User's Manual

HF Mifare Easy Module V1.0
ACG Identification Technologies GmbH 44
7.4.3.8 Antenna power on/off
This command controls the antenna power. It can be used to decrease the power
consumption of the reader.
Command
Command Data
'pon' Switch on reader
'poff' Reader enters the stand by mode
Answer
Answer Description
'P' Positive acknowledge
Example
Command Description
poff Reader enters stand by mode
7.4.3.8.1 Power off
The reader enters the stand by mode. Power consumption is decreased. All tags in
the antenna field are powered off and reset. The stand by mode is only entered
manually.
To switch off the whole unit pin 16 (Enable) has to be set to logic low.
7.4.3.8.2 Power on
The reader leaves the stand by mode and is ready for the next command. Sending a
tag command (i.e. select, continuous read) the reader is powered up.
7.4.3.8.3 Reset Timing
The power up timing depends on environmental conditions such as voltage ramp up.