MiCOM P921/P922/P923 - Schneider - error

Technical GuideP92x/EN FT/H42User GuideMiCOM P921/P922/P923 Page 1/70CONTENT1. INTRODUCTION TO THE USER INTERFACES AND SETTINGSOPTIONS 51.1 USER INTERFACE 71.1.1 Relay Overview 71.1.2 Front panel description 81.1.3 LCD display and keypad description 81.1.4 LEDs 101.1.5 Description of the two areas under the top and bottom flaps 111.1.6 The USB/RS232 cable (to power and set the relay) 111.2 Menu structure 121.3 PASSWORD 121.3.1 Password protection 121.3.2 Password entry 131.3.3 Changing the password 131.3.4 Change of setting invalidation 131.4 Displays of Alarm & Warning Messages 131.4.1 Electrical Network Alarms 141.4.2 Relay Hardware or Software Warning Messages 142. MENU 172.1 “OP.PARAMETERS” Menu 182.2 “ORDERS” Menu (P922 and P923 only) 192.3 RELAY CONFIGURATION Menu 202.3.1 “GENERAL” Submenu 202.3.2 "VT RATIO" Submenu 222.3.3 LEDS 5 to 8 configuration 232.3.4 "CONFIG SELECT" Submenu (MiCOM P922 and P923 only) 252.3.5 "FREQ" Submenu (MiCOM P922 and P923 only) 252.3.6 “ALARMS” Submenu 262.3.7 “CONFIGURATION INPUTS” Submenu 282.3.8 “OUTPUT RELAY” Submenu 292.4 Measurements 302.4.1 Configuration 302.4.2 MiCOM P921, MiCOM P922 and MiCOM P923: common measurements 322.4.3 Specific measurements for the MiCOM P922-MiCOM P923 33