PART THREE - OPERATION
SECTION 6 - TEST/MAINTENANCE
Rev. 6-501
Model P53 pH/ORP Analyzer (universal-mount 1/2 DIN)
75
6.6 EPROM VERSION
Checking
6.7 SELECT SIM
Measurement
3.
Press
×
×
or
Ø
Ø
key
once to display
.
Relay A should now be de-energized. Confirm this by
checking its NO and NC relay output terminals with a
continuity meter.
4.
To end this test and return to the TEST/MAINT top-level
menu screen, press
ESC key
or
ENTER key
.
You can check the version of EPROM used in the analyzer.
1.
With the
screen displayed, use
Ø
Ø
key
to select the “EPROM VERSION” line.
2.
Press
ENTER key
to view the EPROM version screen.
3.
To return to the TEST/MAINT top-level menu screen,
press
ESC key
or
ENTER key
.
You can simulate a measured value to make the relays and
analog outputs respond accordingly. First, select the type of
simulated value using this subsection. Then, set the desired
simulation value following the steps in subsection 6.8.
1.
With the
screen displayed, use
Ø
Ø
key
to select the “SELECT SIM” line.
2.
Press
ENTER key
to display a screen like
. Use
Ø
Ø
and
×
×
keys
to view both
choices:
