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Poll for RBE (Report By Exception) Data
Default = Not selected. Enables the retrieval of ACCOL signal data using Network 3000 Report By Exception (RBE).
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Since ACM does not currently support Ethernet RBE, this setting will be ignored if either of the Primary or the Secondary “Use BSAP Ethernet” options is checked in the Ethernet Tab. |
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The BSAP device must be a Network 3000 device that is programmed with an ACCOL RBE system, which maintains a database of signals that are configured as RBE, scans them at a specified rate, and reports any changes in their values since the previous scan. An RBE initialization message containing the configuration parameters from the Primary/Secondary tab will be sent on startup, when the configuration parameters are changed, and if requested by the device with a “waiting for initialization” message. A poll message to retrieve RBE data will be sent on the configured interval and priority. ACCOL signal items will be read by the RBE poll on the RBE Poll Interval and by a non-RBE item poll on the interval that the item is assigned to, unless item modifiers are used:
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Primary/Secondary Scan Rate
Default = 5. RBE system parameter sent to the device by the RBE initialization message. The minimum delay in seconds between RBE database scans at the device.
Primary/Secondary Scan Slice
Default = 1. RBE system parameter sent to the device by the RBE initialization message. Number of time slices that the device scan session is to be divided into.
Primary/Secondary Timeout
Default = 60. RBE system parameter sent to the device by the RBE initialization message. Number of seconds for the device to wait for the RBE initialization message before resending the RBE waiting for initialization message.
RBE Poll Interval
Interval at which a poll message is sent to retrieve RBE data. Select the appropriate interval for the RBE Poll Interval that is configured in the selected Schedule object.
RBE Poll Priority
Priority of the poll message sent to retrieve RBE data.
Low.Queues up with other Low priority items.
Medium (Default). Interrupts Low priority items, and queues up with other Medium priority items.
High. Interrupts Medium and Low priority items, and queues up with other High priority items.