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9.4 Indicating MV and Remaining Step Time (program control)
To indicate MV, press the
key for approximately 3 seconds in PV/SV Display Mode.
The SV/MV/TIME Display indicates output MV and the MEMO/STEP Display indicates [ ].
SV and TIME of the SV/MV/TIME indicator are unlit, and MV of the SV/MV/TIME indicator is lit.
If the
key is pressed again during Fixed value control, the unit reverts to PV/SV
Display Mode.
If the
key is pressed during program control, remaining step time is indicated on the
SV/MV/TIME Display.
SV and MV of the SV/MV/TIME indicator are unlit, and TIME of the SV/MV/TIME indicator is lit.
By pressing the
key again, the unit reverts to PV/SV Display Mode.
During Fixed value control
:
PV/SV Display Mode
(Automatic control)
key (3 sec)
key
Output MV
indication
9.5 AT/Auto-reset Perform, AT Cancel
In order to set each value of P, I, D and ARW automatically, the AT process should
be made to fluctuate to obtain an optimal value. (See pages 73, 74.)
AT/Auto-reset Perform and AT Cancel can be set in [AT/Auto-reset] in the AT group.
Auto-reset can be performed when the unit is in P or PD control action. (See p.73.)
Auto-reset takes approximately 4 minutes. It cannot be released while performing this
function.
How to perform AT/Auto-reset
(1) Press the
key 3 times in PV/SV Display Mode.
The unit proceeds to the AT group.
(2) Press the
key.
The unit proceeds to ‘AT/Auto-reset’.
(3) Select [
/
] (AT/Auto-reset Perform) with the
key, and press
the
key.
The unit returns to PV/SV Display Mode, and AT/Auto-reset will initiate.
While performing AT/Auto-reset, the AT indicator is flashing.
AT will be forced to stop if it has not been completed within 4 hours.
During AT, if Direct/Reverse action (003) is switched in [Event input allocation], the
AT stops.
Auto-reset is cancelled in approximately 4 minutes. It cannot be released while
performing this function.