Nedap NVITE - 3.2.3 Wiegand Interface

NVITE | installation guide
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3.2.3 Wiegand
The Wiegand and Magstripe ISO7811/2 (clock & data) interface share the same connections. This means that only
Wiegand or Magstripe can be used and not both simultaneously.
Wiegand connections
GRAY
Data-0
PINK
Data-1
BLACK
Ground (0V)
SHIELD
Shield connected to DC-ground
Message format
The Wiegand output format is determined by the programming format of the credential. Wiegand formatted credentials
will automatically generate a Wiegand message. If the credential is not programmed in Wiegand format, you may
configure the message output format as described in chapter 4.5.2.
Wiegand timing
In the figure below the Wiegand protocol timing is specified.
Tpw
5V
0V
D1
5V
0V
D0
Tpi
Tpi
Tpw
Figure 5: Wiegand protocol timing
Timing constants
Tpi Pulse interval time 1msec
Tpw Pulse width time 50µsec
OSDP firmware
The OSDP firmware does not support the Wiegand interface!