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Other Relay Parameters
Fail-safe Mode
Your IMP+
IMP+IMP+
IMP+ has a general fail-safe parameter P808. This parameter will
determine what state (level) both the display and the relays will assume in
the case of a fault condition (Loss Of Echo).
The fail-safe values for P808 are as follows: 1= Hold last known value,
2= Fail High, 3= Fail Low.
Setting Security Passcodes
A passcode is used to switch the IMP+
IMP+IMP+
IMP+ from Run Mode into Program
Mode.
You can set a new passcode to prevent anyone changing any of your settings
within your IMP+
IMP+IMP+
IMP+. The default passcode is 1997, but this may be changed as
follows.
Additional Information
The passcode is also used for remote access using the RS232, so if this is
being used, be sure to ensure any additional equipment using this feature is
changed accordingly.
Using A Passcode
If you don’t want to use a passcode, you can disable it as follows. First,
enter Program Mode and go to the SyS1 (System) menu. Select P921
which is the passcode enable parameter.
As shown on the display, setting the passcode enable to ‘0’ will disable it,
or ‘1’ will enable the use of passcode.
Additional Information
If the use of a passcode has been disabled, then you can move straight into
Program Mode from Run Mode by pressing the ESC and ENTER button
simultaneously.
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