Siemens SIPROTEC 7SJ62 Manual page 25

The capability of switching primary equipment can be restricted by a setting associated with switching authority
(Remote or Local), and by the operating mode (interlocked/non-interlocked, with or without password request).
Processing of interlocking conditions for switching (e.g. switchgear interlocking) can be established with the aid
of integrated, user-configurable logic functions.
Messages and Measured Values; Recording of Event and Fault Data
The operational indications provide information about conditions in the power system and the device. Measure-
ment quantities and values that are calculated can be displayed locally and communicated via the serial inter-
faces.
Device messages can be assigned to a number of LEDs on the front cover (allocatable), can be externally pro-
cessed via output contacts (allocatable), linked with user-definable logic functions and/or issued via serial in-
terfaces.
During a fault (system fault) important events and changes in conditions are saved in fault protocols (Event Log
or Trip Log). Instantaneous fault values are also saved in the device and may be analized subsequently.
Communication
The following interfaces are available for the communication with external operating, control and memory sys-
tems.
A 9-pole DSUB miniature female connector on the front panel serves the purpose of local communication with
a PC. By means of the SIPROTEC 4 operating software DIGSI, all operational and evaluation tasks can be
executed via this operator interface, such as specifying and modifying configuration parameters and settings,
configuring user-specific logic functions, retrieving operational messages and measured values, inquiring
device conditions and measured values, issuing control commands.
Depending on the individual ordering variant, additional interfaces are located at the rear side of the device.
They serve to establish extensive communication with other digital operating, control and memory components:
The service interface can be operated via electrical data lines or fiber optics and also allows communication
via modem. For this reason, remote operation is possible via personal computer and the DIGSI operating soft-
ware, e.g. to operate several devices via a central PC.
The additional port (only 7SJ64) is designed exclusively for connection of a RTD-Box (= resistance tempera-
ture detector) for entering external temperatures. It can also be operated via data lines or fibre optic cables.
The system interface ensures the central communication between the device and the substation controller. It
can also be operated via data lines or fibre optic cables. Standard protocols are available to transmit data ac-
cording to IEC 60870-5-103 via system port. The integration of the devices into the automation systems
SINAUT LSA and SICAM can also take place with this profile.
The EN-100-module allows the devices to be integrated in 100-Mbit-Ethernet communication networks in
control and automation systems using protocols according to IEC61850. Besides control system integration,
this interface enables DIGSI-communication and inter-relay communication via GOOSE.
Alternatively, field bus coupling with PROFIBUS FMS is available for SIPROTEC 4. The PROFIBUS FMS ac-
cording to DIN 19245 is an open communication standard that particularly has wide acceptance in process
control and automation engineering, with exceptional high performance. A profile has been defined for the
PROFIBUS communication that covers all of the information types required for protection and process control
engineering. The integration of the devices into the power automation system SICAM can also take place with
this profile.
Besides the field-bus connection with PROFIBUS FMS, further couplings are possible with PROFIBUS DP and
the protocols DNP3.0 and MODBUS. These protocols do not support all possibilities which are offered by
PROFIBUS FMS.
Furthermore, a redundant IEC 60870-5-103 interface is available.
SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
Introduction
1.2 Application Scope
25