| dev fail threshold |
This value defines the number of poll request
failures before the "scan input status" is set to "failed". If this
value is zero, the "scan input status" will never be set to
"failed".
![[note]](../Images/noteicon.png) |
Note that
each request is counted (polls, lists, arrays are separate
requests). |
|
| rtu name |
A user supplied Bristol RTU name. |
| optimize |
This attribute indicates whether the scan task will
use MSD (Master Signal Directory) values (one or two) or signal
names (zero) when communicating with the RTU. MSD is more efficient.
If this value is set to two, the scan task will always request for
the signal MSD number on startup, and then request for the signal
value(s) via MSD. Use a value of two when the RTU firmware does not
support the retrieval of the MSD load version number. A value of
three behaves the same as a value of two, except that the MSD
version(s) will not be initially requested for (unless the MSD
version is zero). |
| rbe data |
This table specifies the following information, and is
only used when an RBE init request is received from the RTU (only
when RBE is enabled):
| Field Number |
Field Name |
DE Type |
Possible Values |
| 0 |
scan rate |
rtUINT16 |
(see below) |
| 1 |
scan slice |
rtUINT8 |
(see below) |
| 2 |
stop xmit |
rtUINT8 |
(see below) |
| 3 |
timeout |
rtUINT16 |
(see below) |
Where:
| Field Name |
Description |
| scan rate |
This value is the minimum delay between the successive
starts of the RBE DB scans. The value is in tenth of seconds and can
range from 1 (0.1 seconds) to 65535 (6553.5 seconds). A value of
zero is invalid. |
| scan slice |
This value is used to divide the work done during a
scan session in equal number of blocks known as slices so that lower
priority tasks are able to gain some processing time between each
slice. It can range from 1 to "scan rate". If it is set to zero or
exceeds the scan rate, then a default of one is used. Normally this
value should be set to one. |
| stop xmit |
This parameter is used by the RBE task as a limit to
temporarily stop sending the ERMs (Exception Report Message). When
the difference between the current RSN and the RSN in the last
report acknowledge message equals this limit, the RBE task suspends
the scan process and waits for a valid report acknowledge or an init
request message from the RBE manager (scan task). If this value is
set to zero, the RBE task never waits for a report acknowledge
message for the ERMs. A value greater than 127 is invalid. |
| timeout |
This parameter specifies the period of time to wait
for the init request before the waiting init message is repeated to
the RBE manager (scan task). This value is in tenth of seconds and
can range from 300 (30 seconds) to 65535 (6553.5 seconds). If it is
less than 30 seconds, then it is defaulted to 30 seconds. If it is
zero, then the waiting period is not changed from its previous
setting. |
|
| send rbe init |
This attribute, when set to one, will
cause the scan task to send a RBE initialization message to the RTU
with the values from the "rbe data" table above. |
| get version info |
This attribute determines if the scan task
will query the RTU's version information, ROM version, and Boot ROM
version. This information is saved into the "version info", "prom
version", and "boot prom version" attributes. A value of one
indicates that the scan task will query for this information on
startup. |
| security level |
Security level (one to six) |
| max obj cnt |
This attribute specifies the maximum
number of objects that will be requested for in each poll. Once the
data has been received for the request and there are additional
objects, another request will be sent out. If this value is set to
zero, all objects will be requested for in one request. |
| global address |
This is the global address of the RTU. |
| local address |
This attribute contains the RTU's local
address. To also use the global address, the local address should
have the MSB set. |
| alm state ack req |
This attribute indicates whether a change
in an alarm signal's alarm state will cause the "ack required" value
to be set when an alarm RBE message is received. |
| cache requests |
This attribute indicates whether requests
to the RTU are cached or not. To re-initialize, disable and
re-enable the scan input. Caching should be disabled if there are
lots (> 10) of poll types configured, as each one could
potentually use 2n request slots. |
| ip flags |
Last IP flag value received from the RTU.
Possible values are:
| Bit |
Description |
| 6 (MS) |
RTU is now in backup mode |
| 5 |
Throttle error |
| 4 |
Throttle warning |
| 3 |
Alarms OK |
| 2 |
First in sequence |
| 1 |
New conversation |
| 0 (LS) |
NRT needed |
|
| phone number |
This specifies the phone number to dial
when the scan task is talking to a modem. |
| init timeout |
This specifies the timeout value (in
milli-seconds) to use for the following messages:
- MSD version requests
- MSD number requests
If this attribute does not exist, a default of three times the
timeout value will be used. |
| poll sigs left |
This attribute indicates the number of
signals that are left in a poll request when another poll request
was received. A non zero value in this attribute may indicate that
the poll frequency is too high. |
| debug level |
A debug level used to determine the amount
of information printed to the debug
device. Higher debug levels print more detailed information. A
debug level of zero indicates that no debug information is to be
printed to the debug device. |
| clear stats |
Indicates whether the device
stats vector will be zero'ed the next time it is read from the
database. |