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english
BNI LH3-303-S12-K091
Network interface – Digital hub
Display elements
Module status LEDs
LED Anzeige
Bedeutung
US
Red,
flashing,
1 Hz
Operating voltage of device is too
low or too high.
Green, static Voltage in the nominal range.
UA
Red, static
No operating voltage at UA.
Red,
flashing,
1 Hz
Operating voltage is too low or
too high.
Green, static Voltage in the nominal range.
(IOL)
Green,
alternating
with LED off
in a ratio of
10:1, 1 s
period
IO-Link communication is active.
The device is ready.
Green, static No communication.
For Port/Pin LEDs, see user’s guide or
IO-Link
Configuration
document at
www.balluff.com
on
the product page.
Installation
You can find mounting accessories under
www.balluff.com
on the product page.
►
Fasten the module with 2 × M4 screws and a
tightening torque of 3 Nm using the mounting holes.
Requirements for complying with the protection
classes:
For IP67, all plugs and caps must be properly connected
and the tightening torque of 0.6 Nm must be observed
(see data sheets of connectors and caps).
Shielding and cable routing
Shielding
The connection to the higher-level IO-Link master and the
connection to the extension device is made with a
standard sensor cable.
Since the housings are made of non-conductive
material, interfering signals cannot just flow
through the shielding to the FE. The shielding of
the cable should be connected to the FE
(functional earth) either on the sensor or module
side. If connection is not possible on the sensor
side, the adapter cable available from Balluff as an
optional accessory can be used. The adapter
cable routes the shielding of the cable to Pin 5 of
the port and thus to FE.
Digital sensors and actuators are connected to the
described hubs using standardized, unshielded sensor
cables.
Cable length
The IO-Link connection cable may be max. 20 meters
long, the connection cables between analog sensors,
digital sensors as well as actuators and hub max.
30 meters.
Electrical connection
Grounding
To counteract EMC
interference, the functional
earth connection must be
used.
►
Connect the earth terminal to the functional earth (FE)
of the machine.
The FE connection between the housing and
the machine must have a low impedance and
be as short as possible.
►
Use the grounding strap included in the
scope of delivery.
