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步进电机驱动器的步数数据接收端DATA在接收到指令单元传入的运行步数后，首先检查当前是否有其他电机占用请求，如果电机空闲，就按照同时传入的方向信号输出指定步数的驱动逻辑；否则忽略本次自动控制请求。
手动微调在驱动器中作为一种辅助控制手段，允许人工微调调焦镜头的位置。每启动一次手动微调，电机就按照设定的运行方向，运行一段固定的微调距离。驱动器在捕获到手动输入信号后，同时读取手动运行方向DIRECTION的设置值，如果当前电机空闲，则按照手动输入的方向信号输出固定步数的驱动逻辑；否则手动请求无效。
Parker Linear Actuator P5E-M050KHN0075 w/ Pneumatic Cyl
Graymills Coolant Pump Motor, # MT, 1/2 HP, 230/460, Us
NEW Versa VJJ-4713-WS Valve, 5 Ports underneath, WARRAN
Sumitomo Eaton Hydraulic Orbit Motor H-200AA1-G, Used,
Showa Automatic Lubrication System, Motor# M111E, 200-2
Eliminex Combo Separator Housing, 1P-090-M04--DCP?, Used
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Graymills Coolant Pump Motor, # 17NC1A, 1/6 HP, Used,
Ashcroft Pressure Switch, B424V XCY, 100#, 100 psi, USE
New Air Compressor Electronic Electric Timer Drain Drai
NEW SMC Multistage Vacuum Ejector, NZL112-K15LZ-G, WARR
Accu-Trol Manifold Control Unit, # B1-3-2, Used, WARRA
Ingersoll-Rand 1/4 HP Coolant Pump Unit, 3/4 KRV-1/4, M
Duramaster Air Cylinder, DS4012MP2B1, 12.000, Used, WAR
NEW Bosch Directional Control Valve, 9810231438, 4600 P
Yaskawa Coolant Pump, # VFPC-18DJ, * * * USED * * * WAR
Vickers Pressure Reducing Valve, DGMX2-5-PP-AW-S?-30, US
Showa Automatic Lubrication System, MLA-03W, 200/220V,
Vickers Hydraulic Directional Control Valve, DG4V-3-OBL
ITT DIA-FLO 1.25- 2401-T-903 DIAPHRAM VALVE, 1 1/4- 1
Vickers Reducing Valve, XG-03-B-20-JA-J?, Max. 200, USED
NEW onyx Automatic Pneumatic Pinch Valve, Series GSF, 1
Sanyo PC Circuit Board # A7-1-20063-1C, Used, WARRANTY
Fuji Electric 3 PH Oil Pump, # VKP081J, 220 V, 250 W, U
Showa Automatic Lubrication System, SMA6 15, 220VAC, Us
Fuji Electric Oil Pump, # VKN081A, Used, WARRANTY
Daikin Solenoid Controlled Valve, KSO-G02-2NA-30-?EN, 10
Barksdale Control Electronic Dual Pressure Switch, UDS7
Daikin Solenoid Controlled Valve, KSO-G02-2DP-30-?EN, 24
SMC Pneumatic Cylinder CHD2HFY40B-300A?-F5BASDPC, 2-SMC
