WATANABE WPMZ-1, Instruction Manual

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Graphical Digital Panel Meter WPMZ-1 INSTRUCTION MANUAL
77
IM-0882-03
No. Condition Checkpoint Action
4 Comparative output does
not turn OFF. Check setting of “comparison
judgement value” and
“hysteresis”.
・
Setting of ”comparison judgement
value”
・
Check whether output mode of
comparative output is set to
“Latch”.
5 Can’t change settings. Check “Setting Protect”
function. Check whether the function is ON.
6 Can’t execute
calibration.
Check “Adjust Protect”
function. Check whether the function is ON.
7 Can’t operate by keys. Check “Key Lock” function. Check whether the function is ON.
8 Fluctuations of displayed
value are wide. Check wring and measurement
target.
·
Check for wobble factors such as
vibration.
·
Make sure that the wiring is not
close to a power line etc. with high
noises.
If input signal drifts.
・
Consider to use moving average.
・
Consider to change sampling rate.
9 Analog output abnormal Check by “test output”
・
Check using “test output”
function.
Check connected load is
suitable.
・
Disconnect the load and check the
output value.
Check wiring.
・
Check whether the load is
connected to suitable terminal
(current output or voltage output).
Check settings.
・
Check scaling setting for analog
output.
・
Check selected displayable value
for analog output.
・
Check output range of analog
output.
10 BCD output abnormal
・
Check connected device is
suitable.
（
NPN/PNP,external
pullup etc.
）
・
Check output logic setting is
correct.
・
Check by using “test output”
function.
11 RS-232C communication
abnormal Check wiring, wire length is
correct.
Check setting such as baud
rate is correct.
Check communication
command is correct.
・
Check by using “test output”
function.
12 RS-485 communication
abnormal Check wiring, wire length,
termination, number of
connected devices are correct.
Check setting such as baud
rate is correct.
・
Check by using “test output”
function.
13 In a DC/process input
product, instantaneous
value has large offset
error Check whether the digital zero
function is working
・
Check digital zero function.
・
Check D-ZeroRetention function.