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Conventions Used in This Manual
Model Notations
“E5AZ/E5EZ” is used when the information being provided applies to all E5@Z-@3@@ Digital Temper-
ature Controllers. The notation used in the manual for information that is restricted by the model is
given in the following table.
Note The E5AZ/E5EZ provides optional functions when an E53-AZM option board
is mounted along with one or two (E53-AZH and another) option units.
Meanings of Abbreviations
The following abbreviations are used in parameter names, figures and in text explanations. These
abbreviations mean the following:
Note “EU” stands for Engineering Unit. EU is used as the minimum unit for engi-
neering units such as
°C, m, and g.
The size of EU varies according to the input type. For example, when the input
temperature setting range is –200 to +1300
°C, 1 EU is 1°C, and when the
input temperature setting range is –20.0 to +500.0
°C, 1 EU is 0.1°C.
In the case of analog input, the size of EU varies according to the decimal
point position of the scaling setting, and 1 EU becomes the minimum scaling
unit.
How to Read Display Symbols
The following tables show the correspondence between the symbols displayed on the displays and
alphabet characters.
Notation Optional function
E53-AZM Option board is mounted along with one or two of the following option units.
E53-AZH Heater burnout alarm option unit
E53-AZ01 RS-232C communications option unit
E53-AZ03 RS-485 communications option unit
E53-AZB Event input option unit
Symbol Term
PV Process value
SP Set point
SV Set value
AT Au to-t uning
ST Self-tuning
EU Engineering unit (See note.)
ABCDEFGHI J KLM
NOPQRSTUVWXYZ
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