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P927 Hardware Revision 
This parameter will display the current hardware revision. It is read only, 
and cannot be changed. 
P928 Serial Number 
This parameter will display the serial number of the unit. It is read only, and 
cannot be changed. The serial number can also be viewed while in RUN 
mode by pressing the decimal point key. 
P929 Site Identification 
This parameter allows you to give each unit an individual reference number, 
for identification purposes. You can set any number between 1 and 99999. 
P930 Factory Defaults 
This parameter resets all parameter values to the original Factory Set values 
that were installed when the unit was tested, before despatch to you. 
To reset parameters, enter 1 (Yes), and press ENTER, then you will see a 
message  “Entr if sure”,  you  should  press  ENTER again. If you press any 
other key at this point, the parameters will not be reset, and you will see a 
message confirming this. 
Once you have done this, program the unit, to the desired application. 
Date & Time  
The date and time is used, to control specific relay functions and date stamp 
certain  events  that  are  contained  in  the  Data  Logs.  It  is  also  used  in 
conjunction with the system watchdog that keeps an eye on the times the 
unit has started. 
P931 Date 
This parameter display the current date, in the format as set by P933 (Date 
Format), and can be reset if required.  
P932 Time 
This parameter displays the current time and can be reset if required, in the 
format HH: MM (24-hour format). This is set initially at the factory for UK 
time.