Specifications

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
1
CONTROLLER IS HEALTHY Sent whenever the status of a controller changes
to ‘Healthy’
2
CONTROLLER HAS PROBLEM Sent whenever a controller is marked ‘Has
Problem’
3
CONTROLLER STOPPED
RESPONDING
Sent whenever a controller is marked ‘Stopped
Responding’
4
CONTROLLER DEACTIVATED Sent whenever a controller is deactivated (is
marked ‘Inactive’)
5
CONTROLLER MISSED POLL Sent whenever a controller misses a poll
6
CONTROLLER ADDRESS
CONFLICT
Sent whenever the Gateway detects a Node ID
conflict
7
CONTROLLER
CONFIGURATION FAILURE
Sent whenever the Gateway fails to configure a
controller
8
TAG PRESENT AT NODE* Sent whenever a tag is first recognized in the RF
field of the specified node
9
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.