13
CD1-a
Chapter 2 - Specifications
3 - MAIN PROTECTIONS
3.1 - STORED PROTECTIONS
PROTECTION ERROR
DISPLAY
LED
Amplifier rated current overload (see Chapter 8, part 3.2)
I
2
t
z
Resolver cable interruption Resolver
z
Power stage Power stage
z z
Resolver converter failure R. D. C
z
Power supply undervoltage (non stored fault) Undervolt.
z
z
Motor overtemperature °C motor
z z
z
Speed following error
Following err.
z
Amplifier parameter memory EEPROM
z
z z
- Procedure execution error
- Initialization phase execution error
Busy
z z
z z
24 VDC auxiliary supply out of tolerances
19 V < 24 VDC < 29 V
24 V
z
z
: LED is unlit z : LED is lit.
NOTE
The power stage error includes the following faults:
- power supply overvoltage
- internal switch protection
- short-circuit between motor phases or between motor phase and earth
- amplifier overtemperature (on CD1-a-400/I only)
- fan system error
- PWM control error
- power stage supply
- braking system
The detail of the “Power stage” fault can be displayed in the Visual drive Setup software.
All these faults are stored in the amplifier except for the "Undervolt." fault.
The reset of a stored fault can be made:
- by means of the RESET function in the VISUAL DRIVE SETUP software
- via the fault RESET input (pin 13 of the X2 connector)
- by switching off the amplifier power supply.
All faults release the amplifier disabling. All faults, except for "Undervolt.", also release the opening of the AOK
relay contact.
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