S7-400 Automation System, CPU Specifications
Manual, 10/2006, 6ES7498-8AA04-8BA0
11-1
IF 964-DP interface module
11
11.1 Using the IF 964-DP interface module
Order numbers
You can use the IF 964-DP interface module with order number 6ES7964-2AA04-0AB0 in
the CPUs of the S7-400 as of firmware version 4.0.
The interface module identifier is on the front panel and can therefore be identified when it is
installed.
Features
The IF 964-DP is used to connect distributed I/Os over "PROFIBUS-DP". The module has a
floating RS-485 interface. The transmission rate is 12 Mbps maximum.
The permitted cable length depends on the transmission rate and the number of nodes. On a
point-to-point link at a transmission rate of 12 Mbps, a cable length of 100 m is possible and
at 9.6 Kbps, a length of 1200 m can be achieved.
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