External Technology Units Sk Tu4; Figure 23: External Technology Units Sk Tu4 - nord NORDAC FLEX SK 200E Series User Manual

NORDAC FLEX (SK 200E ... SK 235E) – Users Manual for Frequency Inverters
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3.2.2 External technology units SK TU4-... (module attachment)
External technology units allow the scope of functionality of the devices to be extended in a modular
way.
Depending on the type of module, different versions are available (differentiated according to IP rating,
with/without connector, etc.). They can be mounted directly on the device using the relevant
connection unit or in the vicinity of the device using an optional wall mounting kit.
Each SK TU4-... technology unit requires an associated SK TI4-TU-... connection unit.
Figure 23: external technology units SK TU4-... (example)
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With the bus modules or the I/O extension, it is possible to access the system bus via the RJ12 socket
(behind a transparent screw gland (diagnostics glass)) and therefore access all active devices that are
connected to it (variable frequency drives, other SK xU4 modules) using Parameter Box SK PAR-3H
or a PC (NORDCON software).
The bus modules require a 24 V power supply. If the supply voltage is applied, then the bus modules
are ready even if the variable frequency drive is not in operation.
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92 BU 0200 en-US-4920