4.8 Auxiliary Interface Specifications
Parameter
Parameter Details
Specification
Serial Communication
RS-485
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
RJ-45 (2 pcs.) connectors
Wire gauge
24-26 AWG (depending on mating metallic RJ-45
plug)
Cable shield termination
Via metallic RJ-45 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 inverters
100 m (total network length: unlimited)
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
Technical Data
L00410309-09_02
27
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