Mitsubishi Electric MR-JE-_A, Instruction Manual

Page: 328 / 370

12. COMMUNICATION FUNCTION (MITSUBISHI ELECTRIC 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
5 PC 13 CM1 21 29
6 RES 14 CM2 22 30
7 CR 15 LOP 23 31
(4) Reading output device status
The following shows how to read the on/off status of the output devices.
(a) Transmission
Transmit command [1] [2] and data No. [8] [0].
Command Data No.
[1] [2] [8] [0]
(b) Return
The slave station returns the status of the input/output 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 RD 8 ALM 16 24
1 SA 9 OP 17 25 CDPS
2 ZSP 10 MBR 18 26
3 TLC 11 19 27
4 VLC 12 ACD0 20 28
5 INP 13 ACD1 21 29
6 14 ACD2 22 30
7 WNG 15 23 31 MTTR