Sharp JW-20CM User Manual page 156

Programmable controller
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③ In the case of slave station (PC 01 to 77
· Communication monitor flag
This flag is used to monitor the communication condition with other stations. Non-connected
station keeps this flag as "OFF."
Flag
Own
station
Flag
Other
station's
flag
· Operation condition monitor flag [1]
This flag is used to monitor the operation condition of each station when the communication with
each station is normal.
Non-connected station keeps this flag as "OFF."
Flag
Own
station
Flag
9
Other
station's
※ Even if the own station PC has stopped operation normally or by an error, the JW-20CM
turns "ON" this flag while communicating.
Condition for flag operation
When the link start switch is set to "01
master station normally.
When the link start switch is set to "00
flag
When link start switch "00
Condition for flag operation
Normal communication with each station.
Stopped communication or unable to
communication with each station.
Communication monitor flag (1) of the master
station is turned "OFF."
Condition for flag operation
Communication monitor flag (1) of the own station is turned "ON."
Communication monitor flag (1) of the own station is turned "OFF."
flag
Condition for flag operation
Each station is operating.
Each station stops operation (not by an error cause).
Communication monitor flag (1) of the own station
flag
is turned "OFF."
Slave station that communication monitor flag (1)
is turned to "OFF."
)
(8)
," and at communicating with a
(H)
."
(H)
" of the master station is OFF.
(H)
Flag operation
Flag operation
9
58
·
Flag operation
ON
OFF
ON
Specific
station
OFF
All stations
Flag operation
※ON
OFF
ON
Specific
station
OFF
All slave
stations
Not specified

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