Overview - Siemens SIPART PS2 Operating Instructions Manual

When operating the positioner with natural gas, you must follow and adhere to the following
safety notes:
Operation with natural gas
1. Only positioners and option modules which are connected to power supplies with type of
2. Do not operate the positioner with natural gas in closed spaces.
3. Natural gas is continuously blown off in the servo-drive depending on the model. Special
4. The mechanical limit switch module must not be used when operating the positioner
5. Depressurize the devices operated with natural gas adequately during maintenance
Note
Quality of natural gas
Only use natural gas which is clean, dry and free from additives.
7.2

Overview

Note
• During the initialization process, the operating pressure must be at least one bar more
General information about commissioning
1. After installing the positioner on a pneumatic actuator, you must supply electric and
2. The positioner is in the "P manual mode" before initialization. At the same time, "NOINI"
3. Position feedback: You can adjust the range of position detection using the friction clutch
4. Adjust the positioner as per the respective actuator with the help of the initialization
SIPART PS2 with and without HART
Operating Instructions, 02/2016, A5E00074631-AB
WARNING
protection "Intrinsic safety, protection level [ia]" may be operated with natural gas.
care must therefore be taken during maintenance activities near the positioner. Always
ensure that the immediate surroundings of the positioner are adequately ventilated.
The maximum values for ventilation are listed in section "Technical data for natural gas
as actuator medium (Page 252)".
with natural gas.
activities. Open the cover in an explosion-free atmosphere and depressurize the device
for at least two minutes.
than that required to close or open the valve. However, the operating pressure should not
be greater than the maximum permissible operating pressure for the actuator.
pneumatic auxiliary power to it.
blinks in the lower line of the display.
if necessary.
process and by setting the parameters. If required, use the "PRST" parameter to cancel
Commissioning
7.2 Overview
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