Rockwell Automation Publication 856T-UM001B-EN-P - April 2021 7
Preface
This manual is a reference guide for the 856T-B24LC IO-Link module for
Control Tower™ stack lights. It describes the procedures to install, wire, and
troubleshoot this device.
Who Should Use This
Manual
Use this manual if you design, install, program, or troubleshoot systems that
use the 856T-B24LC module for stack lights.
You must have a basic understanding of electrical circuitry and familiarity
with safety-related systems. If you do not, obtain the proper training before
using this product.
Qualified personnel must conduct all inspections. A qualified person must
perform these tasks:
• Undergone the appropriate technical training
• The responsible machine operator has instructed personnel in the
operation of the machine and the current safety guidelines.
• Has read and has access to the user manual.
Abbreviations
Download Firmware, AOP,
EDS, and Other Files
Download firmware, associated files (such as AOP, EDS, and DTM), and access
product release notes from the Product Compatibility and Download Center at
rok.auto/pcdc
.
Abbreviation Description
ADC Automatic Device Configuration
AOI Add-On Instruction
AOP Add-On Profile
ASN Application-Specific Name
IEC International Electrotechnical Commission
IOOD I/O Device Description
NEC National Electric Code
QD Quick disconnect
RGB Red, green, blue
SIO Standard I/O
IO-Link module
Tower light IO-Link Class B light and sound module controller856T-B24LC
IOLD
POST IO-Link module power on self test
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