描述
继电器控制逻辑采用硬接线逻辑，利用继电器机械触点的串联或并联，及时间继电器等组合成控制逻辑，其接线多而复杂、体积大、功耗大、故障率高，灵活性和扩展性很差。而PLC采用存储器逻辑，其控制逻辑以程序方式存储在内存中，灵活性和扩展性都很好。
Nemic Lamda EWS300 Power Supply. AC Input
Pneumatic Power Unit TYCO AMP Shell Connector 58075-1
OMRON R88A-PRO3U, R88D-UP12HA, AC Servo Driver, 50/60Hz
Thomson Industries Linear Motion Part No. 2DAO8JOB-SL12
NEW- EST 2-MCM, Fire & Security Main Controller Unit
NEMIC-LAMBDA DENSEI NNS50-15 Power Suply 15V 5.5A
Honeywell Ademco Security System & Control Box Vista-50
OMRON AC SERVO MOTOR R88M-U40030HA-B. 400W, 200V, 2.6A
L.C. Smith & Bros. Typewriter No. 5 Type Writer
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SUNX LP-300 CO2 Laser Marker Controller Model LP-310-A
DAIHEN Actuator Motion Control & Teaching Box. E4210A
Keithley 195A Digital Multimeter
TSX Quantum 140 DDO 364. DC output 24V 6X16. NEW in Box
