Sharp JW-20CM User Manual page 154

② In the case of a master station (PC 00)
· 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
(master
station)
Flag
Other
station's
(01 to 77)
The master station periodically executes communication recovery operation with the
communication error slave station. When the error situation is recovered, the master station
returns to normal communication.
· Operation condition monitor flag [1]
This flag is used to monitor the operation condition of slave stations when the communication
with each slave station is normal.
Non-connected station keeps this flag as "OFF."
Flag
9
station flag
(master
station)
Flag
Other
station's
(01 to 77)
※ Even if a master 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
normally.
When the link start switch is set to "00
Improper setting of parameter, BCC check error, or other errors.
Condition for flag operation
Normal communication with slave stations.
Stopped communication or unable to
communicate with slave stations.
flag
Communication monitor flag (1) of the master
station is turned "OFF."
Condition for flag operation
Own
Communication monitor flag (1) of the master station is turned "ON."
Communication monitor flag (1) of the master station is turned "OFF."
Condition for flag operation
Slave station is operating.
Slave station stops operation (not by an error cause).
Communication monitor flag (1) of the master
flag
station is turned "OFF."
Slave station that communication monitor flag (1)
is turned to "OFF."
," and the master station is operating
(H)
."
(H)
Flag operation
ON
OFF
Flag operation
ON
OFF
All slave stations
Not specified
9 56
·
Flag operation
ON
OFF
Specific
slave
station
All slave stations
Flag operation
※ON
OFF
Specific
slave
station