* Register 35: Setting in the register defines the scaling factor PI for energy values
D. User Scaling ON, Measurement with Current Transformer 500:1 A
(1A Variants) and 500:5 A (5A Variants)
In this example, the D-CTR is divided into two parts: D-CTR1 is programmed in
the I/O module and taken into account with the process value, the other one
D-CTR 2 must be taken into account externally, in the high-level PLC, when
calculating the measured value:
500:1 A => D-CTR = 500 - D-CTR1 = 50, D-CTR2 = 10
500:5 A => D-CTR = 100 - D-CTR1 = 50, D-CTR2 = 2
Due to the high internal resolution of the current measurement in the I/O module,
the process values are available with mA resolution. The resolution and data type
of other measured values must be observed, so that the measured values do not
exceed the range limits (e.g. for the measured power values).