Modules Terminal modules
4 AI I 4WIRE HART x x x
4 AI RTD x x x
4 AI TC x x x
4 AO I HART x x x
Reserve module x x x x
2)
x
2)
WATCHDOG x x x
1)
Only available as replacement part
2)
As of product version 3 of the reserve module
4.4 Rules for operation in hazardous areas
4.4.1 PROFINET congurations in zones for IM 152-1PN
General rules
Regardless of the conguration of the ET 200iSP in the hazardous areas or in the safe area, the
following applies:
The ET 200iSP distributed I/O device can only be operated on ber-optic cables:
Secure optical connections are required in the following cases:
• When the communication devices are located in an ATEX/IECEx Zone 1 or 21.
• When the connections run through an ATEX/IECEx Zone 1 or 21.
The requirement for the previously mentioned use cases is regulated in EN/IEC 60079-28. The
devices that meet the standard have been labeled with "Ex nA [op is Gb] IIC T4 Gc" until now.
A change in this standard with version 2015 exempts devices with optical transceivers that meet
the limits of Class 1 according to IEC 60825-1 from this directive.
WARNING
Explosion hazard
Only connect intrinsically safe devices to PROFINET IO.
The connection of bus testers to the ber-optic cable is not permitted.
1. Media converters RJ45/FOC are required for connection to the CPU.
2. Marking of the SFP transceiver in the media converter as Class 1 according to IEC 60825-1
(not only for hazardous areas!)
3. Marking of the cables/lines to the actuators and sensors as intrinsically safe (e.g. light blue
in color).
Congurations (principle)
4.4 Rules for operation in hazardous areas
ET 200iSP
62 Operating Instructions, 11/2022, A5E00247483-AK
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