Galvanic Isolation - ProMinent DULCOMETER D1Cb Series Instructions For Assembly And Use

2.2.2

Galvanic Isolation

WARNING!
Protective low voltage/Mains voltage
Possible consequence: Fatal or very serious injuries
If relay 1 or 2 is operated with protective low voltage, no mains voltage may be connected to the
other relay.
Temperatureingang /
temperature input
Kontakteingang /
contact input
mA Eingang /
mA input **
pH Eingang /
pH input **
Fig. 2: Galvanic Isolation
* If relay 1 or 2 is operated with protective low voltage, no mains voltage many be connected to the
other relay.
** No galvanic isolation between mA and mV input and temperature input.
500 Vpp
3,7 kV
Netzeingang / power input
Functional Description
500 Vpp
Kontaktausgang 2 /
contact output 2
500 Vpp
Kontaktausgang 1 /
contact output 1
500 Vpp
mA Ausgang /
mA output
3,7 kV
Alarmausgang /
alarm output
3,7 kV
Relaisausgang 1-2 * /
relay output *
Netzanschluss / power supply
19