Omron NE1A-SCPU01 - 07-2009 - Page 321

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Appendix A
A-3-3 Explicit Messages: NE1A-SCPU01
Reading General Status
Reading I/O Area
Safety Input Terminal Settings and Monitors
Explicit message Service Function Command Response
Service
code
Class
ID
In-
stance
ID
At-
tribute
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
In-
stance
ID
At-
tribute
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
4B hex 306
hex
01, 02,
05, and
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 48)
Read data
Explicit message Service Function Command Response
Service
code
Class
ID
In-
stance
ID
At-
tribute
ID
Data size
Read Safety Input
Normal Flag
Read Reads the normal flag status of
the number (1 to 16) specified
by the Instance ID.
0E hex 3D
hex
01 to 10
hex
04 hex --- 1 byte
00 hex: Error
01 hex: Normal
Read Safety input
Error Information
Cause
Read Reads the cause for the normal
flag of the number (1 to 16)
specified by the Instance ID
being OFF (error).
0E hex 3D
hex
01 to 10
hex
6E hex --- 1 byte
00 hex: No error
01 hex: Invalid configu-
ration
02 hex: Test signal error
03 hex: Internal circuit
error
04 hex: Discrepancy
error
05 hex: Error in other
channel of dual
channels
Read AND of Safety
Input Normal Flags
Read Reads the logical AND of the
normal flag status for all inputs
1 to 16.
0E hex 3E
hex
01 hex 05 hex --- 1 byte
00 hex: Error
01 hex: All normal