注意:當(dāng)這些關(guān)系功能塊中的一-個執(zhí)行成功時，%S0020位設(shè)為ON。當(dāng)任一一個輸入是非數(shù)，該位清零。是因為NaN在浮點(diǎn)數(shù)形式中有-一個專用表示法，該表示法使其在任何功能塊中都是可發(fā)覺的。在這些功能塊的_,DINT,_ INT或_ _UINT形式中沒有這樣的特性存在。

Allen Bradley 1745-E151 SLC Expansion Unit #21210

Allen Bradley 1745-E151 SLC Expansion Unit #21214

Honeywell Power Supply Board 458424 #13788

Apollo Butterfly Valve 14306DDE1 #12115

Siemens I-T-E Vacu Break Switch V7E3611, #12510

Thern Hand Winch 4311 #33853

Square D Welder I/O DNM Devicenet Module 52046-406-53 #

Tenor Control 653-8-1000 Timer Digital Face, #3911

Von Weise / Weldotron VW8-844-4 Gear Motor #23974

Barber Colman 80BB-10001-001-?0-00 Maco 8000 #8144

Joslyn Clark Pushbutton Guard A100-404040A #32455

Watlow Temperature Control 92A3-1DK1-0000 #13425

Solid Controls 3 Digit Counter 20853 #20170

Slide Gate Shutoff for 8″ Vacuum Hose System #27287

Incoe PSC Hot Runner Control PC20, 2400 Watt #16864

Keystone Pneumatic Actuator F79D-024M #30402

Tenor Timer 652-8-1000 #26501

Tenor Timer 653-8-1000 #26502

Murr Elektronik Power Supply 85084 #31863

Tenor Control Timer 653-8-1000, #5105