A-M Systems 2100 Інструкція з експлуатації - Сторінка 11
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Problem Solving
If the instrument appears to be not working properly, check all of the control settings
and connections. Be sure to wait at least 5- 10 seconds after turning the instrument off
before turning it on again. The following summary of typical problems for the user
(along with the most common solutions) may help:
Problem
EVENT indicator never lights, even in
FREE RUN mode.
OVERLAP indicator is on.
ERROR indicator is on.
Time appears to be excessive.
Can't seem to get a full signal out.
Incoming triggers not accepted frequently
enough
If you suspect that the Model 2100 may have completely failed, we recommend
checking the basic level of functionality. If this fails, your instrument is defective and
must be repaired. If this passes, either your experimental setup is incompatible or
inconsistent; or there is a more subtle flaw in your Model 2100.
If the Model 2100 appears to be malfunctioning, contact A-M Systems, Inc., or your
dealer.
A-M Systems
Cause/Solution
• Replace fuse, check power connection
• Set DELAY or PERIOD to a shorter interval.
• Power-on too soon after power-off.
• Set DURATION >0.00.
• DURATION is set to SQUARE, but PERIOD is
0.00. Increase PERIOD or set DURATION
independently.
• BURST and WIDTH are > DURATION.
Increase PERIOD or decrease DURATION.
• BIPHASIC pulse output is on and PERIOD is
not longer than twice the DURATION.
Increase PERIOD or decrease DURATION.
• Free-run is on and BURST is < PERIOD
(BURST off), DELAY is 0 and PERIOD is <
DURATION. Add, delay or modify PERIOD.
• Free-run is on, BURST > DURATION,
PERIOD < DURATION. Increase PERIOD.
• For VOLTAGE outputs: the output is trying to
drive too low a resistance or capacitance (e.g.
a short circuit). Check by disconnecting the
output. It is possible that for the fastest cycles
and largest amplitudes (close to 100V and
1µs) that the ERROR indicator might always
come on during repetitive pulses. Fix output
load or decrease amplitude as required.
• Changed control in mid-cycle, (resets current
status).
• Load is not properly connected, repair wiring.
• PERIOD is set too long, (enforces "dead time")
followed by BURST set to SIGNAL. Reduce
Table 1.0 Problem Solving
131 Business Park Loop, P.O. Box 850 Carlsborg, WA 98324
Telephone: 800-426-1306 * 360-683-8300 * FAX: 360-683-3525
E-mail: [email protected] * Website:
.
http://www.a-msystems.com
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