Serial Poll; 98 Device Clear.3 - HP 6034A User Manual

Line t
OVERTEMPERATURE-Set when an over
temperature condition causes shutdown
of output.
Either:
1. OT fault ceases and SRQ was no!
set (for any fault!, or
2. Serial poll, if OT fault ceased after
SRO (for any fault).
UNREGULATED'Set when output is
unregulated either because load tries
to draw excess power or because of
low input power.
Either:
1. Unregulated fault ceases and SRO
was not set (for any fault), or
2. Serial poll, if unregulated fault
ceased after SRO {for any fault).
OVERVOLTAGE Set when OVP circuit
trips.
Either:
i. Reset of OVP circuit if SRO was to
set (for any fault), or
Serial poll, if OVP circuit is reset
after SRQ (for any fault).®
LIMIT MODE Set when either:
1. Unit is programmed as a voltage
source (Ml) but switches to
constant current operation, or
2. Unit is programmed as a current
source (M2) but switches to
constant voltage operation.
Either:
1. Limit mode operation ceases and
SRQ was not set (for any fault), or
2. Serial poll, if limit mode operation
ceases after SRQ (for any fault).
16 DISABLE Set when unit is disabled
upon receipt of either an "S" or
Device Clear command.
Power supply reenabled upon receipt
of an "R".
32 INVALID REQUEST Set upon receipt
oi an invalid request (syntax error or
out of limits).
Serial
64
REQUEST SERVICE set when 0034A
requests service, indicates il unit
was requesting service when polled.
Serial poll (if fault has
been corrected).
128
POWER ON set when unit initializes
at power or,.
Serial poll.
Notes:
1 Masking Overtemperature or OVP does not prevent shutdown of output in case of overtemperature i
2 Serial poll does not reset OVP circuit, just the OVP bit.
tions
Can
Request
Service?
SRQ
Can Be
Masked?
SRQ
Can Be
Delayed? Front Panel Indicator
Yes Yes®
No
OTP indicates present
state of OT circuit, not
OT bit.
Yes
Yes
Yes UNREGULATED indicates
present state of power
supply output, not
UNREGULATED bit.
Yes Yes® No OVP indicates present
state of OVP circuit,
not OVP bit.
Yes Yes Yes MODE indicators
indicate present state of
power supply, not LIMIT
bit.
No
DISABLED indicates the
state or the DISABLED
bit.
H
Yes No INVALID REQUEST
indicates the state of
the INVALID REQUEST
bit.
....
SRQ indicates the state
of the REQUEST
SERVICE bit.
Yes
OVP condition.