RSS_v180808n
RSS Series
Page 9
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Rear View
Pin1 +24VDC
Pin5
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Return
3.5.
24VDC Power Connection
The RSS-3 can be powered from an external 24VDC supply, Dataprobe Item # 1930076, or other 24 VDC, 2.5 A
source using an RSS DC Power Connector Kit Item #1940164. Two power Inputs are provided for redundant
power capability. Wiring detail is shown below. Note: The two inputs are isolated but will appear as PS1 on the front
panel LED indicator and thru the Power Supply Status when using the IPC-16 control card. PS2 indicates the status
of an external power supply connected to the control or gang expansion card option.
3.5.1.
EXTERNAL 24VDC POWER WIRING
3.5.2.
24VDC Wiring Requirements
Minimum Wire Rating: 14 AWG (1.63mm), 75 Deg C, 48VDC
Maximum DC Mains Branch Circuit Protection : 3.5 A
3.5.3.
Restricted Access Location
Use of the 24VDC connections requires the system must be installed in restricted access areas such as dedicated
equipment room, or electrical closet, in accordance with the United States National Electrical Code.
A RESTRICTED ACCESS LOCATION is a location for equipment where both of the following apply:
•
Access can only be gained by service persons or by users who have been instructed about the reasons for
the restrictions applied to the location and about any precautions that shall be taken; and
•
Access is through the use of a tool or lock and key, or other means of security, and is controlled by the
authority responsible for the location.
3.5.4.
Alarm Connector
Alarm Connection on internal power supply modules provides status information on the condition of the supply.
9 Pin D-Sub Wiring
Pin 6
NO
Pin 6 shorts to Pin 7 when the Power Supply is Non-Operational
Pin 7
COM
Pin 8
NC
Pin 8 shorts to Pin 7 when the Power Supply is Operational
RSS-PAM-R Power Supply #2:
Pin 3
NO
Pin 3 shorts to Pin 4 when the Power Supply is Non-Operational
Pin 4
COM
Pin 5
NC
Pin 5 shorts to Pin 4 when the Power Supply is Operational
