Mitsubishi Electronics MR-J2S- CL User Manual

15 -  21

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 Program No. selection 1 (DI0)

29 Program input 1  (PI1)

8

20 Program No. selection 2 (DI1)

30 Program input 2 (PI2)

9

21 Program No. selection 3 (DI2)

31 Program input 3 (PI3)

10 Current position latch input (LPS)

22 Program 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