Table of Contents
Advertisement
Foreword
Operational reliability and safety regulations
Detailed information on the operational reliability and safety regulations can be found in the
"Mobile Panel 177" operating instructions.
Voltage supply
Warning
The HMI device conforms to protection class III in accordance with EN 61131-2 or EN
50178. The 24 VDC supply must be ensured by safe separation of extra low voltage from
dangerous contact voltages, e.g., using a safety isolation transformer or equivalent devices.
The supply circuit must be protected against short circuits with a 3.15 A fuse.
Therefore, when sizing the supply, you must pay attention to the voltage drop on the
connecting cable.
Operating instructions (compact) - for the professional
Important information on Mobile Panel 177 is summarized in the available operating
instructions (compact).
Operating Instructions
Detailed information on Mobile Panel 177 can be found in the "Mobile Panel 177" operating
instructions.
The "Mobile Panel 177" operating instructions and further documentation are available for
download on the internet under "http://www.siemens.com/automation/service".
Mobile Panel 177 (WinCC flexible)
Operating Instructions (Compact), Edition 07/2005
i
Advertisement
Table of Contents
