Connecting The Hmi Device; Conditions - Siemens SIMATIC TP 270 Operating Instructions Manual

4.3

Connecting the HMI device

4.3.1

Conditions

Requirements
The following condition must be fulfilled before the HMI device is connected electrically:
• The HMI device must be installed according to the information provided in these
Electrical connections
Connect the HMI device in the following sequence:
1. Potential equalization line
2. PLC
3. Configuration computer as necessary
4. Peripheral equipment as necessary
5. Power supply
TP 270, OP 270, MP 270B (WinCC flexible)
Operating Instructions, Edition 03/2004, 6AV6691-1DD01-0AB0
operating instructions.
Notice
Connection sequence
Carefully follow the sequence of HMI device connections. Failure to do so may result in
damage to the HMI device.
When disconnecting the connections, it is essential to proceed in the reverse sequence.
Installation and connection
4.3 Connecting the HMI device
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