SILENT KNIGHT 4821 - Worksheet for Silent Knight Modules

Control Panel Description and Installation
150964 4-9
4.9.2 Worksheet for Silent Knight Modules
Note: Total of all 4421s and 4860s combined.
Note: The 4884 shares its power with the auxiliary output. The auxiliary output is rated at 1A total current for
all devices.
Table 4-2: Current Draw Worksheet for Optional Modules
Device
Number of
Devices
Current per Device
Total
Standby
Current
Total Alarm
Current
Model 4821/4820 Control/
Communicator
1 Standby: 100 mA 100 mA
(1 max.) Alarm: 120 mA 120 mA
4421 Door Access Module
Standby 25 mA mA
(24 max.) Alarm 40 mA mA
4860 Series Touchpad
Standby: 48 mA mA
(24 max.) Alarm: 90 mA mA
4205 Touchpad (used with
the 4421)
Standby: 10 mA mA
(24 max.) Alarm: 10 mA mA
4880 Status Output Module
Standby: 20 mA mA
(3 max.) Alarm: 140 mA mA
4824 Serial/Parallel Interface
Standby: 40 mA mA
(8 max.) Alarm: 40 mA mA
4815 Zone Expander
Standby: 80 mA mA
(3 max.) Alarm: 80 mA mA
4825 Zone Expander
Standby: 80 mA mA
(6 max.) Alarm: 80 mA mA
4875 Dual Phone Line
Monitor
1 Standby: 0 mA mA
(1 max.) Alarm: 18 mA mA
4884 Bell Module
1 Standby: 5 mA mA
(1 max.) Alarm: 60 mA mA
4300 Swipe Card Reader
Standby: 25 mA mA
(24 max.) Alarm: 25 mA mA
4330 Proximity Reader
Standby: 45 mA mA
(24 max.) Active: 80 mA mA
4340 Proximity Reader
Standby: 45 mA mA
(24 max.) Active: 80 mA mA
4350 Proximity Reader
Standby: 100 mA mA
(24 max.) Active: 150 mA mA
5211 Ground Start Relay
1 Standby: 0 mA mA
(1 max.) Alarm: 18 mA mA
Subtotal of current ratings for Silent Knight devices
mA
Standby
mA
Alarm