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(10)CH Alert occurrence flag (RX18 to RX1B)
When an alert occurs, the alert definition is stored in CH Alert definition (RWr4 to RWr7), and this signal turns
on.
For conditions where this signal turns off, refer to the following.
Page 176, Section 8.3.11 (5)
The following table lists the signals and remote register areas corresponding to each channel.
Channel
CH1
CH2
CH3
CH4
Time chart for CH1
Ex.
CH1 Alert occurrence
CH1 Alert definition (RWr4)
(a) Condition where CH Alert occurrence flag (RX18 to RX1B) turns off
The conditions differ depending on the setting of CH Stop mode setting (address: 118H, 148H, 178H, 1A8H).
CH Stop mode setting (address: 118H, 148H,
178H, 1A8H)
Stop (0)
Monitor (1)
Alert (2)
Alert occurrence flag
RX18
RX19
RX1A
RX1B
OFF
flag (RX18)
0
Controlled by the temperature control module
Condition where CH Alert occurrence flag (RX18 to RX1B) turns off
When either of the following conditions is met
• The cause of an alert was eliminated.
• The module shifted from operating status to stop status (when CH Operation monitor (RX11 to
RX14) turned off).
The cause of an alert was eliminated.
Standard
Heating-cooling
ON/OFF status
OFF: An alert does not occur.
ON: An alert occurs.
ON
Detected alert definition
APPENDICES
Alert definition
RWr4
RWr5
RWr6
RWr7
289
A
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