Signal Connections - PEDROLLO E1 MONO Original Instructions For Use

SIGNAL CONNECTIONS

The electronic board in the control panel contains signal connecting terminals
COM/MIN/MAX
Capacitive level sensor inputs: COMMON, MINIMUM, MAXIMUM.
MAX
The LEVEL SENS parameter
MIN
T1
COM
according to the water conductivity.
T1
Input for the thermal cut-out of electric pump no. 1
T1 T2
T2
Input for the thermal cut-out of electric pump no. 2
T2 IN1
IN1
Specific input for switching on a single electric pump with the alternating logic, using a normally open
IN1 IN2 (NO) voltage-free contact
IN2
Specific input for switching on the second electric pump with the alternating logic and/or both pumps
IN2 AL EXT simultaneously, using a normally open (NO) voltage-free contact
AL EXT
Specific input from an external alarm with acoustic and/or visual function, using a normally open (NO)
4-20
mA
AL EXT voltage-free contact
Specific input for an amperometric or ratiometric pressure transducer
NC
4-20
mA
EXT ALARM
EXT ALARM
Specific output to trigger an external alarm, typically used to power a siren and/or flashing light.
NC C NO
EXT ALARM
Below shows the signal terminal connections for the 6 preset modes available on the control panel, depending on the type
of system operation required.
MAX
MIN
T1 T2
COM
LEVEL SENS:__
T2
IN1 IN2
IN2 AL EXT
4-20
mA
AL EXT
4-20
mA
NC C NO
EXT ALARM
C NO
IN1 IN2 AL EXT
INOUT CONFIG
(percentage value) can be used to set the sensitivity
IN1 IN2
4-20
mA
AL EXT
4-20
mA
NC C
EXT ALARM
NC C NO
EXT ALARM
NC
4-20
mA
EXT ALARM
4-20
mA
AL EXT
NC C
EXT ALARM
NC C NO
EXT ALARM
NO
C NO
NC C NO
EXT ALARM
NO
ENGLISH |
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