Siemens SENTRON PAC3120, Manual, Page: 20 / 160

Description
2.2 Measuring inputs
18
PAC3120 and PAC3220
Equipment Manual, 10/2019, L1V30425208F-01
Connection examples can be found in chapter Connection (Page 39).
NOTICE
The wrong system connection can cause irreparable damage to the devices.
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 at startup. You
can find the instructions for parameterizing the connection type in chapter Commissioning
(Page 55).
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 3P4WB 3P3WB 1P2W
Voltage L1 ✓ – ✓ – ✓
Voltage L2 ✓ – – – –
Voltage L3 ✓ – – – –
Voltage L1-L2 ✓ ✓ – ✓ –
Voltage L2-L3 ✓ ✓ – ✓ –
Voltage L3-L1 ✓ ✓ – ✓ –
Current L1 ✓ ✓ ✓ ✓ ✓
Current L2 ✓ ✓ – ✓ –
Current L3 ✓ ✓ – ✓ –
Apparent power L1 ✓ – ✓ – ✓
Apparent power L2 ✓ – – – –
Apparent power L3 ✓ – – – –
Total apparent power ✓ ✓ ✓ ✓ ✓
Active power L1 ✓ – ✓ – ✓
Active power L2 ✓ – – – –
Active power L3 ✓ – – – –
Total active power ✓ ✓ ✓ ✓ ✓
Reactive power L1 (VAR1) ✓ – ✓ – ✓
Reactive power L2 (VAR1) ✓ – – – –
Reactive power L3 (VAR1) ✓ – – – –
Total reactive power (VAR1) ✓ ✓ ✓ ✓ ✓
Power factor PF L1 ✓ – ✓ – ✓
Power factor PF L2 ✓ – – – –
Power factor PF L3 ✓ – – – –