Changes for page 11 PID Control Instruction
Last modified by Iris on 2025/09/17 20:56
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... ... @@ -107,8 +107,10 @@ 107 107 108 108 **Example** 109 109 110 - ==**CCPID/CCPID calculation** ==110 +See manual. 111 111 112 +== {{id name="_Toc32463"/}}{{id name="_Toc21837"/}}{{id name="_Toc31152"/}}**CCPID/CCPID calculation** == 113 + 112 112 **CCPID** 113 113 114 114 This instruction is used to perform PID control that changes the output value according to the amount of input change. ... ... @@ -150,24 +150,30 @@ 150 150 151 151 **Error code** 152 152 153 - 154 154 |**Error code**|**Content** 155 155 |4085H|When the device specified in the read application instructions (s1), (s2), (s3), (d) exceeds the range of the corresponding device. 156 156 |4086H|When the device specified in the write application instruction (s3) and (d) exceeds the range of the corresponding device. 157 157 |4D80H|The sampling time is out of range.(T,,S,,≤0) 158 -|4D81H|Input filter constant (α) is out of range (α<0 or α>1023) 159 -|4D82H|The maximum ascent rate (△//T//) is out of range.(△//T//<0 or △//T//>1023) 160 -|4D86H|The sampling time (Ts) is less than the operation cycle.(T//s//<Scanning cycle) 161 -|4D87H|The proportional gain (K//p//) is out of range.(K//p//<1 or K//p//>32000) 162 -|4D88H|The integral time constant (Ti) is out of range.(K//i//<0 or K//i//>3600) 163 -|4D89H|The differential time constant (T//d//) is out of range.(K//d//<0 or K//d//>1000) 164 -|4D90H|The upper limit of CCPID output is less than the lower limit. 159 +|4D81H|Input filter constant (Co) is out of range (Co<0 or Co≥1023) 160 +|4D82H|The maximum ascent rate (△//T//) is out of range.(△//T//<0 or △//T//>32000) 161 +|4D83H|((( 162 +The proportional gain (Kp) is out of range. Kp<0[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps287.png]] 163 +))) 164 +|((( 165 +4D84H 166 +)))|((( 167 +The integral gain (Ki) is out of range. Ki<0[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps288.png]] 168 +))) 169 +|4D85H|((( 170 +The differential gain (Kd) is out of range. Kd<0[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps289.png]] 171 +))) 172 +|4D86H|The sampling time (Ts) is less than the operation cycle.(T//s//<Scan cycle) 165 165 166 166 **Example** 167 167 168 -See "CCPID Instruction Manual". 176 +See "__CCPID Instruction Manual__". 169 169 170 -== **FPID/FPID calculation **==178 +== **{{id name="_Toc8661"/}}{{id name="_Toc13227"/}}{{id name="_Toc18478"/}}{{id name="_Toc29418"/}}{{id name="_Toc5268"/}}{{id name="_Toc5168"/}}{{id name="_Toc307"/}}**FPID/FPID calculation == 171 171 172 172 **FPID** 173 173 ... ... @@ -356,7 +356,7 @@ 356 356 [[image:11_html_6dcdd8fc88703a47.jpg]] +22 to [[image:11_html_6dcdd8fc88703a47.jpg]] +51 is the parameter space used in the auto-tuning process. 357 357 358 358 |**Unit**|**Features**|**Setting instructions**|**Supplement** 359 -| [[image:11_html_6dcdd8fc88703a47.jpg]]|Sample time (TS)|The set range is 1 to 32,767 (ms), but greater than PLC program scan cycle.|It is how often the instruction calculates and updates the output value (MV). When TS is less than one scan time, PID instruction is executed with one scan time and alarm 4D86H. When TS ≤ 0, alarm 4D80H and no execution.367 +| |Sample time (TS)|The set range is 1 to 32,767 (ms), but greater than PLC program scan cycle.|It is how often the instruction calculates and updates the output value (MV). When TS is less than one scan time, PID instruction is executed with one scan time and alarm 4D86H. When TS ≤ 0, alarm 4D80H and no execution. 360 360 |+1|Action direction (ACT)|((( 361 361 bit0: 0=positive action; 1=reverse action bit2: auto-tuning transition zone switch. 0=not open;1=open 362 362 ... ... @@ -449,7 +449,7 @@ 449 449 3) +6 work range: Twork(example: 170 represents 17℃) 450 450 451 451 (% style="text-align:center" %) 452 -[[image: 企业微信截图_17581105436817.png||height="197" width="652"]]460 +[[image:11_html_7ab814bb49fffa5a.gif||class="img-thumbnail"]] 453 453 454 454 4) +9 working mode: 455 455 ... ... @@ -457,7 +457,7 @@ 457 457 458 458 1: Slight overshoot or no overshoot working mode 459 459 460 -2: Custom settings; to achieve by setting [[image:1758111151287-920.png||height="15" width="28"]]+10,[[image:1758111151287-920.png||height="15" width="28"]]+11,[[image:1758111151287-920.png||height="15" width="28"]]+12 three coefficients.468 +2: Custom settings; to achieve by setting +10, +11, +12 three coefficients. 461 461 462 462 5) +1 bit2 self-tuning transition zone switch: (upper limit 1℃, low limit 0.5℃) 463 463 ... ... @@ -545,7 +545,7 @@ 545 545 |D101|Control detail settings 546 546 |D102|First-order inertial filter coefficient 547 547 |D106|Working interval 548 -|D109| Working mode556 +|D109|Operating mode 549 549 550 550 **(4) Parameter control effect description** 551 551 ... ... @@ -615,9 +615,9 @@ 615 615 [[image:11_html_74a7527eace55103.gif||class="img-thumbnail"]] 616 616 617 617 618 - ==**LAGCDL Large time-delay temperature control instruction**==626 +**11.6 LAGCDL Large time-delay temperature control instruction** 619 619 620 -**LAGCDL** 628 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps243.png]]**LAGCDL** 621 621 622 622 This instruction is used to perform large time-delay system temperature control that changes the output value according to changes in the input. 623 623 ... ... @@ -633,7 +633,7 @@ 633 633 634 634 **Device used** 635 635 636 -|(% rowspan="2" %)**Instruction**|(% rowspan="2" %)**Parameter**|(% colspan=" 8" %)**Devices**|(((644 +|(% rowspan="2" %)**Instruction**|(% rowspan="2" %)**Parameter**|(% colspan="24" %)**Devices**|((( 637 637 **Offset** 638 638 639 639 **modification** ... ... @@ -642,29 +642,29 @@ 642 642 643 643 **extension** 644 644 ))) 645 -|**D**|**R**|**SD**|**LC**|**HSC**|**K**|**H**|**E**|**[D]**|**XXP** 646 -|(% rowspan="4" %)LAGCDL|Parameter 1|●|●|●| | | | | | | 647 -|Parameter 2|●|●|●| | | | | | | 648 -|Parameter 3|●|●|●| | | | | | | 649 -|Parameter 4|●|●|●| | | | | | | 653 +|**X**|**Y**|**M**|**S**|**SM**|**T(bit)**|**C(bit)**|**LC(bit)**|**HSC(bit)**|**D.b**|**KnX**|**KnY**|**KnM**|**KnS**|**T**|**C**|**D**|**R**|**SD**|**LC**|**HSC**|**K**|**H**|**E**|**[D]**|**XXP** 654 +|(% rowspan="4" %)LAGCDL|Parameter 1| | | | | | | | | | | | | | | | |●|●|●| | | | | | | 655 +|Parameter 2| | | | | | | | | | | | | | | | |●|●|●| | | | | | | 656 +|Parameter 3| | | | | | | | | | | | | | | | |●|●|●| | | | | | | 657 +|Parameter 4| | | | | | | | | | | | | | | | |●|●|●| | | | | | | 650 650 651 651 **Features** 652 652 653 653 This instruction is to complete large time-delay system control operation, and used to control the parameters of the closed-loop control system. 654 654 655 -[[image:1 758111592778-873.png]]is the target value of CCPID SHT control (SV).663 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps244.png]] is the target value of CCPID SHT control (SV). 656 656 657 -[[image:1 758111614838-309.png]]is the measured feedback value (PV).665 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps245.png]] is the measured feedback value (PV). 658 658 659 - [[image:1758111642557-547.png]]is the start address of the cache where the parameters required by LAGCDL operation and intermediate results are saved,667 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps246.png]] is the start address of the cache where the parameters required by LAGCDL operation and intermediate results are saved, 660 660 661 661 occupying a total of 634 variable units of subsequent addresses. The value range is from D0 to D7974 or from R0 to R35000. It is better to specify power failure retention, and the setting value remains after power supply is off. Otherwise, the cache needs to be assigned value before starting the calculation for the first time. The function and parameter description of each unit are described in this section. 662 662 663 -[[image:1 758111693192-390.png]] is the storage unit of the LAGCDL calculation result. Please specify it as a non-battery retentive area, otherwise it needs to be initialized and cleared before the first start of calculation.671 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps247.png]] is the storage unit of the LAGCDL calculation result. Please specify it as a non-battery retentive area, otherwise it needs to be initialized and cleared before the first start of calculation. 664 664 665 665 **Programming example** 666 666 667 -[[image: 1758111738993-165.png||height="64"width="430"]]675 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps248.jpg]] 668 668 669 669 The parameter description is as follows: 670 670 ... ... @@ -674,15 +674,15 @@ 674 674 675 675 D100 unit is used to store the calculated control output value to control the execution of the action. 676 676 677 -[[image:1 758111862269-781.png]] to [[image:1758111862269-781.png]]+15 is the parameter range that can be set (parameters set when LAGCDL is executed). [[image:1758111862269-781.png]]+28 to [[image:1758111862269-781.png]]+631 is the historical data space for LAGCDL control internal use. [[image:1758111862269-781.png]]+4 to [[image:1758111862269-781.png]]+27 is the parameter space used in the self-tuning process. (This space is multiplexed with the parameter space during control)685 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps249.png]] to [[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps250.png]]+15 is the parameter range that can be set (parameters set when LAGCDL is executed). [[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps251.png]]+28 to [[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps252.png]]+631 is the historical data space for LAGCDL control internal use. [[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps253.png]]+4 to [[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps254.png]]+27 is the parameter space used in the self-tuning process. (This space is multiplexed with the parameter space during control) 678 678 679 -The functions and setting methods of the parameter values of each unit started by [[image:1 758111862269-781.png]] are described in the following table:687 +The functions and setting methods of the parameter values of each unit started by [[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps255.png]] are described in the following table: 680 680 681 681 682 682 683 -| (% style="width:108px" %)**Unit**|(% style="width:230px" %)**Function**|**Description**684 -| (% style="width:108px" %)[[image:1758111862269-781.png]]|(% style="width:230px" %)Sampling time (TS)|Range: 1 to 32767 (ms). It must be longer than PLC program scan cycle.685 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+1|(% style="width:230px" %)Control flag bit|(((691 +|**Unit**|**Function**|**Description** 692 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps256.png]]|Sampling time (TS)|Range: 1 to 32767 (ms). It must be longer than PLC program scan cycle. 693 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps257.png]]+1|Control flag bit|((( 686 686 bit0: 0=Forward action; 1=Reverse action 687 687 688 688 bit1: Overshoot power limit output enable bit. 0=no limit; 1=limited ... ... @@ -695,32 +695,32 @@ 695 695 696 696 Bit15: The instruction initializes the flag bit. When initialization is complete, it is set to 1. 697 697 ))) 698 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+2|(% style="width:230px" %)Output lower limit|Range: -32000 to 32000. Recommended setting range: -2000 or 0.699 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+3|(% style="width:230px" %)Output upper limit|Range: 0 to 32000. Recommended setting value is 2000. When the upper and lower limits are both 0, the upper limit becomes 2000 and the lower limit becomes 0.700 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+4|(% style="width:230px" %)Full power output boundary|The suggested value can be obtained by self-tuning, and can also be adjusted according to the actual situation.701 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+5|(% style="width:230px" %)Half-power output boundary|The suggested value can be obtained by self-tuning, and can also be adjusted according to the actual situation.702 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+6|(% style="width:230px" %)Stop output boundary|The suggested value can be obtained by self-tuning, and can also be adjusted according to the actual situation.703 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+7|(% style="width:230px" %)The maximum rate of increase of the controlled system|Given by self-tuning704 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+8|(% style="width:230px" %)The lagged time of the controlled system|Given by self-tuning. Unit: s705 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+9|(% style="width:230px" %)The time constant of the controlled system|Given by self-tuning. Unit: s706 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+10|(% style="width:230px" %)Ideal closed-loop time constant|Given by self-tuning. Unit: s707 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+11|(% style="width:230px" %)Ideal closed-loop sampling time|Given by self-tuning. This parameter can be adjusted during the control process. Unit: s708 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+12|(% style="width:230px" %)Maximum temperature difference during setting|Given by self-tuning. (for your reference)709 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+13|(% style="width:230px" %)The temperature difference between the residual heat and temperature rise|Given by self-tuning. (for your reference)710 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+14|(% style="width:230px" %)Heating time|Given by self-tuning. (for your reference)711 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+15|(% style="width:230px" %)Setting time|Given by self-tuning. (for your reference)712 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+16|(% rowspan="3"style="width:230px"%)Self-tuning use space|(% rowspan="3" %)Reserved for internal use713 -| (% style="width:108px" %)┇714 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+27715 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+28|(% style="width:230px" %)Current temperature difference|Used during control716 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+29|(% style="width:230px" %)Previous temperature difference|Used during control717 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+30|(% style="width:230px" %)The 1st operation flag bit|Used during control718 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+31|(% style="width:230px" %)Number of valid history outputs|Used during control719 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+32|(% rowspan="3"style="width:230px"%)Historical output data|(% rowspan="3" %)Used during control720 -| (% style="width:108px" %)┇721 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+631722 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+632|(% rowspan="2"style="width:230px"%)Previous sampling time stamp|(% rowspan="2" %)Reserved for internal use723 -| (% style="width:108px" %)[[image:1758111862269-781.png]]+633706 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps258.png]]+2|Output lower limit|Range: -32000 to 32000. Recommended setting range: -2000 or 0. 707 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps259.png]]+3|Output upper limit|Range: 0 to 32000. Recommended setting value is 2000. When the upper and lower limits are both 0, the upper limit becomes 2000 and the lower limit becomes 0. 708 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps260.png]]+4|Full power output boundary|The suggested value can be obtained by self-tuning, and can also be adjusted according to the actual situation. 709 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps261.png]]+5|Half-power output boundary|The suggested value can be obtained by self-tuning, and can also be adjusted according to the actual situation. 710 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps262.png]]+6|Stop output boundary|The suggested value can be obtained by self-tuning, and can also be adjusted according to the actual situation. 711 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps263.png]]+7|The maximum rate of increase of the controlled system|Given by self-tuning 712 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps264.png]]+8|The lagged time of the controlled system|Given by self-tuning. Unit: s 713 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps265.png]]+9|The time constant of the controlled system|Given by self-tuning. Unit: s 714 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps266.png]]+10|Ideal closed-loop time constant|Given by self-tuning. Unit: s 715 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps267.png]]+11|Ideal closed-loop sampling time|Given by self-tuning. This parameter can be adjusted during the control process. Unit: s 716 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps268.png]]+12|Maximum temperature difference during setting|Given by self-tuning. (for your reference) 717 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps269.png]]+13|The temperature difference between the residual heat and temperature rise|Given by self-tuning. (for your reference) 718 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps270.png]]+14|Heating time|Given by self-tuning. (for your reference) 719 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps271.png]]+15|Setting time|Given by self-tuning. (for your reference) 720 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps272.png]]+16|(% rowspan="3" %)Self-tuning use space|(% rowspan="3" %)Reserved for internal use 721 +|┇ 722 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps273.png]]+27 723 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps274.png]]+28|Current temperature difference|Used during control 724 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps275.png]]+29|Previous temperature difference|Used during control 725 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps276.png]]+30|The 1st operation flag bit|Used during control 726 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps277.png]]+31|Number of valid history outputs|Used during control 727 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps278.png]]+32|(% rowspan="3" %)Historical output data|(% rowspan="3" %)Used during control 728 +|┇ 729 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps279.png]]+631 730 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps280.png]]+632|(% rowspan="2" %)Previous sampling time stamp|(% rowspan="2" %)Reserved for internal use 731 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps281.png]]+633 724 724 725 725 **Error code** 726 726 ... ... @@ -735,9 +735,8 @@ 735 735 736 736 **Example** 737 737 746 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps282.png]] 738 738 739 -(% style="text-align:center" %) 740 -[[image:企业微信截图_17581120459254.png]] 741 741 742 742 == **PRUN/Octal digit transmission (16-bit data)** == 743 743
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