Power Supply - Siemens Second Wind Function Manual

Safety instructions, standards and notes

2.4 Power supply

2.4 Power supply
Safety specifications
CAUTION
Damage to the HMI device
Only operate the HMI device with approved components:
• Batteries
• Charging station
• For office environments only: Tabletop power supply unit
Order information of the components is available on the Internet at
"http://mall.automation.siemens.com".
Injury or material damage
You may operate the HMI device in the plant only with the battery or in the charging station.
Operation with the desktop power supply module is not permitted.
Effectiveness of the emergency stop button
The emergency stop button only has an effect if the HMI device is integrated into the safety
program.
Charging station
Injury or material damage
The charging station complies with the following standards:
• EN 50335-2-29
• DIN EN 60204-1
• Protection class III in accordance with EN 61131-2 or EN 50178.
The 24 VDC power supply must be ensured by safely isolating the low voltage from
hazardous voltages, e.g. by using a safety transformer or equivalent equipment.
Allowance should be made for the loss of voltage on the connection cable during
dimensional analysis of the supply!
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WARNING
WARNING
WARNING
Fail-safe operation of the Mobile Panel 277F IWLAN
Function Manual, 08/2008, 6AV6691-1FQ01-2AB0