External I/O Pin Statuses (Dio Diagnosis) - Mitsubishi Electric MR-J2S-A Instruction Manual

14. COMMUNICATION FUNCTIONS

14.12.4 External I/O pin statuses (DIO diagnosis)

(1) External input pin status read
Read the ON/OFF statuses of the external input pins.
(a) Transmission
Transmit command [1][2] and data No. [4][0].
Command Data No.
[1][2] [4][0]
(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 External input pin
0 CN1B-16
1 CN1B-17
2 CN1B-15
3 CN1B-5
4 CN1B-14
5 CN1A-8
6 CN1B-7
7 CN1B-8
(2) External output pin status read
Read the ON/OFF statuses of the external output pins.
(a) Transmission
Transmit command [1][2] and data No. [C][0].
Command Data No.
[1][2] [C][0]
(b) Reply
The slave station sends back the ON/OFF statuses of the output pins.
b31
Command of each bit is transmitted to the master
station as hexadecimal data.
bit External output pin
0 CN1A-19
1 CN1A-18
2 CN1B-19
3 CN1B-6
4 CN1B-4
5 CN1B-18
6 CN1A-14
7
bit External input pin
8 CN1B-9
9
10
11
12
13
14
15
bit External output pin
8
9
10
11
12
13
14
15
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b1 b0
1: ON
0: OFF
bit External input pin
16
17
18
19
20
21
22
23
b1 b0
1: ON
0: OFF
bit External output pin
16
17
18
19
20
21
22
23
bit External input pin
24
25
26
27
28
29
30
31
bit External output pin
24
25
26
27
28
29
30
31