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Pin
Type
A19
Input
A20
Input
A21
Output
NSENS_R
4.3 Internal connector
Pin
Type
1
-
2
Input
3
Output
4
Output
5
Output
6
Output
7
Input
8
Input
4.4 External devices
4.4.1 Key input
KEY input
supplies battery voltage to the logic circuitry and it also pre-charges the DC-link
capacitors at key-on, before main contactor closes. The KEY voltage is
monitored.
Note: external loads connected to the power terminal +B, such as proximity
switches, load the internal PTC resistor along the key input path, with the
consequence that the pre-charge voltage may be lower than expected.
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DUALBLE2 NEW GENERATION with Hall sensors
Name
Description
SH3_L
Third left-hand side Hall sensor.
SH3_R
Third right-hand side Hall sensor.
Negative supply for the right-hand side Hall sensors, the right-
hand side thermal sensor and potentiometers.
Name
Description
-
Not used: it can be unconnected.
NCLRXD Negative serial reception.
PCLTXD
Positive serial transmission.
NCLTXD
Negative serial transmission.
GND
Negative console power supply.
+15
Positive console power supply.
FLASH
It must be connected to pin 8 for the Flash memory
programming.
FLASH
It must be connected to pin 7 for the Flash memory
programming.
A3
(A1) is generally connected to the vehicle start key switch. It
AFNZPxxx – DUALACE2 NEW GENERATION – User Manual
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Troubleshooting
Need help?
Do you have a question about the DUALACE2 NEW GENERATION and is the answer not in the manual?
Questions and answers
Como comprobar el funcionamiento del controlador dualac2 sin display
You can check the operation of the Zapi DUALACE2 NEW GENERATION controller without a display using the following methods:
1. Zapi Smart Console – Connect the Zapi Smart Console to the CAN bus to access diagnostics and parameter settings.
2. PC CAN Console – Use the PC CAN Console software to monitor and adjust controller settings.
3. Self-Diagnosis Feature – The controller performs self-diagnosis, and faults can be displayed using Zapi tools.
4. Alarm History Log – Check the log of alarms to review past faults and system behavior.
5. TESTER Function – Use the TESTER function to monitor key operational readouts.
These methods allow you to diagnose and verify the controller’s operation without an external display.
This answer is automatically generated
A brumby electrical truck that has a zapi inv.dace2, records the failure 244 "Warning Slave It depends on the supervisor uc", and the alarm 248 "Mc is Opened, eb is applied". On the other hand, the LED does not turn on, but in the manual I did not find the LED code. I would like more certainty about whether the failure is from the controller and the LED code for this Zapi model.
Failure 244 "Warning Slave" depends on the supervisor microcontroller (µC). No specific effect or troubleshooting steps are provided in the available context.
Alarm 248 "MC is Opened, EB is Applied" indicates that the main contactor (MC) is open, and the electric brake (EB) is applied. This typically occurs during start-up, standby, or other system states.
The LED code for this model is not explicitly provided in the available context.
This answer is automatically generated