2N 9137111CKU, Installation Manual

Page: 84 / 113

Installation manual 2N® IP Vario
84 / 113
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Wiegand Isolator
The 2N
®
Wiegand Isolator (Part No. 9159011) is usef for galvanic isolation of the Wiegand bus.
The 2N
®
Wiegand Isolator is designed for galvanic isolation of two devices with separate power
supply and interconnected via the Wiegand bus.
The 2N
®
Wiegand Isolator protects the interconnected devices against communication errors
and/or damage.
Connection of the 2N
®
Card Reader to a security system unit is a typical example of application.
Function:
The 2N
®
Wiegand Isolator separates galvanically a two-wire Wiegand bus in one direction and
a status LED signal in the other direction. The module is power supplied from the Wiegand bus
receiver side.
Specifications:
2-wire WIEGAND IN
2-wire WIEGAND OUT
LED IN switched against GND on WIEGAND OUT side
Open LED OUT switched against GND on WIEGAND IN side (up to 24 V / 50 mA)
5 to 16 V / 10 mA power supply from Wiegand bus receiver side
500 V DC isolation strength