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Protection
The KEY input is protected against reverse polarity with a diode and it has got
approximately a 2.2 nF capacitance to -B for ESD protection and other filtering
elements. This capacitance may give a high current spike at the KEY input
depending on the external circuit.
Fuse FU1 (see functional drawings, paragraph 3.2), should be sized according to
the number of motor controllers connected to it (10 A fuse is recommended) and
the current absorption of the KEY input (input power below 15 W).
The key switch connected to the KEY input must handle the short inrush
current spike to the ESD protection capacitors. The current peak depends
on the external circuit and wires.
Cables from the battery to the KEY input should be as short as possible
Connector position
4.4.2 Digital inputs
Digital inputs are meant to work in the voltage range from -B to +B. Related
command devices (microswitches) must be connected to +B (typically to the key
voltage) or to -B, depending on the input configuration (refer to pin description in
the paragraph 4.4.2). Pull-down or pull-up resistors are built-in.
Functional devices (like FW, BW, LOWER, etc.) are normally open, so that each
associated function becomes active when the microswitch closes. Safety-related
devices (by default only SR/HB) must be normally closed, so that each
associated function becomes active when the microswitch opens.
Nominal voltage figures for digital inputs in standard Zapi configuration are listed
below. Custom hardware may feature different voltage values.
Inverter voltage
Low threshold
Active
High
high
threshold
Low threshold
Active
High
low
threshold
Voltage range
AFNZPxxx– DUALACE2 NEW GENERATION – User Manual
Standard
A1
24 V
3.6 V
8.5 V
3.6 V
8.5 V
0 ÷ 35 V
0 ÷ 72.5 V
Premium
A3
36/48 V
72/80 V
3.6 V
8.2 V
8.5 V
19 V
3.6 V
3.8 V
8.5 V
8.8 V
0 ÷ 115 V
96 V
9.8 V
22.9 V
3.8 V
8.8 V
0 ÷ 130 V
Page 39/169
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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