Dwyer 275 - Manual (Page 9)

Adjustment of User Characteristics (USER SET)
1. Push at VALVE mode and ACT RA or ACT DA is
displayed.
2. Push twice, then USER SET mode is started.
3. Push . *P0 SET mode is displayed. In this mode, users
can adjust the first point of characteristic in 16 points. The number
on the LCD is the valve stroke percentage set to P0.
4. Adjust valve stroke percentage using or .
5. Save it with . While P0 value is being saved, *P1 SET
mode is displayed.
6. *P1 SET mode is used to adjust the second point of characteristic in
16 points. Adjustment method is the same as *P0 SET mode.
7. Save the valve stroke percentage from P2 to P15 in the same way.
8. After adjustment of valve stroke percentage at *P15 SET mode, save
it with .
9. +SER SET is displayed. Sixteen points of valve stroke percentage
are all set. Push three times to return to RUN mode.
Adjustment of Tight Shut Open (TSHUT OP)
1.
Push at VALVE mode and ACT RA or ACT DA is
displayed. Push three times at this mode. TSHUT OP is
displayed.
2. Push . *SHUT OP mode is displayed and in this mode
users can set stroke at the time of Tight Open. Initial setting is done
as 100%, which means cancellation of this function. Adjust the
value (ex: 95.0%) by pushing or and save it with
. +SHUT OP is displayed.
3. Push three times to return to RUN mode.
Adjustment of Tight Shut Close (TSHUT CL)
1. Push at VALVE mode and ACT RA or ACT DA is
displayed. Push four times at this mode. TSHUT CL is
displayed.
2. Push . *SHUT CL mode is displayed and in this mode
users can set stroke at the time of Tight Close. Initial setting is done
as 0.3%. 0% means cancellation of this function. Adjust the value
(ex: 0.5%) by pushing or and save it by pushing
. +SHUT CL is displayed.
3. Push three times to return to RUN mode.
Adjustment of Split Range (SPLIT)
1.
Push at VALVE mode and ACT RA or ACT DA is
displayed.
2. Push five times and SPLIT mode is displayed. The
numbers on the LCD are the range of current signal input to the
positioner. 4 to 20 mA current signal is set as the standard.
3. Push . *SPLIT mode is displayed and input signal range
can be adjusted. Adjust input signal range with or
and save it with .
4. +SPLIT mode is displayed while saving adjusted range. Push
three times to return to RUN mode.
VIEW Mode
This mode provides users with various information about the Series v275
positioners. In this mode, users can change the valve stroke types
displayed on LCD to % or numbers. Refer to the next table for
information and description displayed on VIEW mode.
1. Push at AUTO CAL mode and VIEW mode is displayed.
2. Push at VIEW mode, then information mode is started.
3. Check information by using or and push .
4. Push again to return to RUN mode.
page 9
(1) Push . (2) Push twice. (3) Push .
(4) Adjust with ,
.
(5) Push . (6) Set P1.
(7) Set P2-P15. (8) Push . (9) Push
three times.
RUN MODE.
(1) Push
three times.
(2) Push . (3) Push
after adjustment with
, .
(4) Push
three times.
RUN MODE.
(1) Push
four times.
(2) Push . (3) Push
after adjustment with
, .
(4) Push
three times.
RUN MODE.
(1) Push . (2) Push
five times.
(3) Push .
(4) Push
after adjustment with
, .
(5) Push
three times.
RUN MODE.
(1) Push
four times.
(2) Push . (3) Check data with
, .
(4) Push . RUN MODE.