Internal Relay (M)/Data Register (D) Availability; Internal Relays - Mitsubishi Electric MELSEC iQ-R16MTCPU Programming Manual

3.12

Internal Relay (M)/Data Register (D) Availability

The availability of common devices such as internal relays (M) and data registers (D), and devices on each axis during G-
code control is shown below.

Internal relays

Common device
: Available : Not available
Device No.
MELSEC iQ-R Q series Motion
Motion device compatible
assignment device
assignment
M30000 M2000

M30001
to
M30037
M30038 M2038
M30039 M2039
M30040 M2040
M30041 M2041
M30042 M2042
M30043 M2043
to to
M30047 M2047
M30048 M2048
M30049 M2049
M30050 M2050
M30051 M2051
M30052 M2052
M30053 M2053
M30054 M2054
M30055 
to
M30079
M30080 M2001
to to
M30143 M2032
M30144 M2061
to to
M30207 M2092
M30208 M2128
to to
M30271 M2159
M30272 M2240
to to
M30335 M2271
M30336 M2272
to to
M30399 M2303
M30400 
to
M30639
Symbol Signal name
Rq.1120 PLC ready flag

Unusable
St.1041 Motion SFC debugging flag

Unusable
Rq.1122 Speed switching point specified flag

Unusable
Rq.1123 All axes servo ON command

Unusable
Rq.1124 JOG operation simultaneous start
command
St.1045 All axes servo ON accept flag

Unusable
Rq.1125 Manual pulse generator 1 enable flag
Rq.1126 Manual pulse generator 2 enable flag
Rq.1127 Manual pulse generator 3 enable flag
St.1046 Operation cycle over flag
 Unusable
St.1040 Start accept flag
St.1047 Speed change accepting flag
St.1048 Automatic decelerating flag
St.1049 Speed change "0" accepting flag
St.1050 Control loop monitor status
 Unusable
During Remarks
G-code
control







No servo OFF during G-code control. (G-
code control does not end.)
When G-code control ends, the
command status at that time becomes
valid.










Turns ON at G-code control start.
Turns OFF at G-code control end.


Turns OFF at G-code control start.



3 G-CODE CONTROL DEDICATED SIGNALS
3.12 Internal Relay (M)/Data Register (D) Availability
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