Siemens 6DR5 Serie Mode D'emploi page 14

3.7 Installing option modules
A number of option modules are provided for the positioner. Different option modules are available depending on the version
of the device. Only the available option modules are listed below.
For additional information and the corresponding safety notes to be observed when installing the option modules, refer to the
detailed operating instructions for your respective device version.
Option modules in standard and intrinsically safe versions
The following option modules are available:
● Iy module
● Alarm module
● SIA module
● Limit value contact module
● EMC filter module
Option modules in "flameproof enclosure" version
The following option modules are available:
● Iy module
● Alarm module
4 Connecting
4.1 Basic safety instructions
WARNING
Improper power supply
Danger of explosion in hazardous areas as result of incorrect power supply, e.g. using direct current instead of alternating
current.
● Connect the device in accordance with the specified power supply and signal circuits. The relevant specifications can
be found in the certificates, in Chapter "Technical data (Page 34)" or on the nameplate.
WARNING
Unsafe extra-low voltage
Danger of explosion in hazardous areas due to voltage flashover.
● Connect the device to an extra-low voltage with safe isolation (SELV).
WARNING
Connecting device in energized state
Danger of explosion in hazardous areas.
● Connect devices in hazardous areas only in a de-energized state.
Exceptions:
● Circuits of limited energy may also be connected in the energized state in hazardous areas.
● Exceptions for type of protection "Non-sparking nA" (Zone 2) are regulated in the relevant certificate
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SIPART PS2 (6DR5...)
A5E03436620-04, 02/2014