Selectronic SP PRO Technical Notes

SP PRO Interactive Inverter Charger
Technical Note

PL Regulator Float Integration

Introduction
The SP PRO and Plasmatronics PL regulator can be connected and configured so that the
charging stage of the SP PRO will change to Float when signalled by the PL regulator. This
keeps both SP PRO and PL working to the same charge stage.

SP PRO Configuration

The SP PRO is configured by default to accept the Float input on Digital
Control Input 1. Float Stage Input would only need to be changed from
default if Digital Control Input 1 is being used for another purpose.
This is set to accept the Float signal from the PL regulator.

PL Regulator Configuration

The PL 'G' output can be set to give an active signal when it's in float.
SET/ PROG=4
NOTE: If changing from generic PROG=0,1,2,or 3, you should check that all the settings under
the SET/REG menu are correct for your application as these may be different from the generic
(PROG=0-3) settings.
SET/MODE/GSET=4 if using the 'G' terminal, as shown in diagram.
SET/EVNT...
STRT=12
(start) TIME=0.0 hrs
STOP=12
(stop) TIME=25.0
----- (the above 4 settings have the effect of making the STRT and STOP irrelevant)
EMOD=1 (in float)
TMOD=0 (always active with Low Battery Disconnect).
This is now set to signal the SP PRO when to change to Float stage.
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