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3.11.6 Parallel/Serial Operation Protection
When “MS_CTRL” is turned on, all power supply protection functions are still effective. If any of the power supplies
turned off output due to protection, master power supply will turn off all power supplies’ output and displays
information on screen, as shown in following picture:
Figure 3-26 Master Display If Protection Triggered
When protection is triggered in slave unit, then detailed protection information is displayed in slave screen:
Figure 3-27 Slave Display If Protection Triggered
To clear the protection in slave unit, press
and hold for three seconds.
Following table listed the possible protections and fault when parallel or serial operation.
Table 3-6 Parallel/Serial Protection/Fault Explanation
Symbol
Explanation
Damaging power supply!
Do not connect
current sharing cable in serial operation
Can not output correctly!
Do connect
current sharing cable in parallel operation
Master power supply communication abnormal
Slave power supply communication abnormal
Protection is occurred in slave power supply, output is turned off
blinks Communication unstable in parallel operation
blinks Communication unstable in serial operation
Summary of Contents for FTP Series
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