在工业生产过程当中，存在一些如温度、压力、流量、液位和速度等连续变化的量（即模拟量），PLC采用相应的A/D和D/A转换模块及各种各样的控制算法程序来处理模拟量，完成闭环控制。PID调节是一般闭环控制系统中用得较多的一种调节方法。过程控制在冶金、化工、热处理、锅炉控制等场合有非常广泛的应用。
福州卓凯电子科技有限公司
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Schneider ABL8RED24400 Redundancy Module
40A 22-30 VDC / ABL8 Power Supplies
Schneider ABL8RED24400 Redundancy Module
40A 22-30 VDC / ABL8 Power Supplies
SCHNEIDER ABR1E118B RELAY MODULE
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MODEL AS-B805-016
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140DAO85300
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MODULE SINGLE PHASE 63A A9V02663
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AMS985000
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SCHNEIDER Advantys Telemecanique STBPDT3100
24V Power Supply Module
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TSXAE800 FREE SHIPPING!!!
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SCHNEIDER AS-B551-000 INPUT MODULE
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SCHNEIDER AS-B565-000 INPUT MODULE 24VAC
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TRU HI OUT 16P - - CORNER BROKE
SCHNEIDER AS-B824-016 MODULE 800 IO 24VDC
TRU HI OUT 16P - - FREE SHIPPING
SCHNEIDER ASB827032
SCHNEIDER AS-B827-032 24VDC 32-POINT DISCREET INPUT MODULE
ASB827032
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TRU HI 32PT - - FREE SHIPPING
SCHNEIDER AS-B827-032 MODULE 800 I/O 24VDC
TRU HI 32PT - - FREE SHIPPING
SCHNEIDER AS-B827-032 MODULE 800 I/O 24VDC
TRU HI 32PT - FREE SHIP
Schneider AS-B828-016 Module 800 I/O 5VTTL
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SCHNEIDER AS-B872-002 I/O Analog Input
Module, ,
Schneider AS-B872-200 ASB872200 Modicon
Module
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MODULE
SCHNEIDER AS-B872-200 MODULE 800 IO ANALOG
OUT VOLT 4CH - - FREE SHIPPING
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SCHNEIDER AS-B875-002 Analog Input Module
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SCHNEIDER ASB875101
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Schneider AS-BADU-204 Analog Input Module,
4XPT100,+-500MV
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SCHNEIDER ASBADU211
Schneider AS-BADU-214 Input Module Analog,
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SCHNEIDER AS-BDAO-216 -- ; OUTPUT MODULE DC
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Schneider AS-BDAP-210 Control ASBDAP210
Module -
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SCHNEIDER AS-BDAP-212 BDAP 212 Module
SCHNEIDER AS-BDAP-216N TSX COMPACT OUTPUT
MODULE - FREE SHIPPING!!!
SCHNEIDER AS-BDAP-217 ASBDAP217 OUTPUT
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SCHNEIDER AS-BDE P-218 16 PT 115 VAC TSX
A120 DISCRETE INPUT MODULE
SCHNEIDER AS-BDE P-218 16 PT 115 VAC TSX
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X 24V DC
SCHNEIDER AS-BDEP-210 DISCRETE INPUT MODULE
SCHNEIDER AS-BDEP-210 DISCRETE INPUT MODULE
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SCHNEIDER AS-BDEP-216 Discrete 16 Channel
Input Module 24V DC
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INPUT MODULE - - FREE SHIPPING
SCHNEIDER AS-BDEP-217 Discrete True Low
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SCHNEIDER AS-BDEP-217 True Low Discrete
Intput Module DEP 217
SCHNEIDER AS-BDEP-218 DISCRETE INPUT MODULE
16PT 115VAC TSX COMPACT
