Address Stamping - Datalogic DL Cordless Card Reference Manual

Hide thumbs Also See for DL Cordless Card:
Table of Contents

Advertisement

PARAMETER ISSUES AND DEFINITIONS
4
4.3.2

Address Stamping

If enabled, this command includes the RF device or DLCC address in the
message/answer transmitted. It is advised to enable this parameter when DLCC is a
Server for more than one Client in 2 way transmission. In this way the Host knows to
which Client the answer must be sent.
If receiving data from an RF device working in 1 way mode, DLCC (Server)
automatically includes the RF device address in the message to be sent to the Host.
If receiving data from an RF device working in 2 way mode, DLCC (Server)
automatically includes the RF device address in the message to be sent to the Host.
It is required to set the Host application to include the same address in the answer to
be transmitted back to the RF device.
RF Dev. Addr + message
RF Device
in 2 way mode
RF Dev. Addr + answer
DLCC Server
Figure 8 - Receiving a Message from RF device in 2 Way Mode
If DLCC as Client, is transmitting to more than one destination device (see the three
Stargates in the figure below) in 1 way mode, it is necessary to set its Host
application to include the card address in the message to be transmitted to the
destination devices of the system.
Card Addr. + message
Destination
DLCC Client
Device
Figure 9 - Transmitting a Message in 1 Way Mode
If DLCC as Client, is transmitting to more than one destination device (see the three
Stargates in the following figure) in 2 way mode, it is necessary to set its Host
application to include the card address in the message to be transmitted to the
27

Advertisement

Table of Contents
loading

Table of Contents