8 - 20
8. COMMUNICATION FUNCTIONS
8.12.4 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)
10
20 Point table No. selection 2 (DI1)
1 Forward rotation stroke limit (LSP)
11 Forward rotation start (ST1)
21 Point table No. selection 3 (DI2)
2 Reverse rotation stroke limit (LSN)
12 Reverse rotation start (ST2)
22 Point table No. selection 4 (DI3)
3 External torque limit selection (TL)
13
23 Override selection (OVR)
4 Internal torque limit selection (TL2)
14
24 Temporary stop/restart (STP)
5 Proportion control selection (PC)
15
25
Manual pulse generator
multiplication 1 (TP0)
6 Reset (RES)
16 Forced stop (EMG)
26
Manual pulse generator
multiplication 2 (TP1)
7
17 Automatic/manual selection (MDO)
27
8
18 Proximity dog (DOG)
28
9
19 Point table No. selection 1 (DI0)
29
(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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Содержание MELSERVO MR-J2 C Series
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