Datalogic GWY-01-PBS-01 Especificações descarregar pdf (Página 24)

GWY-01-DNT-01 MANUAL – REV. 02 CHAPTER 2:

GATEWAY OVERVIEW

PAGE 24 OF 67

2.5 NODE ID CONFIGURATION & MANAGEMENT

Only RS485-based RFID controllers can be connected to a Gateway’s Subnet

network and each must be assigned a unique Node ID value between 1 and 16.

When an RFID controller is connected to the Gateway’s Subnet network, the

Gateway will query the new controller to obtain certain configuration values

(specifically the Node ID number). If the Gateway does not detect a Node ID conflict,

it will “allow” the RFID controller onto the Subnet network.

By using the Cobalt HF

Configuration Tag that is

included with each RS485-

based Cobalt and HF-Series

RFID Controller, the Node ID

value can be dynamically

assigned by the Gateway or

can be manually assigned by

the user.

For the Gateway to

dynamically assign a Node

ID value to a controller, the

controller must first be

initialized with the Node ID

value of zero. This is the

equivalent of having no Node

ID assigned (note: all EMS

RS485-based controllers ship

with their Node ID value set

to 0).

When a controller (that is set

to Node ID 0) is connected to

the Subnet, it will not initially

be recognized by the

Gateway until the

Configuration Tag is placed

in the antenna’s RF field and

power to the controller is cycled. A few seconds after power is cycled to the controller

while the Configuration Tag is in RF range, the controller will display its new assigned

Node ID value in binary code from right to left using the five amber LEDs on the

controller.

When dynamically assigning a Node ID value for a new controller, the Gateway will

either assign the next available Node ID value or the value that the Gateway

recognizes as offline or “missing” – that is, a Node ID value that previously existed,

but has since disappeared from the network.

Because the Gateway stores a backup of each Subnet Node’s configuration, should

an RFID controller ever fail, a replacement controller can be installed quickly and

easily. The new controller will be automatically assigned the same Node ID value and

configuration as the replaced controller, provided the Configuration Tag is introduced

to the antenna field after startup.

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