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8400 motec

The 8400 motec frequency inverter can be mounted locally on the motor or on the wall. A repair switch can also be used on the wall. The decentralized arrangement significantly shortens the length of the motor cables. This enables even complex machines to be structured clearly.
The requirements of the Ecodesign Directive, Standard EN IEC 61800-9-2, are met.
Application areas: Traveling and conveyor drives (intralogistics), pumps, fans, ...

Highlights

  • Easy commissioning with plug technology (plug and drive)
  • Compact design
  • High protection class IP65, with switch unit IP54
  • Integrated switches and potentiometers for quick adjustment of configuration as well as speed and ramp
  • Versions with or without repair switch for wall mounting
Fault ID: 9090
Hex: 0x2382
Description: Fault - Device utilization (ixt) too high
Keypad display: Ixt error
Cause Remedy Severity/response

Device utilisation (ixt) too high by frequent and too long acceleration processes.

Check drive sizing. 

  • Reduce the maximum current of the inverter 0x6073 (P324.00). 
  • In case of high mass inertias, reduce maximum current of the inverter 0x6073 (P324.00) to 150 %.

Fault (configurable)

  • The event can only be reset after a blocking time.

Blocking time: 2 s

Setting parameters: 0x2D40:005 (P135.05)
Fault ID: 9040
Hex: 0x2350
Description: CiA: i²xt overload (thermal state)
Keypad display: i2t motor
Cause Remedy Severity/response

Motor thermally overloaded, e. g. by an impermissible continuous current or by frequent or too long acceleration processes.

Check drive sizing.

  • Check machine/driven mechanics for excessive load.
  • Check settings of the motor data.
  • Reduce values for slip compensation 0x2B09:001 (P315.01), 0x2B09:002 (P315.02) and oscillation damping 0x2B0A:001 (P318.01), 0x2B0A:002 (P318.02).

Fault (configurable)

  • The event can only be reset after a blocking time.

Blocking time: 2 s

Setting parameters: 0x2D4B:003 (P308.03)
Fault ID: 9024
Hex: 0x2340
Description: Short circuit at the motor end
Keypad display: Motor shorted
Cause Remedy Severity/response

Short circuit of motor cable

Check motor cable for short circuit.

Fault

  • The inverter is disabled immediately. The motor has no torque (is coasting).
  • The event can only be reset after a blocking time.

Blocking time: 2 s
Fault ID: 8992
Hex: 0x2320
Description: Short circuit or earth leakage at the motor end
Keypad display: Earth leak
Cause Remedy Severity/response
  • Short circuit/earth fault of motor cable
  • Capacitive charging current of the motor cable too high.
  • Check motor cable.
  • Check length of the motor cable.
  • Use shorter or lower-capacitance motor cable.

Fault

  • The inverter is disabled immediately. The motor has no torque (is coasting).
  • The event can only be reset after a blocking time.

Blocking time: 2 s
Fault ID: 8784
Hex: 0x2250
Description: CiA: Continuous over current (internal)
Keypad display: PU over current
Cause Remedy Severity/response
  • Continuous overcurrent on the inverter/ motor side.
  • Overcurrent at the brake chopper (brake transistor).
  • DC bus relay has not been closed due to a malfunction.
  • Check motor and wiring for short circuits.
  • Check brake resistor and wiring.
  • Check motor switching.
  • Check settings of the motor data.

Fault

  • The inverter is disabled immediately. The motor has no torque (is coasting).
  • The event can only be reset after a blocking time.

Blocking time: 2 s
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