Rockwell Automation 900 Temperature Controller Communications Functions - Series B - Manual (Page 7)

P-1 Publication 900-UM004D-EN-E - July 2010
Preface
Safety Precautions Safety Signal Words
This manual uses the following signal word to mark safety precautions for the
Bulletin 900-TCx.
These precautions provide important information for the safe application of
the Bulletin 900-TCx Temperature Controller. You must make sure to follow
the instructions provided in all safety precautions.
Conventions Used in This
Manual Meanings of Abbreviations
The following abbreviations are used in parameter names, figures, and in text
explanations. These abbreviations mean the following:
➊ EU stands for Engineering Unit. EU is used as the minimum unit for engineering 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…+1300
°
C, 1 EU is 1
°
C, and when the input temperature setting range is –20.0…+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.
ATTENTION
!
Identifies information about practices or circumstances
that can lead to personal injury or death, property damage
or economic loss
Table P.1
Symbol Term
PV Process value
SP Set point
AT Auto-tuning
ST Self-tuning
EU Engineering unit ➊