Performance Of The Solar System - Phoenix Contact UM IA RAD-SOL-SET-24 Serie Manual De Instrucciones

RAD-SOL-SET-24-...
Example 1
Example 2
1-8
PHOENIX CONTACT
1.7

Performance of the solar system

The solar system is designed for universal use in a wide range of applications. As the
intensity of sunlight varies considerably depending on the location, permissible connected
loads will also vary.
Figure 3-1 on page 3-1 shows a map of europe divided into three areas. To ensure proper
operation of the connected loads and a power reserve of several days, the maximum loads
listed on the map in Figure 3-1 on page 3-1 must not be exceeded.
Higher connected loads are not constantly available and are only available from time to
time.
For correct operation, the solar system must be installed in a location that receives
unobstructed sunlight all year round. An optimum tilt angle and optimum alignment of the
solar panels are also required (see page 3-3 to page 3-5).
Example of how to calculate the connected load
The connected load is calculated from the current consumption of the load that is connected
to the 24 V system voltage.
Receiver for the UD system
(e. g., RAD-ISM-2400-SET-UD-ANT):
Current loop:
Two digital outputs:
25% system reserve:
Maximum connected load for continuous operation:
:
Transmitter for the UD system
(e. g., RAD-ISM-2400-SET-UD-ANT):
Current loop:
Two digital inputs:
25% system reserve:
Maximum connected load for continuous operation:
54 mA
20 mA
5 mA
79 mA
25 mA
99 mA x 24 V = 2.38 W
18 mA
20 mA
2.5 mA
40.5 mA
10.0 mA
50.5 mA x 24 V = 1.2 W
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