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BIS U-4A7-082- _1C-07-S4
Industrial RFID-System – Read/Write Head
Installation
CAUTION
Ultra high frequency electromagnetic waves
The antenna of the read/write head emits ultra-
highfrequency electromagnetic waves. Additional
measures must be taken to prevent health hazards.
► Determine the mounting position of the antenna in
such a way that a safety distance of at least 20 cm
between the antenna and workplaces of persons is
ensured.
► Make sure that people do not stay in the vicinity of
the antenna for an extended period of time.
► Use suitable measures to shield areas that are
explicitly not to be covered.
For dimensions and tightening torques, see
figure.
The devices must be permanently installed. The
corresponding fastening nuts must be tightened to the
specified tightening torques.
Electrical connection
IO-Link port (M12, A-coded, socket)
PIN
1
2
1)
3
4
1) Pin 2 is a configurable digital output on which various signals of functions
can be output (see configuration guide).
► Connect data line to IO-Link master (for connection
cables and accessories, see www.balluff.com on the
product page).
Shielding and cable routing
Both unshielded and shielded cables can be used to
connect the devices. In systems with strong
electromagnetic interference, it is recommended to use a
shielded cable. The cable must be routed tension-free.
In addition, grounding the BIS U-4A7 housing can minimize
the influence of electromagnetic interference.
www.balluff.com
Display elements
Balluff Standard (delivery state)
Signal
Green, static
Green, alternating
with LED off in a
ratio of 10:1, 1 s
period
Red, static
Red, static
Red, flashing, 3 Hz
Yellow, static
Yellow, flashing,
3 Hz
Orange, flashing,
1 Hz
Blue, static
Blue, flashing, 3 Hz
Blue, flashing, 5 Hz
Function
Namur Standard
L+ (VS)
Signal
I/Q
Green, static
L− (0V)
C/Q
Static white
Green, alternating
with LED off in a
ratio of 10:1, 1 s
period
Red, static
Red, static
Red, flashing, 3 Hz
Yellow, static
Yellow, static, 3 Hz
Orange, flashing,
1 Hz
Blue, static
Blue, flashing, 3 Hz
Blue, flashing, 5 Hz
Meaning
The device is ready.
IO-Link communication is active.
General error
The sensor is currently in Teach-In
mode
Short circuit at Pin 2 or Pin 4.
CP signal (data carrier within RFID
range)
The device is operated outside of
specifications.
Poor signal quality (number of
bad data carrier accesses)
Maintenance must be performed.
The ping can be activated via a
system command to find the
device again.
Reader active
Meaning
The device is ready. Diagnosis
functions are on.
The device is ready. Diagnostic
functions are off.
IO-Link communication is active.
General error
The sensor is currently in Teach-In
mode.
Short circuit at Pin 2 or Pin 4.
CP signal (data carrier within RFID
range)
The device is operated outside of
specifications.
Poor signal quality (number of
bad data carrier accesses)
Maintenance must be performed.
The ping can be activated via a
system command to find the
device again.
Reader active
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