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Section 3
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MODEL 346 INSTALLATION AND OPERATION MANUAL

HA243820

Issue 5 Mar 98

3.4 INTERNAL TRIGGERS AND ACTION EQUATIONS

Many of the standard and optional features of the recorder can be reset, started, stopped etc. in response to
internal triggers or to external events. The most common example is a relay responding to an alarm.

The nine types of internal trigger that can modify the recorder operating features are as follows:-
Contact (event) input (external contact closure) (CI1 - CI6)
An active Alarm (A11 - A94) (A11 = Channel 1, Alarm 1; A64 = Channel 6, Alarm 4).
The global alarm (bell symbol) becoming active (GLA)
The instrument alarm (‘I’ symbol) indicating a problem in the self- check diagnostics (INA)
A timer reaching its preset time/date (TM1, TM2).
A totaliser reaching its preset value (TT1 - TT6).
A totaliser automatically resetting at 999,999,999 (TR1 - TR6).
The Log Start command (LOG)
Use of the designated ‘Soft Key’ in the Operator Menu (KEY). See Section 3.3.3

If the relevant option(s) is (are) fitted, the features that can be activated by one or more of these triggers are:-
Operate alarm relay
Select alternative chart speed
Initiate printing of a log
Print custom message
Reset totaliser
Replay trace history
Initiate range magnification
Reset derived variables
Start/reset timers

The specific effects that a trigger can have are described with each individual feature. However, the means of
selecting the internal triggers is the same for all functions.An action equation is a 'Logic OR' statement which
defines the trigger (or triggers) that will modify a particular feature. It is entered as a series of trigger codes
separated by commas (see examples below). Each action equations page is used to enter up to four triggers.
Action equations can be several pages long; for example, 3 pages would be needed for 10 alarms to operate
one relay.

EXAMPLES:

1. An action equation for output relay 01 responding to Alarm 1 on Channel 1 (A11) would be:-

RY01 Act Eq P1

A11,___,___,___,

2. An action equation for printing custom message 07 in response to alarm 3 on channel 2 OR alarm 1 on
channel 3 OR Event Input 3 would be:-

CM07 Act Eq P1

A23,A31,CI3,___,

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Summary of Contents for 346

Page 1: ...ε Model 346 Chart recorder Installation and operation manual E U R O T H E R M C H E S S E L L 346 ...

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Page 3: ...10 1 1993 A2 1995 EMC emissions specification EN50081 2 Group1 Class A EMC immunity specification EN50082 2 Signed for and on behalf of Eurotherm Recorders Limited Peter De La Nouger de Technical Director Signed Dated IA249986U120 Issue 2 Dec 96 All rights are strictly reserved No part of this document may be reproduced stored in a retrieval system or transmitted in any form or by any means withou...

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Page 5: ...6 INSTALLATION AND OPERATION MANUAL LIST OF CONTENTS SECTION TITLE 1 OVERVIEW 2 INSTALLATION 3 OPERATION 4 CONFIGURATION 5 OPTIONS 6 SERVICING ANNEX A CONFIGURATION GUIDE Full contents lists appear at the beginning of each section and a comprehensive index is to be found at the end of the manual ...

Page 6: ...e 5 9 Issue 5 Mar 98 Page 5 10 Issue 5 Mar 98 Page 5 11 Issue 5 Mar 98 Page 5 12 Issue 5 Mar 98 Page 5 13 Issue 5 Mar 98 Page 5 14 Issue 5 Mar 98 Page 5 15 Issue 5 Mar 98 Page 5 16 Issue 5 Mar 98 Page 5 17 Issue 5 Mar 98 Page 5 18 Issue 5 Mar 98 Page 5 19 Issue 5 Mar 98 Page 5 20 Issue 5 Mar 98 Page 5 21 Issue 5 Mar 98 Page 5 22 Issue 5 Mar 98 Page 5 23 Issue 5 Mar 98 Page 5 24 Issue 5 Mar 98 Page...

Page 7: ...d be contacted for advice 3 Any adjustment maintenance and repair of the opened apparatus under voltage should be avoided as far as possible and if inevitable shall be carried out only by a skilled person who is aware of the hazard in volved 4 Where conductive pollution e g condensation carbon dust is likely adequate air conditioning filtering sealing etc must be installed in the recorder enclosur...

Page 8: ...e recorder contain components which are susceptible to damage caused by static electrical discharge of voltages as low as 60 Volts Should it be necessary to handle such circuit boards appropriate precautions must first be taken to ensure that the recorder the circuit board the operator and the work area are all at the same electrical potential ...

Page 9: ...0 installation category II and pollution degree 2 These are defined as follows INSTALLATION CATEGORY II The rated impulse voltage for equipment on nominal 230V ac mains is 2500V POLLUTION DEGREE 2 Normally only non conductive pollution occurs Occasionally however a temporary conductivity caused by condensation shall be expected Section Page 1 1 INTRODUCTION 1 2 1 2 RECORDER DESCRIPTION 1 2 1 3 SPE...

Page 10: ...ete configuration menu arrangement 1 2 RECORDER DESCRIPTION The Model 346 recorder is a user configurable 1 to 6 input multipoint 100 mm calibrated width instrument using digital indication to display measured value The use of modular construction and surface mount circuit card technology ensures a compact design which is easy to maintain and upgrade Configuration is carried out using the recorder...

Page 11: ...ak 3rd order polynomial log power formulæ for mass flow humidity F0 RH ZrO2 Writing System 6 colour blue red green black brown and violet disposable dotting head 1 2 million dots each colour Retransmission 1 2 or 3 isolated scaled 4 to 20 mA outputs Transducer Power Supply 1 or 2 supplies both giving up to three 24 Vdc 100 mA outputs Memory Configuration and data stored in EEPROM and battery backe...

Page 12: ...345mm 13 6 in Average Weight 7kg 15 lbs 1 4 MEMORY PROTECTION There are three areas of memory in the recorder as follows 1 EEPROM internal to the microprocessor on the main board 2 Separate EEPROM located on the main board 3 Battery backed RAM or auxiliary EEPROM located with the operating program The microprocessor EEPROM stores channel information as follows 1 Channel ranges 6 CJC source interna...

Page 13: ...THERMOCOUPLE INPUTS 2 6 DIRECT VOLTAGE INPUTS UP TO 5 VOLTS DC 2 6 ATTENUATED DC VOLTAGE INPUTS ABOVE 5 VOLTS 2 7 RTD RESISTANCE TEMPERATURE DETECTOR INPUTS 2 7 CONTACT INPUT EVENT CONNECTIONS 2 7 CURRENT INPUTS RECORDER SUPPLY 2 8 CURRENT INPUTS EXTERNAL SUPPLY 2 8 2 4 CIRCUIT BOARD LINKS 2 9 2 4 1 INPUT CHANNEL CONFIGURATION RULES 2 10 2 4 2 CHANNEL THERMOCOUPLE RTD LINK 2 10 2 4 3 THERMOCOUPLE ...

Page 14: ...Section 2 Page 2 2 MODEL 346 INSTALLATION AND OPERATION MANUAL HA243821 Issue 5 Mar 98 This page is deliberately left blank ...

Page 15: ...t is discarded to ensure that all accessories and documentation have been removed 2 1 1 CHASSIS REMOVAL Open the door of the recorder Depress the latch at the lower right corner of the chart cas sette figure 2 1 1a Pull the cassette up and out until it disengages from the recorder chassis Locate the chassis jacking bolt shown in figure 2 1 1b and release the recorder chassis from the case by rotat...

Page 16: ...ed by using two DIN type clamps as shown in Figure 2 2 These clamps can be fitted to the top bottom or either side of the case but opposite sides should be used whenever possible It is sometimes helpful to centre punch the rear face of the panel at the contact points for the clamps This will keep the clamps from wandering as they are tightened CAUTION IT IS IMPORTANT NOT TO USE EXCESSIVE FORCE WHE...

Page 17: ...LOCATED ON THE INSIDE OF THE REAR TERMINAL COVER OF THE RECORDER CAUTION DAMAGE WILL BE CAUSED TO THE TERMINALS IF THE TERMINAL SCREWS ARE OVER TIGHTENED THE RECOMMENDED MAXIMUM TORQUE IS 0 4Nm Figure 2 3 Rear terminal panel connections Ch 1 RFI Grounding Ch 2 Ch 3 L N Mains cable clamp NO CMN NC NO CMN NC RY 06 RY 05 NO CMN NO NO CMN NC RY 04 RY 03 NO CMN NC NO CMN NC RY 02 RY 01 6 5 4 C 3 2 1 Co...

Page 18: ...erminals Locate the line fuse on the main board adjacent to the line input terminal If necessary change the fuse to suit the supply voltage 1A for 120V supply 500mA for 240V supply See section 6 for appropriate fuse part numbers Figure 2 3 1 Voltage selector switch settings 2 3 2 SIGNAL WIRING The recorder can be connected and configured to operate with a variety of signal sources such as Thermoco...

Page 19: ...E TEMPERATURE DETECTOR INPUTS The recorder supplies the actuation current and connections for 100Ω Platinum RTDs Pt100s Signal wire size and length must be chosen to ensure that lead lengths are equal and individual leads do not exceed 10Ω each between the recorder and the RTD Figure 2 3 2c Input connections for Resistance Thermometers CONTACT INPUT EVENT CONNECTIONS These optional inputs figure 2...

Page 20: ...s recorder supply CURRENT INPUTS EXTERNAL SUPPLY The connection of a 4 to 20 mA device with a separate external power supply requires only the use of a shunt resistor to convert the current signal into a voltage input 1 to 5 V with a 250Ω shunt Figure 2 3 2e Current input connections external supply Transmitter Transmitter power supply Current loop external wiring Shunt Recorder Black Black Black ...

Page 21: ...addition each board has one common Link CJC RTD ALL of these links must be checked and or set before the recorder is placed into service Each Link is a set of three pins with a removable shorting block between two of them Figure 2 4 shows the locations of the links Figure 2 4 Input amplifier configuration link locations Upscale drive Downscale drive RTD input T C or dc input Park link here for no ...

Page 22: ...lifier determines the open input TC Break or Failsafe direction for that channel This function does not operate if the other link for the channel is in the RTD position Should the input go open circuit the recorded and displayed values are driven beyond the established range limits in the chosen direction triggering any appropriate alarms as they go If the fail safe feature is not required the lin...

Page 23: ...Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No Yes Yes Yes Yes No No No Yes Yes Yes Board description Slot 3 Slot 4 Slot 5 Possible board locations 1 2 3 4 5 Input amplifier board channels 4 5 and 6 Input amplifier board channels 1 2 and 3 Option board Option board Option board Slot Board type Figure 2 4 5 Circuit board location diagram Table 2 4 5a Circuit board locations OPTION...

Page 24: ...Section 2 Page 2 12 MODEL 346 INSTALLATION AND OPERATION MANUAL HA243821 Issue 5 Mar 98 This page is deliberately left blank ...

Page 25: ... 1 MEASURED VALUE DISPLAYS 3 14 MULTI CHANNEL DISPLAYS 3 14 SINGLE CHANNEL DISPLAYS 3 15 3 3 2 ALARMS 3 15 3 3 3 OPERATOR MENU 3 16 SOFTKEY 3 16 VIEW TOTALISER 3 16 TOTALISER RESET 3 18 PRIMARY CHART SPEED 3 18 CHART ADVANCE 3 18 CHART HOLD 3 18 PEN PARK 3 18 ALARM CONFIGURATION 3 19 BATCH NUMBER 3 19 LOG INITIATION 3 19 VIEW TIMER 3 19 RANGE MAGNIFY 3 19 REPLAY HISTORY 3 20 ALTERNATIVE CHART SPEE...

Page 26: ...with the chart drive motor In order to carry out this adjustment remove the recorder from the case and rest it on its left side as shown in the figure Release the latch securing screw and adjust the position of the latch such that the gear train on the cassette meshes correctly with the motor gear For the sake of clarity the figure shows the cassette re moved When correctly meshed there should be ...

Page 27: ...tch numbers and other items which do not require the entry of a password in order to access them Password protected configuration items are described in section 4 Configuration 3 2 MECHANICAL OPERATION 3 2 1 ROLL CHART REPLACEMENT MANUAL CASSETTE Open the door of the recorder and remove the cassette by operating the catch release swinging the bottom of the cassette upwards and carefully pulling it...

Page 28: ...the end section must be pulled off not unscrewed When re assembling such cassettes it must be ensured that the gearwheel keyway en gages with the key on the inside of the stub and that the gearwheel is pushed fully home Failure to ensure this can result in faulty chart take up action If necessary remove the old chart s cardboard spool from the pay off lugs Mount a new roll of chart into the supply...

Page 29: ... the closed position Ensure that the platen is clicked into place Tension the chart by holding the drive roller and turning the left hand exposed take up flange as shown The cassette can now be returned to the recorder chas sis as shown and then swung down and pushed in wards until it latches into position Ensure that the cassette drive train meshes with the drive gear It is recommended that the s...

Page 30: ...aining stub as shown in figure 3 2 2a A slight rotation against the direction of winding may assist in the removal Re assemble the take up spool and refit it in the cas sette Apply light pressure to the sides of the paper tray and return it to the closed position Close platen ensuring that it clicks into place If necessary remove the old chart s cardboard spool from the pay off lugs Mount a new ro...

Page 31: ...y lifting the free end of the chart upwards and pulling it against the serrations on the tear off guide Return the cassette to the recorder and swing it down until it latches into position Use the Chart Advance feature in the Operator menu section 3 3 3 to feed the chart into the take up mecha nism Ensure that the chart flows freely during this take up process It is recommended that the servo pen ...

Page 32: ... the chart should be tapped gently on a table or bench This proc ess removes dust from the chart perforations which might otherwise build up and eventually clog the cassette mechanism OPENING THE CASSETTE As shown in figures 3 2 3 b and c access to the chart loading area is by opening the Door Moulding figure 3 3 2b then pulling the plastic Paper Guide Assembly away from the roller allowing the me...

Page 33: ...e open paper guide and the roller as shown in figure 3 2 3d Fold the free end of the chart so that it folds naturally and place the folded end into the take up tray as shown in figure 3 2 3e IF THE DIRECTION OF FOLDING IS REVERSED THE CHART WILL NOT TRANSPORT CORRECTLY AND WILL FAIL IN OPERATION Ensuring that the chart is square with the cassette sides and that the chart holes are correctly locate...

Page 34: ...correctly through the cassette by rotating the pinion as shown in figure 3 2 3g Return the cassette to the recorder and swing it down until it latches into position It is recommended that the servo pen alignment pro cedure section 6 3 1 is carried out to ensure that the pen zero and span positions match the new chart Figure 3 2 3g Checking paper transport ...

Page 35: ...s previously described CHART TEAR OFF If a section of chart is to be detached the take up spool is removed as just described and the chart is pulled up wards and across to tear the chart on the serrated edge of the chart tear off guide as shown in the figure The relevant parts of the chart replace ment procedure should be followed to release the required section of the chart from the take up spool...

Page 36: ... access figure 3 2 5 Further movement of the pens is inhibited until pen park is selected OFF CARTRIDGE REPLACEMENT Once the printhead is parked the exhausted colour cartridge can be removed by gently pulling on it The new printhead is now taken out of its package using the tip protection clip and inserted onto the colour select motor shaft figure 3 2 5 Restrain the cog drive gear behind the cartr...

Page 37: ...ent board fitted as follows Remove the recorder from its case Rotate the 1 4 turn fastener and lift the cover between the pen tray and the servo drive board Using a gentle rocking motion carefully unplug the battery board from the top of the anno tator board ensuring that the annotator board remains in place Fit the new battery board and close the cover latching it shut using the 1 4 turn fastener...

Page 38: ...th channel number measured value and units of measure MULTI CHANNEL DISPLAYS There will be two Multi channel displays for 4 5 or 6 channels and three displays for 7 8 or 9 channels If all three channels in a display are turned OFF see section 4 channel function that display will not appear Multi channel displays scroll to the next higher group every 12 seconds Operation of the ENTER key causes the...

Page 39: ...eration of the Clear key causes a return to the first multi channel display 3 3 2 ALARMS An Instrument alarm inverse video I appears flashing after initialisation If this I continues to flash for more than 90 seconds section 6 2 of this document should be referred to for Instrument Alarm information The global alarm bell symbol appears flashing whenever any alarm on any channel becomes active The ...

Page 40: ...ons are installed the action equation functions are 1 Output relay 6 Replay trace history 2 Selection of alternative chart speed 7 Change range magnification 3 Initiation of log printing 8 Reset derived variables 4 Printing of a user entered message 9 Start timer 5 Reset totaliser 10 Reset timer The ENTER key is operated to select the Soft Key for configuration on or off Soft Key Soft key descript...

Page 41: ...p time and date View instrument alarms C Use to initiate replay C Use to initiate reset C Use to initiate reset See section 6 C C Option Option Enable disable softkey Set softkey on or off Enter totaliser nº for viewing C Enter totaliser nº to be reset Set primary chart speed Set chart advance on or off Set chart hold on or off Set pen park on or off Configure alarms Enter batch number Print log S...

Page 42: ...hart Spd _XXXX MM HR The up down side arrow keys are used to set the primary chart speed The speed units in hr or mm hr are defined in the instrument configuration menu section 4 9 and are not configurable from the above display CHART ADVANCE Chart Advance Off The up down arrow keys are used to operate the chart advance When selected ON the chart will advance at maximum speed until selected OFF ag...

Page 43: ...rinted Scales LOG INITIATION Print Log The ENTER key is operated to call the Log up for printing Print Log ENTER to confirm The ENTER key is operated again to initiate the printing of the Log Once started the Log will continue until it is complete If other actions such as a chart speed change occur during the printing of the Log a line is drawn across the chart to mark the time Any printing called...

Page 44: ...instrument configuration menu sec tion 4 9 ALARM MESSAGE PRINT DISABLE Alarm Msg Cancl The ENTER key is operated to access all as yet unprinted alarm messages This feature is particularly useful when the input measurements are known to be in an abnormal state and many alarms have occurred resulting in a possible backlog of alarm messages Alrm Msg Cancl ENTER to confirm A further operation of the E...

Page 45: ...AGE PRINTING Print Message NN The up down arrow keys are used to select a message to be printed Once selected a double operation of the ENTER key initiates printing Subsequent operation of any key causes a return to the message select display Note If break trace mode is selected the printing of the message will interrupt the traces TIME AND DATE SETTING Time Date HH MM DD MMMYY The up down side ar...

Page 46: ...ant option s is are fitted the features that can be activated by one or more of these triggers are Operate alarm relay Select alternative chart speed Initiate printing of a log Print custom message Reset totaliser Replay trace history Initiate range magnification Reset derived variables Start reset timers The specific effects that a trigger can have are described with each individual feature Howev...

Page 47: ...the chart when each change occurs The normal printing for each change is delayed until the current printing job is complete Alarm and Custom Messages interrupt all other printing jobs except the Log An interrupt occurs only after a line of text is completed Channel scale descriptor and Time messages are printed alternately every 5 cm of chart see figure below The channel scale and descriptor messa...

Page 48: ...on of the 13th January 1989 and remained in alarm for five minutes Alarm messages will not print during a log If alarms occur so frequently that they cannot be printed the Mes sages are saved and printed as quickly as is permitted by the current print mode Unprinted Alarm Messages may be cancelled by using the Alarm Message Cancel item in the operator menu Note If a particular alarm toggles on and...

Page 49: ...s P2 05_ TT2 TOTAL DISCHARGE 343344345 GAL TT1 TOTAL FEED FLOW 344345346 GAL ID34 B123456 200MM HR 29 OCT89 P 2 00_ 3 5 4 CUSTOM MESSAGES A custom message can have up to 16 characters and it is printed whenever one or more internal triggers in its action equation become active Time is printed with each Message Custom Messages are printed as BATCH CYCLE DONE A10 27_ BATCH SOAK START A 9 57_ BATCH S...

Page 50: ...fore the traces return to their originally configured ranges Magnified ranges are printed as RANGE MAGNIFIED CH 2 DISCHARGE FLOW MGD 20 45 70 CH 1 REACTOR PRESSURE PSIG 740 840 940 ________________________________________ CH 2 DISCHARGE FLOW MGD 0 100 200 CH1 REACTOR PRESSURE PSIG 0 500 1000 3 5 6 TRACE HISTORY When Trace History is activated a line is drawn across the chart Above the line the his...

Page 51: ...ANGES INPUTS CHART SPANS 4 11 HIGH AND LOW RANGE 4 12 INPUT HIGH AND LOW VALUES 4 12 CHART HIGH AND LOW VALUES 4 12 4 8 10 MAG CENTRE 4 13 4 8 11 INPUT FILTER 4 13 4 8 12 CJC TYPE 4 13 4 8 13 CHANNEL DESCRIPTOR 4 13 4 8 14 CHANNEL ADJUST 4 13 4 9 INSTRUMENT CONFIGURATION 4 14 4 9 1 ALTERNATIVE CHART SPEED 4 14 4 9 2 SPEED CHANGE EQUATION 4 14 4 9 3 CHART HOLD EQUATION 4 14 4 9 4 PRINT MODE 4 16 4 ...

Page 52: ...0 5 ALARM HYSTERESIS 4 23 4 10 6 DEADBAND 4 24 4 10 7 ALARM MESSAGE PRINT ENABLE 4 24 4 10 8 RATE BASE 4 24 4 10 9 ALARM MESSAGE 4 24 4 11 INSTRUMENT LOG 4 26 4 11 1 INTRODUCTION 4 26 4 11 2 CONFIGURATION PAGES 4 26 LOGGING CHANNELS 4 26 LOGGING TOTALISERS 4 26 LOG INITIATION 4 26 4 12 TIMER CONFIGURATION 4 28 4 12 1 INTRODUCTION 4 28 CLOCK TIMERS 4 28 PERIODIC TIMERS 4 28 POWER LOSS EFFECTS 4 28 ...

Page 53: ... and the choice to be made on the bottom line 4 2 RECORDER KEYBOARD In addition to a vacuum fluorescent display with two lines of 20 characters the display assembly has 6 touch keys Up arrow Used to increase a number letter or to move forward through a selection list Down arrow Used to decrease a number letter or to move backward through a selection list C Clear Resets any number word selection no...

Page 54: ...c keys to be used instead In order to disable this feature o f f is typed in The screen display is similar to the normal recorder display but characters between and Section 4 4 are not displayed at the terminal screen If one of these characters is required it is necessary to read the recorder display Table 4 3 Terminal keys The following information is provided as a guide only It is the user s res...

Page 55: ...O P Q R S T U V W X Y Z _ blank Å Æ ß É Ñ ö û ü ç ε θ φ π µ Ω Σ Å 0 1 2 3 4 5 6 7 8 9 01 2 3 4 5 6 7 8 9 blank 0 1 2 3 4 5 6 7 8 9 4 5 GETTING STARTED The first configuration step is to enter the configuration mode This is done by pressing the page key while the recorder is on any display showing a measured value If unsure of the type of the current display press CLEAR C several times until the di...

Page 56: ...e used to initiate logs print mode changes chart speed changes various resets etc within the recorder Event Replay optional Used to for define the operating parameters associated with 1 The Trace History Function that stores up to 15 minutes of record history for replay when a specified action occurs 2 The Range Magnify Function that increases the resolution of a record by expand ing on command or...

Page 57: ...rument alarms Change calibration Initially set to 10 at the factory Enter channel configuration section 4 8 Enter instrument configuration section 4 9 Enter alarm configuration section 4 10 Enter relay configuration section 5 1 Enter totaliser configuration section 5 2 Enter logging configuration section 4 11 Enter custom mesage configuration section 5 3 Enter timer configuration section 4 12 Ente...

Page 58: ...be used to toggle interpolation on or off for the channel being configured Interpo lation on causes a horizontal line to be drawn between consecutive dots as depicted in figure 4 8 2 Figure 4 8 2 Interpolation example 4 8 3 PEN COLOUR C1 Pen Color Violet The up and down arrow keys can be used to select the colour of the trace for the channel being configured Scroll up choices are violet red black ...

Page 59: ...Select colour for channel Enter programmable units string Select input type Set low range Select linearisation function Select temp erature units C F or Prog Select decimal point position Set low chart Set high chart Set value for magnification centre Set filter time seconds Set CJC internal or external Enter channel descriptor Only for thermocouple input type Set low input Set high input Set high...

Page 60: ...copper 100 ohm Pt ANSI 100 ohm PT DIN 100 ohm Nickel or 120 ohm Nickel resistance thermometer linearisation to the input signal Comms Comms must be selected if values are to be written to process variables from a host computer Note Refer to Section 2 4 for information relating to the input amplifier board links which have to be set according to the type of input 4 8 5 CHANNEL UNITS C1 Units C This...

Page 61: ...l operating span gain for these inputs Input This selection defines the Type of Input to be measured Example A transmitter ranged for 0 to 1000 litres per minute produces a 4 to 20 mA signal This is converted to 1 to 5 volts at the recorder by a 250 shunt The recorder Input is lo 1 00 V hi 5 00 V The recorder Range is lo 0 litres per minute hi 1000 litres per minute The defined Range is used by th...

Page 62: ... will appear on these range displays INPUT HIGH AND LOW VALUES C1 Input Low High X XXXX Ω V mV This display is present only when the Input Type chosen is Volts Millivolts or Ohms The Up Down Side arrow keys are used to define the low and high end electrical input values For these Inputs the internal operating span gain will be calculated from the entered Input values The recorder may function outs...

Page 63: ...rd Internal or a remote terminal area External The Up Down Arrows are used to select the appropriate CJC Type If external is chosen the temperature of the remote site must be entered in the Instrument Menu see Section 4 9 4 8 13 CHANNEL DESCRIPTOR C1 Ch Descr The Channel Descriptor is a 16 character tag which appears above the current value on a single channel display and is printed on the chart w...

Page 64: ...ing any of the internal triggers such as an active Alarm or an Event contact Input See Section 3 4 for a discussion of Internal Triggers and Action Equa tions Press Enter to review or change the action equation Spd Act Eq P1 ___ ___ ___ ___ This Action Equation defines the internal triggers that can be used to change to the alternative chart speed The up down side arrow keys are used to enter the ...

Page 65: ...r Access softkey set up Enter new password Set operator alarm access on off Access custom curve menu Enter external CJC temperature C Enable disable softkey equation Enter softkey descriptor Yes No Yes No Yes No Yes No Set signal decimal point position Set units decimal point position Select point pairs 1 to 11 for sequential entry C Enter point pair X and Y data Enter point pair units data C Sele...

Page 66: ...acters to be taller BREAKTRACE MODE Chart speed timing is interrupted for the Alarm Log and Custom Messages Messages are printed at optimum speed for legibility with the chart advancing automatically be tween printing passes Scale and Date Time printing continues at the selected chart speed 4 9 5 ID NUMBER ID Number XX This number from 01 to 99 is contained in the ID Number Chart Speed Date Time m...

Page 67: ...n side arrow keys are used to enter a tag name of up to 14 characters for the Soft Key See Section 4 4 for entry of alphanumeric data 4 9 9 PASSWORD Password XXX A new password of from one to three digits can be defined here Unless the correct Password is entered the Main Menu is not accessible for review or edit Permissible passwords are in the range from 1 to 999 The up down side arrow keys are ...

Page 68: ...tered The first step when using a Custom Curve is to determine the Input and Units values that define it If the curve is a series of straight lines such as a tank profile fewer than five segments may be adequate to define the area to be used For Custom Thermocouple curves a three point Cold Junction Compensation curve must also be entered Note If any of the 11 Point Pairs are not needed to define ...

Page 69: ...ecimal position is by using the up down arrow keys see Section 4 8 3 for possible settings Signal input mA mV Units Point pair 4 0 4 5 5 0 5 5 6 0 13 0 20 0 1 000 1 125 1 250 1 375 1 500 3 25 5 000 6 000 7 000 8 000 9 000 0 00 2 22 6 67 11 11 20 00 60 00 100 0 200 0 300 0 400 0 500 0 1 2 3 4 5 6 7 8 9 10 11 Point pairs 8 to 11 must be entered even though they are not used Segment 1 Segment 3 Segme...

Page 70: ...nt pair definition page where the number of the next pair to be configured is entered COLD JUNCTION POINT PAIR CONFIGURATION CJ Point Pair N The up down side arrow keys are used to select a CJ point pair for configuration The subsequent pages allow a three point Cold Junction Compensation CJC curve for use with a thermocouple customer curve The compen sation curve is active only if input type Ther...

Page 71: ... Enter alarm number Select alarm type Enter setpoint value Enter hysteresis value Enter deadband Set alarm print on or off Enter rate base Enter alarm message string C C C Repeat for all required channels Only if dead band alarm type selected Only if rate of change alarm type selected Repeat for all required alarms Operation of the key causes a return to the previous higher menu level C ...

Page 72: ...o access the SETPOINT display page XY Defines the channel number X and alarm number Y currently being configured This identi fier appears on each alarm configuration page Type Off This selection is used to disable an alarm even when it is fully configured Absolute high This type of alarm is active when the measured value lies above the setpoint value A hysteresis value can be entered later in the ...

Page 73: ...nt temperature the situation becomes even more unstable This problem is overcome using hysteresis which effectively defines a deadband below the setpoint In this example a hysteresis of 5 degrees would still allow the alarm to become active at 80 degrees but it would not reset until the temperature had fallen to 75 degrees 4 10 4 ALARM SETPOINT AXY Setpoint X XXXX Units An alarm setpoint is the va...

Page 74: ... message on or off The printed message consists of the time and date of occurrence the relevant channel and alarm number the alarm on off status and the user entered alarm message if any 4 10 8 RATE BASE The following display appears only if rate of change alarm type has been previously selected AXY Rate base Hour The up down arrow keys are used to enter a period value of Hour Min or Sec The selec...

Page 75: ...HA243821 Issue 5 Mar 98 Section 4 Page 4 25 MODEL 346 INSTALLATION AND OPERATION MANUAL This page is deliberately left blank ...

Page 76: ... equation Once started the log will continue to completion 4 11 2 CONFIGURATION PAGES LOGGING CHANNELS The ENTER key is used to access the channel log display The up down side arrow keys are used to select those channels which are to appear in the Log LOGGING TOTALISERS The ENTER key is used to access the totaliser log display The up down side arrow keys are used to select the totalisers whose val...

Page 77: ...re 4 11 Instrument log configuration menu arrangement Configure instrument log Edit channel selection Edit totaliser selection Enter required channel numbers Enter required channel numbers Operation of the key causes a return to the previous higher menu level C Edit log action equation Enter required equation items C ...

Page 78: ...will output an internal trigger at 1 30 PM on the 17th of every month If the clock timer is set for 13 30 it will output its internal trigger every day at 1 30 PM For a weekly timer set a Clock timer with the complete time and date for the first reset of a Period timer set to 10 080 minutes PERIODIC TIMERS A Periodic Timer starts when entered or when it is reset on command from an internal trigger...

Page 79: ...CONFIGURATION Cont Figure 4 12 Timer configuration menu arrangement Operation of the key causes a return to the previous higher menu level C Select timer number Select timer type Set period in minutes Edit reset equation Set up reset equation Set time and date as required C C C Clock Periodic Yes No ...

Page 80: ...e output of the internal trigger The format is HOUR MIN DAY MONTH YEAR Hours are set using a 24 hour clock 1 PM 13 hours If any of the param eters are left blank the clock will output its trigger each time the remaining parameters occur as described above PERIOD TM1 Period 123456789 min Use the up down side arrow keys to set the duration of the timed period in minutes The maximum duration is 999 9...

Page 81: ...OLOUR SELECT 5 10 5 3 3 ACTION EQUATION 5 10 5 4 TRACE HISTORY 5 12 5 4 1 INTRODUCTION 5 12 5 4 2 CONFIGURATION PAGES 5 12 CHART SPEED 5 12 MAGNIFICATION FACTOR 5 12 MAGNIFICATION CENTRE 5 12 CHANNEL SELECTION 5 13 HISTORY ACTION EQUATION 5 13 5 5 RANGE MAGNIFY 5 14 5 5 1 INTRODUCTION 5 14 MAGNIFICATION CENTRE MEASURING CHANNELS 5 14 EXAMPLE 5 14 MAGNIFICATION CENTRE DERIVED CHANNELS 5 14 5 5 2 RA...

Page 82: ... 29 BAUD RATE 5 29 PARITY 5 29 FLOW CONTROL 5 29 DISABLE SCHEME 5 29 GROUP ID G 5 29 UNIT ID U 5 29 5 7 4 PROTOCOL 5 31 TERMINOLOGY 5 31 POLL RESPONSE 5 32 SELECTION SEQUENCE 5 33 5 7 5 PARAMETER ACCESS 5 34 PARAMETER TABLES 5 34 5 7 6 DATA FORMATS 5 43 5 7 7 CHARACTER SET 5 46 5 7 8 BASIC PROGRAM 5 48 5 7 9 C PROGRAM 5 50 5 7 10 COMMUNICATIONS PROBLEMS 5 58 5 8 RETRANSMISSION OPTION 5 59 5 8 1 IN...

Page 83: ...eys are used to select a relay for configuration If all 16 relays are fitted then relays in slot 3 are relays one to six relays in slot 4 are numbers seven to 12 and relays in slot 5 are numbers 13 to 16 Operation of the ENTER key calls the next configuration page RYNN Type Type The up down side arrow keys are used to choose action equation totaliser or OFF as relay type Figure 5 1 Relay configura...

Page 84: ...totaliser the up down arrow keys are used to select a totaliser number between 1 and 6 and the ENTER key is operated TOTALISER COUNTER OUTPUT OPTION This feature permits the use of a separately specified output relay to re transmit the totaliser count for use by an external counter or sampling system Output counts can either be on a one for one basis with the totaliser counts up to 50 second or a ...

Page 85: ... also be used to define a ratio of measured counts per second to totalised counts Event input sourceThe totaliser factor defines the scaling ra tio of input counts to totalised counts EXAMPLES 1 To enter in seconds as required a time rate measured in hours the factor is the number of seconds in an hour 60 x 60 3 600 which can be written as 3 6 x 1000 or alternatively 3 6 x 103 When written in such...

Page 86: ...ser factor Enter totaliser units text Enter totaliser preset value Enter low cut off value Enter high cut off value Set totaliser resettable or non resettable Edit reset equation Enter totaliser descriptor string Option Option Set output counter on or off Edit output factor Input channels Derived variable channels Event inputs Preset types only Enter reset equation items C Enter factor mantissa En...

Page 87: ...ror Source ranging in this case should be 0 to 3 000 where each 0 001 would represent 1 count To make a totaliser count more slowly the factor is increased Directly totalising 30 000 gallons per minute a factor of 6 0000 E 1 would add 43 200 000 counts per day and overflow the totaliser counter in 23 days If the Factor were scaled to count in thousands rather than units by changing the factor from...

Page 88: ...s The high cutoff stops totalisation above the entered cutoff Value The default setting is the over range value The high cutoff is set using the up down side arrow keys TOTALISER RESET TT1 Resettable No This choice determines whether a totaliser can be reset As long as this password protected choice is NO the totaliser cannot be reset Action equation and operator menu choices have no effect The up...

Page 89: ...counts The maximum rate for this trigger is 8 pulses per second and each trigger pulse is ON for 50 milliseconds Refer to the totalisation factor above for a description of this type of powers of 10 factor As with the normal totalisation factor previously described the mantissa and exponent portions of the factor are entered on separate pages by means of the up down side arrow keys DESCRIPTOR TT1 ...

Page 90: ...r the library of message characters and numbers When scrolling through the character listing the speed of the scroll increases after the first six characters and again after the next six characters Stopping the scroll causes a return to the initial slow speed 5 3 2 COLOUR SELECT The up down arrow keys are used to select the colour violet red black green blue or brown in which the message is to be ...

Page 91: ...3 CUSTOM MESSAGE Cont Figure 5 3 Custom message configuration menu arrangement Select custom message number Enter up to 16 characters as a message Select message colour Edit action equation Enter action equation items Operation of the key causes a return to the previous higher menu level C ...

Page 92: ...the event which triggered history The post event data is then played back on the chart at maximum speed after the trace history Replay ends when it catches up with real time or when the content of the chart buffer has been printed Current data is followed by the printing of all history scales in Break trace Mode chart timing is interrupted 5 4 2 CONFIGURATION PAGES CHART SPEED This selection deter...

Page 93: ...EL SELECTION Press Enter to review or change the listing of the channels that will be magnified when history is replayed Use the up down side arrow keys to enter the channels to be Magnified when History is replayed HISTORY ACTION EQUATION Press Enter to review or change the action equation which is to initiate trace history This Action Equation defines the internal triggers that are to activate t...

Page 94: ...e magnified range normal range divided by the magnification factor is 1200 6 200 C The range 100 C is centred about the centre value giving a new scale of 900 100 C i e 800 to 1000 C If the centre value lies outside the normal range it is ignored and the magnified range is centred about the process value existing at the time of Range Magnify initiation In such a situation on chart printing is assu...

Page 95: ...ame factor Use the Up Down Arrow keys to select channels to Magnify MAGNIFICATION ACTION EQUATION The ENTER key is operated to review or change the action equation which will activate range magnify This equation defines the internal triggers that are to activate the range magnify function See section 3 4 for a discus sion of internal triggers and action equations The up down side arrow keys are us...

Page 96: ...w peak Lowest value since reset Average Single point average Polynomial B CA DA2 EA3 The specialised functions are Log 10 B x log10A Power 10 B x 10A Flow Sq Rt Mass flow Square Law Flow Linr Mass flow Linear F value Sterilization F value Fo RH Relative humidity ZrO2 Sensor Zirconia oxygen probe Nernst oxygen equation Note To clarify the presentation of this section the above formulae use letters ...

Page 97: ...ut 2 Divide Divide Input 1 by input 2 Should input 2 be or become 0 the output goes to 99999 Multiply Multiply Input 1 by input 2 Lin Slope ax b function where x is input 1 a slope is input 2 and b offset is input 3 High select High Select The value is the higher of IN1 or IN2 values Low select Low Select The value is the lower of IN1 or IN2 values High peak High Peak The value is the highest valu...

Page 98: ...stant B Input 4 constant C Input 5 constant D Log 10 Log to the Base 10 Output is input 2 x log10 input 1 where input 1 is the variable and input 2 is a scaling factor Power 10 Power of 10 Output is input 2 x 10input 1 where input 1 is the variable and input 2 is a scaling factor Input 1 must lie between 30 and 30 or else the output is 0000 0 Flow Sq Rt Square Root Mass Flow AGA 3 Gas Flow where I...

Page 99: ...m to zero Should Input 3 z value ever be zero the output limits at 99999 RH Relative Humidity The relative humidity equation requires the following inputs Input 1 wet bulb temperature in C Input 2 dry bulb temperature in C Input 3 atmospheric pressure in BAR Input 4 psychrometric constant 6 660 x 10 4 ZRO2Sensor ZrO2 Sensor Zirconia Oxygen Probe The output is the partial pressure of oxygen where I...

Page 100: ...from 100 to 1000 l s DV1 Low Select Input from Transmitter No 1 cannot go above 100 when flow is greater than 100 litres sec DV2 High Select Input from Transmitter No 2 cannot go below 0 0 when flow is less than 100 l s making Scaled flow less than 0 DV3 Add Adds the two scaled inputs At full flow 900 100 1000 Ch4 Chart Range 0 to 1000 litres per second Source DV3 Transmitter 1 0 to 100 GPM Transm...

Page 101: ...KSHEET FOR TWO TRANSMITTER EXAMPLE DV Type Input 1 4 5 3 2 1 2 3 LSL HSL ADD Ch1 Ch2 DV1 DV2 Low select prevents channel 1 signal from going above 100 constant value High select prevents channel 2 signal from going below 0 constant value Adds low and high range inputs to give total flow Out to Reset by DV3 DV3 Chan 4 ...

Page 102: ...ariable The definition of these variables is given in the next section One further requirement is to define the trace colour MAGNIFICATION CENTRE The operation of the Magnification Centre feature for derived channels is the same as that described in section 4 8 for measuring channels with the exception that the High and Low range inputs in the derived channel con figuration can be used to enable d...

Page 103: ...rrangement Select derived channel number Select trace colour Operation of the key causes a return to the previous higher menu level C Set DV source on or off Set function units Set decimal point position Enter chart low value Enter chart high value Set trace on or off Set interpolation on or off Enter mag centre low value Enter channel descriptor C Enter mag centre high value ...

Page 104: ...e Operation of the ENTER key calls the mantissa and exponent pages for the constant Constants are entered on two pages the mantissa page and the exponent power of 10 page The constant is entered as a number between 0 and 9 9999 on the mantissa page followed on the exponent page by the relevant power of 10 in the range 30 to 30 Thus a constant of 6 25 would have an entry in the mantissa page of 6 2...

Page 105: ...Select derived variable dv number Enter any constant s for this dv Operation of the key causes a return to the previous higher menu level C Edit dv reset equation Enter descriptor text for DV Enter units text for DV Set decimal point position Select maths function for this dv Select input sources for function C Enter factor mantissa Enter factor exponent Enter action equation items C ...

Page 106: ...ng the up down side arrow keys as described in section 4 4 DERIVED VARIABLE UNITS DV1 Units The derived variable units entry is a character string of up to 5 characters The string appears whenever the associated dv appears The descriptor string is entered using the up down side arrow keys as described in section 4 4 DERIVED VARIABLE DECIMAL POINT The currently selected decimal position is shown Th...

Page 107: ...ors are shown in figure 5 7 2b below If the communications board is fitted with event input circuitry then the connectors are also as shown below otherwise a blanking piece is fitted WIRING The Tx and Tx terminals of the recorder are connected to Tx and Tx of all the other recorders in the commu nications link and to the Rx and Rx connections respectively of the host computer The Rx and Rx termina...

Page 108: ...gnal ground and the Tx terminal must be pulled up to 5 Volts using 470Ω resistors As the Terminating Resistor has to be fitted at the end of the link it is recommended that the biassing resistors are also fitted there as shown in figure 5 7 2 above For resistor type see under Terminating Resistor above Figure 5 7 2b Communications link connector locations CAUTION DAMAGE WILL BE CAUSED TO THE TERMI...

Page 109: ...gh even odd and none as the available parity settings When using seven data bits odd or even setting may be used With 8 bits only none may be used success fully FLOW CONTROL The up down arrow keys are used to scroll between none and XON XOFF DISABLE SCHEME The up down arrow keys are used to scroll between Read Write and Read only GROUP ID G The up down arrow keys are used to scroll through 0 to 15...

Page 110: ...MUNICATIONS CONFIGURATION Cont Figure 5 7 3 Communications configuration menu arrangement Select Baud rate Select read write or read only Operation of the key causes a return to the previous higher menu level C Enter group ID 0 to 15 Enter unit ID 0 to 15 Set parity Select flow control on or off C ...

Page 111: ...tood The sequence of characters used to poll a parameter is EOT G G U U CN C1 C2 ENQ where the various parts of the sequence have the following meanings EOT End of text This character resets the data lines and causes all the recorders to examine the next four characters to see if they match the address set up in the configuration pages G Group address This should match the Group ID of the relevant...

Page 112: ...containing the parameter value requested The number of characters sent depends on the format of the particular parameter These formats are detailed later in this docu ment ETX End of Text This character terminates the data transmission and alerts the host to the fact that the next character to arrive will be the block check control BCC byte BCC Block Check Control This is a form of data checking t...

Page 113: ... respond with a NAK The host must now initiate a complete new selection sequence If the group or unit address is not recognised the recorder will make no response Each bit in the two Hex bytes making up the ASCII character is compared with the equivalent bit in the ASCII character it is being XORed with I E the two bits 0 are compared the two bits 1 are compared and so on If both bits are 0 the re...

Page 114: ...hannel 3 or relay 4 4 Derived channel 1 or relay 5 5 Derived channel 2 or relay 6 6 Derived channel 3 or relay 7 7 Relay 8 8 Relay 9 9 Relay 10 A Measuring channel 1 Alarm 1 A11 Relay 11 B Measuring channel 1 Alarm 2 A12 Relay 12 C Measuring channel 1 Alarm 3 A13 Relay 13 D Measuring channel 1 Alarm 4 A14 Relay 14 E Measuring channel 2 Alarm 1 A21 Relay 15 F Measuring channel 2 Alarm 2 A22 Relay 1...

Page 115: ...described in section 5 7 6 Format 3 consists of 16 characters each of which can contain the hex value 0 to F where each of the hex bits set refers to a particular trigger In order to clear an action equation the value 0000 0000 0000 0000 is sent to clear all bits The gaps between the above groups of four bits are inserted only for clarity They must not be included in the data string ...

Page 116: ...7 5d 5 7 5d 5 7 5d 5 7 5d 5 7 5d 5 7 5d 5 7 5c 5 7 5c 5 7 5c 5 7 5c 5 7 5d 5 7 5h 5 7 5h 5 7 5h 5 7 5h 5 7 5h 5 7 5h 5 7 5h 5 7 5h 5 7 5h 5 7 5h 5 7 5g 5 7 5g 5 7 5g 5 7 5g 5 7 5g 5 7 5g 5 7 5g VA VU V3 EE ID II LQ LG TC BE BF CF V1 PM ZF ZQ ZC RQ RS DS 0 F ST SS SK Tc Ts Td Tl Te OC TO TT TF TH TL TR VP TL TE SO TY UT TV HQ HC HM V0 DV Calcs reset action equation DV calculation units History char...

Page 117: ... Communications error 7 Invalid message 8 Bad message content Instrument ID as entered in the instrument menu Instrument type Always returns 0346 Print mode 00 No print 01 Overprint 02 Break trace Softkey operator access enable 00 Softkey does not appear in menu access disabled 01 Softkey appears in menu access enabled Alternative chart spd action equation See note page 5 35 Softkey descriptor up ...

Page 118: ...iation alarm 01 Absolute high 04 Rate of Change rising 02 Absolute low 05 Rate of Change falling Alarm message Allows a 16 character message to be printed on alarm Relay status Energisation status for relays De energised in alarm 0 energised 1 de energised default Relay 1 Relay 2 Relay 3 Relay 4 Relay 5 Relay 6 Relay 7 Relay 8 Relay 9 Relay 10 Relay 11 Relay 12 Relay 13 Relay 14 Relay 15 Relay 16 ...

Page 119: ...ation alarm 01 Absolute high 04 Rate of Change rising 02 Absolute low 05 Rate of Change falling Alarm message Allows a 16 character message to be printed on alarm Relay status Energisation status for relays De energised in alarm 0 energised 1 de energised default Relay 1 Relay 2 Relay 3 Relay 4 Relay 5 Relay 6 Relay 7 Relay 8 Relay 9 Relay 10 Relay 11 Relay 12 Relay 13 Relay 14 Relay 15 Relay 16 R...

Page 120: ......

Page 121: ...04 Multiply 14 Mass flow square root 05 Linear slope 15 Mass flow linear 06 High select 16 Sterilization constant 07 Low select 17 Relative humidity 08 High peak 18 Zirconia probe 09 Low peak DV Calculation constant Defines the mantissa and exponent for each constant See format 8 definition in table 5 8 6a for details DV calculations reset action equation Specifies triggers to reset a DV calculati...

Page 122: ...e colours 00 violet 03 green 01 red 04 blue 02 black 05 brown Custom message manual trigger Writing any value to this parameter causes the selected custom message to be printed Channel entry 0 to 9 Message 1 to 10 respectively Custom message texts 1 to 10 16 character alpha numeric message Miscellaneous operator bits Toggle various commands on and off Low to high transition cancels instrument alar...

Page 123: ...r negative values DDDD D DDDD D For negative values DDD DD DDD DD For negative values DD DDD DD DDD For negative values D DDDD D DDDD For negative values 7 21 10 A nine digit decimal number with the decimal point after the final character i e DDDDDDDDD 8 25 15 A scientific notation decimal number with a five digit mantissa and two 20 6 digit exponent The sign before the mantissa is optional but or...

Page 124: ...on is required to causes a log to occur whenever any of the totalisers TT1 to TT6 Timer 4 TM4 or Alarm four of channel one A14 gives an output In order to achieve this parameter LQ would have the value 003F080000000040 as follows EXAMPLE 2 An ENQ of parameter SQ alternative chart speed action equation results in the return of the value 0000110100000001 Characters 5 6 8 and 16 all have the value 1 ...

Page 125: ...No No Yes Yes 2 A31 No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes 1 Hex 0 1 2 3 4 5 6 7 8 9 A B C D E F A64 No No No No No No No No Yes Yes Yes Yes Yes Yes Yes Yes 8 A63 No No No No Yes Yes Yes Yes No No No No Yes Yes Yes Yes 4 A62 No No Yes Yes No No Yes Yes No No Yes Yes No No Yes Yes 2 A61 No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes 1 Hex 0 1 2 3 4 5 6 7 8 9 A B C D E F A5...

Page 126: ...e character as shown in the table The characters in table 5 7 7b can only be transmitted to the recorder using the ESC key followed by the hex value of the character as shown in the table For example to send a degree symbol the keys ESC B C must be used Note The symbol may not be sent directly from the keyboard If required it must be sent as ESC 2 3 Characters are transmitted by the recorder as AS...

Page 127: ...e 5 Mar 98 Section5 Page 5 47 MODEL 346 INSTALLATION AND OPERATION MANUAL 5 7 7 CHARACTER SET Cont Table 5 7 7b Character set 2 0 1 2 3 4 5 6 7 8 9 A B C D E F 8 9 A B C D MSB of character code LSB of character code ...

Page 128: ...itten to or read if permitted 40 G 2 REM Set up group address 50 U 1 REM Set up Unit address 60 C 1 REM Set up Channel address 70 M PV REM Set up parameter mnemonic 80 V 99 999 REM Set up value to be written to parameter 90 ANSWER REM Read from 34X 100 WRITE REM Write to 34X 110 On error GOTO 340 REM Use REM to disable this whilst de bugging 120 CLS 130 CLOSE 140 OPEN COM1 9600 e 7 1 AS 1 REM Set ...

Page 129: ...0 RETURN 3000 REM 3010 REM Writing 3020 WRITE CHR 4 G G U U CHR 2 REM EOT GGUU STX 3030 Q C M V CHR 3 REM CMnValue ETX 3040 WRITE WRITE Q 3050 B 0 3060 FOR N 1 TO LEN Q REM IF THE HOST SUPPORTS XOR 3070 T ASC MID Q N 1 REM REPLACE LINES 3080 TO 3190 INC 3080 FOR M 1 TO 8 REM WITH B ASC MID Q N 1 XOR B 3090 T T 2 3100 TE FIX T 3110 IF TE T 0 THEN O M 1 ELSE O M 0 3120 IF B M 0 THEN B M 1 ELSE B M 0...

Page 130: ...section 5 7 3 for the recorder to be accessed Entry of the appropriate address followed by a carriage return causes the following message to appear Enter channel number 1 to Entry of the appropriate CN table 5 7 5a for the required parameter followed by a carriage return causes the message Enter command and data no spaces e g PV12 345 or Q to quit to appear To read the current value of the relevan...

Page 131: ...to talk to a 346 include stdio h include bios h include ctype h define NUL char 0x00 define NAK char 0x15 define STX char 0x02 define EOT char 0x04 define ETX char 0x03 define ENQ char 0x05 define ACK char 0x06 define TRE 0x8000 void send_byte int char void send_address int char void init_port int int char poll_value int char char char char char select_cmd int char char char char char get_reply in...

Page 132: ...TURNS Void NOTES Supported Baud rates are 300 600 1200 2400 4800 and 9600 Supported ports are COM1 4 0 3 void init_port port baud int port baud unsigned status service databyte switch baud case 300 baud _COM_300 break case 600 baud _COM_600 break case 1200 baud _COM_1200 break case 2400 baud _COM_2400 break case 4800 baud _COM_4800 break default case 9600 baud _COM_9600 break service _COM_INIT _CO...

Page 133: ...NTS port port offset RETURNS A character via the BIOS routines NOTES If there is no byte to get this will lock up on an XT or time out after 1 sec on an AT char get_byte int port return char _bios_serialcom _COM_RECEIVE port 0 0x7f FUNCTION GET BYTE FILT DESCRIPTION This routine gets a single character byte from the comms port but allows for a latency time delay in the first character ARGUMENTS po...

Page 134: ...LECT CMD DESCRIPTION This routine selects the 34X instrument ARGUMENTS port port offset addr pointer to instrument address GGUU cmd pointer to command to be used chan pointer to channel character reply pointer to reply buffer RETURNS Should return ACK but also NUL ETX EOT or NAK NOTES char select_cmd int port char addr char cmd char chan char reply char bcc send_address port addr send_byte port ST...

Page 135: ...cc NUL Initialise BCC int i 25 Wait for first non NUL character of the reply if reply get_byte_filt port NUL return NUL Timeout return NUL Receive the rest of the message while reply ETX reply EOT reply ACK reply NAK i 0 if reply STX In case another STX arrives bcc NUL Re initialise BCC else bcc reply XOR with current character reply get_byte port Verify the message checksum if reply ETX bcc reply...

Page 136: ... port offset addr Pointer to instrument address GID GID UID UID cmd Pointer to the command to be used chan Pointer to channel character reply Pointer to reply buffer RETURNS Should returnETX but also NUL EOT ACK and NAK NOTES char poll_value int port char addr char cmd char chan char reply send_address port addr send_byte port chan while cmd NUL send_byte port cmd send_byte port ENQ return get_rep...

Page 137: ... e g 2211 void gets address command 0 _ for void printf Enter channel number 1 to void gets chan void printf Enter command and data no spaces e g PV12 345 or Q to quit void gets command if strcmp command Q strcmp command q exit 0 if command 2 NUL Read if poll_value port address command chan reply NUL if strlen reply 0 void printf nChk Sum Failed n else void printf nNo reply n else if reply 0 EOT v...

Page 138: ...sed when writing an alpha numeric or Hexadecimal string Alpha numeric values MUST be preceded by an apostrophe and Hex values must be preceded by The format tables 5 7 6a and b explain the various formats used Failure to ensure this will result in a NAK being returned 3 If the wiring is incorrect e g Tx and Tx crossed over it is possible that the host will pick up a reflection and instead of No Re...

Page 139: ... voltage output is required the signal is taken from an integral 250 resistor If the output set up in the menu is defined as 0 to 20 mA then the equivalent voltage range appearing across the resistor will be 0 to 5 Volts if the output is defined as 4 to 20 mA then the equivalent voltage range will be 1 to 5 Volts Figure 5 8 1 Re transmission terminal locations CAUTION DAMAGE WILL BE CAUSED TO THE ...

Page 140: ...g re transmitted RE TRANSMISSION OUTPUT RANGE The up down arrow keys are used to scroll between 0 to 20 or 4 to 20 mA for the output range If voltage outputs are required a range of 0 to 20 mA will give a voltage range of 0 to 5 Volts a range of 4 to 20 mA will give a voltage range of 1 to 5 Volts RE TRANSMISSION LOW AND HIGH OUTPUTS These two pages allow values to be assigned to the output range ...

Page 141: ...ncerned a Connect V re transmission terminal to the input channel s terminal b Connect C re transmission terminal to the input channel s terminal c Connect re transmission terminals I and V together using a short link or jumper Note The above steps must be carried out before the calibration is started or the calibration process will fail CALIBRATION Referring to section 6 3 as necessary access the...

Page 142: ...to 20 mA or 4 to 20 mA current loop Physically the option consists of two circuit boards and associated output terminal blocks located in the rear terminal cover of the recorder Figure 5 9 shows an overall view of the option User outputs Transmitter power supply fuse Transmitter power supply fuse Plastic cover retaining screw Output 1 Output 2 Output 3 Output 1 Output 2 Output 3 User outputs Figur...

Page 143: ... of the recorder The Safety Earth connection must still be made to the Earth stud as indicated in figure 2 3 FUSES The value of the 20 mm anti surge fuse varies according to the supply voltage as shown in the table below SIGNAL WIRING Signal wiring for a typical channel is shown below Supply Voltage 110 120 220 240 Fuse value Fuse part Number 100 mA 63 mA CH050012 CH050630 Black Black Black Red Re...

Page 144: ...Section 5 Page 5 64 HA243821 Issue 5 Mar 98 MODEL 346 INSTALLATION AND OPERATION MANUAL This page is deliberately left blank ...

Page 145: ...6 2 6 1 2 DISCLAIMER 6 2 6 1 3 EXCLUSIVE REMEDIES 6 2 6 1 4 CALIBRATION ACCURACY 6 2 6 2 INSTRUMENT ALARMS 6 3 6 3 CALIBRATION 6 5 6 3 1 CALIBRATION PAGES 6 5 PRINTHEAD 6 5 CHANNEL RANGES 6 6 CJ SENSOR 6 6 RESTORE FACTORY CONFIGURATION 6 8 VIEW OPTIONS 6 8 RETRANSMISSION OPTION 6 8 CALIBRATION PROCEDURE 6 10 6 4 PRINTING ADJUSTMENTS 6 10 6 4 1 DOT INTENSITY ADJUSTMENT 6 10 6 5 SERVICE PARTS LISTIN...

Page 146: ...nments especially high temperature high humidity corro sive or other damaging atmospheres 6 1 2 DISCLAIMER No other warranty is expressed or implied The manufacturer specifically disclaims the implied warranties of merchantability and fitness for a particular purpose 6 1 3 EXCLUSIVE REMEDIES The remedies provided above are the buyer s sole and exclusive remedies The manufacturer shall not be liabl...

Page 147: ...nge sets the Instrument Alarm If ROM Bad is reported call the supplier for service assistance At recorder initialisation the integrity of stored information and calibration data is checked and returns a fail ure message as detailed below if any of the checks fails Should the recorder determine that both the EEP ROM and RAM memories of an item have changed the recorder loads default data from the s...

Page 148: ...iable DV X is checked See section 5 6 for Derived Variable configura tion information 17 Totaliser X Each totaliser X is checked for configuration data changes See section 5 2 for totaliser configuration information 18 Timer X Both timers are checked See section 4 12 for timer configuration information 19 Custom Msg XX Each custom message XX is checked for any change in text See section 5 4 for cu...

Page 149: ...n of the pen tips relative to the chart 6 View options Operation of the ENTER key causes the options display to appear 7 Retransmission Operation of the ENTER key calibrates the output channel PRINTHEAD Change Cal Ann Carriage Operation of the ENTER key calls the display below and moves the printhead to a position just beyond chart zero By opening the display and operating the side arrow the trace...

Page 150: ...procedure is continued C1 Apply High 20 00 mV The input source should be set to the displayed value 20mV in this example Operation of the page scroll key enters the new calibration after a short delay accompanied by a Wait message at the display The process is repeated for the apply low display Should it not be practical to attain exactly the suggested input value the up down side arrow keys are u...

Page 151: ...e temp in C Restore factory configuration confirms selected channel Select pen 1 2 or 3 Options hex display Select retransmission channel 1 2 or 3 C Set carriage right avoids change C Apply low signal Wait Wait Wait Set carriage left avoids change C Set carriage right avoids change C Calibrate selected channel confirms C Wait Select Calibration item to change Wait Annotator carriage Input channel ...

Page 152: ...f 16 hexadecimal characters used to display the combination of options fitted to the recorder in question The table below shows the interpretation of these characters Character 1 is at the left hand end of the display character 16 at the right hand end RETRANSMISSION OPTION PRE CALIBRATION WIRING Note Before carrying out the calibration of a retransmission channel the following procedure must be c...

Page 153: ...s Yes No No No Yes Yes Yes No No 8 0 2 4 6 A C E Derived channel 3 Yes No No No Yes Yes Yes No No No Yes Yes Yes No No 5th character values Totaliser 2 Totaliser 1 Interpretation 4 0 1 2 3 5 6 7 Totaliser 3 B 8 9 A C D E F Totaliser 4 No No Yes Yes Yes Yes No No No No Yes Yes Yes Yes No No 6th character values 0 4 8 C No No Yes Yes No Yes No Yes Interpretation Totaliser 6 Totaliser 5 Yes No No Yes...

Page 154: ...MENTS 6 4 1 DOT INTENSITY ADJUSTMENT If the recorder is mounted with the rear of the case lowered in a sloping panel it may be necessary to increase the printhead force to regain dot intensity lost as a result of panel angle Conversely if the rear of the case is raised it may be desirable to decrease dot intensity to obtain the sharpest printing and longest pen life Access to the pen force adjustm...

Page 155: ...6 DESCRIPTION PART NUMBER DESCRIPTION PART NUMBER PRINT TRAY Printhead colour cartridge LA128969 Print carriage motor LA204026 Digital Display LA204096 CHARTS Roll chart xxx divisions GD128971Uxxx Z fold chart xxx divisions GD128970Uxxx Where xxx Number of chart divisions required Choose from 040 045 050 060 070 075 CASSETTES Chart Motor LA246818 Roll chart cassette Auto take up LA243070 Take up s...

Page 156: ...Section 6 Page 6 12 MODEL 346 INSTALLATION AND OPERATION MANUAL HA243821 Issue 5 Mar 98 This page is deliberately left blank ...

Page 157: ...IVED CHANNELS A 8 A4 0 INSTRUMENT CONFIGURATION A 10 A5 0 ALARM CONFIGURATION A 12 A6 0 RELAY CONFIGURATION A 15 A7 0 TOTALISER CONFIGURATION A 16 A8 0 LOGGING CONFIGURATION A 18 A9 0 CUSTOM MESSAGE CONFIGURATION A 19 A10 0 TIMER CONFIGURATION A 20 A11 0 TRACE HISTORY CONFIGURATION A 22 A12 0 RANGE MAGNIFY CONFIGURATION A 23 A13 0 DERIVED VARIABLE CONFIGURATION A 24 A14 0 COMMUNICATIONS CONFIGURAT...

Page 158: ...Annex A Page A 2 HA243820 Issue 5 Mar 98 MODEL 346 INSTALLATION AND OPERATION MANUAL This page is deliberately left blank ...

Page 159: ...ion configuration 11 Range magnify option configuration 12 Derived variable option configuration 13 Communications option configuration 14 Retransmission option configuration The remaining two main menu displays View instrument alarms and Calibration change are not discussed in this annex Full details appear in section 6 of the manual A1 1 CLEAR KEY OPERATION The Clear key has two functions as fol...

Page 160: ...safely Once the pprinthead has been changed the up or down arrow key is used to set pen park to OFF Alarm configuration None This page appears only if operator access to alarm set up has been enabled in the Instrument Configuration If access is allowed then the operator can configure alarms as described in the alarm configuration section of this manual Batch Number None This page allows the up dow...

Page 161: ...s Enter batch number Initiate log printing Select timer for display Select range mag on or off Start printing replay history Select altern ative chart speed on or off Inhibit alarm message priniting Select derived variable to be displayed Reset a selected DV Initiate printing of selected message Set time and date If enabled in instrument menu If option fitted If option fitted If option fitted If o...

Page 162: ...annel display left and right respectively between X XXXX and XXXXX Units Str Text entry This page appears only if Prog Units has previously been selected The up down and side arrow keys are used to enter a units string as de scribed in section 4 4 of this manual Input type Ohms Millivolts Defines the type of input to be connected to the input amplifier See Volts Thermocouple section 2 4 for hardwa...

Page 163: ...nal selected enter external temperature in Instrument config Set function type Select function units Set decimal point position Enter units string Select input type Set function low high range Set input low high range Only if Prog units selected as function units Set chart low high range Not thermocouple linearisations Set trace on off adaptive Set interpolation on or off Select colour for channel...

Page 164: ...on for the channel display left and right respectively between X XXXX and XXXXX Units Str Text entry This page appears only if Prog Units has previously been selected The up down and side arrow keys are used to enter a units string as described in section 4 4 of this manual Chart low None The up down and side arrow keys are used to enter chart zero Chart high None The up down and side arrow keys a...

Page 165: ...ct channel 7 to 9 to be configured Derived channels Only if Prog units selected as function units Enter password Select trace colour Set chart low high range Enter low high range Enter magnification centre value Set trace on off adaptive Set decimal point position Enter units string Set interpolation on off Select units Select DV source 1 to 9 or Off Enter channel descriptor ...

Page 166: ...e chart Time Format 12 24 The up and down arrow keys are used to select the required time for mat i e 12 or 24 hour clock Chart spd Unit mm hr in hr The up and down arrow keys are used to select the required chart speed units Soft key En Yes No The up and down arrow keys are used to define whether the softkey is to be accessible from the operator menu If NO is selected the softkey on off display d...

Page 167: ...instrument configuration Enter action equation for above Select print mode Enter ID number Select time format 12 24 hr Select chart speed units Enable disable softkey access Enter softkey descriptor Enter new password Enable disable alarm access Enter custom curve Enter external cold junction temperature Main menu item Figure A4 Instrument configuration menu ...

Page 168: ...arm in channel display units Hysteresis None The up down and side arrow keys are used to enter the hysteresis for the alarm in channel display units Deadband None This display appears only if the selected alarm type is Deadband The up down and side arrow keys are used to enter the deadband value for the alarm in channel display units Note that the value set here is set both above and below the set...

Page 169: ...RM CONFIGURATION Cont Select alarm channel Select alarm configuration Select alarm number Main menu item Enter setpoint Enter hysteresis Enter deadband if applicable Set alarm print on or off Enter rate base if applicable Enter alarm message Select alarm type Figure A5 0 Alarm configuration menu ...

Page 170: ...Annex A Page A 14 HA243820 Issue 5 Mar 98 MODEL 346 INSTALLATION AND OPERATION MANUAL This page is deliberately left blank ...

Page 171: ...ual for further details The up and down arrow keys followed by Enter are used to select relay type Act Eq CI1 to CI6 TT1 to TT6 A11 to A94 The up down and side arrow keys are used to scroll through the avail GLA KEY INA LOG TM1 to TM4 able triggers for operating Act Eq Output relay types See section 3 4 of the manual for full details Once the action equation entries have been made the Enter key is...

Page 172: ...t level to be established For input signals below this value the totaliser will not be incremented Hi Cutoff None Allows a maximum count level to be established For input signals above this level the totaliser will not be incremented The default value is the channel s Overrange value full scale 10 Resettable Yes No If NO is selected the totaliser will not reset under any reset equation or operator...

Page 173: ... Cont Select totaliser type Select totaliser to be configured Select totaliser source Main menu item Enter totaliser units Enter preset or cutoff values Set resetability on or off Enter reset euqation Set counter output on off Set output factor Enter factor Enter descriptor Figure A7 0 Totaliser configuration menu ...

Page 174: ...o be logged to be entered Operation of the clear key causes a return to the menu Log Act Eq CI1 to CI6 TT1 to TT6 A11 to A94 The up down and side arrow keys are used to scroll through the avail GLA KEY INA LOG TM1 to TM4 able triggers for initiating the log See section 3 4 of the manual for full details Once the action equation entries have been made the Enter key is used once to confirm them and ...

Page 175: ...the colour in which the message is to be printed tobe defined Logic CI1 to CI6 TT1 to TT6 A11 to A94 The up down and side arrow keys are used to scroll through the avail GLA KEY INA LOG TM1 to TM4 able triggers for initiating message printing See section 3 4 of the manual for full details Once the action equation entries have been made the Enter key is used once to confirm them and the Clear key u...

Page 176: ...es hour and day number Clock triggers once a month on the specified date and time Minutes hour Day Month Clock triggers once a year at the specified time on the specified date Mins Hour Day Month Year Clock triggers at the time and date specified This display appears only if Clock has been specified as timer type Duration None Allows the duration in minutes of a periodic timer to be set This displ...

Page 177: ...46 INSTALLATION AND OPERATION MANUAL A10 0 TIMER CONFIGURATION Cont Select timer type Select timer to be configured Enter period or time date as appropriate Main menu item Enter reset eqn if period timer selected Figure A10 0 Timer configuration menu ...

Page 178: ... which are to be magnified during trace history to be entered Hist Act Eq CI1 to CI6 TT1 to TT6 A11 to A94 The up down and side arrow keys are used to scroll through the avail GLA KEY INA LOG TM1 to TM4 able triggers for initiating trace history See section 3 4 of the manual for full details Once the action equation entries have been made the Enter key is used once to confirm them and the Clear ke...

Page 179: ...r key the Clear key is used to return to the menu Mag Act Eq CI1 to CI6 TT1 to TT6 A11 to A94 The up down and side arrow keys are used to scroll through the avail GLA KEY INA LOG TM1 to TM4 able triggers for initiating range magnification See section 3 4 of the manual for full details Once the action equation entries have been made the Enter key is used once to confirm them and the Clear key used ...

Page 180: ...nput 13 I E Y A BX CX2 DX3 Log 10 Output input 2 x log10 of input 1 Power 10 Output input 2 x 10 input 1 Flow Sq Rt See section 5 6 Flow Linr See section 5 6 Fvalue See section 5 6 RH See section 5 6 ZrO2 Sensor See section 5 6 Input N Constant Enter a constant value for input N Channel 1 to 6 Enter the number of a measuring channel for input N DV 1 to 9 Enter the number of a derived variable for ...

Page 181: ... DERIVED VARIABLE CONFIGURATION Cont Select maths function Select derived variable for configuration Define equation inputs Main menu item Enter reset equation if applicable Enter descriptor Enter units of variable Define decimal point position Figure A13 0 Derived variable configuration menu ...

Page 182: ...ake to be enabled disabled Disable scheme Read only Read Write Allows the recorder to be configured such that the operator can read parameters but not write new values to them read only or such that the operator can both read and write values Read write Group ID None Allows a group ID to be entered as a part of parameter address Unit ID None Allows Unit ID to be entered as a part of parameter addr...

Page 183: ...nt range is available either as a current or as a voltage signal according to how the output is wired See section 5 9 for details Low limit None Allows a value in the engineering units of the source channel to be assigned to the minimum output 0 or 4 mA of the selected range High limit None Allows a value in the engineering units of the source channel to be assigned to the maximum output 20 mA of ...

Page 184: ...Annex A Page A 28 HA243820 Issue 5 Mar 98 MODEL 346 INSTALLATION AND OPERATION MANUAL This page is deliberately left blank ...

Page 185: ...m type Enter setpoint Enter hysteresis Enter deadband if applicable Set alarm print on or off Enter rate base if applicable Select relay type Enter source or action equation Select totaliser type Select totaliser source Enter factor Enter totaliser units Enter preset or cut off values Enable disable resetability Enter reset equation Set counter output on or off Set output factor Enter descriptor S...

Page 186: ......

Page 187: ...CJ Sensor 6 6 Overview 6 7 Retransmission option 5 61 6 10 Cassette Removal 2 3 Type change 3 2 INDEX C Cont Changing Cassette type 3 2 Chart Auto take up roll cassette 3 6 to 3 7 Manual roll cassette 3 3 to 3 6 Z fold Fan fold 3 8 3 9 to 3 10 Password 4 17 Pens 3 12 Supply voltage 2 6 The battery 3 13 Channel Accuracy 4 11 Adjust 4 13 Annotator trace on off 4 13 Chart low and high 4 12 Configurat...

Page 188: ...43 to 5 58 Basic program 5 48 to 5 49 C program 5 50 to 5 57 Character set 5 46 to 5 47 Configuration 5 29 to 5 30 A 26 Data formats 5 43 Parameter Access 5 34 to 5 42 Protocol 5 31 to 5 33 Wiring 4 4 Configuration Alarm 4 21 to 4 25 A 12 to A 14 Communications 5 29 to 5 30 A 26 Custom message 5 11 A 19 Derived channels A 8 to A 9 Derived variable 5 24 to 5 26 A 24 to A 25 Guide A 3 to A 28 Input ...

Page 189: ...t Derived Variable 3 21 Totaliser 3 18 Resistance thermometer wiring 2 7 Restore Factory Configuration 6 8 R Cont Retransmission 5 59 to 5 61 Calibration 6 10 Configuration 5 60 A 27 to A 28 Right arrow key 3 14 4 3 Roll chart replacement Auto take up 3 6 to 3 7 Manual 3 3 to 3 6 S Safety Notes i 3 Scroll down key 3 14 4 3 Scroll up key 3 14 4 3 Serial communications 5 27 Setpoint threshold settin...

Page 190: ...VT100 emulation 4 4 W Warrenty Statement 6 2 Wiring Back panel terminations 2 5 to 2 8 Communications 4 4 Contact Event inputs 2 7 Current inputs 2 8 Jack plug 4 4 Resistance thermometer 2 7 Retransmission 5 59 to 5 60 Serial communications 5 27 Supply voltage 2 6 Thermocouple inputs 2 6 Transmitter power supply 5 63 Voltage inputs 2 6 to 2 7 Writing system removal 2 3 Z Z fold chart replacement 3...

Page 191: ...rm AB Lundavägen 143 S 21224 Malmö Telephone 46 40 38 45 00 Fax 46 40 38 45 45 Switzerland Eurotherm Produkte Schweiz AG Schwerzistraße 20 CH 8807 Freienbach Telephone 41 55 415 44 00 Fax 41 55 415 44 15 United States of America Eurotherm Recorders Inc One Pheasant Run Newtown Industrial Commons Newtown PA 18940 Telephone 1 215 968 0660 Fax 1 215 968 0662 Web http www eurotherm com chessell e mail...

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