函数块逻辑布尔参数或内部变量实例可以强制为on或off状态，或者用于状态转换检测指令。布尔型输入参数通过参数使用时不能被强制或被90-70系列状态转换检测指令(POSCOIL,NEGCOIL,POSCON and NEGCON)使用，因为他们的值不是存储在实例数据中。
MAGNETEK 71616-G3M40301 USPP 71616G3M40301
ELECTRO CRAFT PDM-20 USPP PDM20
RELIANCE ELECTRIC PDM-20 USPP PDM20
WESTINGHOUSE DB50-LSIG-1600 NSFP DB50LSIG1600
BAYSIDE RA142-015 USPP RA142015
SEW EURODRIVE MDF60A0055-5A3-?4-00 USPP MDF60A00555A340?0
RELIANCE ELECTRIC 86475-11R USPP 8647511R
SECO M4207-00020A USPP M420700020A
INDRAMAT DDC01.2-N200A-D?S01-02 USPP DDC012N200ADS01?0
ALLEN BRADLEY 1772-LW NSFP 1772LW
FANUC A06B-6079-H208 USPP A06B6079H208
SIEMENS 6AP1161-4CE3-80?AH0 USPP 6AP11614CE380AH?0
ADEPT TECH 90400-20045/XY-?HRS-045M201 USPP 9040020045XY
INDRAMAT DDC01.2-N200A-D?S50-01-FW USPP DDC012N200ADS50?A
BENTLY NEVADA 72201-02-02-05-?01-01-01 USPP 722010202050
PEPPERL & FUCHS IVI-KHD2-4HB6 USPP IVIKHD24HB6
BOSCH SFA401250151405?7 USPP SFA401250151405?7
TEXAS INSTRUMENTS PLC 535-1212 USPP 5351212
