Liquid Controls SP4000 - Manual (Page 98)

95
SP4000 Flow Computer
SERVICE & ANALYSIS
6.15
SERVICE &
ANALYSIS
(Continued)
Using the ohmmeter, check continuity between pins (17 & 18) and 18
& 19 while turning ON & OFF Relay 1 using the up/down arrow keys.
Press enter when test is completed.
Display: RELAY 1: OFF
TEST RELAY 1
Using the ohmmeter, check continuity between pins 20 & 21 and (21
& 22) while turning ON & OFF Relay 2 using the up/down arrow
keys. Press enter when test is completed.
Display: RELAY 2: OFF
TEST RELAY 2
Using the ohmmeter, check continuity between pins 19 & 20 while
turning ON & OFF Relay 2 using the up/down arrow keys. Press
enter when test is completed.
Display: RELAY 3: OFF
TEST RELAY 3
Using the frequency generator, apply a frequency to (+) Pin 2 and (-)
Pin 4. Compare the displayed frequency with the input frequency.
Display: 0.000 Hz
INPUT FREQUENCY
The calibration procedure is complete. You may now choose to save
this calibration as the Factory Calibration.
Display: NO
SAVE AS FACTORY CAL.
If you are not satisfied with the calibration results you can restore the
last saved Factory Calibration.
Display: NO
RESTOR FACT. CALIB.
This feature allows you to enter the next date you would like the unit
to be calibrated. This is very useful when components must be
periodically calibrated. This date is included on Print Maint. and
Setup Reports.
Display: 10 DEC 1999
NEXT CALIBRATION
This feature allows you to transmit a maintenance report over the
RS-232 port for printout. The report includes error messages and
calibration information
Display: NO
PRINT MAINT. REPORT
RELAY TEST
RELAY 1
TEST
(Pins 17, 18 & 19)
RELAY 2
TEST
(Pins 20, 21 & 22)
RELAY 3
TEST
(Pins 19 & 20)
PULSE INPUT TEST
INPUT
FREQUENCY
(Pins 2 & 4)
SAVE AS FACTORY
CALIBRATION
RESTORE FACTORY
CALIBRATION
SET NEXT
CALIBRATION DATE
PRINT
MAINT. REPORT