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ENGLISH
7.0 - WIRING CONNECTION AND OUTPUT CONNECTOR FUNCTIONS
Female service connector wire assembly
Functions and technical informations
Relay service output connection
Configuration:
Pin 1 = Normally open
“ 2 = Normally closed
“ 3 = Common
= Not connected
Level probe connection - remote control;
Flow sensor
Configuration :
Pin 1 = Flow sensor
“ 2 = Flow sensor
“ 3 = Level probe wire (remote control)
“ 4 = Level probe wire (remote control)
Pulse emitting water meter connection: mA input
Configuration :
Pin 1 = (+) mA signal
“ 2 = (-) mA signal
“ 3 = Water meter signal wire
“ 4 = Water meter signal wire
RS 232 - Reset connection
Configuration :
Pin 1 = tx - transmit
“ 2 = rx - receive
“ 3 = gnd - ground
“ 4 = Reset
The external connector pos. 4 is used only to update the software but it has input to totally reset the equipment. This is
infact protected by external problems of such entity which could compromise its proper working.
Only in such situation the pump could go in protection (permanent block) but it is possible to reset its working by linking
for a while, connector Pins 3 and 4. Any damage can be stand by the microcontroller as it is protected by (over writing) acci-
dental caused by such problems.
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