Mitsubishi Electric MR-J4, Instruction Manual

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14. COMMUNICATION FUNCTION (MITSUBISHI GENERAL-PURPOSE AC SERVO PROTOCOL)
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(3) Reading the status of input devices switched on with communication
The following shows how to read the on/off status of the input devices switched on with communication.
(a) Transmission
Transmit command [1] [2] and data No. [6] [0].
Command Data No.
[1] [2] [6] [0]
(b) Return
The slave station returns the status of the input devices.
b31 b1b0
1: On
0: Off
Command of each bit is transmitted to the master station as hexadecimal data.
Bit Symbol Bit Symbol Bit Symbol Bit Symbol
0 SON 8 SP1 16 24
1 LSP 9 SP2 17 25
2 LSN 10 SP3 18 26
3 TL 11 ST1/RS2 19 27 CDP
4 TL1 12 ST2/RS1 20 STAB2 28 CLD (Note)
5 PC 13 CM1 21 29 MECR (Note)
6 RES 14 CM2 22 30
7 CR 15 LOP 23 31
Note. This is not available with the MR-J4-03A6 servo amplifier.
(4) Reading external output pin status
The following shows how to read the on/off status of the external output pins.
(a) Transmission
Transmit command [1] [2] and data No. [C] [0].
Command Data No.
[1] [2] [C] [0]
(b) Return
The slave station returns the status of the output devices.
b31 b1b0
1: On
0: Off
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 49 8 14 (Note) 16 24
1 24 9 17 25
2 23 10 18 26
3 25 11 19 27
4 22 12 20 28
5 48 13 21 29
6 33 14 22 30
7 13 (Note) 15 23 31
Note. This is available when devices are assigned to the CN1-13 pin and CN1-14 pin with MR-J4-_A_-RJ 100 W or more servo
amplifiers with software version B3 or later. This is not available with the MR-J4-03A6 servo amplifier.