Omron SYSMAC CJ1W-SCU21-V1 User Manual

284
Auxiliary Area and CIO Area Allocations (Modbus-RTU Slave Mode) Section 9-3
Response
Reading 19 Bits from
CIO 0001.04 to
CIO 0002.06
Note Unused bits are filled with zeros.
Note The subscript numbers in the shaded boxes indicate the ON/OFF (1/0) status
of the bits that are read.
Read Discrete Inputs
Function Reads multiple bits from the CIO Area of I/O memory.
Command
Response
Reading 19 Bits from
CIO 0001.04 to
CIO 0002.06
Note Unused bits are filled with zeros.
Length Data
Function Code 1 byte 01 hex
Byte Count 1 byte N
Coil Status n byte n = N or N+1
Request Response
Data Data
Function Code 01 hex Function Code 01 hex
Starting Address (H) 00 hex Byte Count 03 hex
Starting Address (L) 14 hex Coil Status 27 to 20 CD hex
Quantity of Coils (H) 00 hex Coil Status 35 to 28
6B hex
Quantity of Coils (L) 13 hex Coil Status 38 to 36
05 hex
1514131211109876543210
CIO 01514131211109 8 7 6 5 4 3 2 1 0
CIO 1 31
1
30
0
29
1
28
1
27
1
26
1
25
0
24
0
23
1
22
1
21
0
20
1
19 18 17 16
CIO 2474645444342414039
38
1
37
0
36
1
35
0
34
1
33
1
32
0
CIO 363626160595857565554535251504948
Length Data
Function Code 1 byte 02 hex
Starting Address 2 bytes 0000 to 13FF hex
Quantity of Coils 2 bytes 1 to 3E8 hex (1 to 1000)
Length Data
Function Code 1 byte 02 hex
Byte Count 1 byte N (See note.)
Coil Status n byte n = N or N+1
Request Response
Data Data
Function Code 02 hex Function Code 02 hex
Starting Address (H) 00 hex Byte Count 03 hex
Starting Address (L) 14 hex Coil Status 27 to 20 CD hex
Quantity of Coils (H) 00 hex Coil Status 35 to 28
6B hex
Quantity of Coils (L) 13 hex Coil Status 38 to 36
05 hex

Omron SYSMAC CJ1W-SCU21-V1 Specifications

General

Brand	Omron
Model	SYSMAC CJ1W-SCU21-V1
Category	Network Hardware
Language	English