Maintenance; Activities During Operation - Siemens SIMATIC ET 200iSP Operating Instructions Manual

Maintenance

7.1

Activities during operation

Properties
The table below describes the activities that can be performed on the ET 200iSP in Zone 1,
Zone 2, Zone 21, and Zone 22 during operation.
Requirements
Death or severe personal injury may result if the following precautions are not taken
Hazardous location zone 1 and zone 2: You are allowed to open the enclosure of the ET
200iSP briefly for the permitted maintenance work.
Hazardous location zone 21 and zone 22: Do not open the ET 200iSP enclosure in locations
where there is combustible dust.
Permitted activities in hazardous locations
Table 7-1 Permitted activities in hazardous locations
Activities
Inserting and removing modules during operation (hot
swapping) in zone 1 and zone 2
Maintenance during operation (visual checks)
Cleaning
Removing and inserting the bus connector from terminal
module TM-IM/EM in zone 1 and zone 2
Disconnecting the wires to the sensors, actuators, and
HART field devices on terminal module TM-EM/EM in Zone
1 and Zone 2
Requirement for disconnecting the wires to the actuators
on terminal module TM-RM/RM in Zone 1 and Zone 2: Re‐
move the Ex d isolating plug on the TM-RM/RM. See sec‐
tion "Wiring terminal module TM-RM/RM" Wiring terminal
module TM-RM/RM (Page 119) .
Making new parameter settings and diagnostics for the ET
200iSP
IM 152 firmware update via PROFIBUS DP
In areas in which there is combustible dust, the enclosure of the ET 200iSP must not be opened to perform these activities.
1
ET 200iSP
Operating Instructions, 11/2017, A5E00247483-07
WARNING
Zone 1 Zone 2 Zone
21
X X
X X X
1
X X
X X
X X
X X
X X
X X X
1
Zone Reference ...
22
Maintenance
X Maintenance
1
Maintenance
Wiring
Wiring
Wiring
Commissioning and di‐
agnostics
X Maintenance
1
7
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