Siemens 7KM1020-0BA01-1DA0, Руководство пользователя, Страница: 16 / 94

Description
2.2 Measuring inputs
PAC1020
14
Equipment Manual, 05/2020, L1V30610008B-01
The input circuit of the device must correspond to one of the connection types listed. Select
the suitable connection type for the purpose.
Connection examples can be found in chapter Connection (Page 25).
NOTICE
The wrong system connection can cause irreparable damage to the device.
Before connecting the device, make sure that the local power supply conditions match the
specifications on the rating plate.
The short code of the connection type must be entered in the device settings on
commissioning. You can find the instructions for parameterizing the connection type in
chapter Commissioning (Page 37).
Displaying the measured variables depending on the connection type
The table below shows which measured values can be represented depending on the
connection type.
Table 2- 2 Display of measured variables depending on the connection type
Measured variable Connection type
3P4W 3P3W
Voltage L1 ✓ –
Voltage L2 ✓ –
Voltage L3 ✓ –
Voltage L1-L2 ✓ ✓
Voltage L2-L3 ✓ ✓
Voltage L3-L1 ✓ ✓
Current L1 ✓ ✓
Current L2 ✓ ✓
Current L3 ✓ ✓
Current N ✓ –
Active power L1 ✓ –
Active power L2 ✓ –
Active power L3 ✓ –
Total active power ✓ ✓
Reactive power L1 (Q1) ✓ –
Reactive power L2 (Q1) ✓ –
Reactive power L3 (Q1) ✓ –
Total reactive power (Q1) ✓ ✓
Power factor PF L1 ✓ –
Power factor PF L2 ✓ –
Power factor PF L3 ✓ –
Total power factor PF ✓ ✓
Frequency ✓ ✓
Total active energy import ✓ ✓