Download TP 277, OP 277 (WinCC flexible) - Service, Support

Transcript
Mounting and Connecting
4.3 Connecting the HMI Device
4.3
4.3.1
4.3
Connecting the HMI Device
Overview
Requirement
• The HMI device must be mounted according to the specifications of these operating
instructions.
• Always use shielded standard cables.
For further information, refer to the SIMATIC HMI catalog ST 80.
Connection sequence
Connect the HMI device in the following sequence:
1. Equipotential bonding
2. Power supply
Perform a power-up test to ensure the power supply is connected with the correct
polarity.
3. PLC
4. Configuration computer as necessary
5. I/Os as necessary
Notice
Connection sequence
Always follow the correct sequence for connecting the HMI device. Failure to do so may
result in damage to the HMI device.
Disconnect the HMI device by completing the above steps in reverse order.
Connecting the Cables
When connecting the cables, ensure that you do not bend any of the contact pins. Secure
the connectors with screws.
The pin assignment of the ports is described in the specifications.
See also
Safety Instructions (Page 2-1)
4-4
TP 277, OP 277 (WinCC flexible)
Operating Instructions, 09/2007, 6AV6691-1DH01-0AB0