GW Instek PSU-Series User Manual - Manual (Page 149)

ANALOG CONTROL
149
Connection When connecting the external current source to
the isolated analog option, use shielded or
twisted paired wiring.
PSU EXT-I
Isolated
Current
Option 4
2
Output
Terminal
2 core shielded
wire or twisted
pair
1or8
 Pin4(GND_ISO) → EXT-I (-)
 Pin2(+VPROG_ISO) → EXT-I (+)
 Pin 1 or 8 (Shield) → Wire shield
Connection- alt.
shielding If the wire shield needs to be grounded at the
current source (EXT-I), then it can be connected
as shown below.
PSU EXT-I
Isolated
Current
Option 4
2
Output
Terminal
2 core shielded
wire or twisted
pair
 Pin4(GND_ISO) → EXT-I (-)
 Pin2(+VPROG_ISO) → EXT-I (+)
 EXT-I ground (GND) → Wire shield
Panel operation 1. Connect the external current source according
to the connection diagrams above.