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ATO judgment
2.27.2
Several settings and condition signals are used in the ATO judgement process, which are
customized using PLC function.
ATO enable condition
(i)
When On is set for setting [ATO-EN], the ATO judgement process will be allowed to start when
ATO_READY signal has been generated at PLC connection point 'ATO_READY_COND' and it
is passed for over a certain time. The user can adjust the time with setting [T_ATO_Ready].
ATO start condition
(ii)
After generated 'ATO enable condition', ATO judgment will be generated if a start-up signal is
generated at 'ATO_START_COND'.
ATO judgement for issuing commands
(iii)
If the result of "ATO judgement" is outputted with some conditions and when the result has
been satisfied for over a certain time, ATO commands will be issued to change the lines of
power reception. ATO commands can be mentioned with "CB open" and "CB closed". The
number of ATO commands etc. is described below (note: asterisk '*' means a number of 1–5):
Number of ATO commands:
A number among 1 to 5 shall be set for setting [ATO-COM.NUM]. The number shall be
determined in accordance with the requests coming from some circumstances.
Generation of ATO commands :
ATO command generation shall be confirmed with signals and time conditions. Signal
conditions
'ATO_COM*_COND2'. Time condition can be described with the observation, which can
be done for over a certain time, which the user can set for setting [T_ATO_COM*].
Pulse-width of ATO command:
The pulse-width of ATO command can be set with a setting. The user should adjust the
length of pulse-width using the setting [A_ATO_COM*W] so that the breaker open/close
motion is performed completely.
will
be
described
- 310 -
with
two
states:
6F2T0207 (0.01)
'ATO_COM*_COND1'
GRE200 (5,6)
and
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