Special Auxiliary Relays - Delta C2000 series User Manual

Example:
LD X0
RST C0
LD X1
CNT C0 K5
LD C0
OUT Y0
1. When X0=On, RST command is executed,
C0 reset to 0 and output contact reset to
Off.
2. When X1 is from Off to On, counter will
count up (add 1).
3. When counter C0 attains settings K5, C0
contact is On and C0 = setting =K5. C0
won't accept X1 trigger signal and C0
remains K5.

16.4.2 Special Auxiliary Relays

Special
M
M1000 Normally open contact (a contact). This contact is On when running and it is On when
the status is set to RUN.
M1001 Normally closed contact (b contact). This contact is Off when running and it is Off
when the status is set to RUN.
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.
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.
M1004
Reserved
M1005
Fault indication of the AC motor drives
M1006
Output frequency is 0, M1006 On
M1007 Operation direction of AC motor drives (FWD: M1007 Off, REV: M1007On)
M1008
~ Reserved
M1010
M1011
10ms clock pulse, 5ms On/5ms Off
M1012 100ms clock pulse, 50ms On / 50ms Off
M1013 1s clock pulse, 0.5s On / 0.5s Off
M1014 1min clock pulse, 30s On / 30s Off
M1015 Frequency attained, M1015=On
M1016 Parameter read/write error, M1016=On
M1017 Succeed to write parameter, M1017 =On
M1018 Reserved
M1019 Reserved
M1020 Zero flag
M1021 Borrow flag
M1022 Carry flag
X0
RST C0
X1
CNT C0 K5
C0
Y0
Function
16-23
Chapter 16 PLC Function |C2000 Series
X0
X1
C0
present
2
value
1
0
Contacts Y0, C0
5
4
settings
3
0
Read(R)/
Write(W)
Read only
Read only
Read only
Read only
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Read only
Read only
Read only
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Read only
Read only
Read only
Read only
Read only
Read only
Read only
Read only
Read only
Read only