TPU2000/2000R Modbus/Modbus Plus Automation Guide
77
Figure 5-27. User Definable Register Configuration Screen
When using the ABB ECP Relay configuration program or the ABB WinECP Relay configuration program, the
following menu items must be selected for each of the 32 mappable and scalable entries. The scaled register
addresses are resident in Modbus addressing format from Register 40001 through 40032. The following fields
must be configured to perform scaling correctly:
Table 5-9. Register Scaling Queries
WIN ECP/ ECP QUERY QUERY SELECTIONS
SCALING METHOD UNIPOLAR
NEGATIVE UNIPOLAR
BIPOLAR
OFFSET BIPOLAR
DESTINATION REGISTER JUSTIFICATION
(Selectable with Scaling Method)
LSB (Least Significant Bit)
MSB (Most Significant Bit)
DESTINATION REGISTER SIZE 16 Bits
12 Bits
8 Bits
4 Bits
2 Bit
SOURCE REGISTER ADDRESS 257 – XXXX which is a valid 4X register listed
within this document
SOURCE REGISTER TYPE 16 Bits Signed
16 Bits Unsigned
32 Bits Signed
32 Bits Unsigned
SOURCE SCALE RANGE 1 – 65535
SOURCE SCALE TYPE CURRENT
VOLTAGE
POWER
NORMAL
REMAINDER
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