Omron NE1A Series - Page 242

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Appendix A
Appendix 3: DeviceNet Explicit Messages
User-specified NE1A parameters can be read and written by sending DeviceNet explicit messages to the
NE1A-series Controller. The NE1A-series Controller will process the received messages and return
responses. This appendix describes the messages that are supported by the NE1A-series Controller.
A-3-1 Explicit Messages: NE1A-SCPU01-V1
Reading General Status: NE1A-SCPU01-V1
Reading I/O Area: NE1A-SCPU01-V1
Explicit message Service Function Command Response
Service
code
Class
ID
Instance
ID
Attribute ID Data size
Read Unit General
Status
Read Reads the Unit’s general
status.
0E hex 39 hex 01 hex
6E hex --- 1 byte
Explicit message Service Function Command Response
Service
code
Class
ID
Instance
ID
Attribute ID Data size
Read I/O Area Read Reads the Unit’s I/O data.
Instance ID Specification
Range:
Local input = 01
Local output/test output = 02
Safety input = 05
Safety output = 06
Address Specification Range:
Local input: 0 or 1
Local output/test output: 0 or 1
Safety input: 0 to 511
Safety output: 0 to 511
0E hex 306
hex
01, 02,
05, or 06
hex
--- First and
second
byte
offset
address:
0000 to
01FF hex
(0 to
511),
Third and
fourth
byte
read size:
0001 to
0100 hex
(1 to 256)
Read data