Brainchild PR20 User Manual

Page 107 of 479
Expressions
Mathematics Functions
SIN(x)
sin(x)
COS(x)
cos(x)
EXP(x)
e
x
SQRT(x)
Square root of x
LN(x)
log
e
(x)
LOG(x)
log
10
(x)
ABS(x)
Absolute of x
POW (x,y)
x
y
ROUND(x)
The closest integral number to x
HI(x,y)
The bigger value between x and y
INV(x)
1/x
TG(x)
tan(x)
CTG(x)
1/tan(x)
ASIN(x)
Sin
-1
(x)
ACOS(x)
Cos
-1
(x)
ATG(x)
Tan
-1
(x)
x%y
Remainder of x/y
x^y
x
y
The analog output expression should follow the below syntax for the expression.
For example AO1 is required to retransmit current output 4 to 20mA corresponds to AI1
scaled with -120°C to 1000°C should have the expression as below.
4+ (20-4)*(AI1-(-120)) / (1000-(-120))
5.1.4.5 Modbus
The scaling of the channel value in Modbus communication.
5.1.5 Digital Output
After entering the Configuration menu, in the Channel, select DO then Press the “Enter” soft key
to get into DO Channel configuration menu. . It displays the DO channel DO1 as the first DO channel
configuration page. Press directional navigation keys at the bottom to select other
channels. Press directional keys on the right hand side to select the column. After
completing Configuration, press soft key, then press soft key to return to main
display. All configurations will be saved automatically.

Brainchild PR20 Specifications

General

Brand	Brainchild
Model	PR20
Category	Measuring Instruments
Language	English