Mounting and connection
4.3 Mounting and connecting the TP 177micro
OP 73micro, TP 177micro (WinCC flexible)
Operating Instructions, 09/2007, 6AV6691-1DF01-0AB0
49
NOTICE
Check the fit of the mounting seal on the front. The mounting seal must not protrude
from the HMI device.
Otherwise, repeat steps 1 to 4.
4.3.2
Connecting the HMI device
Requirements
The HMI device must be mounted according to the specifications of these operating
instructions.
Connection sequence
Connect the HMI device in the following sequence:
1.
Equipotential bonding
2.
Power supply
Perform a power-up test to ensure that the correct polarity of the supply voltage.
3.
PLC/configuration computer 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.
Connecting the cables
When connecting the cables, ensure that you do not bend any of the contact pins.
Secure the connectors with screws.
Always use shielded data cable. Always use standard cables. For further information, refer to
the SIMATIC HMI Catalog ST 80.
The pin assignment of the interfaces is described in the specifications.
See also
Safety instructions (Page 17)