ok that makes sense John

now to the switches, i thought this might be easy but no lol

on the YOC335 i have

pulse/rev = 1600
decay mode = 0%
peak/rms = 3.5/1.8
switch 7 set to half current

so am i right in thinking the TB6560 should be set like this
sw1 = on
sw2 = off
sw3 = off
s1 = off
giving a working current of 1.6

s2 (stop current) i am unsure off

s3 = off
s4 = on
the above two switches are marked as excitation mode which i presume is the pulse/rev so i have it set to 16

s5 = off
s6 = off