C443-1 Adv in S7-400H

 Can be in this case used C443-1 Adv in S7-400H?

X1 port for first connection (together with swich wher is connected CPU1 and DCS 1st chaneel)

X2 port for second connection (together with switch is connected CPU1 and DCS 2nd channel)

Kaulquappe

Hello Saad,
the MODB4H block is not capable of hot standby.
CP443-1EX11 and -1EX20 are not capable of multiport function.

Regards,
Kaulquappe

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Split from S7-400H with CP443-1. ( As Server) is communicating with Yokogawa DCS (As Client).