描述
某些输入信号不进入PLC系统中有些信号功能简单、涉及面窄，如图6中的手动按钮、过载保护的热继电器触点等，有时就没有必要作为PLC的输入，将它们设计在PLC外围的硬件电路中同样可以满足控制要求。如果外部硬件电路过于复杂，则应考虑仍将有关信号送入可编程序控制器
Pacific Scientific R32GENP-R2-NS-VS-00 R32GENPR2NSVS00
One-day shipping available
NEW Pacific Scientific R33GMNP-R2-NS-NV-01 R33GMNP
One-day shipping available
PACIFIC SCIENTIFIC 5240 INDEXER DRIVE 110VAC 1PH 60Hz
PACIFIC SCIENTIFIC 33VM62-220-6 NSFP 33VM622206
PACIFIC SCIENTIFIC ANALOG TACHOMETER 33VM62-000-17 NEW
PACIFIC SCIENTIFIC 2VM62-000-6 USPP 2VM620006
Pacific Scientific, S22GSNA-RNVM-03 Brushless servo
One-day shipping available
Pacific Scientific PMDC Motor SRF5348-4485-84-5-45BC-CU
PACIFIC SCIENTIFIC SERVO DRIVE MODEL NO: SC902-001-01
Pacific Scientific Motor .5 HP Good Condition
PACIFIC SCIENTIFIC 6415-001-C-N-K STEPPER DRIVE *XLNT*
PACIFIC SCIENTIFIC PMB11B-10Y14-04 USPP PMB11B10Y1404
