Rockwell Automation 1775-S4B,D17756.5.3 User Manual SCANNER/MSG HND User Manual
Page 10
2
Chapter
2Ć1
Introducing the I/O ScannerĆMessage
Handling Module
This chapter discusses the functions and features of the 1775-S4B scanner.
When you finish reading this chapter, you should:
Be able to identify the hardware components of the 1775-S4B scanner
Know the basic features and functions of the 1775-S4B scanner
Your 1775-S4B scanner fits into the PLC-3 processor chassis. Looking at
the front edge, you will see the following (figure 2.1):
Pass and Fail indicators
Thumbwheel
switch
I/O channel status indicators
Backup
connector
Channel 5 connector
Terminal swing arm
These components are described in the following sections.
2.0 Chapter Objectives
2.1
Looking at the 1775ĆS4B
Scanner's Front Edge
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