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产品名称:
美国威格士比例放大器,特价VICKERS比例放大器
产品型号:
-
产品展商:
威格士VICKERS
简单介绍
美国威格士比例放大器,特价VICKERS比例放大器
Though set-up is from the top, down, it
is best to explain gain control first. Gain
adjustments are the lower two pots in
美国威格士比例放大器,特价VICKERS比例放大器的详细介绍
美国威格士比例放大器,特价VICKERS比例放大器
diagram. A (+) or (–) 10V at 5mA
reference is provided for command
voltage control. When wired as shown in
the diagram, the control pots should be
valve, but can be adjusted using the
deadband-compensation feature of the
drive amplifier. For spool types “33” the
2000 ohms or greater. If the pot is to be
connected across the (+) or (–) pins z2
and b2, the minimum pot size should be4000 ohms.
A typical circuit for a single stage
feedback type valve in an open (outer)
loop application is shown in Figure 1. A
24VDC power supply is connected to
approach. See Figure 2. The top section
on the front face of the amplifier has
several indicating lights (LED’s). They
indicate when the 24V power is on; if
command control voltage is working; if
the enable switch is closed; if there is an
overload caused by improper wiring; a
short condition internal or external of the
amplifier that results in over current; or if
there is current to a solenoid. In the
latter case, the light brightens with
increased currentthe second box from the top, on the
front face of the amplifier.20-40V (including ripple)
Maximum ripple: ±10% pk.-to-pk.
Amplifier shuts down below 18V DC
Reverse-polarity protected
Figure 4 shows the affect of pressure
drop. Non-feedback single-stage curves
are shown. Each level of pressure drop
has its own flow-gain curve for a given
pins bdz32 (+) and bdz30 (–). An enable
switch connected between bdz32 and
pin z2a is required. The valve is
connected according to the circuit
