There is no device-dependent information to be supplied in the scan config point for the BrdcastScanner, other than the name of the scan task -- BrdcastScanner -- and its capability -- 0 = poll/PRBX only.
The following table reviews the contents of the scan tasks table attribute in the scan config point:
Field Number | Field Name | DE Type | Possible Values | |
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Required | 0 | scan task name | rtBYTES16 | "BrdcastScanner" |
1 | capability | rtUINT32 | 0=polled/PRBX | |
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AIN | Attribute Name | Type | DE Type | Possible Values | |
Device Independent (required) | 0 | communication mode | scalar | rtLOGICAL | 0=polled/PRBX |
1 | device type | scalar | rtUINT8 | 0 to 255 | |
2 | control | scalar | rtLOGICAL | 0=disabled, 1=enabled | |
3 | status | scalar | rtUINT8 | §Communication Port Point | |
4 | retry count | scalar | rtUINT8 | 0 to 255 | |
5 | reply timeout | scalar | rtUINT16 | 0 to 65,535 | |
6 | poll types | table | |||
7 | PRBX types | table | |||
8 | CE overlap | scalar | rtLOGICAL | 0=disabled, 1=enabled | |
9 | msg queue status | scalar | rtUINT8 | 0, 1, or 2 | |
Device Dependent (Broadcast scan task specific) | 10 | hostname | scalar | rtBYTES12 | (see below) |
11 | service name | scalar | rtBYTES12 | (see below) | |
12 | ttl | scalar | rtUINT8 | 0 to 255 | |
13 | uni-multi mode | scalar | rtLOGICAL | 0=unicast, 1=multicast |
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14 | debug device | scalar | rtBYTES20 | (see below) | |
Optional | . | ||||
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See also: