Eaton Vickers EM-A-10 Service Data Download Page 6

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EMP-A-11

TB2-*

Load Neg. Out

Load Pos. Out

Volt-Ohm Meter (VOM)

Servo Coil

Ω

Remove signal
wiring at
terminals 4 & 5.

Symbolize the wires
removed to prevent error.

Common ground

Input signal

Test Potentiometer

5000 Ohm Linear
Potentiometer

Note

If the EMP-A-11 power supply is not used,
connect the power source as shown to
test the EM-A-11 amplifier.

Figure 4. Test Potentiometer Wiring Diagram

+DC

–DC

Summary of Contents for Vickers EM-A-10

Page 1: ...Revised 09 01 87 I 3081 S Single Ended Linear DC Servo Amplifier EM A 10 Vickers Servo Valves Service Data ...

Page 5: ...gram of the EM A 10 Figure 3 Simplified Schematic Diagram of the EM A 10 10 Vdc R16 22K R17 22K DITHER R18 1K R20a R20 82K 50K R1 R2 5K A1 A2 R21 3 3K 10 1 INV 4 5 R4 200K R3 10K R23 3 3K 12 15 R26 3 Ω Load 11 Factory Adjust ...

Page 6: ...nals 4 5 Symbolize the wires removed to prevent error Common ground Input signal Test Potentiometer 5000 Ohm Linear Potentiometer Note If the EMP A 11 power supply is not used connect the power source as shown to test the EM A 11 amplifier Figure 4 Test Potentiometer Wiring Diagram 1 2 3 4 5 6 7 8 DC DC ...