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background image

5 F

unctions

23

5.6

Self-optimization

Self-optimization determines the optimum controller parameters for PID or PI controllers.

The following controller parameters are defined:

rt

,

dt

,

Pb:1

,

Pb:2

,

Cy 1

,

Cy 2

,

dF

The controller selects procedure a or b, depending on the size of the control deviation:

Starting self-optimization

Self-optimization is automatically terminated, or can be can-
celled.

H

Starting self-optimization is not possible with active
level inhibit and ramp function.

a) Self-

optimization
in the
approach
phase

b) Self-

optimi-
zation
at set-
point

Start

Start

x = process value
w = setpoint

Switching
level

260

tunE

i

+

d

>2s

i

+

d

b70.2040en.bk Seite 23 Mittwoch, 19. November 2008 10:15 10

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Содержание iTRON B 70.2040

Страница 1: ...RON Compact microprocessor controllers B 70 2040 Operating Instructions 2008 11 11 00357918 Type 702042 Type 702044 Type 702041 Type 702043 Type 702040 b70 2040en bk Seite 1 Mittwoch 19 November 2008 10 15 10 ...

Страница 2: ...ating instructions However if any difficul ties should still arise during start up you are asked not to carry out any unauthorized ma nipulations on the unit You could endanger you rights under the instrument warranty Please contact the nearest subsidiary or the main factory in such a case E When returning chassis assemblies or components the regulations of EN 100 015 Protec tion of electrostatica...

Страница 3: ...f the timer function 15 5 Functions 16 5 1 Process value input 17 5 2 Logic input 18 5 3 Controller 19 5 4 Limit comparator alarm contact 21 5 5 Ramp function 22 5 6 Self optimization 23 5 7 Level inhibit via code 24 5 8 Timer function extra code 25 6 Configuration and parameter tables 31 7 Alarm messages 37 8 Technical data 39 b70 2040en bk Seite 3 Mittwoch 19 November 2008 10 15 10 ...

Страница 4: ...e1 controller type configured to customer specification2 3 Inputs 888 999 inputs configurable1 inputs configured to customer specification2 4 Outputs 000 Standard Type 702040 41 Type 702042 43 44 Output 1 relay n o make relay n o make Output 2 logic 0 5V optionally configurable als logic input logic 0 5V Output 3 not available relay n o make Options Type 702040 41 Type 702042 43 44 113 Output 2 ou...

Страница 5: ...ly 16 22 23 10 18V DC 20 53V AC DC 48 63Hz 110 240V 15 10 AC 48 63Hz 6 Extra code 210 220 Timer function Timer function limit switch1 Delivery package Type 702040 41 Type 702042 43 44 1 mounting frame 2 mounting brackets 1 seal 1 Operating instructions 70 2040 b70 2040en bk Seite 5 Mittwoch 19 November 2008 10 15 10 ...

Страница 6: ...0 6 x 22 2 0 3 8mm 8mm 702041 48mm x 48mm 45 0 6 x 45 0 6 8mm 8mm 702042 48mm x 96mm 45 0 6 x 92 0 8 10mm 10mm 702043 96mm x 48mm 92 0 8 x 45 0 6 10mm 10mm 702044 96mm x 96mm 92 0 8 x 92 0 8 10mm 10mm 1 Push on seal 2 Insert instrument 3 Push on mounting brackets 4 Tighten screws Installation 702042 as 702044 b70 2040en bk Seite 6 Mittwoch 19 November 2008 10 15 10 ...

Страница 7: ... circuit in the event of a short circuit The load circuit must be fused for the maximum relay current in order to prevent welding of the output relay contacts in the event of an external short circuit Electromagnetic compatibility conforms to the standards and regulations listed under Technical Data Run input output and supply lines separately and not parallel to each other Do not connect any addi...

Страница 8: ...auto tuning self optimization cannot be expected to handle all possible control loops there is a theoretical possibility of unstable parameter settings The resulting process value should therefore be monitored for its stability All input and output lines that are not connected to the supply network must be laid out as shielded and twisted cables do not run them in the vicinity of power cables or c...

Страница 9: ...input Process value input N L1 9 8 6 5 4 3 2 1 Current 0 4 20mA Pt100 1000 KTY11 6 2 wire Pt100 1000 3 wire Thermocouple Voltage 0 2 10V Output 21 2 J J Logic output Relay floating contact Supply see label 1 V The electrical con nection must only be carried out by qualified personnel Type 702040 41 b70 2040en bk Seite 9 Mittwoch 19 November 2008 10 15 10 ...

Страница 10: ... 0 4 20 mA Pt100 1000 KTY11 6 2 wire Pt100 1000 3 wire Thermocouple Voltage 0 0 2 1 V Outputs J J Relay 250 V 3 A 7 Supply see label 10 18V DC V The electrical connection must only be carried out by qualified personnel Type 702040 41 with 2 relay outputs option b70 2040en bk Seite 10 Mittwoch 19 November 2008 10 15 10 ...

Страница 11: ...0 2 10V Output 3 Output 1 250V 3A 250V 3A Logic input Process value input 13 N L1 12 10 9 7 6 5 4 3 2 1 floating contact 2 2 Logic output Relay Relay 2 resistive load J AC DC 10 18V DC J Supply see label Type 702042 43 44 V The electrical connection must only be carried out by qualified personnel b70 2040en bk Seite 11 Mittwoch 19 November 2008 10 15 10 ...

Страница 12: ...m Display range 1999 to 9999 digit Decimal places none one two Unit C F process value display 2 Status indicators LED two LEDs for the outputs 1 and 2 yellow 3 Keys q i d for operating and programming the instrument Dynamic modification of settings and parameters h Increase value with i h Decrease value with d Automatic value acceptance after 2 seconds Example Type 702041 b70 2040en bk Seite 12 Mi...

Страница 13: ... the controller parameters and the ramp slo pe are programmed here Configuration level The basic functions of the controller are set here In order to make the settings it is necessary to change to the configuration level A via the parameter y 0 parameter level Timer level The current timer value only when the timer has been started and the timer start value are al tered here The parameters at this...

Страница 14: ...ly displayed if function is configured Ramp setpoint display only Timer value operating only different display depending on timer condition see table SP SPr ti ti ti0 configuration codes standard signal scaling process value correction switching differential of limit comparator 2s q d Normal display Operating level 2s 2s after last parameter via y 0 Time out 30s Time out or after last parameter i ...

Страница 15: ... for timer function at operating level Display State Action Display State Action Timer not running h Start with i Timer has stopped h Continue with i h Cancel with i d Timer has been started but the tolerance limit has not yet been reached h Cancel with i d Timer has run down h Acknowledge with any key timer start value t i 0 is indicated With time delayed control C120 3 acknowledge with i d Timer...

Страница 16: ... code and parameters on the instrument Configuration Masking out the parameters for Parameter Single setpoint controller Double setpoint controller Pb 2 Cy 2 db HyS 2 Double setpoint controller Limit comp for Type 702040 41 Logic input for Type 702040 411 C114 HySt AL C117 Limit comparator no function Limit comparator HySt AL Limit comparator activated Logic input for Type 702040 411 C117 Resistan...

Страница 17: ... can be corrected by a programmable amount upwards or downwards offset Lead compensation can be implemented in software for 2 wire circuit through process value correction Examples Measured value Offset Displayed value 294 7 0 3 295 0 295 3 0 3 295 0 dF Filter time constant damping to adapt the digital input filter 0sec filter off vpage 36 if dF high high damping of interference signals slow react...

Страница 18: ...nt switching Setpoint SP 1 is active Setpoint SP 2 is active The appropriate symbols SP 1 and SP 2 are displayed at the operating level Timer control Acknowledge start stop continue timer run down edge triggered Symbol Notes C117 Function of the logic input vpage 33 On Type 702040 41 the parameter C117 is masked out if output 2 has been programmed as controller output C113 or the limit comparator ...

Страница 19: ... the assignment of C113 controller type as C113 Pb 1 Proportional band 1 controller output 1 vpage 36 Proportional band 2 controller output 2 Influences the P action of the controller If Pb 0 the controller structure is not effective Pb 2 dt Derivative time vpage 36 Influences the D action of the controller If dt 0 the controller has no D action rt Reset time vpage 36 Influences the I action of th...

Страница 20: ...for controllers with Pb 1 0 or Pb 2 0 HYS 2 Y 0 Working point basic load vpage 36 Output if process value setpoint Y 1 Output limiting vpage 36 y 1 maximum output y 2 minimum output Y 2 Symbol Notes H For controllers without controller structure Pb 1 0 or Pb 2 0 it is necessary that y 1 100 and y 2 100 b70 2040en bk Seite 20 Mittwoch 19 November 2008 10 15 10 ...

Страница 21: ...Differential of limit comparator vpage 35 AL Limit value of limit comparator vpage 36 lk2 lk3 lk4 lk5 lk6 lk7 lk8 lk1 lk1 lk6 Monitoring referred to the setpoint lk7 lk8 Monitoring referred to a fixed value AL w setpoint x process value On On On On On On On On b70 2040en bk Seite 21 Mittwoch 19 November 2008 10 15 10 ...

Страница 22: ...ogic input floating contact vpage 33 rAsd Ramp slope in C h or C min vpage 36 t1 SP1 J SP2 t2 t3 t4 t5 t6 t t1 power ON SP 1 active t2 t3 power failure or overrange underrange t4 t5 ramp stop t6 setpoint switching to SP 2 ramp setpoint SPr process value b70 2040en bk Seite 22 Mittwoch 19 November 2008 10 15 10 ...

Страница 23: ... b depending on the size of the control deviation Starting self optimization Self optimization is automatically terminated or can be can celled H Starting self optimization is not possible with active level inhibit and ramp function a Self optimization in the approach phase b Self optimi zation at set point Start Start x process value w setpoint Switching level 260 tunE i d 2s i d b70 2040en bk Se...

Страница 24: ...ation levels corresponds to code 011 1 The values at the operating level can only be indicated but not modified 2 Timer operation start stop continue cancel will continue to be possible Code Operating level Parameter level Configuration level Timer level 000 enabled enabled enabled enabled 001 enabled enabled inhibited enabled 011 enabled inhibited inhibited enabled 111 inhibited1 inhibited inhibi...

Страница 25: ... to 0 either instantly or after the process value has gone above or below a programmable tolerance limit When the timer has run down several events are triggered such as control switch off output 0 and setpoint switching Furthermo re it is possible to implement timer signalling via an output w setpoint x process value S P programmed setpoint t i 0 timer start value timer signalling here C122 1 i i...

Страница 26: ...t only the setpoint ramp end value is monitored Note on setpoint switching via the logic input Setpoint switching via the logic input is generally possible An exception here is the timer function Time dependent setpoint switching In this case configured setpoint switching via the logic input will not be active Note on the display status in the event of a power failure The state of the display befo...

Страница 27: ...tpoint switching After the start of the timer function the process is con trolled to setpoint SP2 After the timer has run down the controller automatically switches over to SP1 C121 3 4 7 or 8 C121 1 2 5 or 6 Diagrams with and without start above tolerance limit Tolerance limit C121 2 or 6 C121 1 or 5 C121 3 4 7 or 8 b70 2040en bk Seite 27 Mittwoch 19 November 2008 10 15 10 ...

Страница 28: ...t i 0 is counted down to 0 The control action is independent of the timer Here too the timer run down can be signalled via an output Symbol Notes H After the timer has run down End the i d keys are used for acknowledge ment Set ti0 0s C121 1 2 5 or 6 C121 1 2 5 or 6 C122 1 Timer signalling C122 3 b70 2040en bk Seite 28 Mittwoch 19 November 2008 10 15 10 ...

Страница 29: ...he process value goes above below the tolerance limit the timer will be stopped for the duration of the infringement Response to a power failure vpage 34 After a power failure the condition before the power failure can be restored or the timer function can be cancelled If the timer had run down before the power failure the timer start value will be loaded The timer will start automatically when C1...

Страница 30: ... function time limited control C121 6 Start condition for timer via logic input keys cancellation on power failure C122 0 Timer signalling no function C123 1 Time unit timer mm ss Operation h Enter the setpoint SP 80 C h Press the q key until t i0 is indicated h Change over to the timer level using q at least 2sec h Enter the timer start value t i0_ 30 00 h Return to the operating level timer valu...

Страница 31: ... N 052 Standard signal 0 20mA 053 Standard signal 4 20mA 063 Standard signal 0 10V2 071 Standard signal 2 10V3 C112 Decimal places unit X 0 9999 C 1 999 9 C 2 99 99 C 3 9999 F 4 999 9 F 5 99 99 F q q q Pb 11 2s q y 0 q 2s X Mark your selection with a cross 1 SP 1 AL or Pb 1 is shown here depending on the configuration 2 0 1V for Type 702040 41 with 2 relay outputs option 3 0 2 1V for Type 702040 4...

Страница 32: ...output 2 20 single setpoint reversed LK timer signalling1 controller 21 single setpoint direct LK timer signalling1 controller 33 double setpoint controller output 2 controller output 1 q C114 Limit comparator LK X 0 no function 1 lk 1 2 lk 2 3 lk 3 4 lk 4 5 lk 5 6 lk 6 7 lk 7 8 lk 8 C115 Ramp function X 0 ramp function off 1 ramp function C min 2 ramp function C h q q reversed heating output is a...

Страница 33: ...r signalling 4 limit comparator timer signalling controller output 5 timer signalling controller output limit comparator 6 timer signalling limit comparator controller output 7 for 2 setpt contrl controller output 1 controller output 2 limit comparator timer 8 controller output 1 limit comparator timer controller output 2 9 controller output 2 controller output 1 limit comparator timer 10 controll...

Страница 34: ...ogic input keys timer counts 1 C from tolerance limit 4 via logic input keys timer counts 5 C from tolerance limit 5 after power ON logic input keys Cancellation of timer function StOP appears in the display 6 via logic input keys 7 via logic input keys timer counts 1 C from tolerance limit 8 via logic input keys timer counts 5 C from tolerance limit q q The start conditions with tolerance limit C...

Страница 35: ...erential of the limit comparator 0 9999digit1 1 1 For displays with one or two decimal places the value range and the factory setting change accordingly Example 1 decimal place value range 199 9 to 999 9 q C122 Timer signalling X 0 no function 1 timer start until run down 2 after run down for 10sec 3 after run down for 1min 4 after run down until acknowledgement q C123 Unit of time timer X 1 mm ss...

Страница 36: ... 0 9999digit1 0 Pb 2 proportional band 2 0 9999digit1 0 dt derivative time 0 9999sec 80sec rt reset time 0 9999sec 350sec Cy 1 cycle time 1 1 0 999 9sec 20 0sec Cy 2 cycle time 2 1 0 999 9sec 20 0sec db contact spacing 0 1000digit1 0 HYS 1 differential 1 0 9999digit1 1 HYS 2 differential 2 0 9999digit1 1 Y 0 working point 100 to 100 0 Y 1 maximum output 0 100 100 Y 2 minimum output 100 to 100 100 ...

Страница 37: ...tputs The timer is stopped The display for the timer value alternates between showing StOP and the time h Acknowledge by using any key the timer start value t i 0 is loaded The timer function has been cancelled due to a supply failure The timer value that was present at the time of the supply failure will be indicated HThe following events come under the heading over underrange Probe break short c...

Страница 38: ...toring recognized Transducer Overrange underrange Probe lead short circuit Probe lead break Thermocouple Resistance thermometer Voltage 2 10V and0 2 1V 0 10V and 0 1V Current 4 20mA 0 20mA b70 2040en bk Seite 38 Mittwoch 19 November 2008 10 15 10 ...

Страница 39: ...unction Pt100 internal Designation Range Voltage 0 10V RE 100kΩ2 2 10V RE 100kΩ3 RE input resistance Current 4 20mA voltage drop 3V 0 20mA voltage drop 3V Measurement accuracy 0 1 100ppm C Input for resistance thermometer Outputs Relay n o make contact 3A at 250V AC resistive load 150 000 operations at rated load Logic 0 5V Current limiting 20mA Rload 250Ω Logic 0 12V Current limiting 20mA Rload 6...

Страница 40: ...troller with limit comparator 2 setpt controller Controller structure P PD PI PID A D converter resolution 15 bit Sampling time 210msec 250msec with timer function Data backup EEPROM Housing type plastic housing for panel mounting to DIN 43700 Cleaning the front panel use warm or hot water add mildly acidic neutral or mildly alkaline detergents if necessary Do not use any abrasive cleaning agents ...

Страница 41: ...mo net Internet www jumo net JUMO Instrument Co Ltd JUMO House Temple Bank Riverway Harlow Essex CM20 2TT UK Phone 44 1279 635533 Fax 44 1279 635262 e mail sales jumo co uk Internet www jumo co uk JUMO Process Control Inc 8 Technology Boulevard Canastota NY 13032 USA Phone 315 697 JUMO 1 800 554 JUMO Fax 315 697 5867 e mail info jumo us Internet www jumo us b70 2040en bk Seite 1 Mittwoch 19 Novemb...

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