不要在兩個不同子程序中編入帶相同的基準(zhǔn)地址的OFDT功能塊。不應(yīng)該編-一個圍繞定時器功能的跳轉(zhuǎn)的程序。如果你使用遞歸(也就是說子程序直接或間接調(diào)用本身)，要編制程序塊以便在定時器遞歸調(diào)用本身之前調(diào)用定時器。在帶參數(shù)塊內(nèi)部使用定時器的相關(guān)信息，見8-錯誤!未定義書簽。如果前次掃描時間大于PV,OFDT終止(關(guān)斷能流)不接收能流的第一次掃描。

Allen Bradley 1771-A4B 16 Slot Chassis #13155

Jokab Safety Relay JSBRT11 #16862-63

Applied Instruments Heater Band A-M240C130M3-1B 240

Barber Colman Maco III B Faceplate #10963

Numatics Solenoid Valve 153RQ115J #16925

Ogden Heat Element, KP-3-0603, 460 Volt, #12170

Ogden Heat Element, KP-6-0275-M1, 460 Volt, #12172

Fisher Controls Gas Pressure Regulator 627-123 #33905

Heat Element, LR87178, 480 Volt, 3.5 Kw, #12171

Appl Eng Heat Element, TPN01359, 460 Volt, #12174

STI Safety Switch 44508-0110, #21303

Rexroth Valve 4WE6JP1 AG24N9K4 V #29612

Beckhoff DeviceNet Bus Coupler BK5200 #29659

Whitlock Heat Element, 15855, 460 Volt, #12175

Keystone Butterfly Valve 206-060-100-003 #29540

Banner Sensor 57159 9948H #13426

Imperial Eastman Hydraulic Hose 2″ Diameter #23063

Dayco Hydraulic Hose 1 1/4″ Diameter #23064

Imperial Eastman Hydraulic Hose 2″ Diameter #23065

Imperial Eastman Hydraulic Hose 1 1/2″ Diameter #23067