Pv Control Input; Auxiliary Input - ascon M3 Series User Manual

2 - Electrical connections

2.3.2 PV CONTROL INPUT

D For mA, mV
mV mA
5
6
Rj >10MΩ
External
Shunt 2.5Ω
D1 With 2 wires transducer
4...20mA
9
18V–
PV
5
Transducer
6
external shunt 2.5Ω
D2 With 3 wires transducer
9
18V–
5
PV
Transducer 6
external shunt
2.5Ω
[1] Auxiliary power supply for external
transmitter 18V– ±20% /30mA max.
without short circuit protection
12
2.3.3 AUXILIARY INPUT (option)
B
For current transformer CT
Not isolated
For the measure of the load cur-
rent (see page 34)
• Primary coil10A...100A
• Secondary coil 50mA default
100mA jumper selectable
[1]
[1]
5 watt burden resistor
0.5Ω for 1A secondary
transformer coil
0.1Ω for 5A secondary
transformer coil
CT load
17
~
18
50/100mA 10...100A
Jumper for
100 mA
secondary
transformer coil
B