ascon M5 Series - Page 12

11
3 - Electrical Connections
3.3.2 PV CONTROL INPUTS (cont.)
B
3.3.3 AUXILIARY INPUTS (OPTION)
B
C For DC input
Input resistance = 30Ω for mA
Input resistance = 10MΩ for mV
Input resistance = 10KΩ for Volt
A For current transformer CT
for the measure of the load current
• Primary coil 10A…100A
• Secondary coil 50 mA default
100mA jumper selectable
C1 For 2 wires transmitters
• Power supply to the transmitter
18V– ±10%
30mA max
Input resistance = 30Ω
C2 For 3 or 4 wires transmitters
• Power supply to the transmitter
18V– ±10%
30mA max
Input resistance = 30Ω
6
5
mA mV-V
Rj
6
5
Rj
18V–
3
PV
Transmitters
mA
6
5
Rj
18V–
3
PV
mA
Transmitters
12
11
10…100A50/100mA
load
CT
~
5 watt burden resistor
0.5Ω for 1A secondary
transformer coil
0.1Ω for 5A secondary
transformer coil
Option Module
for CT
Jumper for
100 mA
secondary
transformer coil
M5 UK•ed4 10-12-2004 16:20 Pagina 11