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4 
Product description
00
DIO
DIO
DIO
DIO
XF2XF1
LINK
ACT
LINK
ACT
BF
ERR
SF
RUN
X01
X03
X05
X07
X02
X04
X06
X08
01
01
01
01
00
00
00
00
01
01
01
01
00
00
00
UAUS
BNI XG3-508-0C5-Z015
BNI00K8
XF2
IN
XD1
XF1
OUT
XD2
POWER
21.2
0.3
21.2
37.9
Ø 7.5
68
64.4
7.5
224
208.5
M12x1 (8x) 7/8" M12x1
6.5
30.5 25 25 25 7/8" M12x1
1.8
Fig. 4-1:  Dimensions, design and function
4.1  Construction
Fig. 4-2: 
00
DIO
DIO
DIO
DIO
XF2XF1
LINK
ACT
LINK
ACT
BF
ERR
SF
RUN
X01
X03
X05
X07
X02
X04
X06
X08
01
01
01
01
00
00
00
00
01
01
01
01
00
00
00
UAUS
BNI XG3-508-0C5-Z015
BNI00K8
XF2
IN
XD1
XF1
OUT
XD2
POWER
Ethernet port 2Ethernet port 1
Power supply  
input
Power supply 
output
Port 2Port 1
Port 4Port 3
Port 6Port 5
Port 8Port 7
Mounting hole
Mounting hole
FE connection
Device overview
4.2  Function
The IO-Link master is a decentralized and configurable 
gateway that processes and evaluates the input and 
output signals of standard sensors and actuators as well 
as process data from connected IO-Link devices. 
The data is transmitted via an existing fieldbus interface to 
a higher-level controller set up by the user for further 
processing.
A web server is available on the IO-Link master for 
configuration and diagnostics.
For configuration information, see the 
configuration guide at www.balluff.com on the 
product page.
BNI  _ G3-508-0C5-Z015
Network interface