6.9 Protecting operation for over start-up time
When the time of reaching output voltage to VOUT_UV_FAULT_LIMIT [ 44h ] is lower than
threshold which is set to TON_MAX_FAULT_LIMIT [ 62h ], protection function for over
start-up is activated.
The operation threshold and the way of stopping protection for over start-up time can be changed
TON_MAX_FAULT_LIMIT [ 62h ] and TON_MAX_FAULT_RESPONSE [ 63h ] respectively.
In case the way of stopping latch stop, Power Supply does not restore until restored operation
is done by ON/OFF function(clause 6.1) or re-invert after insulating input.
When the number of automatic recovery is set by 1-6 times, latch stop will be happened
without situation of abnormal power supply is recovered during re-starting up by specified
number of times.
6.10 Prohibit re-writing parameter
WRITE_PROTECT [ 10h ] command communication can be limited the command
communication. (*1)
This can be protected not to change setting value which is not intended.
Writing in all of the command to be supported is possible at setting of a default.
*1: Reading ( the READ communication ) of the set value and rewriting WRITE_PROTECT [ 10h ]
are not limited.
Table 6-4 Protection for exceeding start-up time (example for Vin start-up)
VOUT_UV_FAULT_LIMIT(44h)
TON_MAX_FAULT_LIMIT(62h)
VOUT
VIN
Applications manual
For CHS300/400/500-
I
series
- 17 -
