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7. INSTALLATION AND WIRING
7.1. Safety information
danger
Risk of injury due to electrical voltage.
• Shut down the electrical power source of all the con-
ductors and isolate it before carrying out work on the
system.
• Do not unscrew the cover of a powered device.
• Observe all applicable accident protection and safety
guidelines for electrical equipment.
Warning
Risk of injury due to nonconforming installation.
• The electrical installation can only be carried out by
qualified and skilled staff with the appropriate tools.
• Install appropriate safety devices (correctly rated fuse
and/or circuit-breaker).
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Warning
Risk of injury due to unintentional switch on of power
supply or uncontrolled restarting of the installation.
• Take appropriate measures to avoid unintentional acti-
vation of the installation.
• Guarantee a defined or controlled restarting of the
process subsequent to any intervention on the device.
Protect the power supply.
• Fit the power supply with a fuse of a value suited
to the load to be switched, if it is not protected
by default.
• Use a shielded cable with an operating tem-
perature > +80 °C.
• Use a high quality electrical power supply,
filtered and regulated.
→ Loosen the screw of the housing cover.
→ Remove the cover.
→ Loosen the nut of the cable gland.
→ Insert the cable through the nut then through the cable
gland and refer to Fig. 5 or Fig. 6 for wiring.
→ Tighten the cable gland.
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→ Install the cover and check for the correct position of
the seal.
→ Tighten the supplied screw at a torque rating between
0,5 and 0,8 Nm.
Connection of the power supply
Red LED: ON
during t
on
and
OFF during t
off
Red LED:
ON when
the device is
energized
(+) (-)
(+): V+
(-): 0V
: Protec-
tive earth
Fig. 5: Terminal assignment of the 1078-1
Connection of the
configuration module
1077-2
Red LED: ON when the
device is energized
Red LED: ON during t
on
and OFF during t
off
(+) (-)
Reset
(+): Power supply
(-): Power supply
: Protective
earth
: Binary input
(ON/OFF contact)
Fig. 6: Terminal assignment of the 1078-2
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8. COMMISSIONING
8.1. Safety information
danger
Risk of electric shock.
• When the device is switched on, the cover must be
closed.
Warning
Danger due to nonconforming commissioning.
Nonconforming commissioning could lead to injuries and
damage the device and its surroundings.
• Before commissioning, make sure that the staff in
charge have read and fully understood the contents of
the manual.
• In particular, observe the safety recommendations and
intended use.
• The device/installation must only be commissioned by
suitably trained staff.