SilentKnight 5217 10-Zone Expander for 5208 - Manual

P/N 151236
SK-5217 Zone Expander
Installation Instructions
The following instructions are a quick reference
guide, refer to the control panel installation
manual for detailed system information.
The Model SK-5217 provides the SK-5208 with
ten additional class B (style A) zones. The SK-
5217 connects to the SK-5208 control panel via
the SBUS as shown in Figure 1.
Figure 1: SBUS Connections
Zone Inputs
Figure 2 shows how to wire the SK-5217. Use a
4.7k end of line resistor for each class B circuit.
The EOL must be wired in parallel with the
normally open contact farthest from the panel.
Maximum circuit Resistance - 50 ohms
Maximum Total alarm current
for all class B (style A) zones: 1 A
Maximum Standby Current per Zone:3.0 mA
Maximum Alarm Current per Zone:95 mA
Input Voltage: 17.5 –27.4 VDC
Standby Current: 60 Ma
Detector Compatibility ID:24J
For a list of compatible detectors, refer to the
SK-5208 installation manual (PN 151240).
Figure 2: Model SK-5217 Class B Circuits
Power Limited
SK-5217
Control Panel Supervised
Device ID Dip Switches
Supervised
Power Limited
4.7k Ω
UL Listed
EOL Resistor
P/N 7628