Connecting The Iot2000 Extension Modules; Notes On Connecting - Siemens SIMATIC IOT2000 Series Operating Instructions Manual

3.3

Connecting the IOT2000 Extension Modules

3.3.1

Notes on connecting

Risk of lightning strikes
A lightning flash may enter the mains cables and data transmission cables and jump to a
person.
Death, serious injury and burns can be caused by lightning.
Take the following precautions:
• Disconnect the device from the power supply in good time when a thunderstorm is
• Do not touch mains cables and data transmission cables during a thunderstorm.
• Keep a sufficient distance from electric cables, distributors, systems, etc.
NOTICE
Damage through regenerative feedback
Regenerative feedback of voltage to ground by a connected or installed component can
damage the device.
Connected or built-in I/Os, for example, a USB drive, are not permitted to supply any
voltage to the device. Regenerative feedback is generally not permitted.
IOT2000 Extension Modules
Operating Instructions, 2018/05, A5E39456816-AB
WARNING
approaching.
Installing and connecting the device
3.3 Connecting the IOT2000 Extension Modules
19