Output Signal Functions - Mitsubishi Electric MELSEC Q Series User Manual

3 SPECIFICATIONS

3.4.3 Output signal functions

Write error flag (Xn2)
Write data error code
(buffer memory address: 0
Error reset command (Yn2)
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(1) 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 (buffer memory address: 20
• Alert set value 1 to 4 (buffer memory address: 26
69 , 86
H H
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
Operation mode command (Yn1).
(2) Error reset command (Yn2)
This signal is used to turn off Write error flag (Xn2) and clear (reset) Write data
error code (buffer memory address: 0
OFF
00
)
H
OFF
(3) Auto tuning command (Yn4 to Yn7)
(a) This signal is used to start auto tuning.
(b) Turning on Auto tuning command (Yn4 to Yn7) starts auto tuning and turns
on Auto tuning status (Xn4 to Xn7).
When auto tuning is completed, Auto tuning status (Xn4 to Xn7) turns off.
(c) Keep Auto tuning command (Yn4 to Yn7) on while auto tuning is in execution,
and turn it off on completion of auto tuning.
(d) Turning off Auto tuning command (Yn4 to Yn7) during auto tuning execution
stops auto tuning.
When auto tuning is stopped, the PID constants in buffer memory do not
change.
Auto tuning start command
(Yn4 to Yn7)
Auto tuning status
(Xn4 to Xn7)
(e) Auto tuning is not performed when the set value of the proportional band (P)
setting (buffer memory address: 23
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H
).
H
ON
Error code
H
, 43
H
MELSEC-Q
, 40 , 60 , 80 )
H H H H
to 29 , 46 to 49
H H H
ON
During auto tuning
, 63 , 83 ) is 0.
H H H
, 66 to
H H
00
H
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