IM-P343-35 CTLS Issue 5
33
SP500 Electropneumatic Smart Positioner
7.1 2-port valves
The following applies to positioners fitted to 2-port valves having plug above the seat and fitted to pneumatic
actuators having a direct acting (DIR) 4 - 20 mA input signal and excludes the setting of any additional
program functions (i.e. default value only).
Note: For PN5100 and PN6100 series actuators an additional programming step is required. (Refer to
Section 9.5.2).
7.1.1
The positioner should be correctly assembled as described in Section 5 and Section 6 and supplied
with mains air and signal pipework as described in Section 5.4.
7.1.2
Provide a minimum input signal of 3.6 mA to the positioner. SET-UP NOW should be displayed.
7.1.3
Ensure that upstream isolation valves are closed.
Press and hold
key for 3 seconds to advance to SP500 MENU. The display will count down the
3 seconds.
7.1.4
Press to advance to MANOP.
7.1.5
Press and hold
key for 3 seconds to enter manual control mode MCTL.
7.1.6
In manual control press and hold or keys to drive the valve stem up or down. Check for any
obstructions of valve movement.
The display will indicate FILL or VENT as appropriate.
Any obstruction should be investigated before proceeding to Section 7.1.7.
7.1.7
Press
key to return to MANOP in main menu.
7.1.8
Press key to advance to AUTOS autostroke mode.
7.1.9
Press and hold
key for 3 seconds to start the autostroke routine. This will take approximately 2
minutes to complete. ! displayed indicates an incomplete or unsuccessful autostroke.
The routine can be aborted at any time by pressing
key once.
If autostroke is aborted during operation ABORT will be displayed and ! to indicate incomplete
autostroke. On completion the program will automatically return to AUTOS in main menu.
A will be displayed if successful autostroke has been completed. It is now possible to advance
to RUN in main menu.
7.1.10
Press key three times to advance to RUN in main menu.
7.1.11
Press and hold
key for 3 seconds to commence automatic operation.
The valve will move to a control position related to the input control signal.
The percentage valve travel will be displayed %.
The positioner cover can now be closed and cover screws tightened.
7.2 3-port valves (with travel setting (TRAVL) 0 - 100%, refer to Figures 27 and 28)
Proceed as above up to Section 7.1.9.
7.2.1
On completion of a successful autostroke press the key once to advance to SET in main menu.
7.2.2
Press
key once to advance to valve type. Press key to indicate VALVE 3- PORT.
7.2.3
Press
key to select VALVE 3- PORT. Continue to press
key to return to SET in main menu.
7.2. 4
Press key twice to advance to RUN in main menu. Proceed as described in Section 7.1.11.
7. Quick start procedure
To Next Page
Loading...
Need help?
General
