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Mitsubishi Electronics J2-JRSERIES MR-J2-03A5 User Manual

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13 -  18
13. COMMUNICATION FUNCTIONS
13.12.4 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
b0
0: OFF
1: ON
b1
Command of each bit is transmitted to the master
station as hexadecimal data.
bit
External Input Pin
bit
External Input Pin
bit
External Input Pin
bit
External Input Pin
0
CN1B-16
8
CN1B-9
16
24
1
CN1B-17
9
17
25
2
CN1B-15
10
18
26
3
CN1B-5
11
19
27
4
CN1B-14
12
20
28
5
CN1A-8
13
21
29
6
CN1B-7
14
22
30
7
CN1B-8
15
23
31
(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
b0
0: OFF
1: ON
b1
Command of each bit is transmitted to the master
station as hexadecimal data.
bit
External Output Pin
bit
External Output Pin
bit
External Output Pin
bit
External Output Pin
0
CN1A-19
8
16
24
1
CN1A-18
9
17
25
2
CN1B-19
10
18
26
3
CN1B-6
11
19
27
4
CN1B-4
12
20
28
5
CN1B-18
13
21
29
6
CN1A-14
14
22
30
7
15
23
31