WAGO-I/O-SYSTEM 750
Functions
57
753-668/000-004 4FAI 0/4-20 mA Diff PROFIsafe
Manual
Version 1.0.0, valid from HW/SW Version 01/01
Formula for calculating the relative tolerance from the process values:
∆𝑃𝑊
𝑟𝑒𝑙
= ±
|𝑃𝑊
𝐸𝑊1
− 𝑃𝑊
𝑀𝐴
| ∗ 𝑇
𝑟𝑒𝑙
100
Factor
Value
PW
rel
Relative tolerance of the process value
PW
MA
Process value for start of measurement range (depending
on measurement range and analog value data format)
PW
EW1
Process value for unit value 1 (depending on
measurement range and analog value data format)
T
rel
Set relative tolerance in %