Siemens SIPART PS2 Operating Instructions Manual page 25

Improper laying of shielded cables
Risk of explosion through compensating currents between hazardous area and the
non‑hazardous area.
• Shielded cables that cross into hazardous areas should be grounded only at one end.
• If grounding is required at both ends, use an equipotential bonding conductor.
Connecting or disconnecting device in energized state
Risk of explosion in hazardous areas.
• Connect or disconnect devices in hazardous areas only in a de-energized state.
• Install a suitable switch-off device.
Exceptions:
• Devices having the type of protection "Intrinsic safety Ex i" may also be connected in
Incorrect selection of type of protection
Risk of explosion in areas subject to explosion hazard.
This device is approved for several types of protection.
1. Decide in favor of one type of protection.
2. Connect the device in accordance with the selected type of protection.
3. In order to avoid incorrect use at a later point, make the types of protection that are not used
NOTICE
Standard cable gland/torque
Device damage.
• Owing the reasons pertaining to tightness (IP enclosure rating) and the required tensile
• In the NPT version, the positioner is delivered with a coupling. When inserting a counter
SIPART PS2 (6DR5...)
Compact Operating Instructions, 11/2022, A5E03436620-AG
WARNING
WARNING
energized state in hazardous areas.
WARNING
permanently unrecognizable on the nameplate.
strength, only use the cables having a diameter ≥ 8 mm for standard M20x1.5 cable gland,
or use a suitable seal insert in case of smaller diameters.
piece in the coupling, ensure that the maximum permissible torque of 10 Nm is not
exceeded.
Connecting
4.1 Basic safety instructions
25