Zapi DUALACE2 NEW GENERATION User Manual

Page 40/169 AFNZPxxx – DUALACE2 NEW GENERATION – User Manual
 For critical functions, when good diagnostics coverage is necessary, it is
recommended to use two digital inputs for plausibility check, for example
to use both normally open and normally closed contacts.
Protection
Each digital input has a 22 nF capacitor to -B for ESD protection.
Circuit
Input impedance to GND of active high digital inputs in standard Zapi
configurations are listed below. Custom hardware may feature different
impedance values.
Inverter voltage
24 V
36/48 V
72/80 V
96 V
Input impedance
(Active high)
3.8 kΩ
9 kΩ
20 kΩ
27.6 kΩ
 Digital inputs on A1, A2, A8 (A6), A11 and A12 are normally configured to be
activated when closed to -B. Their behavior can be changed by special HW
configuration, as to be activated when closed to +B.
Connector position
Standard Premium
A4, A5, A6 A1, A2, A6, A7, A8, A11, A12, A13
Microswitches
- It is suggested that microswitches have a contact resistance lower than 0.1 Ω
and a leakage current lower than 500 µA.
- In full-load condition, the voltage between the key-switch contacts must be
lower than 0.1 V.
- If the microswitches to be adopted have different specifications, it is
suggested to discuss them with Zapi technicians prior to employ them.
4.4.3 Analog inputs
Analog inputs are for functions such as accelerator or brake references and they
are acquired through a 10-bit analog-to-digital converter (resolution is given by
voltage excursion over 1024 levels).
Circuit
Input impedance and maximum frequency for analog inputs in standard Zapi
configurations are listed below. Custom hardware may feature different values.
Inverter voltage
24 V
36/48 V
72/80 V
96 V
Input impedance
44 kΩ
94 kΩ
240 kΩ
300 kΩ
Maximum frequency
145 Hz
68 Hz
27 Hz
21 Hz

Zapi DUALACE2 NEW GENERATION Specifications

General

Brand	Zapi
Model	DUALACE2 NEW GENERATION
Category	Controller
Language	English