Series Operation; Parallel Operation; Withstand Voltage Test - TDK-Lambda CUS800M Instruction Manual

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11

6-8. Series Operation

For series operation, either method (A) or (B) is possible.
Note: In case of (A), please select a bypass diode (*3) with maximum forward current rating more than output load current. And maximum
reverse voltage must withstand each power supply output voltage.
Never use when one of the unit not operate, which may lead damage.

6-9. Parallel Operation

For parallel operation, method (B) is possible
(A) To increase the output current is not possible.
Power Supply
V+
Output
Terminal
V-
V+
Output
Terminal
V-
6-10. Isolation Test
Isolation resistance between Output and
must be done before the test. Ensure that the unit is fully discharged after the test.

6-11. Withstand Voltage Test

These products are designed to withstand 4.0kVAC between input and output, 2.0kVAC between input and
and
for 1 minute. When testing withstand voltage, set current limit of the withstand voltage test equipment to 20mA. The applied voltage
must be gradually increased from zero to the testing value and then gradually decreased for shut down. When timer is used, the power supply
may be damaged by high impulse voltage at timer switch on and off. Connect input and output as follows.
Method (A)
V+
(*3)
V-
Load
V+
V-
(B) To use as Back-up Power Supply
Power Supply
Load
Output
Terminal
Output
Terminal
(*4) Please select a reverse current prevention diode with maximum
is more than 100MΩ at 500VDC. For safety operation, voltage setting of DC isolation tester
AC (L)
AC (N)
DC
11/17
Method (B)
V+
Load
V-
V+
V-
1. Adjust the output voltage of each power supply to be the same.
2. Set power supply output voltage higher by the forward voltage
drop (Vf) of diode.
Use within the specification for output voltage and output power.
(*4)
forward current rating more than output load current
V+
V-
STBY+
STBY-
PG
R+
R-
TDK-Lambda
CUS800M
INSTRUCTION MANUAL
Load
and 1.5kVAC between output

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