Commissioning/Configuration
EP3356-0022
59
Version: 1.4
Variable
: Value (Real)
Meaning
: Calculated 32-bit fixed point REAL load value with mantissa and exponent in unit [1]
The format matches the REAL format of IEC 61131-3, which in turn is based on the REAL format of IEC 559.
A REAL number (single precision) is defined as follows (See also Beckhoff InfoSys:
). This 32-bit variable can be linked directly with a FLOAT variable of the PLC according
to IEC61131.
Bit position (from left)
1
8
23 (+1 „hidden bit“, see
IEC 559)
Function
Sign
Exponent
Mantissa
Voltage measurement
The EP3356 can also be used as a 2-channel analog input box for voltage measurement, see
.
Fig. 39: Voltage measurement
Summary of Contents for EP3356-0022
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