Smb Modulation Input: Mod; Smb Monitor Output Socket: Mon; Actuator Socket: Out; Switch "Closed Loop" (12V40Sg / 12V40Cle) - piezosystem 12V40 Series Instruction Manual

7.4. SMB modulation input: MOD

The motion of the actuator may be remotely controlled by using this input. The
control signal must be in the range of 0 ... +10 V. There is an internal addition of
the MOD signal and the adjusted OFFSET potentiometer. If there is an HIGH
TTL level at the Pin8 of the rear panel connector, OFFSET and MOD
(modulation input) are switched off. The remote control via Pin7 of the rear
panel connector is active and possible.

7.5. SMB monitor output socket: MON

12V40:
The output voltage in ratio 10:1 (-1 ... +15 V) is available at this socket and can
be monitored by using an analog oscilloscope. This is especially recommended
for dynamic operation. Pay attention to the inner resistance of the monitor
output since only high ohmic measurement devices should be used. The output
is short protected so please avoid injected voltages.
12V40SG / 12V40CLE:
The measuring voltage (0...10 V) is available at this socket and can be
monitored by using an analog oscilloscope. This is especially recommended for
dynamic operation. Pay attention to the inner resistance of the monitor output
since only high ohmic measurement devices should be used. The output is
short protected so please avoid injected voltages.

7.6. Actuator socket: OUT

Please connect the actuator by using this socket.

7.7. Switch "closed loop" (12V40SG / 12V40CLE)

Closed loop operation can be turned on by using this switch. The 12V40SG
amplifier includes an electronic closed loop and a strain gauge measurement
system. The 12V40CLE uses a measuring system which is combined with the
actuator. This allows for compensation of drift and hysteresis of the piezo
actuator. Please take care of settling time when using in dynamic operation.
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