Gossen MetraWatt R2700 Operating Instructions Manual Download Page 2

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Summary of Contents for R2700

Page 1: ...3 349 383 03 20 6 18 R2700 Compact Controllers and Temperature Limiters Operating Instructions ...

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Page 3: ...g Outputs and the Continuous Output 23 Relay Outputs for Actuating Signals 23 Actuator Output for Contactor 24 Water Cooling 24 Extra derivative action for cooling 24 Configuration of the Controller with Continuous Output 25 Setpoint Ramps 25 Adaptive Measured Value Correction 26 Suppression of Periodic Disturbances 27 Hot Runner Control 28 Feed Forward Control 29 Parameters Configuration 30 Balan...

Page 4: ...late and which is protected with a fuse or circuit breaker with a maximum nominal current rating of 16 A The installation must include a switch or a circuit breaker which serves as a disconnecting device The controller may not be used If it demonstrates visible damage If it no longer functions flawlessly After long periods of storage under unfavorable conditions e g humidity dust or extreme temper...

Page 5: ...net at www gossenmetrawatt com by entering the search term WEEE We identify our electrical and electronic devices in accor dance with WEEE 2012 19 EU and ElektroG with the symbol shown at the right per DIN EN 50419 These devices may not be disposed of with the trash Please contact our repair and replacement parts service department regarding the return of old devices Repair and Replacement Parts S...

Page 6: ...ler discontinuous action controller 1 continuous 2 transistor 2 relay A4 Continuous split range controller discontinuous action controller 1 continuous 2 transistor 4 relay A6 Measuring Ranges Configurable measurement input B1 Thermocouple Type J L 0 900 C 32 1652 F Type K N 0 1300 C 32 2372 F Type R S 0 1750 C 32 3182 F Type B 0 1800 C 32 3272 F Type C 0 2300 C 32 4172 F Type E 0 700 C 32 1292 F ...

Page 7: ... with designation B2 for slave controllers B4 Two measurement inputs can be mutually configured as with designation B2 for differential slave and switch controllers B5 Auxiliary Voltage 85 265 V AC 48 62 Hz C1 20 to 30 V DC C2 Connectors Standard D0 Connection at rear D1 Data Interface None F0 RS 485 F1 Profibus DP F2 Configuration Default settings K0 Configured per customer requirements K9 Operat...

Page 8: ...e panel cutout from the front and secure it from behind at the top and bottom with the two included snap retainers Several devices can be mounted next to each other without separators at the side In general unobstructed air circulation must be assured when one or several devices are installed The ambient temperature underneath the devices may not exceed 50 C In order to assure IP 67 protection an ...

Page 9: ...or Outputs Cont output RS 485 Profibus DP Auxiliary voltage SP2 A1 A3 A4 A6 A4 A6 F1 F2 C1 C2 1 1 16 2 2 17 3 3 18 4 out1 4 C 19 5 5 B 20 6 out2 6 A 21 7 7 22 8 8 23 9 9 24 10 10 25 12 12 26 12 12 A1 27 14 14 28 15 15 A2 29 15 15 30 B1 B3 B4 B2 B5 Heating Cur rent Transf B3 B4 Relay Outputs A3 A6 Measurement Input 1 Meas Input 2 Relay Outputs 110 230 V A N L 24 V DC 20 mA 10 V 20 mA 10 V out 3 20 ...

Page 10: ...een entered In order to avoid erroneous settings changes must be acknowledged within 5 seconds with the key The change can be discarded by pressing the key Select off manual automatic operation Setpoint 2 active Manual operation Reduce value Switch displays levels and values see operating flow chart Figure 3 Controls Increase value Switching output for heating active Switching output for cooling a...

Page 11: ...onfigurations After password protection for device operation has been activated PASS not equal to diS changes can only be made after the correct password has been entered However changes are always possible via infrared or bus interface Disabling Self Tuning Starting self tuning by pressing the corresponding keys can be separately disabled with the configuration tunE diS However self tuning can al...

Page 12: ... Setpoint can only be set here Configuration Configuration CONFIGURE PARAMETER LEVEL If password protection for device operation is activated configuration PASS EnA the correct password must be entered in order to change values Otherwise no appears at the display if an attempt is made to change a value 1st Actual 2nd Actual With differential controller only Actual With program controller only Prog...

Page 13: ...r indication identical to automatic operating mode The actuator outputs are controlled with the scroll keys and not by the controller function Switching between manual and automatic modes is bumpless in both directions PDPI controller Manipulating factor is displayed as a percentage Value changes are forwarded immediately to the control outputs Step action controller Switching outputs can be adjus...

Page 14: ...e in mV Type J Not with standard signal U M SEnS 1 C 1 F 0 1 C 0 1 F 1 C Input quantity SEnS 0 20 4 20 dead live zero 0 20 With standard signal only Linearization SEnS Lin PH Linear titration curve Lin With standard signal only and designation F2 Controller type COut MEAS Measure only P0W Actuator 0n0F Limit transducer PdP1 2 3 step step action split range ProP Proportional actuator PdPI See page ...

Page 15: ... Setpoint 2 active LooP Controller on HAnd Manual operation tunE Start self tuning Quit Clear limit value error FEF0 Feed forward control StvP Start up active booS Start boosting LoGG Data logger recording darK dark Display only In 1 SWit Switch controller active only for B3 B5 and In 2 set2 SET3 Parameter set conversion baCk Backup function SP 2 oFF The function of the binary input has precedence...

Page 16: ... Cclo Less cooling with step action controller Hotr Hot runner heat 1ndu Induction heating al1l 1st lower limit value HEAt See page 23 out2 switching output 0ut2 Same as out1 switching output oFF Switching output selection 0ut nor As configured xCh Outputs out1 and out2 exchanged with A1 and A2 nor Only with designation A1 A4 see page 23 Relay output out3 0ut3 Same as switching output out1 but wit...

Page 17: ... current noc See page 44 Alarm 2 A2 noc ncc Operating current idle current noc Channel error mask A1 A1M1 def 1 3FFF def See page 50 Device error mask A1 A1M2 0 03FF 0 Channel error mask A2 A2M1 0 3FFF 0 Device error mask A2 A2M2 0 03FF 0 Alarm 1 AL 1 rEL AbS Relative absolute rEL See page 44 Alarm 1 AL 1 nSvP SvP Start up inhibiting off on nSUP Alarm 1 AL 1 nSto Stor Alarm memory off on nSto Alar...

Page 18: ... EnA See page 42 Setpoint staircase sp ramp Setpoint ramp step Setpoint staircases configurable with SPuP SPdn and t SP rAMP only for program controller Actuation inactive Stvp no yes no See page 28 Bus protocol Prot r260 DIN 19244 E same as R2600 Mod Modbus r217 DIN 19244 E same as R0217 hbth HB Therm r260 With bus interface only R5 485 F1 Baud rate bAUd 9 6 19 2 9 6 Not with DIN protocoll Interf...

Page 19: ... Device settings parameter set pset Act Retain active configuration dEF Load default settings GEt1 Load user configuration 1 GEt2 GEt3 GEt4 Load user configuration 4 Put1 Save active configuration as user configuration 1 Put2 Put3 Put4 Save active configuration as user configuration 4 Act Configuration per customer specification K9 is saved to the user settings All settings are overwritten during ...

Page 20: ...le Actuating cycle time is used as a time constant for an additional input filter PDPI controller and PDPI step action controller Cout PdPI The PDPI control algorithm assures short settling time without overshooting The actuating cycle is at least as long as the selected value The dead band inhibits switching back and forth between heating and cooling if no lasting deviation occurs Selection of th...

Page 21: ...the operating level to change the setpoint display mode actual value setpoint no appears briefly at the bottom display Switch controller C In SWit If a control loop has only one actuator and two sensors and if the sensor to be used depends upon the operating state the switch controller can be used As long as switch controller active has not been selected the first sensor and the first set of contr...

Page 22: ...the momentary actual value is adopted as setpoint value when the contact is closed Control is inactive and the manual operation LED lights up When the contact is open2 control is effected with the adopted setpoint value according to config uration PI Performance The differential component of the PDPI controller type can be attenuated to such an extent by activating PI performance configuration PI ...

Page 23: ...aneously for the respective controller Several switching outputs can be assigned to the same controller output for separate control of several actuators with a single controller output If a continuous and a discontinuous output are both configured for heating or cooling at the same time the channel performs like a continuous action controller and the discontinuous output is inactive If inadvertent...

Page 24: ...ater Cooling In order to account for the disproportionately powerful cooling effect which prevails when water is evaporated the cooling control variable can be read out in a modified fashion by configuring the switching output for water cooling Outx H2O Extra derivative action for cooling In controlled systems in which cooling has much better or worse thermal contact than heating control performan...

Page 25: ...lled variable the currently valid setpoint or the current measured quantities are read out The read out is scaled with the rnL and rnH parameters Setpoint Ramps Function The parameters SPuP SPdn cause a gradual temperature change rising falling in degrees per minute Activated by Switching auxiliary power on Changing the momentary setpoint activating setpoint 2 Switching from manual to automatic op...

Page 26: ...ean value is forwarded to the controller Adaptation of correction to the disturbance is matched to prevailing control dynamics and requires no further parameters Prerequisites for improved control The oscillation amplitude of the disturbance must be constant or may only change slowly The oscillation period must be less that half of the system s delay time parameter tu Due to the fact that correcti...

Page 27: ...band filtering in order to remove the signal component with the selected period which is then disregarded for measuring signal control The actual values for the display are not influenced As opposed to adaptive measured value correction see also page 26 oscillation can also be suppressed with this function whose periods are greater than half of the system s delay time Periods can be selected withi...

Page 28: ... start up setpoint after auxiliary voltage is turned on reset or after the off state has been ended or if the actual value drops to more than 40 less than the start up setpoint after a start up procedure has been completed or during dwell time Start up continues until the actual value exceeds the start up value minus 2 C The control variable is limited to the start up manipulating factor Dwell tim...

Page 29: ... to the boost time parameter The increase effects the setpoint or setpoint 2 only and has no influence on the start up setpoint or the ramp function The setpoint value and not the increase is indicated with a b in the left digit Feed Forward Control When configured as a discontinuous or continuous action controller not as a step action controller control quality can be significantly improved by me...

Page 30: ...Ramp for rising setpoints spup oFF 1 MRS 2 per min oFF See page 25 Ramp for falling setpoints spdn oFF 1 MRS 2 per min oFF Heating current setpoint see balancing amps Auto oFF 0 1 A H oFF Not with step action controller and only for designation F2 Proportional band heating pb 1 0 MRS 2 50 Proportional band cooling pb11 0 MRS 2 50 Only with 3 step controllers Dead band H C dbnd 0 MRS 2 0 Not with 2...

Page 31: ...rection Cal MBU 2 MRS 2 0 Not with standard signal Actual gain value gain 0 500 100 Decimal point position dpnt 0 0 1 0 02 0 003 0 With standard signal only Upper range limit standard signal rn h r n L 9999 100 Lower range limit standard signal rn l 1999 r n H 0 Upper range limit standard signal rn1h r n L 9999 100 for B5 only input 1 Lower range limit standard signal rn1l 1999 r n H 0 Transformer...

Page 32: ... spsv SP L SP H 0 For hot runner controllers only see pages 28 and 29 Start up manipulating factor y sv 100 100 10 Dwell time t sv 0 300 s 0 Boosting setpoint increase spbo 0 MRS 2 0 Boosting time t bo 0 600 s 0 Oscillation inhibiting tsvp oFF 0 3 25 s oFF See page 27 Parameters Display Range Standard Comments ...

Page 33: ... value Correction of a Temperature Gradient parameter GAin If the measured temperature value is not to be displayed but rather a value which deviates from it the GAin parameter is set to a value other than 100 temperature to be displayed in C 100 GAin measured temperature in C Ascertaining the Nominal Heating Current Value parameter AMPS By setting AMPS Auto control is interrupted for about 1 seco...

Page 34: ...rough the eleventh segment as well Sequence StoP The program has been completed or stopped or hasn t yet been started after a reset The controller and the actuator outputs are inactive relative limit value errors are suppressed The momentary setpoint is set to the actual value The program is started over again after it has been stopped run X The program has been started possibly automatically afte...

Page 35: ...se a constant setpoint is required for usable optimization results Select ProG diS to this end Display The displays are supplemented as follows at the operating level The momentary setpoint appears at the setpoint display when a program is running and only dashes appear after the program has been ended because there is no longer an active setpoint The setpoint cannot be changed A status display al...

Page 36: ...setpoint is reached wait no yes no Valid for all 8 programs Type of segments segs ramp step Ramps increments rAMP Valid for all 8 programs Unit of time for segments tIME M S H M Seconds minutes M S Valid for all 8 programs Duration of segment 1 MS1 0 00 99 59 0 00 Target setpoint segment 1 SP1 SPL SPH 0 C Control tracks segment 1 tr1 4321 Specified numbers designate active control tracks Duration ...

Page 37: ...9 59 End Target setpoint segment 12 SP12 SPL SPH 0 C Control tracks segment 12 tr12 4321 Segment 1 2 3 4 5 6 7 Duration MS 1 7 HM 1 7 0 40 0 30 0 20 0 50 0 00 0 50 End Setpoint SP 1 6 100 100 180 180 120 120 Tracks tr 1 6 1 1 2 2 2 Configuration Display Selection Standard Comment Setpoint Actual value Control track 1 Control track 2 ...

Page 38: ...al recorder channel or a stopwatch Configure limit transducer Cout OnOF Set read out cycle time to the minimum value tc 0 1 If possible deactivate manipulating factor limiting Y H 100 Reduce or increase the setpoint so that overshooting and undershooting do not cause any unallowable values Performing the Start Up Test dbnd MRS Setting for 3 step and split range controllers switching output for coo...

Page 39: ...s overshooting x If manipulating factor limiting was active the proportional band must be corrected Y H positive Pb I multiply by 100 Y H Y H negative Pb II multiply by 100 Y H Parameter Value tu 1 5 t t tY 4 tc tu 12 tY 100 Pb I xss 2 xss x 2 Pb II Pb I TI TII Pb I TI TII Parameters 2 step controller 3 step controller Cont action controller Split range controller Step action controller P t x xss ...

Page 40: ... value is observed at the display and if times are measured with a stopwatch dbnd 0 Setting for 3 step split range and step action controllers Activate the actuators with Automatic Operation and if applicable start the recorder Record several oscillations until they become uniform in size Measure oscillation amplitude xss Record on time TI and off time TII for the oscillations at the switching out...

Page 41: ...TII The value for tu is very inaccurate in this case It should be optimized in the closed loop control mode Closed Loop Control Mode The closed loop control mode is started after self tuning has been completed Configure the desired control algorithm with controller type Cout Adjust the setpoint to the required value For 3 step split range and step action controllers the dead band can be increased ...

Page 42: ...nt from the factory default setting Starting the self tuning function can be disabled in the configuration Self tuning is used to optimize controller dynamics i e the Pb I Pb II tu and tc parameters are set Preparation Complete configuration must be performed before self tuning is started The setpoint value is adjusted to the value which is required after self tuning Deactivate the program control...

Page 43: ... 6 minutes to 12 days Recording must be started over again each time the device is reset and data are lost if auxiliary power fails Recording can be started via a binary input with the setting LoGG YES in the configuration or via interface After the ring buffer has been filled to capacity with 3600 entries the oldest values are deleted as new ones are recorded Entries can only be read out via the ...

Page 44: ...be combined with all controller types The limiter responds to the second limit value which must be set and configured accordingly The controller is deactivated as soon as a second limit value is exceeded The controller becomes active again when there are no more limit value errors If the controller is to remain continuously deactivated the alarm memory must be activated configuration AL2 Stor The ...

Page 45: ...rent is not off when the heat is switched off The alarm is not triggered until heating current is high enough when the switching output for heating is active and when current drops to zero when the switching output for heating is inactive Monitoring is only active if discontinuous heating has been selected in the configuration and not in the case of continuous and step action controllers Threshold...

Page 46: ... monitoring must be activated before self tuning is started In the event of manual optimization or subsequent adaptation of control parameters the lower limit for the tu parameter must be observed 2 Pb I Minimum tu t t maximum temperature rise during start up Error message LE appears after approximately 2 times tu if heat remains on at 100 and measured temperature rise is too small Monitoring is n...

Page 47: ... stamp Recording is started over each time the device is reset and data are lost if auxiliary power fails Recording can be activated with the setting HISt YES in the configuration or via interfaces After the ring buffer has been filled to capacity with 100 entries the oldest entry is deleted each time a new one is recorded Entries can only be read out via the bus interface or the infrared interfac...

Page 48: ...t 1 Heatingcurrent display current error Current transformer has reversed polarity is unsuitable or defective Same as heating current monitoring alarm continues to control temperature 2 no tune Self tuning cannot be started controller sort actuator or limit transducer No response to error error display remains until acknowledged see below tune error 2 Disturbance in self tuning sequence in step 1 ...

Page 49: ...gital component monitoring Control outputs inactive 6 analog error Hardware error detected by analog component monitoring Control outputs inactive 6 Display Error Message Source Response Remedy 1 Eliminate sensor error 2 Inspect current transformer 3 Avoid disturbances which impair the self tuning sequence e g sensor errors 4 Close the control loop Check the sensor the actuators and the heater for...

Page 50: ...n be assigned to outputs A1 and A2 in a targeted fashion with the error masks The values must be added and entered hexadecimally to this end Configuration is more user friendly with the Compact Config PC tool Device error mask A1M2 and A2M2 Value Meaning Display default 0002 Heating current overrange CE A1 0004 Cold junction error CJE A1 0010 Heating current not off Blinks A1 0020 Heating current ...

Page 51: ...n sensor SE H A1 0010 Reversed polarity SE L A1 0020 1st Lower limit value fallen short of Blinks A1 0040 2nd lower limit value fallen short of Blinks A2 0080 1st upper limit value exceeded Blinks A1 0100 2nd upper limit value exceeded Blinks A2 0200 Parameter impermissible for entry via interface 0800 Heating circuit error LE A1 1000 Self tuning start up error no t 2000 Self tuning error or abort...

Page 52: ...A1 A3 Relay 0x2x A3 A6 Out1 oFF Out2 oFF Out3 HEAt Out4 oFF A1 A3 Transistor 0x3x A1 A4 Out1 CooL Out2 oFF A1 A3 Relay 0x3x A3 A6 Out1 oFF Out2 oFF Out3 CooL Out4 oFF A2 A4 A3 Transistor Transistor 0x4x 0x5x A1 A4 Out1 HEAt Out2 CooL A2 A4 A3 Relay Transistor 0x4x 0x5x A3 A6 Out1 oFF Out2 CooL Out3 HEAt Out4 oFF A2 A4 A3 Transistor Relay 0x4x 0x5x A3 A6 Out1 HEAt Out2 oFF Out3 oFF Out4 Cool A2 A4 ...

Page 53: ...rface cannot be switched to RS 232 operation The following rewiring is required The connector terminals on the R2600 can still be used because the pin assignments are identical except for a few exceptions The two plug connectors can be pulled out after loosening the lacquered screws Terminals 20 and 21 at the RS 485 bus interface have to be reversed Converting Parameters In the case of the R2700 t...

Page 54: ... Typically 1 5 W 24 V DC 20 to 30 V DC Relay output Floating NO contact common phase for switching outputs A1 and A2 Switching capacity AC DC 250 V 2 A 500 VA 50 W Service life 5 105 switching cycles at nominal load Interference suppression Utilize external RC element 100 47 nF at contactor Electrical Safety Safety class II panel mount device per DIN EN 61010 1 section 6 5 4 Fouling factor 2 per D...

Page 55: ...ocess Read out and storage of values from the data logger and from alarm history Administration of 4 parameter sets Programming of the program section 8 programs with 12 segments each The Z270I IR adapter is required in order to use the configuration tool Further information regarding accessories and the latest version of the software which can be downloaded free of charge are available on the Int...

Page 56: ...ct to change without notice PDF version available on the Internet GMC I Messtechnik GmbH Südwestpark 15 90449 Nürnberg Germany Phone 49 911 8602 111 Fax 49 911 8602 777 E Mail info gossenmetrawatt com www gossenmetrawatt com ...

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