MTS 793 Controller Hardware FlexTest GT Controller Connections
97
Valve Connections
The following types of valve connections are supported:
• Single or dual Series 252 Servovalve(s) can be controlled with a
Model 493.14 Valve Driver mezzanine card.
• A Series 256 Servovalve can be controlled with a Model 493.15
3 Stage Valve Driver mezzanine card.
• A Series 257 Servovalve can be controlled with a Model 493.15
3 Stage Valve Driver mezzanine card and a Model 448.16C Power
Driver chassis.
• Refer to the servovalve product manual (included with the System
Documentation CD) for single and dual valve configuration wiring
information.
Improper operation can damage valve driver cards.
Damage can occur if you connect a high-level signal to a valve driver
card when the chassis power is off.
Do not apply a high-level signal to a valve driver card when the chassis power
is off. Disconnect power from any externally powered devices
before you
switch the chassis power off.
Cable specification • 15-contact type D male EMI connector
• Backshell–EMI metallized plastic
• Cable type–4 conductor w/foil shield and drain (PN 010-093-580
or equivalent) with the drain wire connected to metallized plastic
backshell at the chassis.
• For 256 and 257 servovalves, the valve LVDT uses the same type
of connectors as the actuator LVDT.
• Servovalve/valve LVDT Y cable required for Series 256 or 257
servovalves (PN 039-710-5XX).
CAUTION
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