Rockwell Automation 1775-S4B,D17756.5.3 User Manual SCANNER/MSG HND - Manual (Page 8)

Using this Manual
Chapter 1
1Ć2
We refer to certain types of equipment throughout this manual. To make
the manual easier for you to read and understand, we avoid repeating full
product names where possible.
We refer to:
I/O Scanner-Message Handling Module (cat. no. 1775-S4B) as the
1775-S4B scanner
I/O Scanner-Programmer Interface Module (cat. no. 1775-S4A) as the
1775-S4A scanner
Industrial Terminal System (cat. no. 1770-T4) as the industrial
terminal
RS-232-C compatible devices which communicate to the PLC-3
controller through the 1775-S4B scanner, such as the data terminals,
computers, or printers as RS-232-C devices
In this manual, we use certain notational conventions to indicate
keystrokes and items displayed on a CRT or printer:
is used to show keystrokes that you enter from the data
terminal keyboard. The keystrokes appear in blue and may
be enclosed in brackets to indicate a specific key on the
keyboard such as:
[ENTER]
In some cases, rather than specific keystrokes, you may be instructed to
enter a variable. In that case, the variable is printed in blue lower case
letters and enclosed in angle brackets (< >) such as:
is used to show the 1775-S4B scanner’s response to your
keystrokes such as:
S4B>
We describe any exceptions to these conventions where they occur.
1.3
Terminology
1.4
Conventions