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Ascend Single Phase Charger Operation Manual
3.4.4. Wiring Battery Temperature Compensation
The battery temperature compensation probe contains a temperature dependent resistor in a module.
Mount the temperature sensor on the battery or in a central location near the batteries to provide an
average ambient temperature.
Route the temperature sensor cable to the Ascend charger. Connect the Temperature compensation
cable to PCB3, connector J3 located on the inside top left cabinet. The cable may be removed from the
connector to facilitate routing and enclosure entry. Reconnect the cable as below using a small flat bade
screwdriver.
J3
1
2
3
4
The Temperature sensor cable should not be run along with any power cables, AC or DC to prevent noise
from affecting the controls.
3.4.5. Wiring Communications
The Communications optional package (Opt #210) includes Modbus over RS-485 using RTU mode and
Modbus TCP / Ethernet.
Screw terminals are provided for RS-485 transmit, receive, and ground on the inside top right of the
cabinet. These terminals are mark.
A 10/100Base-T Ethernet RJ45 connector is provided for Modbus TCP / Ethernet on the inside top right
of the cabinet.
Reference 7.7.5. Communications Package for configuration.
15
95-100167 Rev A
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