Performance Data - TagMaster XT-2 Installation Manual & Data Sheet

XT-2 Reader Installation Manual & Data Sheet
5.2.14 Interface Isolation and Protection
The hardware design is protected against radiated or wired disturbances by extensive
use of filters, transformers and shielding. The power input is galvanically separated
from the main electronic part of the reader by use of an on-board DC-DC converter.
The Interface Block with Ethernet, Serial Interfaces and I/O signals is also galvanically
isolated from the rest of the reader. This makes sure that no ground currents will occur
between shielding, power lines or other interfaces. The common GND connection in J2
and J41-J43 is a floating reference ground for the interface block signals. This makes it
possible to operate the interface with the voltage potential set from the other party. The
reference ground is internally connected to the chassis via a discharge resistor to avoid
static voltage potential. It has no other reference to connections outside the interface
block.
The USB port GND is connected to the chassis.
The Wiegand/Mag-stripe interface, the Isolated Inputs, and Isolated Outputs have a
varistor protection that will short-circuit signals over rated maximum 30 V.
Shielded Cable
DC/DC Converter
Figure 8 Figure shows the principal galvanic isolation
5.3

Performance Data

5.3.1 Communication range data
Note: Read and write ranges depend on tag-model and physical environment!
5.3.1.1 XT-2 eu
Parameter
Read range
Write range
© TagMaster
Reader Electronics
Isolated
Shielded Cable
Optoisolated
Interface Block
Value
5
16
4
13
Doc no. 10-407 02
Isolated I/O
06-237 01
Unit
m
ft
m
ft
20 (26)