Model 493.02 Controller Service
Model 493.40 I/O Carrier Connections
Cabling
48
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 daughter board.
• A Series 256 Servovalve can be controlled with a Model 493.15
3 Stage Valve Driver daughter board.
• A Series 257 Servovalve can be controlled with a Model 493.15
3 Stage Valve Driver daughter board and a Model 448.16C Power
Driver chassis.
Cable specification • 15 contact type D male EMI connector
• Backshell–EMI metallized plastic
• Cable type–4 conductor w/foil shield and drain (100935-48 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 256.xx servovalves
(397105-XX)