Posted to tcl by grummund at Thu Jun 01 19:32:23 GMT 2017view pretty

#!/usr/bin/expect -f

log_file -noappend modbustest.log

set device /dev/ttyUSB0
spawn -open [open $device r+]
stty 9600 cs8 parenb -cstopb raw < $device
fconfigure $spawn_id -encoding binary -translation binary

# fconfigure stdin -encoding binary -translation binary
# fconfigure stdout -encoding binary -translation binary

send   "\xE0\x10\x4E\x74\x00\x02\x04\x42\x78\x00\x00\x4F\x85"
expect "\xE0\x10\x4E\x74\x00\x02\x01\x4B"

after 1000

send   "\xE0\x10\x4E\x72\x00\x02\x04\x44\x7A\x00\x00\x6E\xE7"
expect "\xE0\x10\x4E\x72\x00\x02\xE1\x4A"

after 1000

send   "\xE0\x06\x00\x64\x00\x00\xDF\xA4"
expect "\xE0\x06\x00\x64\x00\x00\xDF\xA4"

after 1000

send   "\xE0\x06\x00\x65\x00\x00\x8E\x64"
expect "\xE0\x06\x00\x65\x00\x00\x8E\x64"

after 1000

send   "\xE0\x06\x00\x66\x00\x00\x7E\x64"
expect "\xE0\x06\x00\x66\x00\x00\x7E\x64"

after 1000

send   "\xE0\x06\x00\xC8\x00\x05\xDF\x86"
expect "\xE0\x06\x00\xC8\x00\x05\xDF\x86"

exit