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BIS V-6108 PROFINET
Processor Unit
81
english
7
Device Functions
8. Creating a basic state for a R/W head or switching off a R/W head
The read/write heads for the identification system can be put into a basic state independently of
each other and the respective read/write head can be shut off.
Control
Identification System
1.
Process output buffer:
2.
Go to the default state.
Process input buffer:
00
hex
/0F
hex
Set GR bit
00
hex
/0F
hex
Reset BB bit
⇒
R/W head is shut off
3.
Process output buffer:
4.
Process input buffer:
00
hex
/0F
hex
Reset GR bit
00
hex
/0F
hex
Set BB bit
⇒
R/W head is switched on
9. Switching off a read/write head antenna
During normal operation, all read/write head antennas are switched on. The antenna of a
respective R/W head can be switched off by setting the KA bit.
Control
1.
Process output buffer:
00
hex
/0F
hex
Set KA bit
The R/W head's antenna is switched back on by resetting the KA bit.
Examples