Mitsubishi Electric MELSERVO MR-J3 A Series, Instruction Manual

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