AEG Protect PV, Installation Manual, Page: 30 / 33

5.1.3. Auxiliary Interface Specifications
Parameter Parameter details Specification
Serial Communication RS485
Common cable specification Cable jacket diameter ( ⌀ ) 2 x 5-7 mm
Cable type
Shielded Twisted Pair (STP) (Cat 5e)
2)
Cable Characteristic Impedance 100
Ω
– 120
Ω
Max. cable length 1000 m
RJ45 (2 pcs.) connectors Wire gauge 24-26 AWG (depending on mating
metallic RJ45 plug)
Cable shield termination Via metallic RJ45 plug
Terminal block Maximum wire gauge
2.5 mm
2
Cable shield termination Via EMC cable clamp
Max. number of inverter nodes 63 4)
Galvanic interface insulation Yes, 500 Vrms
Direct contact protection Double/Reinforced insulation Yes
Short circuit protection Yes
Communication Star and daisy chain Ethernet
Common cable Max. cable length between inver-
ters
100 m (total network length: unlimi-
ted)
Specification Max. number of inverters 100 1)
Cable type
Shielded Twisted Pair (STP) (Cat 5e) 2)
Temperature sensor input
3 x PT1000
3)
Cable specification Cable jacket diameter (
⌀
) 4-8 mm
Cable type Shielded Single Pair - 2-wire
Cable shield termination Via EMC cable clamp
Maximum wire gauge 2.5 mm 2
Maximum resistance per wire 10 Ω
Maximum cable length 30 m
Sensor specification Nominal resistance/temperature
coefficient
3.85
Ω
/ o C
Measurement range
-20
o
C - +100
o
C
Measurement accuracy ±3%
Direct contact protection Double/Reinforced insulation Yes
Short circuit protection Yes
Irradiation sensor input x 1
Cable specification Cable jacket diameter ( ⌀ ) 4-8 mm
Cable type Shielded Single Pair - Number of wires
depend on the sensor type used
Cable shield termination Via EMC cable clamp
Maximum wire gauge
2.5 mm
2
Maximum resistance per wire 10
Ω
Maximum cable length 30 m
Sensor Specification Sensor type Passive
Measurement accuracy ±5% (150 mV sensor output voltage)
Output voltage of sensor 0-150 mV
Max. output impedance (sensor) 500 Ω
Input impedance (electronics) 22 k Ω
Direct contact protection Double/Reinforced insulation Yes
Short circuit protection Yes
Energy meter input S0 input x 1
Cable specification Cable jacket diameter ( ⌀ ) 4-8 mm
Cable type Shielded Single Pair - 2-wire
Cable shield termination Via EMC cable clamp
Maximum wire gauge
2.5 mm 2
Maximum cable length 30 m
Sensor Input Specification Sensor input class Class A
Nominal output current 12 mA for an 800
Ω
load
Maximum short circuit output cur-
rent
24.5 mA
Open circuit output voltage +12 VDC
Maximum pulse frequency 16.7 Hz
Direct contact protection Double/Reinforced insulation Yes
Short circuit protection Yes
Table 5.8: Auxiliary Interface Specifications
5. Technical Data
8000038781_00_BAL_en / L00410564-01_02
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