Siemens SIPART Series - Page 35

Installing/mounting
4.1 Basic safety instructions
SIPART PS2 with and without HART
Operating Instructions, 10/2013, A5E00074631-11
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CAUTION
Please note the following before working on the control valve and when attaching the
positioner
Danger of injury.
• Prior to working on the control valve, you must move the control valve into a completely
pressureless state. Proceed as follows:
– Depressurize the drive chambers.
– Switch off the supply air Pz.
– Lock the valve in its position.
• Make sure that the valve has reached the pressureless state.
• If you interrupt the pneumatic auxiliary power to the positioner, the pressureless position
may only be reached after a certain waiting time.
• When mounting, observe the following sequence imperatively to avoid injuries or
mechanical damage to the positioner/mounting kit:
– Mount the positioner mechanically.
– Connect the electrical auxiliary power supply.
– Connect the pneumatic auxiliary power supply.
–
Commission the positioner.
WARNING
Mechanical impact energy
Protect the 6DR5...0-.G...-.... version of the positioner from mechanical impact energy
greater than 1 joule; this ensures adherence to the IP66 degree of protection.
NOTICE
Impact energy and torque
For versions 6DR5a.b-.Gc..-...., where a = 0, 2, 5, 6; b = 0, 1; c = G, N, M, P, Q, the
following is applicable:
The device must be protected against power surges of over one joule.
For versions 6DR5a.b-.Gc..-...., where a = 0, 2, 5, 6; b = 0; c = G, N, M, P, Q, the following
is applicable:
The maximum torque on the thread of the cable gland should not exceed 67 Nm.