www.balluff.com 5english
1.1  Validity
This guide provides all necessary information for the safe 
use of the following Profinet IO-Link masters:
–  BNI PG3-508-0C5-Z015
Order code: BNI00HL
With Profinet interface
BNI XG3-508-0C5-Z015
Order code: BNI00K8
With EtherCAT interface
Read this guide and the other applicable documents 
completely before installing and operating the product.
Original User’s Guide
This guide was created in German. Other language 
versions are translations of this guide.
© Copyright 2023, Balluff GmbH
All contents are protected by copyright. All rights reserved, 
including the right to reproduce, publish, edit and translate 
this document.
1.2  Other applicable documents
Additional information about this product can be found at 
www.balluff.com on the product page, e.g.in the 
following documents:
–  Data sheet
–  Declaration of Conformity
–  Disposal
1.3  Symbols and conventions
Individual actions are indicated by a preceding triangle.
 ► Instruction
Action sequences are numbered:
1.  Instruction 1
2.  Instruction 2
Numbers unless otherwise indicated are decimals 
(e.g.23). Hexadecimal numbers are represented with a 
preceding 0x (e.g.0x12AB).
Buttons or selectable menu entries are described in italic 
and small caps, e.g. 
Save.
Menu commands are joined with a greater-than sign, 
e.g.“
SettingS > OptiOnS” stands for the menu command 
Options from the Settings menu.
Note, tip
This symbol indicates general notes.
1.4  Explanation of the warnings
Always observe the warnings in this guide and the 
measures described to avoid hazards.
The warnings used here contain various signal words and 
are structured as follows:
SIGNAL WORD
Type and source of the hazard
Consequences if not complied with
 ► Measures to avoid hazards
The individual signal words mean:
NOTICE
Identifies a danger that could damage or destroy the 
product.
  CAUTION
The general warning symbol together with the signal 
word CAUTION indicates a hazard which can lead to 
slight or moderate injuries.
  DANGER
The general warning symbol in conjunction with the 
signal word DANGER identifies a hazard which, if not 
avoided, will certainly result in death or serious injury.
1.5  Technical terms and abbreviations used
C/Q Switching and communication line
ECT EtherCAT
EMC Electromagnetic compatibility
FE Functional earth
GND Electrical ground, 0V
I/O Standard inputs and outputs
IOL IO-Link
n. c. Not connected
PNT Profinet
UA Actuator supply
US Sensor supply
1.6  Pictures
The illustrations mostly show the device variant 
BNI XG3-508-0C5-Z015.
Product views and pictures in these operating instructions 
may differ from the specified product.
EtherCAT® is a registered trademark and patented
technology, licensed by Beckhoff Automation
GmbH, Germany.
1 
User instructions for this guide
BNI  _ G3-508-0C5-Z015
Network interface