YOKOGAWA DpharpEJX vigilantplant EJX Series - Block Setting

IM 01C25T01-01E
3-19
3. OPERATION
6
F0331.EPS
If the reading on the ammeter is
4.000 mA, select YES and press
ENTER (F4).
If the reading is not 4.000 mA,
select item 2. NO. Repeat steps
and until the ammeter reads
4.000 mA.
EJX:YOKOGAWA
Fld dev output 4.000
mA equal to reference
meter?
1 Yes
2 No
HELP SET ABORT ENTER
EJX:YOKOGAWA
Setting fld dev
output to 20mA
DEL SET ABORT OK
7
4
4
5
5
Press OK (F4), and the transmitter
outputs a 100% output signal.
EJX:YOKOGAWA
Enter meter value
20.000
19.050
HELP DEL ABORT ENTER
8
Carry out the same procedures as
those described under and .
EJX:YOKOGAWA
Fld dev output 20.000
mA equal to reference
meter?
1 Yes
2 No
HELP ABORT
9
Returning fld dev to original
output appears.
DEL ENTER
(OK)
(ENTER)
(ENTER)
‘1 9.0 5 0‘
EJX:YOKOGAWA
NOTE-Loop may be
returned to automatic
control
HELP ESC
10
Press OK (F4).
DEL OK
(OK)
(ENTER)
Ammeter reading: 19.050
Ammeter reading: 20.000
Ammeter reading: 4.000
1
F0332.EPS
Select the Scaled D/A trim item.
EJX:YOKOGAWA
Analog output trim
1 D/A trim
2 Scaled D/A trim
3 Clear D/A trim
HELP SET HOME OK
EJX:YOKOGAWA
WARN-Loop should be
removed from
automatic control
DEL SET ABORT OK
2
Press OK (F4).
EJX:YOKOGAWA
Trim will be scaled
from 4.000 to 20.000
1 Proceed
2 Change
HELP DEL ABORT ENTER
3
Select Change, and press ENTER
(F4).
When item 3. Proceed is selected,
D/A trim must be carried out.
EJX:YOKOGAWA
Set scale- Lo output
value
4.000000
1
HELP ABORT
4
Enter the value read on the meter
when the signal is 4 mA. In this
case, Enter the value of the voltage
across a 250 Ω resistor (1 V), and
press ENTER (F4).
DEL ENTER
(OK)
(ENTER)
‘1’
EJX:YOKOGAWA
Set scale- Hi output
value
20.000000
5
HELP ABORT
5
Enter the value read on the meter
when the signal is 20 mA. Then,
enter 5, and press ENTER (F4).
DEL ENTER
(ENTER)
‘5’
Example 2: To adjust using a voltmeter
6
Select Proceed and press ENTER
(F4).
EJX:YOKOGAWA
Trim will be scaled
from 1.000 to 5.000
1 Proceed
2 Change
HELP SET ABORT ENTER
EJX:YOKOGAWA
Connect reference
meter
DEL SET ABORT OK
7
Connect the voltmeter, and press
OK (F4).
EJX:YOKOGAWA
Setting fld dev
output to 4mA
HELP DEL ABORT OK
8
Press OK (F4). A 0% output signal
is output.
(OK)
(OK)
(ENTER)
1. Device setup
2 Diag/Service
3. Calibration
2. Analog output trim
2. Scaled D/A trim