Modules And Submodules - Siemens SIPROTEC 7SS522 V4.6 Manual

Design and Connection System
8
9
10 LED key for testing and resetting the LEDs
2.1.2

Modules and Submodules

Figure 2-2 Module arrangement in the central unit
Power supply mod- The power supply (SV) has a width of 4 standard mounting spaces.
ule (SV)
Each of the other units has a width of 2 standard mounting spaces.
Communication The communication module (D-CPU) is used for communication between the central
module (D-CPU) unit and the DIGSI software. It also offers a control center interface, a service port and
5 binary inputs. An integrated electrical EN100 module for the communication via
IEC 61850 is optionally available.
Input/output The I/O module (EAZ) comprises 16 alarm relays.
module (EAZ)
16
Function keys:
F1
Alarm list
F2
Operational events
F3
Measured values
F4
Last fault
freely parameterizable LEDs for display of process or device information. Next
to the LEDs, there is a labeling strip for labeling of the function of each LED.
7SS52 V4 Manual
C53000-G1176-C182-3