Flowserve MX Electronic Actuator - Manual (Page 12)

Limitorque MX Electronic Actuator FCD LMENIM2306-06 – 10/13
12
Figure 2.1 – Electrical operation
“ NO ” operates
close direction
“ YES” operates
open direction
Enter “ SETUP ” mode
OPEN VALVE
RETURN TO STOP
OPEN VALVE
OK ?
SAVE OPEN
LIMIT OK?
SETUP?
CLOSE VALVE
RETURN TO STOP
SAVE CLOSE
LIMIT OK?
CLOSE VALVE
OK ?
CLOSE VALVE
OK ?
EXIT
SETUP?
100% OPEN
STATUS OK?
SET CLOSE
POSITION LIMIT?
YES
YES YES 2
YES
YES
YES YES YES 2
NO NO
NO NO NO
YES 1
NO NO
NO
NO
STOP
STOP STOP
LOCAL
Switch to
LOCAL
Switch to
OPEN VALVE
OK ?
SET OPEN
POSITION LIMIT?
YES
NO NO
SET POSITION
PRECISION?
POSITION
XXX% OPEN?
YES
NO NO
POSITION
XXX.X% OPEN?
NO
IDENTICAL LIMITS
KEEP OPEN LIMIT?
YES
NO
IDENTICAL LIMITS
KEEP CLOSE LIMIT?
YES
NO
YES
YES
YES 1
NOTE 1: If open and close limits
are not identical
NOTE 2: If open and close limits
are identical
2.1.3 Handwheel Operation Feature
To set the position limits manually, enter the “CHANGE SETTINGS” mode via the “SETUP” mode.
1. Enter the “SETUP” mode as detailed in Section 2.1.1, Entering the Setup Mode.
2. When LCD reads “CHANGE SETTINGS?”, select “YES.”
3. The LCD will display the “CHANGE SETTINGS” mode menu items. Select “NO” until screen displays “CHANGE
POSITION SETUP?”
4. Select “YES.” See Figure 2.2. Manually set position limits:
a. Close position limit
1. “SET CLOSE POSITION LIMIT?” is displayed.
2. Select “YES.” “CLOSE VALVE - OK?” is displayed.
3. Depress the declutch lever, and at the same time slowly rotate the handwheel until the clutch is fully
engaged. Release the lever; the clutch will be retained in the handwheel mode by spring-loaded latches.
4. Ensure the valve is fully closed, then move the valve in the open direction for one handwheel turn to allow
for coasting of the motor.
5. When the valve is in the desired position, select “YES” again. The LCD will read “SAVE CLOSE LIMIT OK?”
6. Select “YES” if the valve’s close limit position is correct. The close position limit is set.
b. Open position limit
1. “SET OPEN POSITION LIMIT?” is displayed.
2. Select “YES.” “OPEN VALVE - OK?” is displayed.