GW Instek PSU-Series User Manual - Manual (Page 146)

PSU Series User Manual
146
Isolated External Voltage Control of Current Output
Background Voltage control of the current output uses the
isolated voltage option (PSU-ISO-V). A voltage
of 0~5V or 0~10V is used to control the full
scale current of the instrument, where:
For 0~5V: Output current = full scale current ×
(external voltage/5)
For 0~10V: Output current = full scale current ×
(external voltage/10)
Connection When connecting the external voltage source to
the isolated voltage option, use shielded or
twisted paired wiring.
PSU EXT-V
Isolated
Voltage
Option
＋
－ 4
3
Output
Terminal
2 core shielded
wire or twisted
pair
1or8
 Pin4(GND_ISO) → EXT-V (-)
 Pin3(+IPROG_ISO) → EXT-V (+)
 EXT-V ground (Shield) → Wire shield