Appendix D How to Use PLC Function
VFD-E Series
Revision August 2006, 01EE, SW--PW V1.03/CTL V2.03 D-21
D.6.9 Special Auxiliary Relays
Special
M
Function
Read(R)/
Write(W)
M1000
Normally open contact (a contact). This contact is On when running and it is
On when the status is set to RUN.
R
M1001
Normally Off contact (b contact). This contact is Off in running and it is Off
when the status is set to RUN.
R
M1002
On only for 1 scan after RUN. Initial pulse is contact a. It will get positive
pulse in the RUN moment. Pulse width=scan period.
R
M1003
Off only for 1 scan after RUN. Initial pulse is contact a. It will get negative
pulse in the RUN moment. Pulse width=scan period.
R
M1004 Reserved --
M1005 Fault indication of the AC motor drives R
M1006 Output frequency is 0 R
M1007 The operation direction of AC motor drives R
M1008 Reserved --
M1009 Reserved --
M1010 Reserved --
M1011 10ms clock pulse, 5ms On/5ms Off R
M1012 100ms clock pulse, 50ms On / 50ms Off R
M1013 1s clock pulse, 0.5s On / 0.5s Off R
M1014 1min clock pulse, 30s On / 30s Off R
M1015 Frequency attained R
M1016 Parameter read/write error R
M1017 Succeed to write parameter R
M1018 Enable high-speed counter function (When M1028=On) R
M1019 Reserved R
M1020 Zero flag R
M1021 Borrow flag R
M1022 Carry flag R
M1023 Divisor is 0 R
M1024 Reserved --
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