资料介绍
Common Panel Meter Setup Problems
General notes
When a person is setting up an instrument a commonly occurring problem is that
the functions they wish to alter do not appear on the display. If this happens the
likely cause of the problem is the setting of the “special function” (SPFN),
sometimes called the “remote input function” (R.INP). If this is set to “No
Program Access” (NO.Ac) or “Setpoint Access Only” (SP.Ac) then access to
functions will either not be allowed, or will be limited. To check the “special
function” setting and obtain access to the functions place a wire link between the
instruments external input (normally labeled “EXT-IN” on the electrical installation
diagram) and ground. This link is sometimes made via a key switch. With the link
in position access to the functions is now possible. When the link is removed the
access reverts to the “special function” access setting.
When setting up the instrument it is important to note that if the instrument is left in
the function mode for too long it will “time out” and revert to normal measuring
mode.
Upon power being applied to the instrument a “switch on” or “wake up” display
routine takes place. This typically comprises an LED test (****) followed by
factory and software version identification messages and finally a “live” reading
from the input sensor or test input. This routine is normal and should not be taken
as indicating a fault.
General notes
When a person is setting up an instrument a commonly occurring problem is that
the functions they wish to alter do not appear on the display. If this happens the
likely cause of the problem is the setting of the “special function” (SPFN),
sometimes called the “remote input function” (R.INP). If this is set to “No
Program Access” (NO.Ac) or “Setpoint Access Only” (SP.Ac) then access to
functions will either not be allowed, or will be limited. To check the “special
function” setting and obtain access to the functions place a wire link between the
instruments external input (normally labeled “EXT-IN” on the electrical installation
diagram) and ground. This link is sometimes made via a key switch. With the link
in position access to the functions is now possible. When the link is removed the
access reverts to the “special function” access setting.
When setting up the instrument it is important to note that if the instrument is left in
the function mode for too long it will “time out” and revert to normal measuring
mode.
Upon power being applied to the instrument a “switch on” or “wake up” display
routine takes place. This typically comprises an LED test (****) followed by
factory and software version identification messages and finally a “live” reading
from the input sensor or test input. This routine is normal and should not be taken
as indicating a fault.
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