3216 User Guide - Elektro
Contents
1. combined setpoint and time display Note Standard is the default which shows Setpoint in Auto or Output in Manual CUSTOMER ID is a number from 0 to 9999 entered as a customised identification number for the controller CURRENT RECIPE NUMBER selects a recipe from none 1 2 3 4 or 5 the most frequently used parameters can be stored in a recipe RECIPE TO SAVE current parameter values can be saved to recipe numbers 1 2 3 4 or 5 or none Available in Level 1 and level 2 7 TIMER OPERATION A timer can be configured to operate in three different modes These can be selected in Level 2 1 Dwell timer 2 Delayed switch on timer 3 Soft start timer There are four operating states all of which are available in Level 1 Run may be initiated by pressing ry and Ly J together Reset of End State when timer has timed out may be initiated by pressing 2 ang LEI J and Lel Ack Reset during timing may be initiated by pressing and holding La and Y Note pressing Ack at this point does not reset the timer The reason for this is that if the display is on any view other than the HOME display then pressing these two buttons will jump to HOME Hold may be initiated by pressing a and Lv J To run the timer from lt hold press quickty A and Ly J again The above states may also be set by the following methods e Edge trigger a suitably configured digital input Power cycle the controller e D2. Digital Input Thermocouple PRT mA or mV 2 499 1 Digital Communications RS232 Connect directly to comms port of PC RS485 Daisy chain to further controllers comms converter 3216 Input output 1 amp output 2 Output AA Comms CT amp Digital input Quick start code supply Power Supply Input output 1 amp Output 2 Output AA Communications CT amp Digital input Relay Form C R Oo RS485 comms amp dig in L R _ LogicI O relay R__ R__ Relay relay section 3 2 Wire Sizes The screw terminals accept wire sizes from 0 5 to 1 5 mm 16 to 22AWG Hinged covers prevent hands or metal making accidental contact with live wires The rear terminal screws should be tightened to 0 4Nm 3 5lb in 3 3 PV Input Measuring Input 1 Do not run input wires together with power cables 2 When shielded cable is used it should be grounded at one point only Any external components such as zener barriers etc connected between sensor and input terminals may cause errors in measurement due to excessive and or un balanced line resistance or possible leakage currents 3 3 1 Thermocouple Input For thermocouple input use the correct compensating cable preferably shielded 3 3 2 RTD Input The resistance of the three wires must be the same The line resistance may cause errors if it is greater than 22Q 3 3 3 Linear Input mA or V A line resistance for voltage inputs may cause measurement errors For volts input
3. an external module is required Input resistance 100KQ For mA input connect burden resistor of 2 49Q across the and input as shown 3 4 AA Output Relay Optional Changeover relay Form C rated 2A 264Vac resistive 3 5 Input Output 1 Relay or Logic Optional This may be an input or an output Relay output normally open Form A 2A 264Vac resistive OR Logic output to drive SSR not isolated Logic level On High 12Vdc at 5 to 40mA max Logic level Off Low lt 100mV lt 100uA OR Digital Input contact closure 3 6 Output 2 Relay or Logic This is optional and is output only It may be relay or logic output as output 1 General Note About Relays and Inductive Loads High voltage transients may occur when switching inductive loads such as some contactors or solenoid valves Through the internal contacts these transients may introduce disturbances which could affect the performance of the instrument For this type of load it is recommended that a snubber is connected across the normally open contact of the relay switching the load The snubber recommended consists of a 15nF series connected resistor capacitor typically 15nF 100Q A snubber will also prolong the life of the relay contacts WARNING When the relay contact is open or it is connected to a high impedance load the snubber passes a current typically 0 6mA at 110Vac and 1 2mA at 240Vac It is the responsibility of the installer to ensure that this
4. current does not hold on the power to an electrical load If the load is of this type the snubber should not be connected 3 7 Digital communications Optional Digital communications uses the Modbus protocol The interface may be ordered as RS232 or RS485 2 wire For further details see Series 2000 Communications Handbook Part No HA026230 3 8 Current Transformer Logic Input Optional A current transformer can be connected directly to the controller to monitor the actual current supplied to an electrical load A digital logic input from a volt free contact can be configured to select Setpoint 2 Keylock Run Hold Reset Alarm Acknowledge or Auto Manual The common connection is shared for each of these inputs and is therefore not isolated 3 8 1 Current Transformer Input CT input current 0 to 50mA rms sine wave 50 60HzZ input impedance lt 20Q CT input resolution 0 1A for scale up to 10A 1A for scale 11 to 100A CT input accuracy 4 of reading 3 8 2 Logic Input Digital Input Contact closure 12V 5 40mA contact open gt 500Q contact closed lt 200Q Note This supplies 12Vdc up to 10mA to terminal LA 3 9 Power Supply 1 Before connecting the instrument to the power line make sure that the line voltage corresponds to the description on the identification label For 24V the polarity is not important 3 The power supply input is not fuse protected This should be provided externally Instrume
5. out Scrolling display Tit EF ENT will be indicated Controller ramp to SP2 20 C at the set rate 20 C min max for this example SPX beacon on RUN beacon off 2 Press oJ and Le Ack Controller controlling at SP2 20 C together to reset the timer TIMER END message cancelled SPX beacon on indicating control at SP2 The timer can be run again from this point 7 4 1 To Hold the Timer While the timer is running it can be put into Hold timer stops counting down Do This The Display You Should See Additional Notes RUN beacon flashing 3 Momentarily press 4 and Ly J together RUN beacon on 4 Momentarily press 4 and Ly together to run the timer from the hold condition Scrolling display Tift EF Controller continues controlling at SP1 70 C 7 4 2 To Reset the Timer While the timer is running it can be Reset Do This The Display You Should See Additional Notes When the timer is running it cannot be reset using the Ack button s since pressing these will return the display to the HOME display 5 Press and hold La and Ly J together If reset T REMN and T ELAP stay at their values prior to reset These reset to their start values when the timer is run again 7 4 3 Power Cycling If the power is turned off when the timer is running it will come back on as follows For a Dwell type timer it will come back on in Reset For a Delayed Switch on timer or a Soft Start ti
6. regulations BS7671 In the USA use NEC Class 1 wiring methods Power Isolation The installation must include a power isolating switch or circuit breaker This device should be in close proximity to the controller within easy reach of the operator and marked as the disconnecting device for the instrument Overcurrent protection The power supply to the system should be fused appropriately to protect the cabling to the units Voltage rating The maximum continuous voltage applied between any of the following terminals must not exceed 264Vac relay output to logic dc or sensor connections m any connection to ground The controller must not be wired to a three phase supply with an unearthed star connection Under fault conditions such a supply could rise above 264Vac with respect to ground and the product would not be safe Conductive pollution Electrically conductive pollution must be excluded from the cabinet in which the controller is mounted For example carbon dust is a form of electrically conductive pollution To secure a suitable atmosphere in conditions of conductive pollution fit an air filter to the air intake of the cabinet Where condensation is likely for example at low temperatures include a thermostatically controlled heater in the cabinet Over temperature protection Where damage or injury is possible we recommend fitting a separate over temperature protection unit with an independent temperature sensor which
7. 3216 PID Temperature Controller Installation and Basic Operation 1 WHAT INSTRUMENT DO I HAVE Thank you for choosing the 3216 Temperature Controller This User Guide takes you through step by step instructions to help you to install wire configure and use the controller For features not covered in this User Guide a detailed Engineering Manual Part No HA027986 and other related handbooks can be downloaded from www eurotherm co uk Depending on how it was ordered the controller may need to be configured when it is first switched on The ordering code is shown on a label fixed to the side of the controller The hardware installed and the way in which it has been configured may be checked against the ordering code at the bottom of this page 1 1 Dimensions 90mm 3 54 in 48mm 1 89in a Latching ears l Panel retaining clips Label showing IP65 Sealing Gasket Order Code Serial Number including date of manufacture mm Invensys EVROTHERM 3216 User Guide Part No HAO27985 Issue 1 0 June 03 1 2 Step 1 Installation This instrument is intended for permanent installation for indoor use only and enclosed in an electrical panel Select a location which is subject to minimum vibrations and the ambient temperature is within 0 and 55 C 32 122 F The instrument can be mounted on a panel up to 15mm thick To ensure IP65 and NEMA 4 front protection mount on a non textured surface Please read the safety inf
8. AUTOTUNE automatically sets the control parameters to match the process characteristics PROPORTIONAL BAND sets an output which is proportional to the size of the error signal Units may be or display units INTEGRAL TIME removes steady state control offsets by ramping the output up or down in proportion to the amplitude and duration of the error signal LD AMP LK AMP LD ALM STORE DERIVATIVE TIME determines how strongly the controller will react to the rate of change in the process value It is used to prevent overshoot and undershoot and to restore the PV rapidly if there is a sudden change in demand HEATING HYSTERESIS sets the difference in PV units between the output relay turning off and turning on Only shown if the control action is On Off MANUAL RESET applies to a PD only controller i e the integral term is turned off Set this to a value of power output from 100 heat to 100 cool which removes any steady state error between SP and PV RELATIVE COOL GAIN adjusts the cooling proportional band relative to the heating proportional band Particularly necessary if the rate of heating and rate of cooling are very different Heat Cool controller only CHANNEL 2 DEADBAND adjusts a zone between heating and cooling outputs when neither output is on Off no deadband 100 heating and cooling off On Off controllers only OUTPUT HIGH limits the maximum heating power applied to the process or a minimum cooling outp
9. ER STATUS is only shown if a timer is configured Allows the timer to be put into Run Hold or Reset mode DISPLAY UNITS can be selected from C F K PERC percent none SETPOINT HIGH applies a high limit to SP1 and SP2 SP LO SETPOINT LOW applies a low limit to SP1 and SP2 SP1 and SETPOINT 1 to adjust the value of the setpoint 1 SP2 SETPOINT 2 to adjust the value of the setpoint 2 SP RAT SETPOINT RATE LIMIT sets the rate of change of setpoint Limits the rate of heating or cooling T STAT UNITS SP HI and DWELL T REMN SS PWR SS SP Maa to A4 AI LAT to A4 LAT A1 BLK to A4 BLK A TUNE PB TI TIMER CONFIGURATION configures the timer type Dwell Delay Soft Start or none only when in Reset TIMER RESOLUTION selects hours or minutes only when in Reset TIMER START THRESHOLD The timer will not run until the PV becomes in range of the value set by this parameter This value can be changed when the timer is running TIMER END TYPE The action of the timer when it has timed out can be selected from Dwell control continues at the setpoint Off control outputs turn off SP2 control at setpoint 2 Can be changed while the timer is running SET TIME DURATION can be adjusted while the timer is running TIME REMAINING SOFT START POWER LIMIT TIMER SOFT START THRESHOLD ALARM 1 2 3 or 4 SETPOINT sets the threshold value at which an alarm is detected Up to four alarms are avail
10. This may be useful during commissioning or if the sensor becomes faulty and it is required to continue temporary operation of the plant until the sensor is repaired or replaced To Set The Required Temperature Press _4 to raise the setpoint or CY to lower the setpoint A Manual operation must be used with care and the power level set must be chosen such that no damage can occur to the process The use of a separate over temperature controller is recommended 5 2 4 tM I O Press and hold Ly and 4 together Huta is shown in the upper display The lower display will scroll the longer alternate description of this parameter ie LOUP MOTE AUTO MANUAL OFP To Select Manual Operation and Adjust the Output Power Press ES to select mHn This is shown in the upper display and the MAN beacon is lit The controller will return to the HOME display The upper display is the PV The lower display is the demand power Press LY J or 4 to raise or lower the power The output power is continuously updated when the buttons are pressed To Return to Automatic operation press and hold LY J and 4 together Then press LY J to select Huko 6 OPERATOR LEVELS Operator level 1 is designed for day to day operation of the controller and is not protected by a security code Level 2 provides access to additional parameters and access is protected by a security code 6 1 To Enter Level 2 From any display press and hol
11. able and are only shown if configured the mnemonic for the alarm type which may be Lo Full Scale Low bnd Deviation Band H Full Scale High dLo Deviation Low dH Deviation High ALARM 1 2 3 or 4 LATCH TYPE is used to latch the alarm condition once an alarm has been detected It may be configured as None Non latching The alarm will only be active when an alarm condition persists If the alarm is still present when acknowledged the alarm beacon will stay on An output relay associated with this alarm will remain active Automatic The alarm continues to be active until both the alarm condition is removed AND the alarm is acknowledged The acknowledgement can occur BEFORE the condition causing the alarm is removed Manual The alarm continues to be active until both the alarm condition is removed AND the alarm is acknowledged The acknowledgement can only occur AFTER the condition causing the alarm is removed Eunk Event No alarm indication ALARM 1 2 3 or 4 HYSTERESIS is the difference between the point at which the alarm switches ON and the point at which it switches OFF It is used to provide a positive indication of the alarm condition and to prevent alarm relay chatter ALARM 1 2 3 or 4 BLOCKING the alarm only occurs after the start up of the process when the alarm has first entered a safe state The alarm is only indicated the next time it is active Select YES to enable No to disable
12. d If the temperature is already above this threshold when the timer is set to run the timer will time out immediately When the timer status reset the controller is controlling at SP1 Setpoint 70 C Soft start setpoint 55 5P 50 C Output power High limit Timer soft start power limit 55 FPii R 40 Scrolling TIMER TIMER Message RUNNING END Run Reset RESET y r Digital input i BOO RUN Digital O P E run l _ E END Digital O P E End 7 4 To Run A Timer The example given here is for the simple programmer shown in section 7 1 1 with the following settings Type Dwell SP1 70 C End T SP2 20 C Ramp Rate Set to 20 C min Threshold 1 C At start of run the controller servos to PV starts at the current temperature The procedure to Run Hold or Reset is the same for all timer types At start of run controller servos to PV and therefore starts at the current temperature Do This The Display You Should See Additional Notes RUN beacon on 1 Momentarily press 4 and Scrolling display Tim ER RUNNING together Controller ramping up to SP1 70 C at the set rate 20 C min max for this example When SP1 reached the controller will control at this temperature until the end of the DWELL period set This is from the point at which the timer was set to run To ensure the dwell starts from SP1 or close to set THRES a small value eg2 i When timed
13. d oJ After a few seconds the display will show LEu f Release OJ If a button is not pressed for 20 seconds the display returns to the HOME display Press ES or Ly J to chooseLEu 2 Press zy or Ly J to enter the correct code By default this is set to ew If an incorrect code is entered the display reverts to the HOME display 6 1 1 To Return to Level 1 a Press and hold E Press 6A to select LEH I It is not necessary to enter a code when going from a higher level to a lower level When Level 1 is selected the display reverts to the HOME display 6 2 Level 1 amp 2 Parameters Press Lo to scroll through the list of parameters The mnemonic of the parameter is shown in the lower display followed once by a scrolling help message showing a longer description of the parameter The value of the parameter is shown in the upper display Press 4 or 7 to adjust If no key is pressed for a few seconds the display returns to HOME WKG SP WORKING SETPOINT is the current target setpoint It may be derived from SP1 or SP2 or if the controller is ramping see SP RAT it is the current ramp value WORKING OUTPUT is the output from the controller expressed as a percentage of full output Range 100 Max cooling to 100 max heating For a time proportioning output 50 relay or logic output on or off for equal lengths of time For an On Off output 0 to lt 1 output off gt 1 to 100 output on TIM
14. igital communications command End cannot be set it occurs automatically when the timer has counted down to zero Switching from Hold to Run through the front panel buttons is not allowable if the Hold status is forced by a logic input or through Digital Communications Timer operation is indicated by a beacon labelled RUN Timer Status RUN beacon Reset Off Run On Hold Flashing En OF Logic outputs The timer may be configured to operate an output when it is running or during the end state Note Power up the run state is selected if a Soft Start or Delay timer is configured or the Reset state is selected if a Dwell timer is configured Auto Manual is only available when the timer is in Reset Ramp Rate it is recommended that ramp rate is used only with a Dwell type timer Quick access to the timer operating parameters is available in Level 2 by pressing Le Repeat pressing of this button shows Timer Status Dwell Working Output SP1 SP2 etc 7 1 Dwell Timer A dwell timer Tl CFG DWELL is used to control a process at a fixed temperature for a defined period The action which occurs at the end of the timed period depends on the configuration of the END T parameter End State ENT T SPe duE Scrolling message RESET Digital Input RUN Digital O P Erun A END Digital O P E End Notes 1 If THRES 2 for example timer will show TIMER RUNNING with the RUN beac
15. ing h indicates the option is not fitted 2 Press A or LY J to change the character currently flashing to the code as shown in the tables below 3 Press E to scroll to the next character press E to return to the first character When all five characters have been configured in Set 1 the display will go to Set 2 4 When the last digit has been selected press 7 again the display will show E T Press 4 or Y to YE5 The controller will re start Now go to section 5 2 SET 1 i Eee In put Sensor type I O Module 1 Output Module 2 Output Relay AA Thermocouple C C Full Range Control Control Control B Type B F F Full Range H PID heat H PID heat H PID heat J Type J 0 0 100 C C PID cool C PID cool C PID cool K Type K 1 0 200 C J On off heat J On off heat J On off heat L Type L 2 0 400 C K On off cool K On off cool K On off cool N Type N 3 0 600 C Alarm 1 energised Alarm 2 energised Alarm 3 energised R Type R 4 0 800 C in alarm in alarm in alarm S Type S 5 0 1000 C 0 High 0 High 0 High T Type T 6 0 1200 C 1 Low 1 Low 1 Low C Custom 7 0 1400 C 2 Deviation high 2 Deviation high 2 Deviation high RTD 8 0 1600 C 3 Deviation low 3 Deviation low 3 Deviation low P Pt100 PRT 9 0 1800 C 4 Deviation band 4 Deviation band 4 Deviation band Linear G 32 212 F Alarm 1 de Alarm 2 de Alarm 3 de M 0 80mV H 32 392 F energised in alar
16. m energised in alarm energised in alarm 2 0 20mA J 32 752 F 5 High 5 High 5 High 4 4 20mA K 32 1112 F 6 Low 6 Low 6 Low L 32 1472 F 7 Deviation high 7 Deviation high 7 Deviation high M 32 1832 F 8 Deviation low 8 Deviation low 8 Deviation low N 32 2192 F 9 Deviation band 9 Deviation band 9 Deviation band P 32 2552 F Logic Input R 32 2912 F W Alarm ack T 32 3272 F M Manual R Run hold L Key lock P Setpoint 2 T Reset Input CT Scaling Digital Input Lower Display 1 10 Amps 2 25 Amps 5 50 Amps 6 100 Amps W Alarm Ack M Manual R Run hold L Keylock P Setpoint 2 T Reset T Setpoint P Output power R Time to run E Elapsed time 1 Alarm 1 setpoint A Amps N None In any column Unconfigured X Not fitted 5 1 1 To Re enter Quick configuration Mode This mode can always be entered by holding down the E button during power up and then entering a passcode This is defaulted to 4 Note If during normal operation a change is made to any of the parameters in the quick code list then the quick code displayed during power up will show the characters separated by decimal points The controller can be left to operate in this way 5 2 Normal Operation The controller will start up in operator level 1 and in the mode in which was last switched off AUTO is the normal closed loop temperature control mode which means that the
17. mer the controller will come back on in the Run condition and start again from the beginning 8 FURTHER LEVELS OF OPERATION Access to further levels of operation are described in the Engineering Handbook Part No HA027986 avpilable on www eurothprm co uk C This indicator meets the European directives on safety and EMC 3216 User Guide Part No HA027985 Issue 1 0E May 03
18. nt fuse ratings are as follows For 24 V ac dc fuse type T rated 2A 250V e For 85 265Vac fuse type T rated 2A 250V 3 10 Example Wiring Diagram Cooling or alarm relay 4 INSTALLATION SAFETY REQUIREMENTS Safety Symbols Various symbols may be used on the controller They have the following meaning Caution refer to accompanying documents Equipment protected throughout by DOUBLE INSULATION Personnel Installation must only be carried out by suitably qualified personnel Enclosure of Live Parts To prevent hands or metal tools touching parts that may be electrically live the controller must be enclosed in an enclosure Caution Live sensors The controller is designed to operate with the temperature sensor connected directly to an electrical heating element However you must ensure that service personnel do not touch connections to these inputs while they are live With a live sensor all cables connectors and switches for connecting the sensor must be mains rated Wiring It is important to connect the controller in accordance with the wiring data given in this guide Take particular care not to connect AC supplies to the low voltage sensor input or other low level inputs and outputs Only use copper conductors for connections except thermocouple inputs and ensure that the wiring of installations comply with all local wiring regulations For example in the UK use the latest version of the IEE wiring
19. on on but will not start counting down until the temperature is first within 2 of SP Then the threshold is ignored The DWELL period can be reduced or increased when the timer is running If it is reduced to meet the Time Elapsed the timer will change to the End state A M can only be selected when in reset If the timer is re configured to a different type or the End Type is re configured a dwell for example it may be necessary to reselect Auto mode 7 1 1 Simple Programmer A four segment programmer is achieved using a dwell type timer with the set point rate limit and threshold parameters set Ramp to Ramp to SP1 at SP2 at Scrolling TIMER input RUN Digital O P Erun 7 END Digital O P E End RESET Digital LC CC 7 2 Delayed Switch On timer The timer is used to switch on the output power after a set time When the timer status run the control output is off When the timer status reset the control output is controlling at SP1 Temperature Scrolling Message RESET Digital input RUN Digital O P Erun END Digital O P E End 7 3 Soft Start Timer The timer is used to start a process at reduced power and or reduced setpoint Timing starts at power up or when Run is selected When the Timer Status Run the controller power is limited by the soft start power limit parameter The Soft Start setpoint is a threshold which when exceeded sets the timer to en
20. ormation in section 4 before proceeding and refer to the EMC Booklet part number HA025464 for further installation information 1 2 1 Panel Mounting the Controller Prepare a square cut out in the mounting panel to the size shown Fit the IP65 sealing gasket if required behind the front bezel of the controller Insert the controller through the cut out Spring the panel retaining clips into place Secure the controller in position by holding it level and pushing both retaining clips forward 45mm 0 0 0 6 1 77 in 0 00 0 02 Peel off the protective cover from the display Recommended minimum spacing of ai controllers 10mm 38mm 04n I 1 5 in Not to scale 1 2 2 To Remove the Controller from its Sleeve The controller can be unplugged from its sleeve by easing the latching ears outwards and pulling it forward out of the sleeve When plugging it back into its sleeve ensure that the latching ears click back into place to maintain the IP65 sealing 2 ORDER CODE 3 STEP 2 WIRING 3 1 Terminal Layout Warning Ensure that you have the correct supply for your controller Check order code of the controller supplied Input Output 1 Output AA Output 2 Line Supply 85 264Vac 50 60Hz OR Low Voltage Supply 24Vac dc PV Input f gt Output AA Output 2 Changeover Relay gt pe Relay or Logic JL gt gt PV Input mA PRT T C VI a Input Output 1 Relay or Logic Output or
21. output power is adjusted automatically by the controller in response to the measurement from the input sensor In this mode you will see the display shown below Itis called the HOME display EUROTHERM Actual Temperature OP1 lit when output 1 is ON normally heating or Process Value PV OP2 lit when output 2 is ON normally cooling OP4 lit when AA output is ON SPX Alternative setpoint in use SP2 RUN Timer running MAN Manual ALM Alarm active Red q Required Temperature or Setpoint SP 2 L Page button LA Raise button Scroll button e LY Lower button When this view is first entered or oJ is pressed the lower display scrolls a help message which gives the name of the parameter being displayed e g n ORK ING In level 1 you can acknowledge alarms adjust temperature setpoint select auto or manual operation as described below 5 2 1 To Acknowledge an Alarm Press and together If an alarm is still current the red ALM beacon will flash a scrolling message will give the source of the alarm and any relay attached to the alarm will operate When acknowledged these functions will change as described in section 6 2 9 2 2 when the HOME display is being shown The new setpoint is entered when the button is released and is indicated by a brief flash of the display 5 2 3 Manual operation The controller can be set so that the output power can be adjusted directly by the operator
22. ut LOOP BREAK TIME allows a time to be set before a loop break alarm is initiated A loop break is signalled if the PV does not move towards the setpoint after the power has been saturated for the loop break time For an On Off controller LBT is not shown and loop break alarm is inhibited OUTPUT 1 2 or 4 MINIMUM PULSE TIME when the output operates it remains on for a time set by this parameter Relay outputs are adjustable from 0 1 to 150 seconds Logic outputs set to Auto 55ms This section applies to current transformer input only LOAD CURRENT is the measured load current when the power demand is on LEAK CURRENT is the measured leakage current when the power demand is off LOAD CURRENT THRESHOLD sets a low alarm trip point for the load current as measured by the CT This detects partial load failure LEAK CURRENT THRESHOLD sets a high alarm trip point for the leakage current as measured by the CT OVERCURRENT THRESHOLD sets a high alarm trip point to show over current as measured by the CT This section applies to digital communications only ADDRESS communications address of the controller 1 to HOME DISPLAY defines the parameter which appears in the lower section of the HOME display when the controller is in Operator Level This can be selected from Std Standard OP Output Power Ct Current AL1 Alarm 1 tr Time Remaining ELAP Time Elapsed when Timer is configured CLr Clear lower display blank tmr
23. will isolate the heating circuit Please note that the alarm relays within the controller will not give protection under all failure conditions Installation requirements for EMC To ensure compliance with the European EMC directive certain installation precautions are necessary as follows For general guidance refer to Eurotherm Controls EMC Installation Guide HA025464 When using relay outputs it may be necessary to fit a filter suitable for suppressing the emissions The filter requirements will depend on the type of load For typical applications we recommend Schaffner FN321 or FN612 5 STEP 3 SWITCH ON A brief start up sequence consists of a self test in which all bars of the display are illuminated and the software version is shown What happens next depends on whether the instrument is new or has been switched on before For a new controller go to section 5 1 for an instrument already configured go to section 5 2 5 1 New Controller Unconfigured When the controller is switched on it will start up showing the Quick Configuration codes This enables you to configure the controller to match the process SEE xh hm The quick code consists of two SETS of five characters The upper section of the display shows the set selected the lower section shows the five digits which make up the set Adjust these to suit your process as follows 1 Press any button The i characters will change to The first one flash
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