JUMO 709050 IPC IGBT Power Converter IPC 70A Operating Manual - Manual (Page 31)

02.08 [IGBT Power Converter 70A] 31
5 Settings
5.5.1 Combination of external potentiometer and electronic controller
Controller with
current output The voltage input (terminals 3, 4) in conjunction with the internal 10 V source
and a 5 k
Ω potentiometer is used as a manual control input.
Controller with
voltage output Only the voltage input of the converter is used. Manual operation requires a 5
k
Ω potentiometer connected to terminals 3 and 5.
Switch S
a
S
b
Automatic mode open open
Manual mode closed closed
H
To prevent unintended oversteering when switching over to the
manual mode, S
a
should be mechanically linked to S
b
. Otherwise
both signals will briefly cumulate.
Switch S
ca
Automatic mode Position 1
Manual mode Position 2