SMC Networks LECSB2-T Series User Manual

14. COMMUNICATION FUNCTION
14 - 27
14.5.4 External I/O signal status (DIO diagnosis)
(1) Reading input device status
The following shows how to read the status of the input devices.
(a) Transmission
Transmit command [1] [2] and data No. [0] [0].
Command
Data No.
[1] [2]
[0] [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
5
PC
13
CM1
21
29
MECR
6
RES
14
CM2
22
30
7
CR
15
LOP
23
31
(2) Reading external input pin status
The following shows how to read the on/off status of the external input pins.
(a) Transmission
Transmit command [1] [2] and data No. [4] [0].
Command
Data No.
[1] [2]
[4] [0]
(b) Return
The on/off status of the input pins are returned.
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
43
8
18
16
24
1
44
9
45
17
25
2
42
10
18
26
3
15
11
19
27
4
19
12
20
28
5
41
13
21
29
6
16
14
22
30
7
17
15
23
31

SMC Networks LECSB2-T Series Specifications

General

Brand	SMC Networks
Model	LECSB2-T Series
Category	DC Drives
Language	English