wtw IQ SENSOR NET System 2020 XT, Руководство по эксплуатации, Страница: 27 / 216

System 2020 XT C
ONNECT
Safety
2 - 3
ba75970e01 10/2012
Special user qualifications The following installation activities may only be performed by a quali
-
fied electrician:

Connection of the MIQ/PS power supply module to the power line
(see MIQ/PS module manual).

Connection of external, line voltage-carrying circuits to relay con
-
tacts (see module manual of the relay output module).
WARNING
A circuit (except for the power supply connections), that is connected
to an IQ S
ENSOR
N
ET
component, must not feed any voltages or cur
-
rents that are not allowed. It has to be made sure that the circuit at any
time meets all requirements of a Limited circuit or Limited Power as
well as of
SELV
(Safety Extra Low Voltage). These include the follow
-
ing limiting value specifications:

AC voltage: max. 30 V effective / 42.4 V peak

DC voltage: max. 60 V

Current limit: max. 8 A

Power output limitation: max. 150 VA