Huawei SUN2000L - Page 89

SUN2000L-(2KTL-5KTL)
User Manual
7 Operations on the Local FusionHome App
Issue 02 (2017-12-12)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
82
Figure 7-29 IPS check
Step 2 Choose to start the S1 or S2 check as required. The default check type is S1. To start the S2
check, you need to set External Signal or Local Command.
Table 7-7 Check type description
Check Type
Description
External Signal
Setting
Local Command
Setting
S1 (default)
The level 1
overfrequency
protection threshold
is 50.5 Hz and the
level 1
underfrequency
protection threshold
is 49.5 Hz.
S2
The level 1
overfrequency
protection threshold
is 51.5 Hz and the
level 1
underfrequency
protection threshold
is 47.5 Hz.