Mitsubishi Electric ME-RTU Bedienungsanleitung Seite 271

DEVICE PROPERTIES
1.6 Fill Out The Following Items For Masters Only
Item
1. Timeout waiting for Complete
Application Layer
Response (ms):
Timeout on Master if all fragments of
a response message are not received
in the specified time.
2. Maximum Application Layer
Retries for Request Messages:
The number of times a Master will
retransmit an application layer
request message if a response is not
received. This parameter must never
cause a Master to retransmit time
sync messages.
3. Incremental Timeout waiting
for First or Next Fragment of
an Application Layer
Response:
4. Issuing controls to off-line
devices:
Indicates if the Master issues control
requests to devices that are thought
to be off-line (i.e. the Master has not
seen responses to previous Master
requests).
5. Issuing controls to off-scan
devices:
Indicates if the Master issues control
requests to devices that are cur-
rently off-scan (i.e. the Master has
been configured not to issue poll
requests to the device).
6. Maximum Application Layer
Retries for Control Select Mes-
sages (same sequence number):
Indicates the number of times a Mas-
ter will retransmit an application layer
control select request message if
a response is not received – using the
same message sequence number.
7. Maximum Application Layer
Retries for Control Select Mes-
sages (new sequence number):
Indicates the number of times
a Master will retransmit an applica-
tion layer control select request
message if a response is not
received – using a new message
sequence number.
8. Maximum error in the time
that the Master issues freeze
requests:
If the Master is scheduled to issue
freeze requests at a specific time,
what is the maximum error in the
time that the Master may actually
issue a request?
9. Maximum error in the time
that the Master schedules
repetitive freeze requests:
If the Master is scheduled to issue
freeze requests at a regular interval,
what is the maximum error in the time
interval that the Master may actually
issue a request? (i.e. how early / late
could the request actually be issued)
10. Scheduled actions that may
affect the accuracy of freeze
requests:
Indicates if the Master's accuracy of
issuing freeze requests may be
affected by other scheduled opera-
tions such as poll requests or control
requests
ME-RTU Remote Terminal Unit
Fill Out The Following Items For Masters Only
Capabilities
ã None
ã Fixed at______ ms
ã Configurable, range ______ to ______ms
ã Configurable, selectable from ___,___,___ms
ã Configurable, other, describe_______________
ã Variable, explain ___________________
ã None (required)
ã Fixed at______
ã Configurable, range _______ to _______
ã Configurable, selectable from ___,___,___
ã Configurable, other, describe_______________
ã Variable, explain ___________________
ã None
ã Fixed at______ ms
ã Configurable, range ______ to ______ms
ã Configurable, selectable from ___,___,___ms
ã Configurable, other, describe_______________
ã Variable, explain ___________________
ã Not applicable – controls are not supported
ã Yes
ã No
ã Not applicable – controls are not supported
ã Yes
ã No
ã None (required)
ã Fixed at______
ã Configurable, range _______ to _______
ã Configurable, selectable from ___,___,___
ã Configurable, other, describe_______________
ã Variable, explain ___________________
ã None (required)
ã Fixed at______
ã Configurable, range _______ to _______
ã Configurable, selectable from ___,___,___
ã Configurable, other, describe_______________
ã Variable, explain ___________________
ã Freeze time may be affected by Poll requests
ã Freeze time may be affected by Control requests
If configurable,
Current Value
list methods
A - 17