Programmable Relay ● User Manual for ELC, EXM and PR Series 218 2020 v6.0 ● © Rievtech Co.,
Ltd. ● www.rievtech.com
This special function can be used perform one of four
arithmetic functions on two values. The functions are
Addition, Subtraction, Multiplication or Division.
The data types of these two values can be Unsigned Char,
Signed Char, unsigned Short, signed Short, unsigned
Integer or signed Integer.
When the input to pin EN is High
the block is enabled.
First analogue value for
calculation.
Range: -2147483648 to
+2147483647
Second analogue value for
calculation.
Range: -2147483648 to
+2147483647
Arithmetic Operand – +, -, x or ÷
Data Type – Unsigned or Signed
Integer
Value to Output when EN is False
– Zero or Last Value calculated
Decimals in Message Text – 0, 1, 2
or 3. Used to place decimal point
in value when displayed on the
CPU LCD using Message Text
block.
Analogue output of calculation
result.
Range: -2147483648 to +
2147483647
Analogue output of status code:
0 = No error
1 = Division by 0
2 = Calculation Overflow
Program
Settings for VD blocks and General Arithmetic block