Copyright© 2015
– Saflec Systems (Pty) Ltd.
http://www.saflecsystems.co.za
SDC-650
Multiple door controller
Revision 1.1 - (July 08, 2015)
Quick Start Guide
Introduction
The SDC-650 is a multiple door controller that can control up to 8 doors. It has five relay outputs
and eight 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.
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-650 Controller board - labeled