OSTBERG HERU 400-2400 S, Руководство пользователя

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Climatix HERU® 400-2400 2018-02-13
External components basic unit
9. External components basic unit
General
External sensors, actuators, etc. are connected to the HERU® CX unit or to an
expansion model, supplied separately (see chap. 11.) Terminal numbers are grouped as
follows:
Terminal
no.
Cable’s max mm² Group’s placing Voltage
1-10 4 mm² HERU® CX ≤230 VAC
11-20 4 mm² EXP1 ≤230 VAC
31-40 4 mm² HERU® CX ≤230 VAC
41-63 1 mm² HERU® CX ≤ 50 V
71-93 1 mm² EXP1 ≤ 50 V
94-96 1 mm² HERU® CX Modbus RTU - RS485
97-100 1 mm² HERU® CX & EXP1 ≤ 50 V/KNX
(internal communication)
The following example shows a HERU® T CX:
1...10 31...40 41...55 56...63 94...100 GND Plint nr.:
1...10 31...40 41...55 56...63 94...100 GND
Terminal
no.:
All terminals, except the feeding power connections, are type 2-level.
Beige connection terminal
Earth terminal (Green-yellow) connection
terminal
External side on the bottom level is connected with the bottom level’s internal side.
External side on the top level is connected to the internal side’s top level.
Layout
connection
Principle image
2-level connection
terminals