Siemens 7KM1020-0BA01-1DA0, Manual, Page: 19 / 94

Description
2.4 Digital inputs and outputs
PAC1020
Equipment Manual, 05/2020, L1V30610008B-01
17
2.4.2 Digital output
Functions
The following function can be assigned to the digital output:
•
Switching output for remote control via the interface
The digital output is remotely controlled via the integral communication interface. The
Modbus function codes can be found in chapter Modbus (Page 79).
• Energy pulse output, programmable for active energy pulses or reactive energy pulses
The digital output issues the parameterized number of pulses per energy unit (e.g. kWh).
① External power supply
② Input electronics
③ Load
Figure 2-3 Block diagram: Digital output
Wiring
The digital output is passive and implemented exclusively as a switch.
Figure 2-4 Block diagram: Digital output
Implementation of the pulse function corresponds to the IEC 62053-31 standard.