70
Computer command message AC drive response message
D6
CD31 content '0'
CD31 content '1'
30
D6
CD31 content '0'
CD31 content '1'
30
31 31
D7 LRC HI LRC HI D7 LRC HI LRC HI
D8 LRC LO LRC LO D8 LRC LO LRC LO
END HI 0D END HI 0D
END LO 0A END LO 0A
(3) 08H : Communication loop detection
Computer command message
D1 : Communication address
D2 : Function code
D3 : Data 1
D4 : Data 2
D5 : Data 3
D6 : Data 4
D7 : CRCL
D8 : CRCH
(0~FFh)
(08h)
(0~FFh)
(0~FFh)
(0~FFh)
(0~FFh)
(0~FFh)
(0~FFh)
AC drive response message
D1 : Communication address
D2 : Function code
D3 : Data 1
D4 : Data 2
D5 : Data 3
D6 : Data 4
D7 : CRCL
D8 : CRCH
(0~FFh)
(08h)
(0~FFh)
(0~FFh)
(0~FFh)
(0~FFh)
(0~FFh)
(0~FFh)
AC drive response messages need to be same as command message when
do communication loop detection.