Setting
RFID channels — overview of commands
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07.00 | 2022/09 | 134
See description of the input data, p. [}100].
Response
Loop counter See description of the input data
Response code 0x042 (hex.), 66 (dec.)
Length See description of the input data
Error code See description of the input data
Tag in
detection range
See description of the input data
Data (bytes) available See description of the input data
Tag counter See description of the input data
Write fragment No. 0
Read fragment No. See description of the input data
Read data, Byte 0…(Length - 1) n Status general: 1 byte general status
n RF status: 1 byte status of the RF module
n Device status: 1 byte device-specific status information
n RF mode: 1 byte, defines the reason for starting the read
operation
n Trigger status: 1 byte, trigger number of the RF mode
n I/O status: 1 byte, status of the inputs and outputs (0 =
low, 1 = high)
n Ambient temperature: 1 byte, ambient temperature in °C
(data format: 8 bit, two’s complement)
n PA temperature: 1 byte, PA temperature in °C (data
format: 8 bit, two’s complement)
n RF antenna temperature: 1 byte, antenna temperature in
°C (data format: 8 bit, two’s complement)
n Transmit power: 2 bytes, output power of the reader in
1/10 dBm steps, LSB…MSB (data format: 16 bit, two’s
complement)
n Reverse power: 2 bytes, returned reverse power in 1/10
dBm steps, LSB…MSB (data format: 16 bit, two’s comple-
ment)
n Antenna DC resistance: 4 bytes, resistance at the antenna
port in Ω, LSB…MSB
n Jammer power: 2 bytes, input power at the RX port in
1/10 dBm steps, LSB…MSB (data format: 16 bit, two’s
complement)
n Channel: Number of the currently used channel (offset
from the next available channel)
Read data, byte (Length)…127 Not required
Evaluating read data — general status
Bit Meaning
7 Read/write head was reset (after reset).
6 Read/write head configuration damaged, default settings are used.
5 Test mode active
1 Tag present