External I/O Signal Statuses (Di0 Diagnosis) - Mitsubishi Electric Melservo MR-J3-A Instruction Manual

13. COMMUNICATION FUNCTION

13.5.4 External I/O signal statuses (DI0 diagnosis)

(1) Reading of input device statuses
Read the statuses of the input devices.
(a) Transmission
Transmit command [1][2] and data No. [0][0].
Command
[1][2]
(b) Reply
The slave station sends back the statuses of the input pins.
b31
Command of each bit is transmitted to the master
station as hexadecimal data.
bit Abbreviation
0 SON
1 LSP
2 LSN
3 TL
4 TL1
5 PC
6 RES
7 CR
(2) External input pin status read
Read the ON/OFF statuses of the external output pins.
(a) Transmission
Transmit command [1][2] and data No. [4][0].
Command
[1][2]
(b) Reply
The ON/OFF statuses of the input pins are sent back.
b31
Command of each bit is transmitted to the master
station as hexadecimal data.
bit CN1 connector pin
0 43
1 44
2 42
3 15
4 19
5 41
6 16
7 17
Data No.
[0][0]
bit Abbreviation
8 SP1
9 SP2
10 SP3
11 ST1
12 ST2
13 CM1
14 CM2
15 LOP
Data No.
[4][0]
bit CN1 connector pin
8 18
9 45
10
11
12
13
14
15
b1 b0
1:ON
0:OFF
bit Abbreviation
16
17
18
19
20 STAB2
21
22
23
b1 b0
1:ON
0:OFF
bit CN1 connector pin
16
17
18
19
20
21
22
23
13 - 22
bit Abbreviation
24
25
26
27 CDP
28
29
30
31
bit CN1 connector pin
24
25
26
27
28
29
30
31