Datalogic GWY-01-PBS-01 Specifikace stáhnout pdf (Strana 44)

GWY-01-DNT-01 MANUAL – REV. 02 CHAPTER 4:

COMMAND MAPPING

PAGE 44 OF 67

For Notification Messages, a handshaking scheme of enabling and clearing a specific

bit in the Output Data Ready Mask is implemented (as previously explained).

To enable all nine Notification Messages, the 2-byte Notification Mask would read:

0x01FF.

16-bit Notification Mask - Binary Representation

-when enabling all nine Notification Messages:

(0 0 0 0 0 0 0 1) (1 1 1 1 1 1 1 1) = 0x01FF

[Bit 16 - - Bit 09] [Bit 08 - - Bit 01]

4.8.1 Notification Message Table

The following table contains a listing of the nine possible Notification Messages.

BIT NOTIFICATION

MESSAGE

EVENT DESCRIPTION

CONTROLLER IS HEALTHY Sent whenever the status of a controller changes

to ‘Healthy’

CONTROLLER HAS PROBLEM Sent whenever a controller is marked ‘Has

Problem’

CONTROLLER STOPPED

RESPONDING

Sent whenever a controller is marked ‘Stopped

Responding’

CONTROLLER DEACTIVATED Sent whenever a controller is deactivated (is

marked ‘Inactive’)

CONTROLLER MISSED POLL

Sent whenever a controller misses a poll

CONTROLLER ADDRESS

CONFLICT

Sent whenever the Gateway detects a Node ID

conflict

CONTROLLER

CONFIGURATION FAILURE

Sent whenever the Gateway fails to configure a

controller

TAG PRESENT AT NODE* Sent whenever a tag is first recognized in the RF

field of the specified node

TAG NOT PRESENT AT

NODE*

Sent when no tag is recognized or when a

previously recognized tag is no longer

acknowledged in the specified node’s RF field

Table 4-6: Notification Message Table

* Tag Presence must be enabled on the RFID controller.

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 66 67

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