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| MVH_brakes.mac | ||||||
| [ source code | installed at | configured at ] | ||||||
| See other macros in category: All | ||||||
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Description:
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Documentation:
control of the brakes of the mirrors. | ||||||
Macros:
Usage: MVH_brakes_setup <brakeu_mne> <brakeu_pol> <braked_mne> <braked_pol> ... Definition of the sets of brakes. One set defines 2 brakes (one 'up' and one 'down') and is associated to a mirror. A brake action is realized by a motor applying a vertical force on an horizontal plate to avoid motion on the element pressed by this plate. The commands to apply or release a brake is done by moving the motor to a specific position (). There are 2 brakes, each one pressing on one region of the plate. Typical setup: MVH_setup brakeu braked [brakebu brakebd ...] - brakeu_mne: mnemonic for 'brake up' motor - brakeu_pol: brake polarity for 'brake up' motor: 0 if [applied on lim-, released on lim+] or 1 if [applied on lim+, released on lim-] - braked_mne: mnemonic for 'brake down' motor - braked_pol: brake polarity for 'brake up' motor: 0 if [applied on lim-, released on lim+] or 1 if [applied on lim+, released on lim-] The macros will give the possibility to move the brakes of a set at the same time. MVH_brakeon Usage: MVH_brakeon (brake_set_number) set brakes ON (wait until end of motion) MVH_brakeoff Usage: MVH_brakeoff (brake_set_number) set brakes OFF (wait until end of motion) MVH_status Usage: MVH_status (brake_set_number) Gives the status of the brakes MVH_brakeuon Usage: MVH_brakeuon (brake_set_number) set brake up ON MVH_brakedon Usage: MVH_brakedon (brake_set_number) set brake down ON MVH_brakeuoff Usage: MVH_brakeuoff (brake_set_number) set brake up OFF MVH_brakedoff Usage: MVH_brakedoff (brake_set_number) set brake down OFF MVH_debug Usage: MVH_debug toggle debug mode for the present macros. MVH_stopu Usage: MVH_stopu (brake_set_number) stops brake up MVH_stopd Usage: MVH_stopd (brake_set_number) stops brake down | ||||||
| Internal Macros: | ||||||
Usage: _MVH_statu (brake_set_number) reads icepap status of the brake up motor. _MVH_statd Usage: _MVH_statd (brake_set_number) reads icepap status of the brake down motor. _MVH_pollu Usage: _MVH_pollu (brake_set_number) wait for the end of motion of brake up motor. It returns: - -1 if problem - 1 no limit - 2 if lim+ - 3 if lim- - 4 if lim+ and lim- _MVH_polld Usage: _MVH_polld (brake_set_number) wait for the end of motion of brake down motor. It returns: - -1 if problem - 1 no limit - 2 if lim+ - 3 if lim- - 4 if lim+ and lim- _MVH_checkmot Usage: _MVH_checkmot (brake_set_number) check that the motors for MVH are defined. exit if not. | ||||||
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