################################################################################################### 
# Area Scan: Multiple positioners, each one is one dimension.
################################################################################################### 

# Scan parameters
Y_start = -1.0
Z_start =  9.0
Y_end =   1.0
Z_end =  12.0
Y_steps = 8
Z_steps = 8
# NPLC (integration time) value for the Keithleys
NPLC=10

caput('X11MA-KEI10:NPLC', NPLC)
caput('X11MA-KEI11:NPLC', NPLC)
caput('X11MA-KEI12:NPLC', NPLC)

# move Y and Z motors to start position
TRY.write(Y_start)
TRZ.write(Z_start)

cawait(TRY_RBV,Y_start)
cawait(TRZ_RBV,Z_start)

# run the area scan
r1 = ascan((TRY,TRZ), (Keithley_1_raw,Keithley_2_raw,Keithley_3_raw), (Y_start,Z_start), (Y_end,Z_end), (Y_steps-1,Z_steps-1), 3.0, False, 1, True)