Mitsubishi Electric Q172CPU Programming Manual page 85

4 POSITIONING DEDICATED SIGNALS
(21) Speed change "0" accepting flag (M2240 to M2271)
This flag turns on while a speed change request to speed "0" or negative
speed change is being accepted.
It turns on when the speed change request to speed "0" or negative speed
change is accepted during a start. After that, this signal turns off when a speed
change is accepted or on completion of a stop due to a stop cause.
V
Start accept flag
Speed change "0"
accepting flag
Positioning
complete signal
The speed change "0" accepting flag list is shown below.
Axis No. Device No.
1 M2240
2 M2241
3 M2242
4 M2243
5 M2244
6 M2245
7 M2246
8 M2247
REMARK
(1) Even if it has stopped, when the start accept flag (M2001 to M2032) is ON
state, the state where the request of speed change "0" is accepted is
indicated.
Confirm by this speed change "0" accepting flag.
(2) During interpolation, the flags corresponding to the interpolation axes are set.
(3) In any of the following cases, the speed change "0" request is invalid.
• After deceleration by the JOG signal off
• After positioning automatic deceleration start
• After deceleration due to stop cause
Speed change "0"
V
1
Speed change V
ON
OFF
Axis No. Device No. Axis No.
9 M2248 17
10 M2249 18
11 M2250 19
12 M2251 20
13 M2252 21
14 M2253 22
15 M2254 23
16 M2255 24
(Note) : The range of axis No.1 to 8 is valid in the Q172CPU(N).
4 - 54
.............. Status signal
Deceleration stop at the speed change
"0" accept.
Thereafter, by changing speed to
except "0", it starts continuously.
2
V
2
t
Device No. Axis No. Device No.
M2256 25
M2257 26
M2258 27
M2259 28
M2260 29
M2261 30
M2262 31
M2263 32
M2264
M2265
M2266
M2267
M2268
M2269
M2270
M2271