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3 SPECIFICATIONS
3.4.3 Output signal functions
Xn2
Buffer memory(00
Yn2
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(1) Setting mode/operation mode command (Yn1)
(a) This signal is used to set the operation mode of the temperature control
function.
• OFF : Setting mode
• ON
: Operation mode
(b) This signal is set to all 4 channels together.
(c) The following setting items may be changed only when Yn1 is off.
• Input range (20
• Alert 1 to 4 mode setting (C0
A write data error (error code 3) will occur if any of these items is changed in
the operation mode.
(d) Refer to Section 3.2.13 for the Q64TC operation governed by ON/OFF of the
setting mode/operation mode command.
(2) Error reset command (Yn2)
This signal is used to turn off the write error flag (Xn2) and clear (reset) the write
data error code storage buffer memory.
OFF
00
)
H
H
OFF
(3) Auto tuning command (Yn4 to Yn7)
(a) This signal is used to start auto tuning.
(b) Turning on the auto tuning command (Yn4 to Yn7) starts auto tuning and
turns on the auto tuning status flag (Xn4 to Xn7).
When auto tuning is completed, the auto tuning status flag (Xn4 to Xn7) turns
off.
(c) Keep the auto tuning command on while auto tuning is in execution, and turn
it off on completion of auto tuning.
(d) Turning off the auto tuning command during auto tuning execution stops auto
tuning.
When auto tuning is stopped, the PID constants in buffer memory do not
change.
Auto tuning command
(Yn4 to Yn7)
Auto tuning status flag
(Xn4 to Xn7)
(e) Auto tuning is not performed when the proportional band (P) setting buffer
memory (23
H
, 40
, 60
, 80
)
H
H
H
H
to C3
H
ON
Error code
, 43
, 63
, 83
) setting is 0.
H
H
H
, D0
to D3
, E0
to E3
H
H
H
H
ON
During auto tuning
MELSEC-Q
, F0
to F3
)
H
H
H
00
H
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