In The Case Of A Master Station - Sharp JW-21MN User Manual

[2] In the case of a master station

(1) 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
When the parameter address 007777
station
and the master station is operating normally.
flag
When the parameter address 007777
(master
Improper setting of parameter, BCC check error, or other errors.
station)
Flag
Normal communication with slave stations.
Other
Stopped communication or unable to
station's
communicate with slave stations.
flag
Communication monitor flag (1) of the master
(01 to 77)
station is turned "OFF."
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.
(2) 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
Own
Communication monitor flag (1) of the master station is turned "ON."
station flag
(master
Communication monitor flag (1) of the master station is turned "OFF."
station)
Flag
Slave station is operating.
Slave station stops operation (not by an error cause).
Other
station's
Communication monitor flag (1) of the master
flag
station is turned "OFF."
(01 to 77)
Slave station that communication monitor flag (1)
is turned to "OFF."
* Even if a master station PC has stopped operation normally or by an error, the JW-21MN turns
"ON" this flag while communicating.
(3) Operation condition monitor flag [2]
This flag is used to monitor the abnormal stop of each slave station when the communication with
each slave station is normal.
Non-connected station keeps this flag as "OFF."
Flag
Own
Communication monitor flag (1) of the master station is turned "ON."
station flag
(master
Communication monitor flag (1) of the master station is turned "OFF."
station)
Flag
Each slave station is normal.
Any of the slave stations is faulty (caused to be
Other
stopped abnormally).
station's
Communication monitor flag (1) of the master station
flag
is turned "OFF."
(01 to 77)
Slave station that communication monitor flag (1) is
turned to "OFF."
* Even if a master station PC has stopped operation normally or by an error, the JW-21MN turns
"ON" this flag while communicating.
Condition for flag operation
(8)
(8)
Condition for flag operation
Condition for flag operation
Condition for flag operation
Condition for flag operation
Condition for flag operation
12-3
of the master station is set to "01
of the master station is set to "00
Flag operation
Specific
ON
slave
station
OFF
All slave stations
Flag operation
* ON
OFF
Flag operation
Specific
ON
slave
station
OFF
All slave stations
Not specified
Flag operation
* ON
OFF
Flag operation
Specific
ON
slave
station
OFF
All slave
stations
Not specified
Flag operation
,"
(H)
ON
."
(H)
OFF
12