GE Masoneilan 469 Series, Инструкция по эксплуатации

Страница: 21 / 348

CHAPTER 1: GETTING STARTED
469 MOTOR MANAGEMENT RELAY – INSTRUCTION MANUAL 1–11
 Therefore, press the
ENTER
key to store the new value in memory.
This flash message will momentarily appear as confirmation of the
storing process.
1.3.4 Enumeration Settings
The example shown in the following figures illustrates the keypress sequences required to
enter system parameters such as the phase CT primary rating, ground CT primary rating,
bus VT connection type, secondary voltage, and VT ratio.
The following values will be entered:
Phase CT primary rating: 600 A
Motor Full Load Current: 318 A
Ground CT ratings: 50/5 A
Phase Differential CT: None
Voltage Transformer Connection Type: Open Delta
Motor Nameplate Voltage: 13800 V
VT Ratio: 115:1
To set the phase CT primary rating, modify the
S2 SYSTEM SETUP

CURRENT SENSING

PHASE CT PRIMARY
settings as shown below.

Press the
MENU
key until the relay displays the Sepoints menu
header.
To set the phase Motor Full Load Amps FLA, modify the
S2 SYSTEM SETUP

CURRENT
SENSING

MOTOR FULL LOAD AMPS FLA
settings as shown below.
 Press the
MENU
key until the relay displays the Setpoints menu
header.
NEW SETPOINT HAS
BEEN STORED
1. SETPOINTS
Press [

] for more
Press
MESSAGE

or
ENTER

SETPOINTS [

]
S1 469 SETUP
Press
MESSAGE


SETPOINTS [

]
S2 SYSTEM SETUP
Press
MESSAGE

or
ENTER

CURRENT [

]
SENSING
Press
MESSAGE

or
ENTER
PHASE CT PRIMARY:
OFF
Press the
VALUE
keys until 600 A is displayed,
or enter the value directly via the numeric
keypad.
PHASE CT PRIMARY:
600 A
Press the
ENTER
key to store the settings.
NEW SETPOINT HAS
BEEN STORED