APLSP4B0 REDLION 扩展处理

RELIANCE 57C435
RELIANCE UAZ3455/3475
RELIANCE BLM-2202U-LP120-7
RELIANCE 5BC42AB2131C
RELIANCE ELECTRIC DDS-LPS
RELIANCE ELECTRIC S-D4006-D
REOTRON 567LH-DP24
REXROCH 4WE6E70/HG24N9K4
REXROTH DKC03.3-040-7-FW
REXROTH LTS350D 0608750125
REXROTH KSM01.2B-061C-35N-M1-HP2-SE-NN-D7-NN-FW
REXROTH MKD071B-061-KP1-KN
REXROTH MKD071B-061-KP1-KN
REXROTH DKCXX.3-100-7

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Description

PLC控制器有基本单元、扩展单元、扩展模块之分,其相对继电器-接触器控制电路而言,价格相对较高,尤其是在需要占用大量输出点时,还要对PLC基本单元进行扩展处理或需要选用更大点数的基本单元时,价格问题显得尤为突出,因此在对某些控制逻辑简单而又不参与工作循环的电气设备或者在工作循环之前须先工作的设备而言,在用PLC进行总体控制设计时

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