Instruction manual
8. OUTPUT MODULES
8 − 51
8.5 Common Devices (Input/Output, Internal Relays, Data Registers)
The I/Os, internal relays and data registers used in the output modules are
explained here.
8.5.1 Internal relays (M)
(1) Internal relay (M) list
(a) Status of each axis
Axis
No.
Device Number Signal Name
1 M2400 to M2419 (
!
Valid)
2 M2420 to M2439
Virtual Refresh Cycle Fetch Cycle
3 M2440 to M2459
4 M2460 to M2479
Preset number of axes
(Note)
Preset number of axes
(Note)
5 M2480 to M2499
1 to 8 9 to 18 19 to 32 1 to 8 9 to 18 19 to 32
6 M2500 to M2519
Signal Name Real
Roller
Ball
screw
Rotary
table
Cam
Signal
Direction
1 to 12 13 to 24 25 to 32 1 to 12 13 to 24 25 to 32
7 M2520 to M2539
8 M2540 to M2559
0
Positioning start
completion
9 M2560 to M2579 1 Positioning completion
OFF
10 M2580 to M2599 2 In-position
!
3.5ms 7.1ms 14.2ms
11 M2600 to M2619 3 Command in-position
12 M2620 to M2639 4 Speed controlling
13 M2640 to M2659
14 M2660 to M2679
5
Speed/position
change latch
OFF
15 M2680 to M2699 6 Zero pass
3.5ms 7.1ms 14.2ms
16 M2700 to M2719 7 Error detection Immediately
17 M2720 to M2739 8 Servo error detection 3.5ms 7.1ms 14.2ms
18 M2740 to M2759 9 Zeroing request 10ms 20ms
19 M2760 to M2779 10 Zeroing completion 3.5ms 7.1ms 14.2ms
20 M2780 to M2799 11 External signal FLS
21 M2800 to M2819 12 External signal RLS
22 M2820 to M2839 13 External signal STOP
23 M2840 to M2859
24 M2860 to M2879
14
External signal
DOG/CHANGE
10ms 20ms
25 M2880 to M2899 15 Servo ON/OFF status
26 M2900 to M2919 16 Torque limiting signal
3.5ms 7.1ms 14.2ms
27 M2920 to M2939 17 DOG/CHANGE signal
28 M2940 to M2959
29 M2960 to M2979
30 M2980 to M2999
18
Virtual mode
continuation operation
warning signal
!
10ms 20ms
31 M3000 to M3019
32 M3020 to M3039
19
M-code outputting
signal
!
OFF
SCPU
←
PCPU
3.5ms 7.1ms 14.2ms
(Note): Upper: A273UHCPU, lower: A173UHCPU(-S1)