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Código 207906: <location>Armature short-circui t / internal voltage protection: Parameterization error

Descripción del problema y advertencia de seguridad

El Siemens SINUMERIK 840D CNC ha desencadenado una alarma crítica <location>Armature short-circui t / internal voltage protection: Parameterization error. Se requiere la atención inmediata de un operador calificado o técnico de mantenimiento para evitar daños secundarios al equipo o piezas estropeadas durante el ciclo de fabricación. Asegúrese siempre de seguir los procedimientos de seguridad estándar y LOTO antes de acceder a los armarios eléctricos.

Pasos oficiales de solución de problemas

Message value: Fault cause: %1, motor data set: %2 Drive object: SERVO, VECTOR Reaction: OFF2 Acknowledge: IMMEDIATELY Cause: The armature short-circuit is incorrectly parameterized. Fault value (r0949, interpret decimal): Low word: Motor data set number High word: Cause: 1: A permanent-magnet synchronous motor has not been selected. 101: External armature short-circui t: Output (r1239.0) not connected up. 102: External armature short-circuit with c ontactor feedback signal: No feedback signal connected (BI:p1235). 103: External armature short-circuit withou t contactor feedback signal: Delay time when opening (p1237) is 0. 201: Internal voltage protection: The maximum output current of the Motor Module (r0289) is less than 1.8 * motor short-circuit current (r0331). 202: Internal voltage protection: A Motor Module in booksize format is not being used. 203: Internal voltage protection: The motor short-ci rcuit current (p0320) is greater than the maximum motor current (p0323). 204: Internal voltage protection: The activation (p1231 = 4) is not given for all motor data sets with synchronous motors (p0300 = 2xx, 4xx). SINAMICS-Alarms Remedy: Re cause 1: - an armature short-circuit / voltage protection is only permissible for permanent-magnetic synchronous motors. The highest position of the motor type in p0300 must either be 2 or 4. Re cause 101: - the contactor for the external armature short-ci rcuit configuration should be controlled using output signal r1239.0. The signal can, e.g. be connected to an output terminal BI: p0738. Before this fault can be acknowledged, p1231 must be set again. Re cause 102: - if the external armature short-circuit with cont actor feedback signal (p1231 = 1) is selected, this feedback signal must be connected to an input termin al (e.g. r722.x) and then connected to BI: p1235. - alternatively, the external armature short-circ uit without contactor feedback signal (p1231 = 2) can be selected. Re cause 103: - if the external armature short-circuit without contactor feedback signal (p1231 = 2) is selected, then a delay time must be parameterized in p1237. This time must always be greater than the actual contactor opening time, as otherwise the Motor Module would be short-circuited! Re cause 201: - a Motor Module with a higher maximum current or a motor with a lower short-circuit current must be used. The maximum Motor Module current must be higher than 1.8 * short-circuit current of the motor. Re cause 202: - for internal voltage protection, us e a Motor Module in booksize format. Re cause 203: - for internal voltage protection, onl y use short-circuit proof motors. Re cause 204: - The internal voltage protection must either be activated for all motor data sets with synchronous motors (p0300 = 2xx, 4xx) (p1231 = 3) or it must be de-activated for all motor data sets (p1231 not equal to 3). This therefore ensures that the protec tion cannot be accidentally wi thdrawn as a result of a data set changeover. The fault can only be acknowledged if this c ondition is fulfilled.

Source: SINUMERIK 840D sl / 840Di sl / SINAMICS S120 Diagnostics Manual (DAsl, 03/2009)

Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.

Acerca de las alarmas de Siemens SINUMERIK 840D CNC

Los controladores industriales construidos por Siemens están diseñados con amplios sistemas de diagnóstico para proteger los circuitos internos y los enlaces mecánicos. Cuando un SINUMERIK 840D CNC arroja un código de error como 207906, generalmente indica un desajuste entre los valores ordenados y la retroalimentación real del sensor.

Lista completa de alarmas: 4014 Siemens SINUMERIK 840D CNC códigos.

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