Siemens SIMATIC ET 200iSP Operating Instructions Manual page 226

Maintenance
8.1 Activities during operation
Activities
Firmware update of the IM 152-1PN via PROFINET IO
Firmware update of the IM 152-1DP via PROFIBUS DP
In areas with combustible dust, the enclosure of the ET 200iSP may not be opened for this handling/activity.
1
Death or serious injury may occur if the following precautions are not taken
If a power supply is disconnected too early, sparking could cause an explosion.
After unlocking a power supply of the ET 200iSP, wait at least 2 minutes before removing the
power supply in a potentially explosive atmosphere.
Disconnecting the fiber-optic cable
Do not look directly at the end of the fiber optic cables (do not look into the opening of the
optical transmitting diodes). The emitted light beam could damage your eyes.
Permitted activities in zone 2
In addition to the activities permitted in zone 1, the following activity is also permitted:
• Inserting and labeling electronic modules 2 DO Relay UC60V/2A (Page 147)
Death or serious injury may occur if the following precautions are not taken
Disconnect and connect the cables for the supply voltage of the power supply PS DC24V at the
terminal module TM-PS-A or TM-PS-B during operation. This action is only permitted if there is
no danger of explosion or if no voltage is applied to the terminal module TM-PS-A or TM-PS-B.
Disconnect and connect the cables to the actuators on the terminal module TM-RM/RM during
operation. This action is only permitted if there is no danger of explosion or if no voltage is
applied to the terminal module TM-RM/RM.
226
WARNING
WARNING
WARNING
Zone 1 Zone 2 Zone 21
X X X 1
X X X 1
Operating Instructions, 11/2022, A5E00247483-AK
Zone 22 See section ...
X 1 Maintenance
(Page 225)
X 1 Maintenance
(Page 225)
ET 200iSP