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External 12V Backup Battery - Honeywell WEB/CP-202-XPR Installation Instructions Manual

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WEB/CP-202-XPR AND WEB/CP-602-XPR CONTROLLERS
RS-485
An RS-485, optically isolated port is available on 3 pins of a 6-position connector, and operates by default as COM2. As shown in
Fig. 15 on page 20, the screw terminals are minus (–), plus (+), and shield. Wire in a continuous multidrop fashion to other
RS-485 devices, meaning "minus to minus," "plus to plus," and "shield to shield." Connect the shield to earth ground at one end
only, such as at the controller. For wiring to one or more remote I/O modules (IO-16-REM-H), see Wiring to Remote I/O
Modules on page 23.
NOTE: If enabled to do so, the controller's RS-485 port can be alternatively used as a Sedona/Jennic IPv6 wired connection. In
that case, COM2 is unavailable to NiagaraAX. However, note at the time of this document, the released
WEB/CP-202-XPR controller does not include the onboard Jennic module.

EXTERNAL 12V BACKUP BATTERY

The controller provides a 2-position connector for support of an external 12V sealed lead-acid (SLA) type rechargeable battery
(part number 712BNP). Usage is optional. For more details, see Backup Battery on page 25.
WEB/CP-202-XPR, WEB/CP-602-XPR
Fig. 16. Sealed lead-acid backup battery connection on the WEB/CP-202-XPR or WEB/CP-602-XPR.
95-7775—01
NOTE:
CONTROLLER TERMINALS BT+ AND BT- SUPPLY CHARGING VOLTAGE
AT 200mA MAXIMUM. THIS TRICKLE CHARGES THE CONNECTED SLA BATTERY BACKUP.
NOTE - MINIMUM WIRE SIZE:
• 18AWG (1.0mm) for up to 4 ft. (1.22m)
• 16AWG (1.29mm) for up to 12 ft. (3.66m).
+
PS
15 VDC POWER AND BACKUP BATTERY
PS
PASSED THROUGH 6-POSITION CONNECTOR.
BB
RS-485
+
RS-485
485 GND
BT
+
BT
22
712BNP
12V SEALED LEAD ACID
BACKUP BATTERY(IES)
M28879

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