# This sequence exercise the MHC QCM heaters and QCM data acquisition # QCM heaters are for contamination only. It is OK to leave # the structure heaters ON # ***The watchdog must be disabled before prolonged QCM measurement*** # 28/09/2004 # KFJ $sequence_number = 31; # This sequence exercise the MHC QCM heaters and QCM data acquisition # QCM heaters are for contamination only. Normally, leave structure heaters ON sequence_id(0xface) sequence_repeats(1) #Turn off watchdog #eis_mhc_watchdog(0xffff) #eis_delay(100) #Turn QCM1 and 2 HEATERS OFF (precaution) eis_mhc_qcm_htr(0x0000) #Turn both QCMs OFF (in case they have been left ON!). INT. TIME min. = 1 eis_mhc_qcm_control(0x0000,1) # QCM1 ON for 9677 cycles (~0.62ms per cycle, 1.6 kHz), i.e. 6 seconds # 6000/0.62 = 9677 eis_mhc_qcm_control(0x0001,9677) #See MHC status PARMS 59 and 60 #delay to see it visually by HK eis_delay(60000) #Turn both QCMs OFF eis_mhc_qcm_control(0x0000,1) #QCM2 ON, as above eis_mhc_qcm_control(0x0002,9677) #See MHC status PARMS 59 and 60 eis_delay(60000) #Turn both QCMs OFF eis_mhc_qcm_control(0x0000,1) #Turn on watchdog #eis_mhc_watchdog(0x0001) #eis_delay(100) eis_call_seq(03)