GE 745 - 1.2.2 Panel Keying Example

CHAPTER 1: GETTING STARTED USING THE RELAY
745 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 1–5
1.2.2 Panel Keying Example
For example, the S4 ELEMENTS  INSULATION AGING  AGING FACTOR LIMIT  AGING
FACTOR LIMIT PICKUP
path representation describes the following key-press sequence:
1. Press the MENU key until the setpoints header appears on the display.
2. Press the MESSAGE RIGHT or ENTER key, and then the MESSAGE DOWN key until the
S4
ELEMENTS
message is displayed.
3. Press the MESSAGE RIGHT or ENTER key to display
INSULATION AGING message.
4. Press the MESSAGE RIGHT or ENTER key to display
AGING FACTOR LIMIT message.
5. Press the MESSAGE RIGHT or ENTER key to reach the
AGING FACTOR LIMIT PICKUP
message and the corresponding setpoint value.
6. Press the MESSAGE DOWN key to display the next actual value message as shown
below:
7. Pressing the MESSAGE UP or DOWN keys scrolls the display up and down through all
the setpoint displays in this corresponding sub-page.
8. Pressing the MESSAGE LEFT key reverses the process described above and returns the
display to the previous level.
9. Press the MESSAGE LEFT key twice to return to the
S4 ELEMENTS page header.
 SETPOINTS []
 SETPOINTS []
S4 ELEMENTS
 INSULATION []
AGING
 AGING FACTOR []
LIMIT
AGING FACTOR LIMIT
PICKUP: 2.0
AGING FACTOR LIMIT
DE L AY: 10 m in.
 AGING FACTOR []
LIMIT
 SETPOINTS []
S4 ELEMENTS