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Temperature and Analog Inputs
The Control Board uses the LDU's internal temperature sensors for referencing temperatures from different points within the
drive unit. These temperatures are transmitted out over the Control Board CAN datastream – see
Documents
for CAN protocol. Additional external temperature sensors are not required.
5
CAN Channel
i1_Power_Stage_A_Temp
i1_Power_Stage_B_Temp
i1_Power_Stage_C_Temp
i1_Motor_1_Temp
i1_Motor_2_Temp
i1_Motor_Temp
i1_Housing_Temp_Inlet
i1_Housing_Temp_Outlet
i1_Micro_Temp
The Control Board has two available 0-5v analog inputs – see
and may be connected to any standard 0-5v output sensor such as a pressure transducer or can be connected to a temperature
sensor (additional pull up resistor may be required). Additionally, switches that connect to ground when on (open circuit when
off) may also be used. These inputs are NOT 12v tolerant. The voltage of these inputs is transmitted out over the Control Board
CAN datastream.
CAN Channel
i1_Analog_Input_1
i1_Analog_Input_2
AEM Performance Electronics
2205 W 126th Street, Unit A
Hawthorne, CA 90250
Phase A transistor temperature, limit to 70°C, inverter faults at 80°C
Phase B transistor temperature, limit to 70°C, inverter faults at 80°C
Phase C transistor temperature, limit to 70°C, inverter faults at 80°C
Stator temperature, limit to 170°C, inverter faults at 180°C
Stator temperature, limit to 170°C, inverter faults at 180°C
The higher of Motor 1 & 2 Temp, used by VCU as motor temp reference
Coolant temperature before inverter, used by VCU as inverter temp
Coolant temperature after inverter
Control Board temperature
Hardware Pinout
0-5v analog input voltage for add-on sensor inputs
0-5v analog input voltage for add-on sensor inputs
Page 16 of 23
Phone (8am-5pm M-F PST): 310-484-2322
Reference Files and
Description
reference
. The inputs have a 300kOhm pull up resistor
9
Description
Fax: 310-484-0152
sales@aemev.com
tech@aemev.com
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