Datakom DPR-350 Series, Руководство пользователя

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DPR-350 User Manual Ver_01 Firmware V-1.0
K91D01-EN - 60 -
This feature is used to prevent unnecessary trips which may occur in cases where the load is powered up
suddenly after remaining unpowered for a long period of time. Only valid for
“OVERCURRENT
PROTEC
TION (ANSI 50/51)”
. The protections are valid for the parameter group defined in this section
for a set duration after the system has been energized.
Parameter Definition Unit Min Max Factory
Setting
Description
TCOLDTD Sec 0 14400 7200
If the load is not energized for this
period, it is designated as cold load.
TCLPTD Sec 0 14400 7200
The cold load condition is removed
after this period is elapsed upon
energizing.
I>1 Status - 0 1 0 Active for level 1 protection
I>1 Current Setting In 0.08 4.00 1.50 Current threshold for level 1 protection
I>1 Delay Timer Sec 0.00 100.00 1.00
Constant time delay for level 1
protection.
I>1 TMS - 0.025 1.200 1.000
Time multiplier for level 1 protection
IEC curves
I>1 Time Dial Sec 0.5 15.0 7.0
Time multiplier for level 1 protection
IEEE curves
I>2 Status - 0 1 0 Active for level 2 protection
I>2 Current Setting In 0.08 40.00 1.50 Current threshold for level 2 protection
I>2 Delay Timer Sec 0.00 100.00 1.00
Constant time delay for level 2
protection
Function Configuration Screen
When a password is entered for programming or manual control, it is valid for 2 minutes. Entering
programming or manual control does not require a password within this period. This feature can be
enabled to make the system ask for the password, ignoring the 2 minute password period.
20.19. COLD LOAD PICKUP
20.20. SAFE EXIT