Position of Operator Control and Display Elements
The gure shows the arrangement of the controls and indicators on the front panel of the CP 440
communication processor.
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Figure 1-1 Arrangement of the Controls and Indicators on the CP 440 Communication Processor
LEDs
On the front panel of the
• INTF (red) indicates an internal error
• EXTF (red) indicates an external error
• FAULT (red) Fault display for interface
• TXD (green) Interface sending
• RXD (green) Interface receiving
Base Connector for S7 Backplane Bus
On the back panel of the CP 440 you will nd the base connector for the S7-400 backplane bus.
Product Description
1.3 Design of the CP 440
Point-to-point connection CP 440 Installation and Parameter Assignment
Equipment Manual, 03/2022, A5E00057742-AE 15
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