T200 User's Manual SECTION 6: T200 FUNCTIONAL OVERVIEW
PAGE 6-54
6.8.1.4 Non Fatal Faults
The following is an overview of the non-fault detection mechanisms in the T200. The fault codes that are displayed on
the 7-segment display are explained in Section 3.19.
A.C. Mains not applied or High Power Not Ready Fault [ U 1 ]
• A.C. Mains not applied
This condition is treated as a Non Fatal Fault because most motion control system will power-on logic level power,
and carry-out self-configuration and self-diagnostics before application of a.c. mains power. If the Non Fatal Fault
does occur, it should be interpreted differently for each type of T200 (with and without integral high power PSU).
If the drive model is T200-X10 then no a.c. mains is present. If the drive model is a T200-X00, then the Power-
Ready signal from the T200-X10 is not beeing received, I.e. the DC-bus is not present. If this fault occures the drive
decelerate and disables.
• High Power Not Ready Fault
The T200 Servo-drive has a soft start feature that limits the inrush current from the a.c. mains. While the Servo-
drive is in soft start mode then the High Power Not Ready fault is reported and the T200 cannot be enabled. When
the soft start is over then this fault is cleared and the output inverter power amplifier can be enabled. This
circumstance is brought to the attention of the user because if it occurs during normal operation, the drive will
decelerate and disable.
CAN Communications Loss [ U 7 ] or Programming Error [ U 9 ]
The T200 monitors the reception of messages expected on CAN and also checks that it could successfully transmit
messages as required. This fault indicates that the drive cannot establish or has lost reliable communications via CAN
with its Host controller. Also if the T200 is in CAN Profile mode, and an unachievable command is sent to the T200 via
the CAN interface (e.g. too high speed movement), the T200 will indicate the fault, decelerate and disable.
Quick Stop Active [ U A ]
Indicates that the Quick Stop digital input is active. The drive will decelerate and disable when this input is active.
Incremental Encoder or Stepper Motor Input Loss [ U b ]
This fault is only active when the drive is configured for a Stepper Motor Reference, or the Point system uses the
incremental encoder, and the appropriate signals are not present. In this case the drive will not disable, but will simply
hold its present position.
Regen Fuse Blown [ F 3 ]
A regeneration fuse blown fault occurs when the protection fuse for the internal regeneration circuitry blows. This can
happen by excessive switch on/off cycles of the a.c. mains (see Section 3.10) or if the internal regeneration circuit power
transistor fails. When a regeneration fuse blown fault occurs, the drive decelerates and disables and the fault is latched.
:- If A.C. mains is applied and this fault occurs do not attempt to restart the
drive. Consult Moog for further instructions.
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