External I/O Signal Status (Dio Diagnosis) - Mitsubishi Electric MELSERVO-J3 Series Manual

Part 5: Common Reference Material

4.5.4 External I/O signal status (DIO diagnosis)

(1) Reading input device status
The following shows how to read the status of the input devices.
(a) Transmission
Transmit command [1] [2] and data No. [0] [0].
(b) Return
The slave station returns the status of the input devices.
Bit Symbol
0 SON
1 LSP
2 LSN
3 TL
4 TL1
5 PC
6 RES
7 CR
(2) Reading external input pin status
The following shows how to read the on/off status of the external input pins.
(a) Transmission
Transmit command [1] [2] and data No. [4] [0].
(b) Return
The on/off status of the input pins are returned.
Bit CN1 connector pin
0 43
1 44
2 42
3 15
4 19
5 41
6 16
7 17
Command Data No.
[1] [2] [0] [0]
b31
Command of each bit is transmitted to the master station as hexadecimal data.
Bit Symbol
8 SP1
9 SP2
10 SP3
11 ST1/RS2
12 ST2/RS1
13 CM1
14 CM2
15 LOP
Command Data No.
[1] [2] [4] [0]
b31
Command of each bit is transmitted to the master station as hexadecimal data.
Bit CN1 connector pin
8 18
9 45
10
11
12
13
14
15
5 - 82
Bit Symbol
16
17
18
19
20 STAB2
21
22
23
Bit CN1 connector pin
16
17
18
19
20
21
22
23
b1b0
1: On
0: Off
Bit Symbol
24
25
26
27 CDP
28 CLD
29 MECR
30
31
b1b0
1: On
0: Off
Bit CN1 connector pin
24
25
26
27
28
29
30
31