ZKTeco MB20-VL User Manual

4
5.Lock Relay Connection
The system supports Normally Opened Lock and Normally Closed Lock.
The NO LOCK (normally unlocked when powered) is connected with 'NO' and
'COM' terminals, and the NC LOCK (normally locked when powered) is connected
with 'NC' and 'COM' terminals. Take NC Lock as an example below:
6.Power Connection
Recommended AC adapter ,: 5V 2A
To share the power with other devices, use an AC adapter with higher
current ratings.
DC 5V,2A
Not sharing power with the lock
DC5V
+5V
GND
NC1
COM1
NO1
SEN
GND
BUT
FR107
DC12V
NC Lock

ZKTeco MB20-VL Specifications

General

Brand	ZKTeco
Model	MB20-VL
Category	Touch terminals
Language	English