ABB RELION 670 SERIES Manual page 20

Section 2
Security in Substation Automation
14
it easier for our customers to address NERC CIP requirements and maintain
compliance standards.
Maintenance Center (Security Zone 4)
Encrypted
communication
Workstation
Antivirus
Firewall /
Router /
VPN
Station LAN
Perimeter Protection
IEC12000189 V3 EN-US
Figure 2: System architecture for substation automation system
Security Zone 2
MicroSCADA Pro SYS600
Antivirus
IEC 61850-8-1 Station Bus
Control and Protection IED
Cyber security deployment guideline
1MRK 511 399-UEN B
Remote Control Center
(Security Zone 3)
Encrypted
communication
Firewall / Router / VPN
MicroSCADA Pro SYS600C
Security Zone 1
IEC12000189-3-en.ai
670 series 2.2 IEC