什么是PLC


Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 832

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 832

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 75

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 76

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 75

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 76

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 832

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 832

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 75

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 76

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 75

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 76

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 832

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 832

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 75

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 76

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 75

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 76

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 800

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 806

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 808

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 811

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 832

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 832

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 75

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 76

Warning: Undefined array key 0 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 75

Warning: Undefined array key 1 in /www/wwwroot/www.firnspiegel.com/wp-includes/media.php on line 76

什么是PLC？

當我們探討「可程式控制器」或「PLC」時，我們談論的是一種強大的電子設備，它在工業領域中發揮著關鍵作用。 PLC（Programmable Logic Controller），在中文中被稱為可編程邏輯控制器，是設計來管理和控制機械和電機過程的。這種設備在傳統的工業環境中扮演著重要角色，確保工廠和生產線的順暢運作。然而，隨著技術的進步，PLC控制器也經歷了一場革命。

現在，PLC自動控制不僅局限于傳統的硬體裝置，軟體PLC（Software-based Programmable Logic Controller）也逐漸流行起來。這種基于軟體的可程式控制器可以運行在廣泛可用的通用PC硬體上，這為制造商和各種工業組織提供了更多的靈活性。更為引人注目的是，多個軟體PLC可程式控制器可以在單一裝置上同時運行，這意味著更高的效率和降低的成本。

無論是傳統PLC還是軟體PLC，它們經常與SCADA系統（監控與數據采集系統）和HMI（人機介面）一起使用。這種組合提供了完整的控制解決方案，使得工業自動化更加智能和高效。

PLC的運作方式

談到PLC如何運作，這些裝置主要使用梯形邏輯編程語言，這是一種使工程師能夠設計和建立控制電機系統的虛擬電路的語言。 PLC的堅固設計使它能夠在惡劣的環境和艱苦的工業應用中可靠地運作。由于這些控制器經常用于對時間非常敏感的應用，它們能夠極快地掃描輸入信號并執行編程的動作。 PLC的輸入/輸出（I/O）連接功能讓它能夠從連線設備獲取資訊并發送適當的指令，確保工業流程的高效運行。

總而言之，不論是傳統PLC或是新興的軟體PLC，它們都在工業自動化領域中扮演著不可或缺的角色。隨著技術的發展，這些可程式邏輯控制器正變得更加智能、靈活和高效，從而推動著制造業和其他工業領域的創新和進步。