4 external i/o signal statuses, Communication functions – MITSUBISHI ELECTRIC MR-J2S- CP User Manual

Page 329

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15. COMMUNICATION FUNCTIONS


15.12.4 External I/O signal statuses

(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 Signal

name

bit Signal

name bit

Signal

name

0 Servo-on (SON)

12 Reverse rotation start (ST2)

24 Temporary stop/restart (STP)

1 Forward rotation stroke limit (LSP) 13

2 Reverse rotation stroke limit (LSN) 14

25

Manual pulse generator
multiplication 1 (TP0)

3 External torque limit selection (TL) 15

4 Internal torque limit selection (TL2) 16 Forced stop (EMG)

26

Manual pulse generator
multiplication 2 (TP1)

5 Proportion control selection (PC)

17 Automatic/manual selection (MD0)

27 Gain switch (CDP)

6 Reset (RES)

18 Proximity dog (DOG)

28

7

19 Point table No. selection 1 (DI0)

29 Point table No. selection 5 (DI4)

8

20 Point table No. selection 2 (DI1)

30 Teach (TCH)

9

21 Point table No. selection 3 (DI2)

31

10

22 Point table No. selection 4 (DI3)

11 Forward rotation start (ST1)

23 Override selection (OVR)


(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

External input pin

bit

External input pin

0 CN1B-16

5 CN1A-8

1 CN1B-17

6 CN1B-7

2 CN1B-15

7 CN1B-8

3 CN1B-5

8 CN1B-9

4 CN1B-14

9 CN1A-19

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