Flowserve Limitorque QX - Figure 4.11 - Electrical Operation; Figure 4.12 - Handwheel Operation

Limitorque QX Electronic Actuator FCD LMENIM3306-06 – 07/14
46
Figure 4.11 – Electrical operation
“ NO ” operates
close direction
“ YES ” operates
open direction
Continue with
“SETUP ” mode
OPEN VALV E
RETURN T O STO P
OPEN VALVE
OK ?
OPEN VALV E
OK ?
SAVE OPEN
LIMIT OK?
CHANGE
POSITION SETUP?
CLOSE VALVE
RETURN T O STO P
SAVE CLOSE
LIMIT OK?
CLOSE VALVE
OK ?
SET OPEN
POSITION LIMIT?
CLOSE VALV E
OK ?
SET CLOSE
POSITION LIMIT?
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO NO
NO
STO P
STO P
STO
P
LOCAL
Switch to
LOCAL
Switch to
SET POSITION
PRECISION?
POSITION
XXX% OPEN?
YES
NO
NO
POSITION
XXX.X% OPEN?
NO
YES
YES
Figure 4.12 – Handwheel operation
Declutch actuator;
Rotate handwheel to
“ CLOS E ” position limit
Rotate handwheel to
“ OPEN ” position limit
OPEN VALVE
OK ?
SAVE OPEN
LIMIT OK?
SAVE CLOS E
LIMIT OK?
CLOSE VALVE
OK ?
SET CLOS E
POSITION LIMIT?
SET OPEN
POSITION LIMIT?
YE S
STO P
YE S
YE S
YE S
YE S
YE S
NO
NO NO
NO
NO
NO
SET POSITION
PRECISION?
POSITION
XXX% OPEN?
YES
NO
NO
POSITION
XXX.X% OPEN?
NO
YES
YES
CHANGE
POSITION SETUP?
Continue with
“SETUP ” mode