PEDROLLO E2 MONO - Signal Connections

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