NetSure
™
-48 VDC Power System
User Manual, UM582137200
Spec. No: 582137200
Document Code: UM582137200
Model No: NetSure™ 5100
Revision A, January 11, 2017
[12 of 17]
CIRCUIT CARD REPLACEMENT PROCEDURES
DANGER! Adhere to the “Important Safety Instructions”
presented at the front of this document.
WARNING! Circuit cards used in this power system
contain static-sensitive devices. Read the Static
Warning at the front of this document before
performing any of the following procedures.
General
The following circuit card replacement procedures can be
performed with the system operating. Refer to
for circuit
card locations.
Replacing the System Interface Circuit Card
Procedure
NOTE: Refer to
as this procedure is performed.
1.
Performing this procedure may activate external alarms.
Do one of the following. If possible, disable these alarms.
If these alarms cannot be easily disabled, notify the
appropriate personnel to disregard any future alarms
associated with this system while the procedure is being
performed.
WARNING! Damage to the circuit card may result if the
next step is not followed.
2.
Connect an approved grounding strap to your wrist.
Attach the other end to a suitable ground.
3.
Remove the rear/top cover from the distribution unit to
access the circuit card.
4.
Carefully label the connectors plugged into the circuit
card. These connectors must be plugged into the same
connectors on the replacement circuit card.
5.
Unplug all connectors plugged into the circuit card.
6.
Remove the circuit card from the distribution unit by
removing the screws securing it.
7.
In this step, ensure you do not intermix the old and
replacement circuit cards. Set the shorting jumper on
the replacement circuit card to match the location on the
old circuit card. Jumper settings are documented in the
“Setting Jumper and Switch Options” section of the
Power System Installation Instructions (IM582137200).
8.
Orient the replacement circuit card over its mounting
position, and secure with the screws removed from the
old circuit card.
9.
Plug all connectors removed from the old circuit card into
the same position on the replacement circuit card.
10.
Reinstall the rear/top cover to the distribution unit.
11.
Remove the grounding wrist strap.
12.
Enable the external alarms, or notify appropriate
personnel that this procedure is finished.
13.
Ensure that there are no local or remote alarms active on
the system.
Replacing the IB2 (Controller Interface Board) (if furnished)
Procedure
NOTE: Refer to
as this procedure is performed.
1.
Performing this procedure may activate external alarms.
Do one of the following. If possible, disable these alarms.
If these alarms cannot be easily disabled, notify the
appropriate personnel to disregard any future alarms
associated with this system while the procedure is being
performed.
WARNING! Damage to the circuit card may result if the
next step is not followed.
2.
Connect an approved grounding strap to your wrist.
Attach the other end to a suitable ground.
3.
Loosen the screw securing the slide out tray on the rear
of the distribution unit. Slide the tray out to access the
circuit card.
4.
Carefully label the wires connected to the customer
connection terminal blocks on the circuit card. These
wires must be connected to the same terminals on the
replacement circuit card.
5.
Carefully label the connectors plugged into the circuit
card. These connectors must be plugged into the same
connectors on the replacement circuit card.
DANGER! In the next step, external alarm wiring may be
energized from an external source. DO NOT allow bare
wire ends to contact any grounded or energized object.
6.
Remove the external wiring from the customer
connection terminal blocks. DO NOT allow the bare wire
end to contact any grounded or energized object. Isolate
Warning
Danger
Warning
Warning
Danger
