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提高外部设备的响应速度。在PLC内部实现高速化的同时，还要提高外部设备的响应速度，才能整体提高整个系统的性能，为此，在缩短I/O模块的输入输出响应时间，提高模拟量输入输出模块的模-数和数-模转换时间，下了不少工夫，以求得系统整体的控制速度达到毫秒级以下。例如，在晶体管输出模块的输出电路中选用高性能的晶体管，使响应时间加快50%；在直流输入模块中，其输入的时间常数回路采用**ASIC芯片，可通过编程软件选择输入模块的响应时间为1/5/10/20/70毫秒；为提高模拟量模块的转换时间，采用A/D或D/A的**芯片，是转换速度为原先的1/2—1/6。另外也通过开发**的处理器和通信**ASIC，缩短通信网络模块之间的通信链接的循环时间。
Vexta UDX5107N
Vexta 5-phase driver UDK5128N-m-G1
Vexta AC servo driver KBLD 180-A KBLD180-A
Vexta bless DC motor driver BLD180A-MK
SUPER VEXTA DRIVER AND MOTOR UPD566-A UPH566-A UDX5107
VEXTA AC servo driver KBLD120-A
Vexta 5 phase driver UDK5114N-m
SUPER VEXTA 5-PH STEPPING MOTOR UDX5128 ORIENTAL MOTOR
HV# Vexta 5-phase driver UDK5114N
Vexta Pulse generator SG8100S
NEW SUPER VEXTA KBLD60-C AC SERVO DRIVER NEW
VEXTA Stepping, Stepper Motor PK569AUHA
Vexta Brushless DC Motor with Gearhead & Driver FBLD20A
VEXTA ASM46AA-H100 100:1 Harmonic Drive
VEXTA Stepper Controller 5 Phase Driver RKD507-A
Vexta Speed Controller Brushless Motor Gearhead Control
VEXTA PK266-02A
Circular Variable ND Neutral Density Filter Vexta Motor
VEXTA UDK5114NW2 Microstep Driver for CNC Engraver
Vexta AC Servo Motor Driver KXPD 120-ABZ Oriental motor
Vexta UDK5107 5-phase stepper,stepping, step driver
Super Vexta UDX5114NA 5 Phase Driver for Stepper Motor
Vexta Driver ASD12A-C & Step Motor ASM66AC
SUPER VEXTA 5 PHASE DRIVER UDX5114N-E