Eaton TD110 RCU, Installation And Configuration Manual

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Items Description
Charging

The cradle will start charging the TD110 RCU when the vehicle battery voltage is above
12.25V with the RCU inserted.

During charging, if the vehicle battery voltage drops below 12.0V, the charging will be
suspended.

If the charging is suspended, it will not resume charging until the battery is above 12.7V
(Allowing time for the vehicle’s battery to recharge and prevent draining the vehicle bat-
tery)

At any time when the battery voltage is above 12.25V, the RCU is removed and reinsert-
ed, the charging will start again.
LED Indicator

OFF: Not charging, fully charged RCU or vehicle voltage too low

ON: Charging RCU

FLASHING: Error charging RCU. Possible causes:

The cradle or the battery pack is too hot (over 45ºC)..
Connector
Pin Name Description
1 Power Vehicle power supply – (9-32VDC)
2 Ground Vehicle power ground
3 CAN-H CAN bus High
4 CAN-L CAN bus Low
5 RLY-NO RCU Present Relay – normally open. 0.5A max
6 RLY-NC RCU Present Relay – normally closed. 0.5A max
7 RLY-COM RCU Present Relay – common
8 PARK IN “Vehicle in Park” input when > 6V
RCU Present Outputs:

Connections 5-8 can be used to wire to an indicator to alert the vehicle operator if the
RCU is not placed in the cradle.

The PARK-IN input is used to indicate when the vehicle is stationary (typically neutral or
park indicator).

The “RCU Present” relay will be energized (RLY-NO connected to RLY-COM), after a 5
second delay, if the vehicle is NOT in park and the RCU is missing.
Note: Connector is only available on ‘Generic’ charge cradle. This connector is not available
in ‘Charge only’ charge cradle.
CAN operation
The cradle will transmit a status message every 250mSec. The status message has a PGN
of 61439. The status message contains the following information:
Position Description
1.1 1 = RCU present
1.2 1 = charging RCU
The default CAN ID of the cradle is 144 (90H). This can be changed by sending the following
CAN message with PGN 61328.
Position Description
1 Change CAN ID command 70, 46H
2 Current CAN ID (typically 144 (90H).
3 New CAN ID.
CAN priority must be 3 for all packets.
CAN data rate is 250 kbps.
CAN Termination CN5 Jumper settings:
Operations - Charge Cradle
Light Legend
Solid
Slow
Flash
Fast
Flash
Red
Solid
Green
Solid
Red & Green
Alternating
Yellow
Solid