83-507-5002 Rev. B
There is a potential shock hazard at the RS232/RS485 and the IEEE ports when
using power supplies with rated or combined voltage greater than 400V with the
Positive Output of the power supplies grounded. Do not connect the Positive out -
put to ground when using the RS232/RS485 or IEEE under the above conditions.
The rear panel J2 sense connector is used to configure the power supply for local or remote
sensing of the Output Voltage. Refer to Fig.3-14 for sense connector location.
3.10.1 Sense wiring
3.10.2 Local sensing
The power supply is shipped with the rear panel J2 sense connector wired for local sensing of
the Output Voltage. See Table 3-4 for J2 terminals assignment. W ith local sensing, the Output
Voltage regulation is made at the output terminals. T his method does not compensate for voltage
drop on the load wires, therefore it is recommended only for low load curr ent applications or
where the load regulation is less critical.
Fig.3-14: Sense connector location
Table 3-4: J2 terminals
Terminal
Function
J2
-
1
Remote positive sense (+S)
J2
-
2
Local positive sense. Connected intern
ally to the positive output terminal (+LS).
J2
-
3
Not connected (NC)
J2
-
4
Local negative sense. Connected internally to the negative output terminal (
-
LS).
J2
-
5
Remote negative sense (
-
S).
There is a potential shock hazard at the sense connector when using a power
supply with a rated Output Voltage great er than 40V. Local sense and remote
sense wires should have a minimum insulation rating equivalent or greater than
the maximum Output Voltage of the power supply. Ensure that the connections at
the load end are shielded to prevent accidental contact with hazardous voltages.