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FUNCTION_BLOCK "FbModeSelector"
TITLE = 'Ïåðåêëþ÷àòåëü ðåæèìîâ ðàáîòû.'
{ S7_read_back := 'true' ;
S7_blockview := 'big' }
AUTHOR : VA
FAMILY : LIB_PLC
VERSION : '2.1'
VAR_INPUT // Âõîäíûå ïåðåìåííûå, ñîõðàíÿåìûå.
ButtonStop :BOOL := FALSE; // Êíîïêà "Ñòîï".
ButtonManual :BOOL := FALSE; // Êíîïêà "Ðó÷íîé ðåæèì".
ButtonAuto :BOOL := FALSE; // Êíîïêà "Àâòîìàòè÷åñêèé ðåæèì".
Error :BOOL := FALSE; // Îòñóòñòâèå ãîòîâíîñòè ñèñòåìû ê ðàáîòå.
Reset :BOOL := FALSE; // Ñáðîñ ïðè ïåðåçàãðóçêå.
END_VAR
VAR_OUTPUT // Âûõîäíûå ïåðåìåííûå, ñîõðàíÿåìûå.
LampStop :BOOL := FALSE; // Ôëàã "Àêòèâåí ðåæèì ÑÒÎÏ".
LampManual :BOOL := FALSE; // Ôëàã "Àêòèâåí ÐÓ×ÍÎÉ ðåæèì".
LampAuto :BOOL := FALSE; // Ôëàã "Àêòèâåí ÀÂÒÎÌÀÒÈ×ÅÑÊÈÉ ðåæèì.
END_VAR
VAR // Âíóòðåííèå ïåðåìåííûå, ñîõðàíÿåìûå.
State1 :INT := 0 ; // Ëîêàëüíûé ãðàô ñîñòîÿíèé.
FlagError :BOOL := FALSE; // Ôëàã çàïðåùåííîãî ñîñòîÿíèÿ âõîäîâ.
END_VAR
CONST // Êîíñòàíòû.
STATE_STOP := 0; // Ñîñòîÿíèå "ÑÒÎÏ ÐÅÆÈÌ".
STATE_MANUAL := 1; // Ñîñòîÿíèå "ÐÓ×ÍÎÉ ÐÅÆÈÌ".
STATE_AUTO := 2; // Ñîñòîÿíèå "ÀÂÒÎÌÀÒÈ×ÅÑÊÈÉ ÐÅÆÈÌ".
END_CONST
BEGIN
// Ïåðåêëþ÷àòåëü ðåæèìîâ ðàáîòû.
// DbModeSelector
// +------------------------+
// | FbModeSelector |
// ->-|ButtonStop LampStop|->-
// ->-|ButtonManual LampManual|->-
// ->-|ButtonAuto LampAuto|->-
// -|Error |
// -|Reset |
// +------------------------+
// Çàïðåùåííîå ñîñòîÿíèå:
// Åñëè âìåñòå ñ êíîïêîé ñòîï îäíîâðåìåííî íàæàëè åùå ÷òî-òî.
FlagError:=
((ButtonStop AND ButtonAuto) OR
( ButtonStop AND ButtonManual));
// Ïðè ïåðåçàãðóçêå êîíòðîëëåðà ðåæèì ÑÒÎÏ.
IF (Reset OR FlagError) THEN
State1 := STATE_STOP;
LampStop := TRUE;
LampManual := FALSE;
LampAuto := FALSE;
ELSE
// Ãðàô ñîñòîÿíèé.
CASE State1 OF
STATE_STOP: // Ðåæèì ÑÒÎÏ.
LampStop := TRUE;
LampManual := FALSE;
LampAuto := FALSE;
// Ïåðåõîä ÑÒÎÏ -> ÐÓ×ÍÎÉ.
IF ButtonManual THEN
State1 := STATE_MANUAL;
LampStop := FALSE;
LampManual := TRUE;
LampAuto := FALSE;
END_IF;
// Ïåðåõîä ÑÒÎÏ -> ÀÂÒÎÌÀÒ.
IF (ButtonAuto AND NOT(Error)) THEN
State1 := STATE_AUTO;
LampStop := FALSE;
LampManual := FALSE;
LampAuto := TRUE;
END_IF;
STATE_MANUAL: // Ðåæèì ÐÓ×ÍÎÉ.
LampStop := FALSE;
LampManual := TRUE;
LampAuto := FALSE;
// Ïåðåõîä ÐÓ×ÍÎÉ -> ÑÒÎÏ.
IF ButtonStop THEN
State1 := 0;
LampStop := TRUE;
LampManual := FALSE;
LampAuto := FALSE;
END_IF;
// Ïðåõîä ÐÓ×ÍÎÉ -> ÀÂÒÎÌÀÒ.
IF (ButtonAuto AND NOT(Error)) THEN
State1 := STATE_AUTO;
LampStop := FALSE;
LampManual := FALSE;
LampAuto := TRUE;
END_IF;
STATE_AUTO: // Ðåæèì ÀÂÒÎÌÀÒ.
LampStop := FALSE;
LampManual := FALSE;
LampAuto := TRUE;
// Ïåðåõîä ÀÂÒÎÌÀÒ -> ÑÒÎÏ.
IF (ButtonStop OR Error) THEN
State1 := STATE_STOP;
LampStop := TRUE;
LampManual := FALSE;
LampAuto := FALSE;
END_IF;
// Ïåðåõîä ÀÂÒÎÌÀÒ -> ÐÓ×ÍÎÉ.
IF ButtonManual THEN
State1 := STATE_MANUAL;
LampStop := FALSE;
LampManual := TRUE;
LampAuto := FALSE;
END_IF;
ELSE //ÑÒÎÏ ïðè íåîïðåäåëåííîì ñîñòîÿíèè.
State1 := STATE_STOP;
END_CASE;
END_IF; // IF (Reset OR FlagError) THEN
// Ãðàô ñîñòîÿíèé.
//
// Åñëè îøèáêà Error àêòèâíà ìîæíî ðàáîòàòü òîëüêî â ðó÷íîì ðåæèìå.
// Reset äîëæåí ñðàáàòûâàòü ïðè ïåðåçàãðóçêå èëè âêëþ÷åíèè ïèòàíèÿ.
//
// |
// -+-Reset OR FlagError
// |
// V
// +-------------------+
// | State1 = |
// +---------->| STATE_STOP |-----------+
// | | LampStop = 1 | |
// | +-------------------+ |
// | | ^ |
// | | | |
// | ButtonManual-+- -+-ButtonStop |
// | | | |
// | V | |
// | +-------------------+ |
// ButtonStop | | State1 = | | ButtonAuto
// OR -+- | STATE_MANUAL | -+- AND
// Error | | LampManual = 1 | | NOT(Error)
// | +-------------------+ |
// | | ^ |
// | ButtonAuto | | |
// | AND -+- -+-ButtonManual |
// | NOT(Error) | | |
// | V | |
// | +-------------------+ |
// | | State1 = | |
// +-----------| STATE_AUTO |<----------+
// | LampAuto = 1 |
// +-------------------+
// Ïðèìåð îðãàíèçàöèè èíòåðôåéñà ïîëüçîâàòåëÿ äëÿ HMI.
// Ïðè íàæàòèè êíîïîêè AUTO òåã ButtonAuto = 1.
//  àâòîìàòè÷åñêîì ðåæèìå ðàáîòû òåã LampAuto = 1 äàåò ýôôåêò íàæàòèÿ íà êíîïêó AUTO.
// Êíîïêè MANUAL, STOP ðàáîòàþò àíàëîãè÷íî.
// Òàê êàê êíîïêè áåç ôèêñàöèè òî ìîæíî ïàðàëëåëüíî êíîïêàì íà ýêðàíå ïîäêëþ÷àòü ôèçè÷åñêèå êíîïêè.
//
// +--------------------------------------------------------+
// | MENU: "Errors" |
// +--------------------------------------------------------+
// | 0. No Error (OK). |
// | |
// | |
// | |
// | |
// | |
// | |
// +--------------------------------------------------------+
// | +--------+ +--------+ +--------+ +--------+ +--------+ |
// | | < MENU | | AUTO | | MANUAL | | STOP | | MENU > | |
// | +--------+ +--------+ +--------+ +--------+ +--------+ |
// +--------------------------------------------------------+
// @COPYLEFT ALL WRONGS RESERVED :)
// Author: VA
// Contacts: DIY.PLC.314@gmail.com
// Date start LIB_PLC: 2014
// License: GNU GPL-2.0-or-later
// https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
// https://www.youtube.com/watch?v=n1F_MfLRlX0
// https://www.youtube.com/@DIY_PLC
// https://github.com/DIYPLC/LIB_PLC
// https://oshwlab.com/diy.plc.314/PLC_HW1_SW1
// https://3dtoday.ru/3d-models/mechanical-parts/body/korpus-na-din-reiku
// https://t.me/DIY_PLC
// https://drive.google.com/drive/folders/16GDX0i07rwDrl_oPzL-lQAqMiAz3ouJV?usp=sharing
END_FUNCTION_BLOCK