101 Basic Series - Module 25 - CEU Education
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1
How is conventional I/O connected to the PLC?
2
Capacitive touch screens are well suited for industrial environments because they can't be calibrated to simultaneously work with finger, glove, and other objects.
3
Operator Interfaces with LCD can display text or simple graphics in monochrome, no shading.
4
The electronics section houses the "brains" of the operator interface.
5
What are the two basic categories for today's electronic OI?
6
Electronic IO only needs one connection to the PLC in contrast to the many wires needed by conventional IO.
7
What does OI stand for?
8
Serial transfer (RS232, 422, 485) has one sender and one or more "listeners", but can send to only one device at a time.
9
A software package allows you to configure the screen layout permitting rapid and flexible changes.
10
What does Electronic OI provide over Conventional OI?
11
Dual-scan technology has a better viewing screen than TFT technology.
12
Electronic OI can be as small as a paperback book.
13
You cannot organize the display of an electronic IO like you can with conventional IO.
14
CRT (cathode-ray tube) displays are larger than many displays and generate heat. But, they are not affected by electromagnetic fields.
15
One worker touches a touch screen with the eraser end of a pencil. Another worker touches the same screen with his finger to make changes. This touch screen is ________.
16
What effects allows the software to replicate on-screen the dynamics of an actual task?
17
The types of touch screens are resistive and ________.
18
The terms AND, OR, and NOT are used in combining and comparing data to determine an outcome. What method of operation is this called?
19
Electronic OI allows faster more effective human interface because of custom visual images and ________.]
20
Proprietary design means both hardware and software are unique to the particular brand of electronic OI.