chan='X07MB-ES-MA1:ScanX.VAL'
d=Channel(chan)
d.put(0)
caput('X07MB-ES-MA1:ScanX.VAL',0.1)
print('caput(X07MB-ES-MA1:ScanX.VAL,0.1)',  d.read())
caput('X07MB-ES-MA1:ScanX.VAL','0.2')
print('caput(X07MB-ES-MA1:ScanX.VAL, str(0.2))', d.read() )
d.put(0.3)
print('d.put(0.3)',d.read())
d.put('0.4')
print('d.put(0.3)',d.read())