Keri Systems SB-293 - Manual (Page 13)

Keri Systems, Inc. Technical Reference Manual – PXL-250 and SB-293
Revision 5.5 P/N: 01836-004 Page 13
1.2 The SB-293 Satellite Board
The SB-293 Satellite Board expands the capabilities of the PXL-250 Tiger Controller.
Depending upon the application, the SB-293 can add 8 general purpose inputs and 4
general purpose outputs, or it can add Door Switch and Request to Exit inputs and
Door Lock and Alarm outputs for a second door (one reader per door) with up to 6
additional general purpose inputs and up to two additional general purpose outputs.
Refer to Figure 1-1 on page 14 for a basic diagram of a PXL-250 access control
network and its options.
Standard features include:
In Second Door Access Control Configuration
•
two doors, one reader per door (in conjunction with a PXL-250 controller)
• two door control inputs
– door switch status
– request to exit (RTE)
• six general purpose inputs
one can be user-configured for B-door Auxiliary RTE
• two Form C output relays
– door lock
– door alarm
• two general purpose, Form C, output relays
user-configurable for door held open and door forced alarm annunciation
In Additional Input/Output Configuration
•
eight general purpose inputs
• four general purpose, Form C, output relays
Quick Connect Wiring Connectors
•
allows for quick removal of wiring connectors
• makes it easy to change/upgrade wiring following system installation
Electrical Surge/Transient Protection
•
transorbs across all inputs
• MOVs across all relay outputs