System Components and Technical Data
112 Unrestricted SICAM A8000 / CP-8000 • CP-8021 • CP-8022 Manual
DC8-037-2.02, Edition 10.2017
• Functions for the support of redundant communication routes
─ PSI redundancy (synchronous connections)
─ 104 redundancy according IEC 60870-5-104 Edition 2.0
− 104 redundancy “controlled station” with 1 Ethernet interface
─ 1703 redundancy
─ Dual LAN interface with integrated switch for ring or star configurations (DNIP)
− Switch mode
1)
• SICAM TOOLBOX II connection over LAN/WAN ("remote connection")
─ Remote connection based on HTTP/HTTPS
1)
─
Authentication in SICAM RTUs using connection password (optional)
1)
─ Warning “Remote Operation”
1)
• Security
─ IPSec VPN
− IPSec in tunnel mode: initiator
1)
− Authentication / encryption based on pre-shared key
1)
− Internet Key Exchange protocol: IKEv1, IKEv2
1)
− Authentication: HMAC-SHA1, SHA2_224, SHA2_256, SHA2_384, SHA2_512,
HMAC-MD5
1)
− Encryption: AES-128/-192/-256, 3DES
1)
− Diffie Hellman group: group 1, group 2
1)
─ Security logging
− SysLog Client
1)
• Special functions
─ Summer time bit (SU) = 0 for all messages in transmit direction (time tag)
─ Day of week (DOW) = 0 for all messages in transmit direction (time tag)
─ Originator address = 0 for all messages in transmit direction
─ WhiteList filter
─ Data throughput limitation
− Suppress error in case of connection failure
− Error handling for connection with “failure = suppress”
─ NT-Bit simulation after connection failure
─ General interrogation after connection is OK
______
1)
function is integrated in the Master Module
2)
recommendation max. 10 connections
Note
The previously mentioned functions are described in detail in the document SICAM RTUs • Ax 1703
Common Functions Protocol Elements, section "LAN Communication (104)".
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