Moog DS2100 User Manual Page 184

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DS2100 User's Manual SECTION 5: DS2100 FUNCTIONAL OVERVIEW
PAGE 5-36
drive is performing a homing cycle, the drive will quickstop, but subsequent moves may occur as part of the homing
cycle.
If not in homing mode, the drive can be set up to disable or remain enabled on detection of a limit switch by setting
bit 1 of quickstop_mode (0x6510/2). If set to 0 then the drive will disable, if set to 1 then the drive will remain
enabled.
If the drive is configured to disable on a quick stop by setting bit 1 to 0, the brake is applied (if configured to do so)
when the velocity decreases below a programmable level set by standby_velocity (0x6510/8). The drive will then
disable a programmable time after the brake is applied set by brake_lock_to_disable_timeout (0x6510/1).
If the velocity does not decrease below standby_velocity within a programmable time set by
velocity_rampdown_time_limit (0x6510/9), then the drive will disable and the brake will be applied (if configured to
do so).
The operation of the brake under a quick stop with disable can be configured to either apply or remain released
using the brake_control parameter as described in the Brake Release Switch section.
5.10.1.1.3 Negative Limit Switch
This handler function is used to configure the input as a negative limit switch. The default operation is that when
the input is set the limit switch is inactive. If the input is cleared, and the drive is not performing a homing cycle,
the drive will stop. For torque mode operation, torque reference is reduced to zero. For velocity mode operation, the
motor is decelerated to zero. For position mode further moves in that direction are prevented. Motion in the opposite
direction is possible provided the other limit switch is not also activated. Further movement in the negative
direction is prevented, by disabling any torque from being applied in this direction. If the input is cleared, and the
drive is performing a homing cycle, the drive will quickstop, but subsequent moves may occur as part of the homing
cycle.
If not in homing mode, the drive can be set up to disable or remain enabled on detection of a limit switch by setting
bit 1 of quickstop_mode (0x6510/2). If set to 0 then the drive will disable, if set to 1 then the drive will remain
enabled.
If the drive is configured to disable on a quick stop by setting bit 1 to 0, the brake is applied (if configured to do so)
when the velocity decreases below a programmable level set by standby_velocity (0x6510/8). The drive will then
disable a programmable time after the brake is applied set by brake_lock_to_disable_timeout (0x6510/1).
If the velocity does not decrease below standby_velocity within a programmable time set by
velocity_rampdown_time_limit (0x6510/9), then the drive will disable and the brake will be applied (if configured to
do so).
The operation of the brake under a quick stop with disable can be configured to either apply or remain released
using the brake_control parameter as described in the Brake Release Switch section.
5.10.1.1.4 Homing Switch
This handler function is used to configure the input as a homing switch. The homing switch is used is used when
certain homing methods are configured. The default operation is that the homing switch is inactive when the input
is cleared, and active when the input is set.
5.10.1.1.5 Quickstop
This handler function is used to configure the input as a quickstop input. The default operation is to quickstop the
drive if the input is set, i.e. decelerates at a programmable rate. The drive can be set up to disable or remain enabled
once the quick stop is complete by setting bit 0 of quickstop_mode (0x6510/2). If set to 1 then the drive will disable,
if set to 0 then the drive will remain enabled.
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