External I/O Signal Status (Dio Diagnosis) - Mitsubishi Electric MELSERVO-J5 Series User Manual

External I/O signal status (DIO diagnosis)

Reading the input device status
The input device status can be read.
■Transmission
Transmit the command [1] [2] + data No. [0] [0].
■Return
The slave station returns the input device status.
b31
Each bit command is transmitted to the master station as hexadecimal data.
Bit Symbol
0 SON
1 LSP
2 LSN
3 TL
4 TL1
5 PC
6 RES
7 CR
Reading the external input pin status
The on/off state of the external input pin can be read.
■Transmission
Transmit the command [1] [2] + data No. [4] [0].
■Return
The on/off state of the input pin is returned.
b31
Each bit command is transmitted to the master station as hexadecimal data.
Bit CN3 connector pin
0 43
1 44
2 42
3 15
4 19
5 41
6 16
7 17
*1 When the pulse train input is selected with [Pr. PD44 Input device selection 11H] or [Pr. PD46 Input device selection 12H], the bit will be
always 0 (off).
Bit Symbol
8 SP1
9 SP2
10 SP3
11 ST1/RS2
12 ST2/RS1
13 CM1
14 CM2
15 LOP
Bit CN3 connector pin
8 18
9 45
*1
10 10
*1
11 35

12
13 

14
15 
8 COMMUNICATION FUNCTION (MITSUBISHI ELECTRIC AC SERVO PROTOCOL) [A]
b1 b0
1: On
0: Off
Bit Symbol

16
17 
18 EM1/EM2
19 
20 STAB2
21 
22 STO1
23 STO2
b1 b0
1: On
0: Off
Bit CN3 connector pin

16

17

18
19 

20
21 

22
23 
8.5 Detailed explanations of commands
Bit Symbol

24
25 
26 CDP2
27 CDP
28 CLD
29 MECR

30

31
Bit CN3 connector pin

24

25

26
27 

28
29 

30
31 
421
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