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3 Commissioning
Commissioning
3
This Chapter includes basic information on the commissioning of the LOGO! 8
applied here. For further information on mounting and wiring, use the LOGO! 8
manual and follow the connection instructions in the product information supplied
with your device.
3.1
Connecting LOGO! TDE
The LOGO! TDE must be operated with a voltage of 12V DC or 24V AC/V DC and
is installed separately. Siemens recommends protecting the LOGO! TDE by means
of an 0.5 A fuse at the power supply.
The voltage connection is not polar. If you connect a DC power supply to the
LOGO! TDE, you can connect the positive supply line or the negative supply line
according to
earth.
Communication to LOGO! takes place via the Ethernet interface (1).
Figure 3-1: Hardware structure for application example
3.2
Wiring the LOGO!
When wiring up LOGO!, use a screwdriver with a blade 3 mm in width. Wire-end
ferrules are not required for the terminals.
You may use conductors that fulfill the following requirements:
Cross sections of up to (1×2.5mm
chamber
Wiring material: Cu
Nominal insulation temperature: 75 °C
Tightening torque: From 0.5 Nm to 0.6 Nm or 4.5 in.lbf to 5.3 in.lbf.
1. LOGO! is a switching device with protective insulation. You must
Notes
connect the FE terminal to earth.
2. After installation, the terminals must be covered. To protect LOGO!
sufficiently against inadmissible contact with live parts, the country-
specific standards must be observed.
3. A metal oxide varistor (MOV) can be used for voltage peaks on the
supply line. Make sure that the operating voltage of the varistor is at
least 20 % higher than the nominal voltage (e.g. S10K275).
LOGO! 8 TDE Central control for individual switching of general consumers
Entry ID: 109755864,
V1.0,
Figure 3-1
(2) either to pin 1 or to pin 2. Pin 3 must be connected to
1
2
04/2018
2
2
) or (2×1.5mm
) for every other terminal
8
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