter Board Inputs iis jesse sesse Hey RR aieri Ve GESE rv 33 I PMD 1400 Numerical Display User s Manual UTICOR Technology LP Table of Contents Section 6 Printer Option Board ss 59 Printer Port Sub option BoOatd 5 ties se ses seg beds Ee ig et prda We estate SE ee Ge de cared 60 Section 7 Analog Input Option Board 63 Installing the Analog Input Module issie sesse enis eee idence 64 Analog Input Module DIP Switches ss 65 Analog Input Modules iste dope i ER ESE ee tutte evade Eg ie 67 Section 8 PMD 1400 Specifications 79 Hardware Specifications siste oid ses nn RE ete iet Vet coria tos nn Me tes na ae 80 Configurations figure SL soc GE nan attente Pede up des 81 Outside Dimensions for the PMD 1400 figure
17. PMD 1400 for operation It covers wiring cable hook up and general installation It also discusses the PMD on power up Wiring Your PMD 1400 To connect power to the 1400 you ll need to partially disassemble the unit The tools needed to do so include a phillips screwdriver a medium size slotted screwdriver and a pair of needlenose pliers Figure 2 1 shows the various components that need to be removed to connect the power and communication cables to the PMD There are six screws A located on the display s front that need to be removed Once they are removed you can remove the two angle brackets B holding the colored lense in place Carefully lift the lense C to remove and place it where it won t get damaged You are now looking at the display s LEDs At the top of the display above the LEDs are five more screws three if you have the four digit model that hold the LEDs and circuit boards in place Carefully remove them and the star washers The LEDs are attached to circuit boards that slide into grooves on the bottom of the display Once the screws holding the top in place are removed slide the circuit boards out and carefully turn them over If you have a four digit display the LEDs are attached to only one circuit board Once the boards are turned over locate the power terminal situated towards the left center of the unit It is designated TB3 and consists of three screw terminals Figure 2 1 79737 3 3 PMD
18. The display current range DCR is 16 mA for the 4 to 20 mA range and 40 mA for the 10 to 50 mA range 4 20 mA DCR 20 mA 4 mA 16 mA 10 50 mA DCR 50 mA 10 mA 40 mA The eguation for the span is as follows Span DR DCR CR To find the offset use one of the input currents and its desired display value Offset DV2 Span CI2 DCR Example To arrive at the offset and span values for the current analog option board 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 7 Analog Input Option Board A level sensing device puts out 30 mA when a storage tank contains 200 gallons and 50 mA when there are 1 000 gallons The 10 to 50 mA input would be used for the display current range because 30 to 50 mA is within this range The values are as follows CII 30 mA CD 50 mA DVI 200 DV2 1 000 DCR 50 mA 10 mA 40 mA Using the following equation DR 1 000 200 800 CR 50 mA 30 mA 20 mA Span 800 40 mA 20 mA 1 600 Offset 1 000 1 600 50 mA 40 mA 1 000 Another example would be When 20 mA is input a value of 999 should be displayed When 4 mA is input 0 should be displayed The values for the equations are CII 4 mA CI2 20 mA DV1 0 DV2 999 DCR 20 mA 4 mA 16 mA Using the equations gives DR 999 0 999 CR 20 mA 4mA 16mA Span 999 16 mA 16 mA 999 Offset 0 999 4 mA 16 mA 250 rounded
19. and corrosion resistance design tests UTICOR uses 316 grade stainless steel See NEMA standards 12 enclosures provide a degree of protection against dust falling dirt and dripping non corrosive liquids They meet drip dust and rust resistance design tests The ability of an electronic device to reject interfering noise signals Abbreviation for Programmable Message Display copyrighted by UTICOR Technology Inc 8 input port through which message numbers and data information from a controller or other device is entered into the unit when it is in the display mode A constant or element the value of which characterizes the behavior of one or more variables associated with a given system A method of testing the accuracy of binary numbers used in re corded transmitted or received data For even parity the sum 79737 3 PMD 1400 Numerical Display Parity bit Peripheral eguipment Printer port Protocol RAM memory ROM RS 232 RS 422 Real time clock Sink Slave port 79737 3 User s Manual UTICOR Technology LP Glossary of the ones is an even number for odd parity the sum of the ones is an odd number An additional bit added to a binary word to make the sum of the number of 1s always even or odd In a data processing system any unit of equipment distinct from the central processing unit that may provide the system with outside communication The place of access on a 1400 unit that
20. p print descriptor flag 1 print one word description of counter value internal or accumulated 2 description does not print ct command terminator When the counter print option c is set at zero the counter and accumula tive count are printed however the accumulative count is not reset In addition the print descriptor flag has no effect When the counter print option is set to one the time and date entry causes the value of the internal counter to be printed instead of the displayed accumulative count The print descriptor flag p causes the word INTERNAL to be printed after the count In addition once the internal count is printed it sets to zero When the counter print option is set at two the displayed accumulative count is printed And if the descriptor flag is still set at one ACCUMU LATED will be printed after the count Once the count has been printed both the internal and displayed counts are set to zero PD Program Time of Day Print Date Print and Counter Options required This command programs the print date for the time of day print entry There can be up to IOentries The time is specified using the PT command Command code PD Command format PDnnddmm lt ct gt nn the time and date entry number 01 10 dd day 1 31 mm month 1 12 The hours or minutes fields within the time or date can be wildcarded by substituting a If a field is wildcarded it will mat
21. the error by displaying an E followed by an error code The error codes are defined below Error Code 1 Prom check error 2 RAM test failed 3 Prom check error on option board 4 Serial E2 failed 5 Counter Board not installed or PCxx set for other than 00 Counter Board Errors If the value returned by the counter board exceeds the display s capac ity an overflow error indicated by uuuuuu or uuuu will be dis played 11 Section 3 PMD 1400 Standard Unit Pan 8 3 3 S A A S gt S 2 Le 3 a Z W Ta S RJ UTICOR Technology L P AVG Automation PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit Features Addressing The PMD 1400 fills the dis play right to left and al ways displays leading zeros if present The PMD 1400 standard unit features a seven segment red LED display with four inch high characters and adjustable brightness It comes in four or six character models and has selectable decimal and colon locations The PMD 1400 can be used separately or in conjuction with other units to make a multi line display Standard equipment includes a serial interface and a slave port to drive other PMD 1400 displays The PMD 1400 can be addressed individually or in a slave display network UTICOR addresses its message displays with a group and unit number The PMD 1400 will always be a m
22. the maximum allowed span of 4 000 we will use 1 600 for the span All the displayed values would be multiplied by 10 so DV1 200 and DV2 1 000 The decimal point between the two least significant digits on the display could be set on using the normal methods available to the PMD 1400 This shows the least significant digit on the display represents tenths of a psi Plugging values for DV2 and VI2 into the offset equa tion gives Offset 1 000 1 600 8 volts 10 volts 280 Another example of the voltage input module would be When 1 volt is input a value of 999 should be displayed When 0 volts is input a zero should be displayed The display range would be 0 to 1 volt VII 0 volts VL 1 volt DVI 0 DV2 999 DCR 1 volt 0 volt 1 volt Using the following eguations DR 999 0 999 CR 1 volt 0 volt 1 volt Span 999 1 volt 1 volt 999 Offset 0 999 0 volt 1 volt 0 Specifying Span The span for the current and voltage analog input boards may be specified in two ways internally or externally External Span When switch 1 8 on the analog input option board is in the 0 position the span is specified externally The external span is determined by switches 1 1 to 1 7 Each switch set to one will cause its value to be added to determine the span The values for each switch is as follows 71 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 7 72 Anal
23. time on the display The command is only valid on units that are equipped with a real time clock The time is programmed using the following format Command code TI Command format TIshhmmss lt ct gt s option byte 0 24 hour time 1 12 hour time a m 2 12 hour time p m hh hours 0 23 mm minutes 0 59 ss seconds 0 59 35 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit ATP Time of Day Print Control Timed printing and Clock Option required This allows the time of day print feature to be enabled on units equipped with the optional printer port Command code TP Command format TPx lt ct gt x 0 stop all time of day printing x 1 continue time of day printing 36 79737 3 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP PMD 1400 Standard Unit Programming Using ASCII Protocol through BASIC commands Toremedy a device time out error make sure the correct COM port is se lected and correct BASIC syntax is used The communications port used on your com puter is the one you specified in the OPEN statement In our examples lines with single quotation marks represent lines that are not read by the compiler but rather used as lines of text for reference throughout the program code We recommend using comments when cod ing your PMD 1400 BASIC commands 79737 3 Before you can start pr
24. 1400 Numerical Display User s Manual UTICOR Technology LP 8 e Ce we O ei To m Qu cu Figure 2 2 PMD 1400 Power Cable Wiring Layout Run the power cable through the pre punched hole in the top or bottom of the display before you connect the wire leads to the termi nal Once you determine the correct lead locations simply insert the wire and screw down We recommend that you tie down the wire to the unit to prevent damage resulting from the wire being pulled out Connect the L2 neutral lead to the center post labeled L2 on the screw terminal connect the L1 hot lead to the post labeled L1 and then connect the ground wire to the terminal marked GND see figure 2 2 above Once the power cable has been installed we recommend that you connect the communication cable while the unit is open To determine the correct wiring configuration for your application refer to figures 2 3 2 4 2 5 and 2 6 on the following pages 4 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP Reassembling the Unit To reassemble the PMD 1400 start by replacing the LEDs and circuit boards making sure they are aligned with the bottom edge slot on the PMD casing Carefully slide the boards into the slots and replace the screws previously taken out Return the colored lense to its proper location and position the angle brackets t
25. 50 Installing the Analog Input Module 64 Internal Offset 27 Internal Span 28 L leadlocations 7 LEDs 6 M Master PMD 1400 10 mounting kits 2 N network 12 93 PMD 1400 Numerical Display User s Manual OPEN statement 37 Option Modules 3 11 output relay 50 Outside Dimensions forthe PMD 1400 84 P parallel inputs 3 PMD 1400 Specifications 79 PMD 1400 Standard Unit 16 PMD casing 8 PMD masters 12 power cable 7 power terminal 7 Preset Digits 26 Preset Display 34 41 PRINT statement 37 print input 61 Print The Data 30 Printer option 16 Printer Port Sub option Board 60 Program Time of Day Print Time 30 Program Time of Day Print Date 29 Programming 17 programming environment 37 Programming using ASCII characters 23 Programming Using ASCII protocol through BASIC Commands 37 PROM test 11 Q Quick BASICO 37 RAM test 11 Rate Counter 51 rate counter 3 Rate Per Minute 51 Rate Per Second 51 Read Counter Preset Value 31 Read Display 31 Read Time and Date 33 Read Time of Day Print Entry 32 94 UTICOR Technology LP Index real time clock 3 Real Time Clock DIP Switches 45 Real Time Clock Inputs 46 Real Time Clock Module 44 Reassembling the Unit 8 Reassembly 8 Relay 52 reset counter function 53 RS 232 25 pin connector 9 RS 232 9 pin connector 8 RS 232 serial port 61 S Select Active Unit 23 Select All Units command 11 Send Variable Data 21 41 Serial Port Loop Ba
26. 79737 3 69 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 7 70 Analog Input Option Board Voltage span and offset equations The voltage analog input board s span and offset can be calculated from two voltage input values and the desired display values for those input values The two display values DV1 and DV2 are used to calcu late the display range DR DR DV2 DV1 The voltage range VR is determined from the two voltage input values VII and VD VR VL VI The only other information needed is the voltage range the display will use The display voltage range DVR is 1V for the 0 to 1 volt range and 10 volts for the O to 10 volt range 0 1 DVR 1V 0V 1V 0 10 DVR 10V OV 10V The equation for the span is as follows Span DR DVR VR To find the offset use one of the input voltages and its desired display value Offset DV2 Span VI2 DVR An example of a voltage span and offset would be A pressure sensing device outputs three volts when the pressure is 20 psi and outputs eight volts when the pressure reaches 100 psi The 0 to 10 volt input would be used for the display voltage range The given values are as follows VII 3 volts VI2 8 volts DVI 20 volts DV2 100 Span 80 10 volts 5 volts 160 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 7 79737 3 Analog Input Option Board Since the span multiplied by 10 is still less than
27. Binary 1 SW3 2 Binary 2 SW3 3 Binary 4 SW3 4 Binary 8 SW3 5 Binary 16 SW3 6 Binary 32 Switch Group 4 SW4 1 gt SW4 8 If the PMD 1400 is connected to the slave port of a PMD master PMD 200 300 400 etc then one of the four data sets can be displayed on the PMD 1400 Switches 4 1 and 4 2 determine the PMD data set send variable data command will be displayed Data Set SW4 1 SW4 2 0 1 0 1 POND Switches 4 3 and 4 4 are used to trigger hardware tests based on their respective settings Tests include a display test a serial port loop back test and a DIP switch test SW4 3 SW4 4 Used to determine test functions 0 0 No test 1 0 Display test 0 1 Serial port loop back test 1 1 DIP Switch test 19 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit Wiring Configuration forthe Serial Port Loop Back Test TBI EE RDI DIE RDI ip RD2 DAE rr RD2 20 Display Test The display test turns on all display segments and cycles through the eight intensity levels of the display It remains in the display test until the test mode DIP switches are changed Serial Port Loop Back Test The Serial Port loop back test checks the serial ports on the processor board The display 1s divided into two two digit numbers The number on the right indicates errors that occur during the slave port loop back test while the number on the left indicates errors that occu
28. D3 D2 Di Value of digit Off Off Off Off 0 Off Off Off On 1 Off Off On Off 2 Off Off On On 3 Off On Off Off 4 Off On Off On 5 Off On On Off 6 Off On On On 7 On Off Off Off 8 On Off Off On 9 On Off On Off On Off On On not defined On On Off Off not defined continued 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 7 Analog Input Option Board D4 D3 D2 D1 Value of digit On On Off On not defined On On On Off not defined On On On On not defined Allowed only on digit four of the four digit display or digit six of the six digit display When a combination for the value of a digit is not defined the current preset will appear on the display but will not be changed Read Preset Command The command referred to as the Read Counter Preset has been changed to Read Preset and will work for reading the preset of the analog input option boards The format of the command is RC The format of the reply is RCabcdef ct The most significant digit is in the a position while the least significant digit is in the f postion If the preset is negative for the analog input option boards the a position will be a If no option board or a clock option is installed 999999 will be re turned if the unit is a six digit display and 009999 wil be returned for a four digit display These are invalid values for the analog option board 66 Operation On power up the switches are read to determine the settin
29. IAL IMPACT PRINTER Figure 6 2 Figure 6 3 shows how an external power supply can be used to send displayed data to a serial printer If the printer module is used in conjuction with another option module it can derive the necessary voltage internally from that module to be able to print data SERIAL PRINTER 12 VDC POWER SUPPLY Figure 6 3 62 79737 3 Section 7 Analog Input Option Board Current 4 20 mA 10 50 mA Voltage 0 1 v 0 10 v M S 3 S S A ER A D gt 2 S a e S x S Ry UTICOR Technology L P AVG Automation PMD 1400 Numerical Display User s Manual UTICOR Technology LP 7 Analog Input Option Board Installing the Analog Input Module To install the analog input module you will need to disassemble the unit refer to Section 2 Getting Started for more detail on disas sembling the unit Once the unit is open and you can see the PC board place the module so the mounting holes match up with the screw terminal posts refer to figure 7 1 After they are aligned ensure that the pins for the dual in line connectors J1 and J2 are matched then firmly press the analog input module onto the main PC board Diagram shows wiring scheme for 4 20 mA 75G87 or 0 1 volt or 0 10 volts 75G92 analog input module Voltage or current values depend on which option board is installed
30. allows for communication between it and the specified printer A formal set of rules governing the communication between two devices the PMD 1400 supports UTICOR and ASCII protocol Abbreviation for Random Access Memory RAM is a type of memory that requires that power be applied in order to retain the data stored in it Abbreviation for Read Only Memory a ROM is a solid state storage memory whose contents cannot be altered by the controller IEEE standard for serial communication with a 50 ft distance limitation IEEE standard for serial communication with a 4000 ft distance limitation A clock that indicates the passage of time When using the Parallel Port with a sinking module the positive side of the electrical power supply is used for reference and the negative voltage level is equal to a logic one The place of access on a master unit for serial connection to a slave display 91 PMD 1400 Numerical Display Slo Blo fuse Source Stop bit Unit address Unit number VAC VDC Variable data 92 User s Manual UTICOR Technology LP Glossary A type of fuse that will withstand short current surges When using the Parallel Port this term refers to using the negative side of the voltage supply for reference and the positive side for logic one levels The last one or more bits sent in a synchronous data transmission to indicate the logical end of a series of bits A set of two numbers which uniquely
31. ave port will always send data to update the slave displays If a slave display has four digits and the master has six digits the four least significant digits will be displayed If the 1400 slave unit has six digits and the master display has four digits the two most significant digits of the slave display will be zeros Also multiple PMD masters can be controlled from one PC Data from the PMD masters will appear on the specific PMD 1400 displays linked to them see figure 2 7 UNIT 1 PMD 1400 MASTER UNIT 2 PMD 1400 MASTER Figure 2 7 Typical PC PMD 1400 Master Slave Network 79737 3 9 PMD 1400 Numerical Display User s Manual UTICOR Technology LP SUPPLY gem ad X EDU RS 232 422 SERIAL PORT COUNT DOWN PARALLEL PRESET TIMED PRINTING OPTION DATE TIME 1 02 02 93 100 00 2 02 02 93 3 02 02 93 B gt 4 02 02 93 STU S gt E m S a Figure 2 8 Typical Option Layout Figure 2 8 demonstrates a typical option layout In this example the PMD 1400 is eguipped with the optional counter and timed printer boards Additionally this format allows you to set the time and date the 1400 will send corresponding information to a designated printer 10 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 79737 3 Error Codes If the PMD 1400 encounters an error during its power up it will indi cate
32. ay b next most significant digit 0 on the four digit display c next most significant digit Most significant digit on four digit display d next most significant digit e next most significant digit f least significant digit RO Read Offset This command is for the analog input option boards and is used to obtain the current value of the offset currently being used by the display This could be either the internal or external offset depending upon the position of SW2 6 Ifthe counter or clock option board is installed this command will return 999999 for the span if itis a 6 digit display With a counter or clock option board installed span 009999 will be returned if it is a 4 digit display These 31 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit are both invalid values for their respective display size If no option board is installed the respectibe invalid value will also be returned If a valid offset is negative a 6699 will appear in the a position Command code RO Command format ROabcdef lt ct gt abcdef value of the offset currently being used by the display Read Time of Day Print Entry This command returns the value of a time of day print entry The format is as follows Command code RP Command format RPnnijhhmmddmtcp lt ct gt nn the time and date entry number 01 10 If i Othen the command is enabled thecommandis disabled j O
33. be greater than 4000 If the command specifies a span greater than 4000 it will be ignored Command code IS Command format ISxxxx ct xxxx the span in decimal ct the PMD 1400 command terminator selected M Send Variable Data This command is used to send variable data to PMD displays When received by the PMD 1400 the command s data set number 1 4 must match the data set indicated by the PMD s DIP switch settings If it does not match the data will be ignored Command code M Command format Msnnnnn s data set numbers 1 through 4 nnnnn data set value PC Print Counter Although this command is valid it only affects units equipped with the optional counter board and printer port sub option The counter mode must be set to accumulator W1 3 must be set to one The Print Counter command controls how the counter information is printed Command code PC Command format PCnncp lt ct gt nn time and date entry 01 10 c counter print option 0 internal counter does not print 1 internal counter prints and resets to zero 2 displayed number is printed the internal amdrinued 28 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit If printing occurs with out sending the PC command it will func tion as before The Print Counter com mand allows the inter nal counter value to be printed 79737 3 accumulated counts are reset
34. ch anytime If the hours field contains the time field will match every hour continued 29 3 30 PMD 1400 Numerical Display User s Manual UTICOR Technology LP PMD 1400 Standard Unit An asterisk placed in substitution for the hours or minutes will cause them to always match the current hour and minute PR Print Data Timed printing Option This command triggers the data currently on the display to be sent to the printer port This command is operable only with the optional timed printing module Command code PR Command format PR lt ct gt PT Program Time of Day Print Time Timed printing and Clock Option required This allows you to program the time of day print time in the PMD 1400 You can set up to 10 different print times The date is specified using the PD command In addition the time of day print format must match the format of the current clock setting For example if the clock is set in the 24 hour mode the command line should specify the print time in the 24 hour format Command code PT Command format PTnnmshhmm lt ct gt nn time and date entry 01 10 m 0 enables the print time m 1 disables print time s option byte 0 24 hour format 1 12 hour format 2 12 hour format p m hh hours 0 23 mm minutes 0 59 The hours or minutes fields within the time or date can be considered a wildcard by substituting an asterisk If a field is a wildcar
35. ck Test 19 Set Bit Map On 39 Set Bit Map On Display 23 Set Display Brightness 24 40 Set The Colon s 40 Set The Date 35 Set The Time 35 SIP 100 Serial Interface Printer 61 Slave Brightness Control 25 40 Slave Port 12 slave port 11 software version 11 Status ID 35 Status ID Command 35 T Time Of Day Print Control 36 timed printing board 61 timed printing module 3 tools 6 Turn Colon On Off 25 Turn Decimal On Off 27 U W unit number 11 19 UTICOR s PMD protocol 21 Wiring the PMD 1400 6 Wrap Up 41 79737 3
36. command is positive it will be displayed on a unit with the clock option installed The first character a may be for negative preset If the clock or counter option board is installed and this comand is for a negative preset the command will be ignored If the unit is a four digit display the command with a negative preset would cause def to be displayed 75 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 7 76 Analog Input Option Board Digits B and C would be ignored for displaying a negative preset However all digits would be used in determining the preset to set in the unit If a character in abcde is in the range of hexadecimal A F the value will be displayed but the preset will not be set If the preset in the command is negative and there is a hex digit in the range of A F in the b c d eor f postion the command will be ignored If no option board or a clock option is installed the preset will not be set If the preset in the command is beyond the range of the display the preset will not be changed Parallel Port The preset can be set through the parallel interface one digit at a time Input D8 must be on The rest of the inputs will be defined as follows D7 D6 D5 Digit Selected Off Off Off Ist digit rightmost Off Off On 2nd from right Off On Off 3rd Off On On 4th On Off Off 5th on 6 digit model On Off On 6th on 6 digit model On On Off not defined On On On not defined D4
37. ction we will begin by explaining the available ASCII commands followed by their format and a brief description ASCII Commands Select Active Unit Program Time of Day print entry day field Set The Display according to the Bit Map Print Data Set The Display Brightness Program Time of Day print entry time field Set Slave Units Display Brightness Read Counter Preset Value Set The Colon s Read The Display Set The Date Read Offset Display Control Read Time of Day print entry Display A Number Read Span Set The Decimal s Read Time and Date Internal Offset Set The Display Internal Span Status Identification Send Variable Data Set The Time Print Counter Control Time of Day printing 22 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit Programming Using ASCII Characters 79737 3 AA Select Active Unit The Select Active Unit command is used to select the PMD units receiving command codes All units are capable of accepting all commands however only active units selected by this command process the codes When a unit has been selected all other PMDs on the network disengage from the command codes All PMD 1400s are assigned group 0 The unit number for each PMD is selectable by using the DIP switches and has a unit range of zero to 63 When all units are selected none of the displays reply to any command A reply will only be issued when a single unit has been act
38. d None 0 On 1 Parity Type SW1 4 Odd 0 Even 1 Stop Bits SW1 5 1 0 2 1 denotes factory settings 60 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 6 79737 3 Printer Option Board Figure 6 1 The timed printing board must be connected to the printer through the RS 232 serial port to produce any output Figure 6 1 shows approxi mate component locations while figure 6 2 illustrates the wiring scheme for the timed printer s RS 232 serial port to UTICOR s SIP 100 Serial Interface Printer In addition to the RS 232 serial interface the timed printing sub option includes a print input A to start the printer port The print input enables the user to add a low voltage triggering device such as a switch to force print displayed information The print input port is optically isolated 1500 Vrms and can be connected as a source with a voltage range of 10 to 30 VDC User provided isolated power can be connected to support the print input 61 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 6 Printer Option Board In figure 6 2 the SIP 100 serial printer represents a typical application that can be used with the PMD 1400 sub optional timed printing port The SIP 100 is a low cost low maintenance printer that interfaces to any UTICOR PMD and is generally used as a table top or panel mounted printer TBI WIRING DIAGRAM RS 232 25 PIN CONNECTOR FOR UTICOR SIP 100 SER
39. d it will always match the time If the hours field contains two asterisks the time will always match the current hour RC Read Counter Preset Value This command allows the counter preset value on units equipped with a counter to be read by the computer interface If the unit does not have a 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit When RD command is preceeded by BM com mand the RD wil always This is because the Set Bit Map on Display command could cause a pattern of activated segments in a character position that doesn t make a printable character 79737 3 counter it returns the value 9999 or 999999 Command code RC Command format RC lt ct gt Command reply RCabcdef ct In descending order a most significant digit bz next significant digit c next significant digit d next significant digit e next significant digit f least significant digit 0 on four digit display 0 on four digit display RD Read Display This command allows you to read the digits on the display using the com puter interface When an active unit receives the command it returns the data being displayed All displays return six digits A four digit display returns four digits and truncates the two significant digits Command code RD Command format RD ct Common reply RDabcdef lt ct gt a most significant digit 0 on the four digit displ
40. display characters The brightness parameter ranges from 0 to seven seven is the brightest setting Command code BR Command format BRa lt ct gt a 0 through 7 0 dimmest and 7 brightest setting DP Turn Decimal On Off This command is used to specify the location of the decimal on the display 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit The decimal and co lon functions must be turned on and off us ing the DP and CO commands respec tively 79737 3 ABS Slave Brightness Control This allows you to set the brightness on slave units through the com puter interface Only the unit addressed by the command will be changed The brightness level set by this command will be defaulted when the unit is restarted Command code BS Command format BSxxy lt ct gt xx 0 63 0 all units y 0 7 0 dimmest level 7 brightest level ACO Turn Colon On Off This command is used to place colons on the display The colon must be set on or off using this command The command overrides the colon placement specified by its corresponding DIP switch Command code CO Command format COa lt ct gt a 0 2 0 colons are turned off 1 turn right most colon on 2 turn second colon on six digit model only ADA Set The Date Clock option required This command is used to set the date in the real time clock The date must be sent in the format sh
41. e base to increment or decrement from The digits in the command will be displayed If the command is sent to a four digit display the last four least significant cdef will be displayed The other digits are ignored The command supports hexadecimal characters A through F but will not send the hex number to an option board as a preset value If the hex number is not present it will be displayed and a decimal value will be used to set the option board Command code DI Command format DIabcdef ct six digit display a most significant digit b next most significant digit c next most significant digit MSD on a four digit display d next most significant digit e next most significant digit f least significant digit 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit Once a decimal is inserted it does not change when new data is sent to the display The command overrides the decimal placement specified by the DIP switch settings Command code DP Command format DPa lt ct gt a 0 through 6 0 turn all decimal points off THe dscimal and c6 1 turn the first place decimal on far right lon functions must be 2 turn the second decimal place on ee poda Ey us 3 turn the third decimal place on cs ja and Bm ia 2 4 turn the fourth decimal place on tively 5 turn the fifth decimal place on six digit model only 6 turn the sixth decimal plac
42. e on six digit model only MO Internal Offset This command will always result in the specified offset being stored in the serial EEPROM When switch 2 6 on an analog input option board is in the 1 position the offset is specified internally The internal offset is stored in the serial EEPROM on the PMD1400 s processor board The offset is entered into the serial EEPROM through the internal offset command If switch 2 6 is set for external offset the offset value used will not be changed by this command If switch 2 6 is set for internal offset the new offset value will be used for the next current or voltage reading If the sign is negative and the value is 0 the command will be ignored Command code IO Command format IOsxxxxx lt ct gt s the sign of the offset xxxxx the offset in decimal ct the PMD 1400 command terminator selected S Internal Span The command will always result in the specified span being stored in the serial EEPROM When switch 1 8 on an analog input option board is in the 79737 3 27 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit 1 position the span is specified internally The internal span is stored in the serial EEPROM on the PMD 1400 s processor board The span is entered into the serial EEPROM through the internal span command If switch 1 8 is set for external span the span value used will not be changed by this com mand The span cannot
43. ember of group zero and have a unit number between 0 and 63 One advantage to this system is the ability to send each unit different information pertaining to its particular station while residing on the same network Characteristics For optimum printing per formance the timed print ing option should be in stalled with the clock or counter option modules The PMD 1400 numerical display displays leading zeros when present In addition if the value of the number exceeds the display size it will truncate the most significant digit left most Other than the number of digits the two PMD models four or six charac ters operate in the same manner However UTICOR has four available options that can be installed in either model Currently UTICOR offers a clock option board counter option board a timed printing option and an analog input option board The options will be discussed in further detail later in the manual There are more option mod ules scheduled for availability at a future date 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit Programming The 0 and 1 DIP switch positions listed corre spondto switch positions on the PC board DIP switch setting 1 is inthe up position DIP switch setting 0 is in the down position 79737 3 Programming the PMD 1400 initially begins by correctly setting the DIP switches DIP Switches There are 24 DIP switches contai
44. evo ALALTOTE H Automation UTICOR PMD 1400 Numerical Display User Manual Sales and Marketing v 343 St Paul Blvd Carol Stream IL 60188 Tel 630 668 3900 FAX 630 668 4676 Factory Customer Service Order Entry v 4140 Utica Ridge Rd Bettendorf IA 52722 Tel 319 359 7501 800 711 5109 FAX 319 359 9094 Application Hotline 1 800 TEC ENGR 832 3647 Vist our web site at www avg net 79737 3 2nd Printing 03 2000 PMD 1400 NUMERICAL DISPLAY USER S MANUAL WARNING In the application of UTICOR Technology LP programmable control devices you should consider them components Therefore provisions other than the programmable control device must be taken to protect personnel in the event of a programmable control device malfunction Programmable control devices should not be used as stand alone protection in any application Unless proper safeguards are used unwanted start ups could result in equipment damage or personal injury If programmable controllers are used with operator interface and like devices this hazard should be of primary importance The operator should be made aware of this hazard and appropriate precautions should be taken In addition consideration should be given to the use of an emergency stop function that is independent of the programmable controller The diagrams and examples in this user s manual are included for illustrative purposes only UTICOR Technology LP cannot ass
45. gs used for the PMD 1400 with the current or voltage analog input option The computer interface 1s checked continuously for commands Checking for any installed option boards The option board gets checked every tenth of a second When the option board is checked the parallel port takes first priority If D8 of the parallel port is off the rest of the inputs are defined as follows D1 not used D2 not used D3 not used D4 not used D5 is On Display value from analog to digital converter D6 is On Display preset value D7 is On Display test turns on all display segments 79737 3 77 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 7 Analog Input Option Board When more than one input among D5 D6 and D7 are active input D7 has highest priority then D6 and DS If there is no active parallel input the display will show the value determined from the input and the user supplied span and offset The relay will be activated or deactivated according to the value displayed from the input The state of the relay will not be changed while the display test current preset value or A D value is being displayed Figure 7 2 illustrates the wiring scheme for externally adding inputs to the analog input module INPUTS D1 THROUGH D8 Figure 7 2 Analog Input Module Parallel Inputs Wiring Schematic 78 79737 3 Section 8 PMD 1400 Specifications m S 3 m S S N n A 3 gt 2 S i
46. he error will not be displayed due to the display of the test pattern The reset counter function performs a hardware reset on the counter and sets the display to zero If the high speed accumulator counter is reset without inhibiting the count at the same time it s possible a preset value less than 15 000 may be missed and the relay will not energize If D8 is On then DI through D7 are defined as follows D7 D6 D5 Digit Selected Off Off Off Ist digit rightmost Off Off On 2nd second from right Off On Off 3rd Off On On Ath On Off Off 5th on six digit display On Off On 6th on six digit display On On Off Not defined On On On Not defined 53 PMD 1400 Numerical Display User s Manual 5 54 Counter Option D4 D3 D2 DI Value of Digit Off Off Off Off 0 Off Off Off On 1 Off Off On Off 2 Off Off On On B Off On Off Off 4 Off On Off On 5 Off On On Off 6 Off On On On 7 On Off Off Off 8 On Off Off On 9 On Off On Off not defined On Off On On not defined On On Off Off not defined On On Off On not defined On On On Off notdefined On On On On not defined UTICOR Technology LP 79737 3 PMD 1400 Numerical Display User s Manual 5 79737 3 Counter Option Counter Board Inputs This table illustrates when the counter registers an up or down If SW1 1 is in the up position the clocks are set individually fo Fe RE RENT A D s I gt IG If SW1 1 is in the lower position the unit uses a single cloc
47. ht bits processed together in parallel A calculation of all data bits being transmitted is used by the receiving device for checking data integrity An electrical communication gateway between a computer and a peripheral ASCII code sequences used to make the display perform special tasks 79737 3 PMD 1400 Numerical Display Controller terminals Daisy chain DC Decrement Default DIP switch EEPROM EPROM Group Number Handshaking Hexadecimal HEX Increment Input devices 79737 3 User s Manual UTICOR Technology LP Glossary These wiring terminals interface to the programmable logic controller PLC or other device that operates the unit terminals used by the controller are the Parallel Port the Message Control Terminals and VDC In Out terminals A serial wiring method where the communication cable enters one unit and exits to the next unit Abbreviation for Direct Current A gradual decrease in quantity The initial state of attributes A mechanical switch housed in a dual in line pack used for selecting unit attributes Abbreviation for Electronically Erasable Programmable Read Only Memory this type of read only memory can be altered with commands of the programming terminal and does not lose its contents when power is turned off Abbreviation for Electronically Programmable Read Only Memory a read only memory where stored data can be erased by ultraviolet light or other means and repr
48. identify a unit in a communication network A twelve bit binary number used to identify a member of a group Abbreviation for Voltage Altering Current Abbreviation for Voltage Direct Current Real time numerical quantities displayed in stored messages 79737 3 PMD 1400 Numerical Display accumulative counter 3 Accumulator 51 Addressing 3 16 Analog Input Modules 3 67 Analog Input Option Board 16 angle brackets 6 ASCII Commands 22 ASCII protocol 21 37 C Caution inside cover page Characteristics 16 circuit boards 6 Clock Module 44 clock module 3 Clock option board 16 colored lense 6 Command Terminator 21 communication cable 7 Computer Interface Commands 21 Configurations 81 Counter Board Errors 14 Counter Board Inputs 53 55 Counter Board Output Relay 52 Counter Module 50 counter module 3 Counter option board 16 CPU board 17 Current Analog Input Option Board 3 D DEVICE TIME OUT error 37 diagnostics 11 DIP Switch Settings For Printer Port 60 DIP Switch Test 20 DIP Switches 17 disassembly 6 Display Control 26 display segments 11 display size 16 Display Test 11 20 Displaying a Number 38 79737 3 User s Manual UTICOR Technology LP Index E Error Codes 14 F Features 16 force print 61 G general installation 6 Getting Started 5 H hardcopy 3 Hardware Specifications 79 high speed accumulator 51 I Installing the Clock Module 44 Installing the Counter Module
49. ime is printed 46 switch has no effect Real Time Clock Inputs If D8 is Off then D1 through D7 are defined as follows D1 Increments seconds at one per second changing to five per second if DI is on for more than five seconds D2 Increments minutes at one per second changing to five per second if D2 is on for more than five seconds D3 Increments hours at one per second while D3 is on D4 This must be on to allow the time to be set using D1 through D3 D5 Resets clock If the clock is in the 24 hour format it will be reset to 00 00 00 If the clock is in the 12 hour format it is set to 12 00 00 a m D6 Places clock on hold D7 If this is on the display test is run and all segments are switched on In addition D1 through D4 are deactivated When the clock reset input is active the time cannot be set using inputs D1 through D4 The clock reset always takes place when acti vated however the reset time will not be displayed when input D7 display test is active The clock hold stops the clock when activated and releases the clock when deactivated The clock can be set from inputs D1 through D4 when the clock is running or stopped 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 4 Clock Option Clock Inputs Wiring Schematic Figure 4 2 illustrates the wiring scheme for externally adding inputs to the clock module INPUT Di THROUL Figure 4 2 Clock Inputs Wiring Scheme 79737 3 47
50. ipped with the optional clock board it will return zeros in each field Command code RT Command format RT lt ct gt Command reply RTahhmmssddmtyy a option byte 0 24 hour time 12 hour time a m 2 12 hour time p m hh hours 0 23 mm minutes 0 59 ss seconds 0 59 dd day 1 31 mt month 1 12 yy year 0 99 33 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit ASD Preset Display This command allows you to set the entire display including decimal points and colons In addition the starting digit can be specified Command code SD Command format SDwxyzabcdef lt ct gt WX bit map of decimal points to tum on This is an ASCII representation of the hexadecimal number of the bit map of the decimal points to activate wx 00 turn all decimal points off wx FF turn all decimal points on WX 01 turn on right most decimal point wx 02 turn on second place decimal point wx 03 turn on first and second place decimal points y bit map of colons to turn on This is an ASCII representa tion of the hexadecimal number used as a bit map of the colons to turn on y 0 turns all colons off y turns on right colon y 2 turns on left colons y 3 turns on all colons Z starting digit to display This indicates which of the digits a through f should be displayed as the least significant digit 0 use normal display rules
51. ivated Command code A Command format Agguuuu gg 00 uuuu 0000 0063 ABM Set Bit Map On Display There are three basic rules for selecting units 1 Group X and Unit X select only the unit with a matching group and unit 2 Group X and Unit 0 select all units in a group Group 0 and Unit 0 selects all units This powerful command allows you to activate any combination of display segments The command contains a hexadecimal representation of the bits that correspond to the LED segments in the display Each seven segment LED is defined as shown below On a four digit display only the data for the last four digits is used efghijkl Command code BM Command format BMabcdefghijkl lt ct gt continued 23 3 24 PMD 1400 Numerical Display User s Manual UTICOR Technology LP PMD 1400 Standard Unit d 10 ab most significant digit on six digit displays cd next most significant digit ef next most significant digit MSD on four digit display gh next most significant digit ij next most significant digit kl least significant digit An example of this would be A HEX 60 binary 01100000 will display a 1 by turning on segments e and f To display all 1s on a six digit display enter the command ABM606060606060 lt ct gt The HEX number BMFFFFFFFFFFFF turns on all segments of the display BR Set Display Brightness This command is used to set the brightness of the
52. k me 4 nat 4 LEGEND 0 INPUT IS Low 7 1 INPUT IS HIGH 1 Up position 1 50 HIGH TO Low 0 Down position 0 gt 1 LOW TO HIGH X STATE OF THE INPUT IS SW1 8 determines counter input polarity IRRELEVANT DIP Switch positions are as noted UTICOR Technology LP 55 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 5 Counter Option COUNT UP COUNTER MODULE Figure 5 2 illustrates how counts are registered using the internal 12 volt power source In the top diagram COUNT DOWN the inputs UP CLK and DN U D are used to designate a count up down attitude While the bottom diagram uses the UP CLK input to determine whether the DN U D input will increment or decrement COUNTER MODULE UP DOWN Figure 5 2 COUNT UP COUNTER MODULE Figure 5 3 shows the Counter Module with an external Ut power source The operable range is between 10 and COUNT DOWN 30 VDC Input operation is the same as with the w internal power source USER POWER SUPPLY 10 30 VDC The UP CLK and DN U D inputs are de faulted to sink while COUNTER MODULE inputs D1 through D8 are set to source UP DOWN USER POWER SUPPLY 10 80 VDC Figure 5 3 56 79737 3 PMD 1400 Numerical Display 5 Counter Option COUNTER MODULE D1 THROUGH D8 UP DOWN USER POWER SUPPLY 10 30 VDC hn Figure 5 4 COUNTER MODULE D1 THROUGH D8 UP DOWN Figure 5 5 79737 3 User
53. n and Position 58 79737 3 Section 6 Printer Option Board m S S X S S N sn W S gt E m S is Ra Z e e U me S A UTICOR Technology L P AVG Automation PMD 1400 Numerical Display User s Manual UTICOR Technology LP 6 Printer Option Board Printer Port Sub Option Board The clock on the printer sub option board cannot be used to display cur rent time The timed printing port sub option board contains a printer port and additionally a print time clock The print board attaches to the host option board and can be installed on all available option boards The clock however is used only as a data source for time and date printing To display the time your PMD must have the optional clock module The clock on the timed printing board is for setting the print time and date only Data is printed when the input on the timed printing sub option board is switched from off to on or when the PR command is received The printed output will contain colons and decimals that are displayed and will follow the format as shown 88 88 88 DD MMM YY lt CR gt lt LF gt only if the real time clock is present XXXXXX lt CR gt lt LF gt data on the display lt CR gt lt LF gt a blank line DIP Switch Settings For Printer Port Baud Rate SWI 1 SW1 2 300 0 0 1200 1 0 2400 0 1 The 0 and 1 DIP Switch positions 9600 l correspond with switch positions Parity SW1 3 onthe PC boar
54. nalog Input Option Board If the switch 1s in the one position the relay will be activated when the value is greater to or equal to the preset The relay would then be deactivated when the value is less than the preset If the switch is in the 0 position the relay will be activated when the value is less than or equal to the preset The relay would then be deactivated when the value is greater than the preset If switch 2 7 is set to one and the calculated display value is larger than the display can handle the alarm will be activated Setting the Preset There are three ways you can set the preset value initialization com puter interface command and through the parallel port Initialization The value of the preset after power up depends on the position of switch 2 7 If this is in the one position the preset is initialized to the maximum value The maximum value is 99999 for a six digit display and 999 for a four digit display If switch 2 7 is in the zero position the preset is initialized to the minimum value The minimum value is 99999 for a six digit display and 999 for the four digit display Computer Interface The preset may be set through the Display a number preset digits command The format is DIabcdef ct abcdef is the preset is decimal ct is the PMD 1400 command terminator This command will generally display the value If no option board is installed the value will be displayed If the preset in the
55. ned in three sets of eight on the CPU board The switches determine the configurations of the display and serial port Switch Group 1 SW1 1 gt SW1 8 Computer Port Baud Rate SW1 1 SW1 2 1200 0 0 4800 1 0 9600 0 1 19200 1 1 Parity SW1 3 None Active 1 Parity Type SW1 4 Odd 0 Even 1 Stop Bits SW1 5 1 0 2 1 Computer Port SW1 6 RS 422 0 RS 232 1 SW1 7 through SW1 8 are reserved denotes factory setting 17 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit Switch Group 2 SW2 1 gt SW2 8 EC OIN c CI CI UI DECIMAL POINT 455554 D C B A 4 Digit 6 Digit SW2 1 SW2 2 SW2 3 A A 0 0 0 B B 1 0 0 C C 0 1 0 D D 1 1 0 N A E 0 0 1 N A F 1 0 1 N A N A 0 1 1 N A N A 1 1 1 Colon A Colon B SW2 4 SW2 5 Off Off 0 0 On N A 4 0 1 Off N A 4 1 0 On Off 0 1 Off On 1 0 On On 1 1 BRIGHTNESS LEVEL SW2 6 SW2 7 SW2 8 Lowest 0 0 0 1 0 0 0 1 0 1 1 0 0 0 1 1 0 1 0 1 1 Highest 1 1 1 18 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit Unit Number All switches setto zero rep resent the unit number zero and all switches set to onerepresent unit num ber 63 79737 3 The unit number can be selected from zero to 63 by using DIP switch group SW3 1 through SW3 6 These switches are used to select the Binary group number Switch Group 3 SW3 1 gt SW3 8 SW3 1
56. nge 100 ppm C 100 mS 0 60 C 59 v current mode 1500 Vrms 50 mA 5 VDC 25 mA 12 VDC isol 100 mA 24 VDC isol form A no 3A 250 VAC or 30 VDC 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 8 PMD 1400 Specifications Hardware Specifications Parallel Port D1 preset digit value D2 preset digit value D3 preset digit value D4 preset digit value D5 preset digit value D6 preset digit select display preset D7 preset digit select display test D8 set preset other select COM parallel port common Analog Inputs Current Voltage AN1 4 20 mA 0 1v 0 10v AN2 10 50 mA No Connect COM 24VDC Isolated Output Option 24 VDC 24 VDC Relay Contacts 1 No Contact 1 2 No Contact 2 79737 3 83 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 8 PMD 1400 Specifications PMD 1400 FOUR DIGIT MODEL f xy PMD 1400 SIX DIGIT MODEL Figure 8 2 Outside Dimensions Sheet 1 of 2 84 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 8 PMD 1400 Specifications PMD 1400 SIX DIGIT STACKED TWO HIGH PMD 1400 SIX DIGIT STACKED FOUR HIGH a a Figure 8 2 Outside Dimensions Sheet 2 of 2 79737 3 85 86 Glossary m 3 S 3 S N
57. o hold it in place Replace the six remaining screws Wiring scheme for RS 232 9 pin connector Figure 2 3 RS 232 9 pin Wiring 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP ZET SHU J9jnduw0o3 Wiring scheme for RS 232 25 pin connector 1812 1 10 9 8 7 LO EE oo O 25 24 23 22 21 20 19 by Figure 2 4 RS 232 25 pin Wiring 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP RS 42 ccy SH duoo ccv SH ARIS Figure 2 5 RS 422 Serial Port Wiring PMD 1400 D os mee bon m m PMD 1400 SLAVE Figure 2 6 PMD 1400 Master Slave Wiring 79737 3 7 PMD 1400 Numerical Display User s Manual UTICOR Technology LP A unitis considered a slave when its computer interface portis connected to the slave port of an other unit Power Up The PMD 1400 goes through several start up diagnostics when first powered up It turns on all display segments and performs RAM and PROM tests If either test fails the unit displays corresponding error codes Note Call AVG UTICOR Technical Support at 800 TEC ENGR 832 3647 if these errors are displayed The power up sequence performs the display test for four seconds and displays the software version for four seconds The software version is displayed as SF 1 The number indicates the software version For example a 1 refers to version A
58. og Input Option Board Switch Span Value 1 1 25 1 2 50 1 3 100 1 4 200 1 5 500 1 6 1 000 1 7 2 000 For example if switches 1 1 1 2 and 1 6 are set to 1 and all of the other switches 1 3 1 4 1 5 1 7 and 1 8 are set zero the span will be 1 075 Internal Span When switch 1 8 on an analog input option board is in the 1 position the span is specified internally The internal span is stored in the serial EEPROM on the PMD 1400 s processor board The span is entered into the serial EEPROM through the internal span command The format of this command is as follows ATSxxxx lt ct gt XXXX is the span in decimal ct is the PMD 1400 command terminator This command will always result in the specified span being stored in the serial EEPROM If switch 1 8 1s set for external span the span value used will not be changed by this command The span cannot be greater than 4 000 If the command specifies a span greater than 4 000 it will be ignored Specifying offset The offset for the current and voltage analog input board can also be specified in two ways internally and externally External Offset When switch 2 6 on an analog input option board is in the zero posi tion the offset is specified externally The external offset is determined by switches 2 1 to 2 4 Each switch set to one will cause it absolute 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 7 79737 3 Analog Input Option Board
59. ogrammed bit by bit with appropriate voltage pulses A four bit Binary number used as part of the unit identifier The method used to coordinate sending and receiving data by means of signals indicating when it is okay to transmit or receive data Base 16 numbering system digits 0 through 10 and A through F where F is equal to fifteen Gradual increase in quantity Devices such as limit switches pressure switches push buttons etc that supply data to a controller 89 PMD 1400 Numerical Display Interfacing Isolated bidirectional LED NEMA Standards NEMA 4x NEMA 12 Noise immunity PMD Parallel port Parameter Parity 90 User s Manual UTICOR Technology LP Glossary Interconnecting two pieces of equipment so they can communicate the interconnection can be physical electrical or logical Provides two way interface between devices using RS 232C and RS 422A RS adapter 485A communication standards Acronym for Light Emitting Diode a pn junction that emits light when biased in the forward direction Abbreviation for National Electrical Manufacturers Association that provides standards for electrical equipment approved by the majority of its members See NEMA standards 4x enclosures provide a degree of protection against corrosion windblown dust and rain splashing water and hose directed water and remain undamaged by the formation of ice on the enclosure They meet hose down external icing
60. ogramming your PMD 1400 using ASCII protocol you must first open a channel of communication to the unit For our examples we used Quick BASIC as the programming environment from which the ASCII commands were entered The first step in communicating with your PMD is to type in the BASIC command that enables you to open a communications port To do this the following OPEN statement is used OPEN COM1 9600 N 8 1 AS 1 This statement opens COM Port 1 and sets the baud rate at 9600 N indicates the parity which in this case is no the number eight designates the number of data bits and the one indicates the number of stop bits If the unit is set up and wired incorrectly you will get a DEVICE TIME OUT error This indicates that BASIC did not receive information from an input output device within a specific amount of time It should be noted that following the OPEN statement all other BASIC commands will begin with the PRINT statement If your PMD 1400 is equipped with an option module you ll need to first switch it off To do this enter the following command lines Open Com Port 1 and set initial operating parameters OPEN COM1 9600 N 8 1 AS 1 Select PMD group and unit number PRINT 1 AA000000 37 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit Disable the option board PRINT 1 ADCO The new BASIC statement introduced is the PRINT statement
61. ommand here is SD Refer to the ASCII description of the SD command found earlier in this section for further reference OPEN COM1 9600 N 8 1 as 1 PRINT 1 A000000 PRINT 1 ASD0100 In the above example SD activates the command 01 turns the right most decimal point on the zero indicates that both colons are off the next zero designates the least significant in this case normal display rules are followed Wrap Up The programming samples in this section are intended to get you started They represent a majority of the available ASCII commands that you can use to program your PMD 1400 79737 3 41 42 Section 4 Clock Option 8 S 8 S N u A S E QA 3 S Z e Sr Ta Ry UTICOR Technology L P AVG Automation PMD 1400 Numerical Display User s Manual UTICOR Technology LP 4 44 Clock Option Real Time Clock Module The 0 and 1 DIP Switch positions correspond with switch positions on the PC board The clock module contains a real time clock with battery backup It has eight inputs D1 through D8 and is configured by eight DIP switches It can be set in either 12 or 24 hour modes by DIP switch configura tions Inputs are used to set the clock and are on source when power is present and off when there is no power Installing the Clock Module To install the real time clock module you will need to disassemble the
62. onds Display or Counter Clocks Hours Minutes Display or Counter dicis Controller Outputs Controlled decimal Figure 8 1 Configurations Optional Counter Counter Speed 200 or 150K counts per second Rate Monitor Events per second or events per minute Operating Voltage 10 30 Volts Operating Range 10 volts 14 mA 20 volts 18 mA 30 volts 23 mA Input Voltage Range 10 volts 1 2 mA 20 volts 2 4 mA 30 volts 3 6 mA Input Levels High 2 3 Viso Input Voltage Low 1 3 Viso Input Voltage Input Speed High Speed 150 KHz Low Speed 200 Hz Relay Form A normally open contact 3 amps 230 VAC or 30 VDC max 79737 3 81 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 8 PMD 1400 Specifications Hardware Specifications Analog Input Module Parallel Port 82 Input source mode Input Levels Isolation A D Converter Input Sensitivity Offset Linearity Accuracy Temperature Drift Acquisition time Operating Temp Maximum input voltage drop Isolation Power Consumption Optional Power Output Relay Contacts 10 volts 2 7 mA 20 volts 5 7 mA 30 volts 8 7 mA High 9 volts Low lt 3 volts 1500 VDC 1638 4 units mA 4 20mA 655 36 units mA 10 50mA 32 768 units mV 0 1 v 3 2768 units mV 0 10 v software calculates 4 10 mA offset 0 02 0 05 for 0 1v range 12 bit at 25C 11 bit at 25C for 0 1v ra
63. own below The command is only valid on units that are equipped with a real time clock The real time clock is available as an separate option and as a timed printing board option Command code DA Command format DAddmtyy lt ct gt dd day 1 31 mt month 1 12 yy year 0 99 25 3 26 PMD 1400 Numerical Display User s Manual UTICOR Technology LP PMD 1400 Standard Unit If the PMD 1400 is equipped with a counter the Preset Dig its command sets the value from which the counter will begin to in crement or decrement from DC Display Control The Display Control command allows you to prevent the option board from updating the display When the option board cannot update the display only data from the computer interface is displayed A second command must be received to start the option board updating the display again If the option board is updating the display any data from the computer interface will be overwritten before it can be viewed If data from the computer interface is to be displayed option board updates should be disabled first Command code DC Command format DCn lt ct gt If n 1 then this allows the option board to update the display every 1 10 sec If n 0 then the option board will stop updating the display DI Preset Digits The Preset Digits command is used to display a number and set the current value of the option board For a counter module this value becomes th
64. ple size set by the DIP switches Sample sizes of 1 5 10 15 20 30 and 60 are available The sample size indicates the number of readings used to calculate the rate per minute For example with a sample size of 10 the counter board is read every second and the last 10 readings will be added together and multiplied by six to determine the rate per minute With a sample size of 10 it will take 10 seconds before the reading will accu rately reflect the current rate For rates that fluctuate rapidly it is better to use a smaller sample size while rates that do not change often can use a larger sample size Accumulator The counter can be used as an accumulator of values that are counted up or down The counter has a preset value that can be set using the computer interface parallel inputs A reset will set the counter to zero The counter will not count down past zero or count past 9999 or 999999 depending on your respective PMD 1400 model The accumu lator turns on the relay when the counter is greater than or equal to the preset value On a restart the preset value is set to the maximum value for the display 9999 or 999999 When the counter reads a value less than the preset the relay is turned off 51 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 5 Counter Option Relay There is a delay of 10 to 110 milliseconds from the time the counter input is triggered until the relay is energized The Counter Board DIP Swi
65. r during the computer interface loop test If either number increments the port is not receiving characters it has sent out The transmit lines should be connected to the receive lines during the loop back test DIP Switch Test The DIP switch test mode displays the DIP switch currently being tested The right most digit of the display lights one segment for each switch When SW4 1 is turned on the test proceeds to the next switch The test continues until the test mode switches are changed NOTE Switches 1 7 1 8 and 3 7 3 8 cannot be tested These switches are not connected to the input buffer and are reserved NOTE When SW1 1 is turned on the test proceeds to SW2 when SW2 1 is turned on the test proceeds to SW3 when SW3 1 is turned on the test proceeds to SW4 and when SW4 1 is turned on the test proceeds to SWI SW4 5 0 Normal display mode no digit significance 1 Display most significant digits on a four digit slave This switch controls which digits will be displayed when the unit is being used as a slave If the master has six digits and the slave has four the switch allows the slave to display the four most significant digits Note This switch should not be set on the master unit If the switch inadvertently is set on the master the unit will not function properly 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit If the command termi natorisnotspecified the
66. rd the number 004 will be returned Display Input Range Setup Each PMD 1400 analog input option has two input ranges that can be used The ranges are selected by two switches on Dip Switch SW3 NOTE For both analog input option boards SW3 1 and SW3 2 should never be set to the same position Current Input Ranges The ranges for the current option board are from 4 to 20mA and from 10 to 50 mA To select the 4 to 20 mA range SW3 1 should be set to 1 and SW3 2 should be set to 0 To select the 10 to 50 mA range SW3 1 should be set to 0 and SW3 2 should be set to 1 67 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 7 68 Analog Input Option Board Voltage Input Ranges The ranges for the voltage board are from 0 to 1 volt and 0 to 10 volts To select the 0 to 1 volt range SW3 1 should be set to 1 and SW3 2 should be to 0 To select the 0 to 10 volt range SW3 1 should be set to 0 and SW3 2 is set to the 1 position Determining Span and Offset Current Span and Offset equations The current analog input board s span and offset can be calculated from two current input values and the desired display values for those current input values The two display values DV1 and DV2 are used to calculate the display range DR DR DV2 DV1 The current range CR is determined from the two current input values CII and CI2 CR CID CO Additional information that needs to be considered is the current range the display uses
67. s Manual UTICOR Technology LP Figure 5 4 illustrates how inputs D1 through D8 are connected to an external power supply Shown also are the Up CLK and DN U D inputs D1 through D are factory set to source inputs while UP CLK and DN U D can be set sink or source Figure 5 5 illustrates how inputs D1 through D8 are connected to the internal 12 VDC power supply Shown also are the Up CLK and DN U D inputs This diagram shows the inputs as being source UP CLK and DN U D can be sink source selected through Jumper JP1 Inputs D1 through D8 are factory set as source inputs UP CLK and DN U D are de faulted as sink how ever by changing Jumper J1 from A to B the inputs can be switched from sink to source 57 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 5 Counter Option Figure 5 6 shows the location and position of Jumper 1 The jumper is factory set in the A position allowing inputs UP CLK and DN U D to operate in the sink mode However to allow inputs UP CLK and DN U D to operate in a source configuration JP1 must be changed to the B position s TMS oon OO 000 ooon AU 138 UE C C Figure 5 6 Jumper J1 Locatio
68. table LED brightness e RS 232 RS 422A communications Individually addressed multiple displays Choose counter or clock option boards e Analog signals PMD 1400 Numerical Display User s Manual UTICOR Technology LP Addressing The PMD 1400 The PMD 1400 can be addressed individually or in a group with other slave message displays UTICOR assigns its message displays a group and unit number The PMD 1400 will always be a member of group zero However the unit number can range from 0 to 63 This gives you the added advantage of being able to send each unit different informa tion while still residing in the network Available Option Modules There are four optional features available for the PMD 1400 a clock module a counter module a timed printing module and an analog input module The clock option allows the unit to operate as a real time clock while the counter module allows the unit to be configured as either a rate or accumulative counter The third option allows the operator to print hard copy of displayed data The current analog input board and the voltage analog input board allows you to display values for analog signals onto digital display units The counter and clock options have parallel inputs while the timed printing module is serial AI four have configuration switches 2 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 2 Getting Started This section explains how to set up the
69. tch Settings are as follows TheO and 1 DIPSwitch SWI 1 Counter Setup positions correspond 1 Separate clocks for up and down ps EE H 0 Single clock with up down control SW1 2 Counter Speed 0 Low speed 200Hz 1 High speed 150KHz SW1 3 Counter Mode 0 Rate counter Accumulator SW1 4 Counter Rate Select per second 1 per minute SW1 5 SW1 6 SW1 7 Rate per Minute Sample Size 0 0 1 1 0 0 3 0 1 0 5 1 1 0 10 0 0 1 15 1 0 1 20 0 1 1 30 1 1 1 60 SW1 8 Counter Input Polarity not the parallel port 0 Inputs are Active High 1 Inputs are Active Low denotes factory setting 52 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 5 Counter Option When D8 is on it allows you to enter a preset number on the display From this preset the dis play can count up or down 79737 3 Counter Board Inputs If D8 is off then D1 through D7 are defined as follows D1 On Counter is inhibited D2 On Resets counter to zero D3 On Accumulative counter is set to the preset value D4 not used D5 not used D6 On Displays current counter preset value D7 Z On Display test all display segments are activated The relay is activated if the value of the counter is greater or equal to the preset value Once the preset value has been displayed the relay becomes acti vated when the counter equals zero Tf D7 is On and an overflow error occurs t
70. tement OPEN COM1 9600 N 8 1 AS 1 Next select the proper unit number PRINT 1 AA000001 o A a AR o qu And finally type in the following bit map code command ay e PRINT 1 ABMF6B6DAE0F260 ES e n1 This command will display the number 952731 d 10 Foranother example type the line PRINT 1 A606060606060 This command line will replace the display with a series of ones across the six digitdisplay Segment Bit Number The bit map is based on hexadecimal representations of the bits used for the LED segments in the display ab mostsignificant digit on the six digit model cd next most significant digit ef next most significant digit gh next most significant digit ij next most significant digit kl least significant digit 79737 3 39 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 PMD 1400 Standard Unit Set Display Brightness Another powerful tool of the PMD 1400 is its ability to have the display s intensity programmed There are eight intensity levels rang ing from zero to seven that can be set according to preference OPEN COM1 9600 N 8 1 AS 1 PRINT 1 A000001 PRINT 1 BR3 In the above example the command line PRINT 1 ABR3 changes the intensity of the display from its default setting of seven to the less intense setting of three The valid settings are 0 1 2 3 4 5 6 and 7 Slave Brightness Control
71. thetime formatis 24 hour lthetime formatis 12 hour a m 2 the time formatis 12 hour p m hh hours 0 23 mm minutes 0 59 dd day 1 31 If the PMD 1400 d t mt month 1 12 e oes no 7 j have the counter option c counter print option installed and set up for If c 0 the accumulated count prints accumulator the charac 1 the internal counter prints and resets ES um ah remain 2 the accumulated count will print and the internal and accumulative counts will reset p 7 print descriptor flag If p 0 a one word description of the counter will be printed The description will be INTERNAL or ACCUMULATED p 1 the description will not print 32 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 3 79737 3 PMD 1400 Standard Unit ARS Read Span This command is for the analog input option boards and is used to obtain the current value of the span currently being used by the display This could be either the internal or external span depending upon the position of SW1 8 If the counter or clock option board is installed this command will return 9999 for the span This is an invalid value If no option board is installed 9999 will be returned also Command code RS Command format RSabcd lt ct gt abcd the value of the span currently being used by the display ART Read Time and Date This command reads the current time and date from the PMD 1400 If the unit is not egu
72. ume responsibility or li ability for actual use based on the diagrams and examples Copyright 1997 2000 All rights reserved UTICOR Technology LP AVG Automation P O Box 1327 4140 Utica Ridge Road Bettendorf IA 52722 1327 2nd printing 03 00 Manual Number 79737 3 PMD 1400 Numerical Display User s Manual UTICOR Technology LP 79737 3 Table of Contents Caution Table af Contenti silu ja Ex Dee UN Dae Rad Me UR NUN 1 Section 1 Introduction ee ee ee ee none ee ee ee ee ee Ko Ko Ke ee ee ee ee ee ee ee 1 Section 2 Getting Started Wiring Your PMD 1400 sesse ee alone ee db 6 Reasseribling the Unit aie ge SS ge ee oe Ma pese h a se ee eek redis 8 Option ee ide sss M 11 Slave POIL a o 12 Error 06 oh SE t aa a lil i a N 14 Counter Doard Errors 3 ER EE Dohoda titu ee Sa De Be uis Ge OPEN UNE 14 Section 3 PMD 1400 Standard Unit qn HEC 16 Addressine EDT D es DE Ge be Ee eg ee N SR Ge RE Re Ke eg a 16 Charactenis S MI 16 Programming EE E 17 Unit Number PCR 19 ASCI Commands OR AE EE ER rent 22 Programming Using ASCII Characters users 23 Programming Using ASCII Protocol through BASIC Commands 34 Section Fe Clock ODORE EE ES D SS D am ele 43 Real Time Clock Module uec made nain ya es eg docto Vis eR Ee des 44 Installing the Clock Module usant nitro 44 Real Time

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