Siemens manual KeyFunction, Description of the Keys on the 7SA511 Relay Operator Panel

7SA511 Line Protection Relay Chapter 5

The functions of the keys on the operator panel are described below:

KeyFunction

Press this key to ...

Enter the relay password.

Directly access an address.

Directly access address 5000 (Annunciations).

Test and reset the stored LEDs.

Scroll through address blocks.

Scroll through addresses or index numbers.

Modify the function of the key that follows.

Enter numeric data (addresses, values, etc.).

Enter (1) a decimal point in numeric data or (2) a separator between hours, minutes, month, day, etc., for date and time setting.

Indicate (1) a negative value or (2) a difference time.

(1) Delete one character to the left or (2) scroll backward through the function selection (index) levels.

Enter the program setting value "infinite."

(1) Confirm the address or value that has been keyed in or selected, or (2) clear error or operational messages from the LCD.

(1) Accept the displayed setting or (2) respond "Yes" to the displayed question.

(1) Reject the displayed setting or (2) respond "No" to the displayed question.

Figure 5-2.Description of the Keys on the 7SA511 Relay Operator Panel.

July 27, 1995 5-7