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cvcs 40 d3 b29 10,进口威格士大流量比例方向控制阀
general
this manual is written primarily
to establish a logical troubleshooting
procedure for the solid state em
(electronic modular)
amplifier. complete systems are
beyond the scope of this manual
and will not be covered. adequate
information is presented for an
electrical technician to repair
the em-a-10 amplifier.
em-a-10 (308118) linear servo amplifier
a. deion
the em-a-10 is a special purpose
dc servo amplifier designed
specifically for a vickers se3 or
sf4 flapper type servo valve.
the em-a-10 consists of a high gain
summing amplifier, a low
gain dc amplifier and a power output stage.
the amplifier module also contains a
10 volt regulated power
supply which may be used for
development of input signals
through an external 5000 ohm potentiometer.
the complete amplifier and
power supply are contained on a
plug-in module whose
approximate dimensions are 3-1/2 x 5
inches. refer to table 1
for electrical and mechanical
specifications.
在em-a-10伺服放大器设计安装
在电源板,如emp-a-11。输入
和与放大器电路的输出连接
通过在印刷电路引脚连接提供
模块。这些引脚连接,当安装到
插件容器,必须连接,如表
2. tb2布线互连,位于emp-a-11
电源板,示出了方便。
在em-a-10伺服放大器的部分是的
incapsulated结构,必须更换为
完整的组件。放大器a1和a2上的显示
示意图图1是这种类型的例子
施工。 a1和a2的更换需要工厂
调整被执行以电阻值
用星号(*)标示。因此,应
替换任一放大器的需要,这是
建议该安装通过以下方式实现
维克斯。更换em-a-10功放可供选择。
cvcs 40 d3 b29 10,进口威格士大流量比例方向控制阀