MTS Model FlexTest SE - Manual (Page 110)

Models FlexTest® IIm/GT/SE Controller Hardware
Valve Connections
FlexTest GT Controller Connections 110
Series 256 Servovalve
connections
The Series 256 Servovalve is a 3-stage servovalve. The Model 493.15 Valve
Driver supports the inner loop signals. The following figure shows the
connections between the valve driver and the valve. To connect the valve to the I/
O Carrier module, see
“Cable Part Numbers” on page 85.
Inner Loop
Outer Loop
Command Valve
Driver
Test
Command
Controller
Control
Mode
Valve LVDT
Feedback
Actuator LVDT
Feedback
1
2
3
4
5
6
7
8
9
10
11
12
13
14
J4 - J7 To/From
Servovalve
To/From
I/O Carrier
+ Excitation
- Excitation
+ Feedback
- Feedback
Signal Ground
+ Valve Command
- Valve Command