Siemens SENTRON PAC3100, Manual, Page: 25 / 152

Description
3.5 Digital inputs and outputs
SENTRON PAC3100
Manual, 07/2009, A5E02385159B-01
25
Switch with external power supply
In addition to the internal voltage on terminal DIC, and external voltage up to 30 V (typically
24 V) can be applied to terminal DIC.
DIC DI0 DI1 DOC DO0 DO1
(1) Functional ground terminal
(2) External voltage
Figure 3-7 Digital inputs with switch, internal power supply, and additional external power supply on
terminal DIC
3.5.2 Digital outputs
Functions
The following functions can be assigned to both digital outputs:
●
Energy pulse output, programmable for active or reactive energy
● Switching output for remote control via the RS 485 interface
Energy pulse output
The digital output supplies a number of pulses proportional to one of the following energies:
●
Active energy import
● Active energy export
● Reactive energy import
● Reactive energy export
Figure 3-8 Energy pulse output