Rockwell-automation 56RF RFID System User Manual Manual do Utilizador descarregar pdf (Página 103)

Rockwell Automation Publication 56RF-UM001A-EN-P - October 2011 103

RSLogix 5000 Code Examples Chapter 9

If the write multiple blocks command is executed properly, the input table image

results shows ChError = 0, Command = 11 and Data[0-xxx] =0.

Use the Read Multiple Block command (=2) to read the data.

Multi-Tag Block Write

The Write Multi-Tag Block command writes one or more blocks of user data to

multiple tags in the transceiver field. The maximum number tags in the RF field

is limited to four and all tags must have the same block size.

Set the following values in the output image table:

a. xx:O.Channel[0].Command = 12

b. xx:O.Channel[0].Address = starting address to write

c. xx:O.Channel[0].BlockSize = number of bytes/block

d. xx:O.Channel[0].Data[0…xxx] = data to write

e. xx:O.Channel[0].Length = number of blocks to write

f. xx:O.Channel[0].Reset = 0

g. xx:O.Channel[0].Timeout = 0

h. xx:O.Channel[0].UIDLow = 0 (or UIDLow)

i. xx:O.Channel[0].UIDHi = 0 (or UIDHi)

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Rockwell-automation 56RF RFID System User Manual Manual do Utilizador Página 103