Version 4
SHEET 1 880 680
WIRE 96 112 80 112
WIRE 80 128 80 112
FLAG 80 208 0
FLAG 96 112 pwl1
SYMBOL voltage 80 112 R0
WINDOW 123 24 112 Left 2
SYMATTR InstName V1
SYMATTR Value PWL TIME_SCALE_FACTOR=1m
SYMATTR Value2 0,0 1,{vpwl1} 2,{vpwl1} 3,{vpwl2} 4,{vpwl2}
TEXT 72 56 Left 2 !.tran 5m
TEXT 72 72 Left 2 !.param vpwl1=1.1
TEXT 72 88 Left 2 !.param vpwl2=2.2
TEXT 104 272 Left 2 ;file=pwltest.txt
TEXT 104 256 Left 2 ;0,0 1,{vpwl1} 2,{vpwl1} 3,{vpwl2} 4,{vpwl2}