Woodward
Manual XRI1-ER
20
TD_XRI1-ER_12.03, Rev. C
5.3 Reset
Manual reset
By pressing push button <RESET/SELECT> for some time (about 3 s).
External reset-input C2/C2L or C2/C2H
The external reset input has the same function as the <SELECT/RESET> push button on the front plate. Con-
necting auxiliary voltage to this input, the unit can be reset, provided that the fault is removed.
Software reset via serial interface RS 485
Software reset has the same function as push button <SELECT/RESET>. Please refer to open data protocol of
RS 485 interface named RS485-PRO.
5.4 Password
5.4.1 Password programming
The XRI1-ER-relay is delivered with the preset password "++++", it can be programmed new with dip switch 1:
Switch on dip switch 1. After power on and pressing any push button, the relay XRI1-ER inquires for a new
password. The text "PSW?" appears on the display. The new password is entered by any combination of the
push buttons <SELECT> <-> <+> <ENTER>. After the new password is given, the dip switch 1 must be
switched off.
5.4.2 Using the password
Step by step, a new relay setting is made according to the following sequence:
After the present setting value is changed with <+><-> push button, <ENTER> push button
should be pressed.
A message "SAV?" appears on the display to inquire if the new setting value is really
wanted to be stored.
After pressing the <ENTER> push button again, the password will be inquired by means of
the message "PSW?" on the display.
After the password is given correctly, which is prompted by message "SAV!" on the display,
the new setting value can be stored by pressing the <ENTER> push button for about
3 seconds.
The new setting value for the selected parameter appears on the display again.
A password consists of four push button operations. The pressed push buttons and their sequences define the
password.
<SELECT/RESET>
=
S
<->
=
-
<+>
=
+
<ENTER>
=
E
then a password "-E+S" means pressing push buttons according to the following sequence:
<-> <ENTER> <+> <SELECT/RESET>