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如果PLC使用繼電器輸出模塊，應(yīng)在與CD4513相連的PLC各輸出端接一個下拉電阻，以避免在輸出繼電器的觸點斷開時CD4513的輸入端懸空。PLC輸出繼電器的狀態(tài)變化時，其觸點可能抖動，因此應(yīng)先送數(shù)據(jù)輸出信號，待該信號穩(wěn)定后，再用LE信號的上升沿將數(shù)據(jù)鎖存進(jìn)CD4513。除了PLC輸入和輸出共用同一電源外，輸入公共端與輸出公共端一般不能接在一起。

：張亮（工程師）    專線：
24小時移動專線：         【】

EUROTHERM CONTROLS--- TU1471 

L5341 Manufactured by PARKER EUROTHERM DRIVES LINK HARDWARE - RACK & RACK CARD

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EUROTHERM DRIVES 590 Digital 590/0350/6/1/3/3/1/0/ DC DRIVE

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Eurotherm/SSD/Parker Series 590 Digital 30HP Regenerative DC Drive

OFFER & WIN EUROTHERM 637/K D6R 22-7-CAN (Standard) Servo 

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Eurotherm 620 Vector Link AC Drive 620L/0007/400/0010/UK/ENW/0000/000/BO/000/000

EUROTHERM L5392 REV. 3.2 OPERATOR INTERFACE PANEL WITH PARKER L5331 LINK CARD

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EUROTHERM TC2000 SOLID STATE CONTACTOR 60A 480V

 
EUROTHERM TC2000 SOLID STATE CONTACTOR 100A 480V NEW

JPK Instruments Petri Dish Heater Temperature Controller Eurotherm 2216e  

Eurotherm Link II LinkRack with COM modules L5311 L5331 (2)

EUROTHERM Comm Converter 261-230-00 NIB

EUROTHERM PROCESS AUTOMATION T122

EUROTHERM DRIVES L5209-2-01 USPP L5209201

EUROTHERM SERVO DRIVE 635/DER 03-PDP & 635/DEK 15 Rack unit  

EUROTHERM DRIVES 620STD/0007/400/0010/US/ENW/0000/000/B0/000/000 USPP 620STD0007

EUROTHERM DRIVES 620STD/0007/400/0010/UK/ENW/0000/000/B0/000/000 USPP 620STD0007

EUROTHERM CONTROLS EMD/DM/SCT/J/999F/SCT/N/87.5V/NSIC694 USPP EMDDMSCTJ999FSC1