iSMA-B-FCU /FCU Hardware
Version 1.1
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2
Hardware specification
2.1 Terminals and internal connection diagram
There are 3 types of hardware available:
•
iSMA-B-FCU-HH with 230 V AC power supply and Triac Outputs,
•
iSMA-B-FCU-HL with 230 V AC power supply and 24 V AC Triac Outputs,
•
iSMA-B-FCU-LL with 24 V AC power supply and Triac Outputs.
2.1.1 iSMA-B-FCU-HH
iSMA-B-FCU-HH has a high voltage power supply (230 V AC) and high voltage Triac Outputs
(230
V
AC). The Triac Outputs are connected directly to the main controller power supply as
presented in diagram below. The maximum current for each Triac Output is 0.5 A. The maximum
power
consumed
by
external
equipment
connected
to
the
24
V terminals (L2, N2) cannot exceed 7VA in total.
Figure 2 iSMA-B-FCU-HH diagram of terminals and internal connections
