USER MANUAL PREVIEW
PTM 535BZ
–
BLUETOOTH AND ZIGBEE GREEN POWER PUSHBUTTON TRANSMITTER
© 2021 EnOcean | www.enocean.com
F-710-017, V1.0
PTM 535BZ User Manual | v1.0 | May 2021 | Page 48/112
5.5.1
NFC HEADER structure
The structure of the NFC HEADER area is shown in
NFC Page
Byte 0
Byte 1
Byte 2
Byte 3
0x29
START (0xE0)
LENGTH (0x0A)
VERSION (0x01)
OEM MSB (0x00)
0x30
OEM LSB (0x0B)
DEVICE_IDENTIFIER (0xCB:00:04)
0x31
REVISION (0x01)
END (0xFE)
UNUSED (0x0000)
Table 12
–
NFC HEADER structure
The NFC HEADER contains the following fields:
◼
START
This field identifies the start of the NFC header and is always set to
0xE0
◼
LENGTH
This field identifies the length of the NFC header.
For PTM 535BZ, this field is set to
0x0A
since the header structure is 10 bytes long
◼
VERSION
This field identifies the major revision and is set to 0x01 currently
◼
OEM
The 16 bit OEM field identifies the manufacturer of the device so that manufacturer-
specific layout implementations can be determined. For EnOcean GmbH this field is
set to
0x000B
.
◼
DEVICE_IDENTIFIER
The 24 bit DEVICE_IDENTIFIER field identifies an individual device from the range
of devices manufactured by the manufacturer specified in the OEM field.
For PTM 535BZ, the DEVICE_IDENTIFIER is set to
0xCB:00:04
◼
REVISION
The REVISION field identifies the exact revision of the NFC layout. This REVISION
will be incremented whenever a change to the NFC layout is made.
◼
END
The END field identifies the end of the NFC header and is always set to
0xFE
. The
number of bytes from START to END must equal LENGTH, otherwise the NFC
header is invalid.