Copyright© 2016
– Saflec Systems (Pty) Ltd.
http://www.saflecsystems.co.za
SDC-620
Wiegand door controller
Revision 1.0 - (January 26, 2016)
Quick Start Guide
Introduction
The SDC-620 is a multiple door controller that can control up to 8 doors. It has two relay outputs
and four inputs.
Up to 16 SDC controllers can be linked using a protected RS-485 network. The PC can connect to
it using either RS-232 or the built-in Ethernet connector or through the RS-485 network from
another controller.
It has a reader RS-485 network that can also connect up to sixteen slave devices including remote
I/O units.
Two Wiegand compatible devices can also be attached directly onto the controller.
The unit comes with a 12Vdc 5A power supply and a battery backup of 7Ah and is mounted in a
lockable case.
Figure 1
SDC-620 Controller board - labeled
