ABB Relion 670 series - Page 20

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