描述
就地总线或现场总线-般由双绞线组成的数据通信网络，由于其连接的设备是与生产过程直接发生联系的一次元件或控制设备，所以工作环境恶劣，故障率高，容易受到检修人员的误动而影响生产过程。另外，总线本身也会因种种原因造成通信故障。
DOOR, SLIT VALVE, “S” – NEW
SET OF 2: PLATE, CAM SLIT VALVE – NEW
PRINTED CIRCUIT BOARD AMAT 0100-00011 CHOPPER DRIVE
COATED THERMOCOUPLE (8.5″ Lg) W – NEW
POWER SUPPLY POWER ONE HD24-4.8-A SET OF TWO IDENTICALS
VALVE CONTROLLER VACUUM GENERAL AC-2 ADAPTORR
THROTTLE VALVE VACUUM GENERAL MDV-018 – REFURBISHED
