Siemens SIMATIC HMI TP 177micro User Manual

Mounting and connection
4.2 Mounting and connecting the OP 73micro
OP 73micro, TP 177micro (WinCC flexible)
Operating Instructions, 09/2007, 6AV6691-1DF01-0AB0
41
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)
4.2.2.1 Interfaces
The figure below shows the interfaces of the HMI device.
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
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Figure 4-2 Interfaces of the HMI device
① Power supply connector
② RS 485 interface (IF 1B)
③ Chassis ground terminal
See also
Power supply (Page 146)
RS485 (IF 1B) on OP 73micro (Page 146)

Siemens SIMATIC HMI TP 177micro Specifications

General

Brand	Siemens
Model	SIMATIC HMI TP 177micro
Category	Control Panel
Language	English