Control Output Setting At Cpu Stop Error Occurrence - Mitsubishi Electric MELSEC Q Series User Manual

3 SPECIFICATIONS

3.2.12 Control output setting at CPU stop error occurrence

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(3) The Q64TC allows four different alerts (alert 1 to 4) to be selected and used from
among the alerts, wait alert and re-wait alert.
Set the alerts mode used as alerts 1 to 4 at the following buffer memory
addresses:
Mode setting item
Alert 1
Alert 2
Alert 3
Alert 4
(4) Set the alert set value, alert dead band value and alert delay count at the following
buffer memory addresses:
Channel No.
1
2
3
4
(1) You can set the Q64TC control output (HOLD/CLEAR) to be provided when the
programmable controller CPU has generated a stop error.
(2) To make this setting, use the intelligent function module switch setting on GX
Developer.
• CLEAR : Stops the PID control, temperature judgement and alert judgement
functions and turns off external outputs.
• HOLD : Holds the control status prior to a programmable controller CPU stop.
For example, when PID control was exercised before a programmable
controller CPU stop, PID control is continued if the programmable
controller CPU stops.
Refer to Section 4.5 for details of the setting method.
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CH1 CH2
C0 D0
H H
C1 D1
H H
C2 D2
H H
C3 D3
H H
Buffer memory address
Alert set value Alert dead band value
26 to 29
H H
46 to 49
H H
66 to 69
H H
86 to 89
H H
MELSEC-Q
CH3 CH4
E0 F0
H
E1 F1
H
E2 F2
H
E3 F3
H
Alert delay count
A4 A5
H H
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H
H
H
H