64
Remote I/O Allocations Section 4-3
Bit Arrangements for Each Type of Data
The bit arrangements for status data and I/O tag settings are shown below.
Status Details
The following tables show the status details.
General Status (1 Byte)
Attribute: Non-safety Data
Local Input Status (
2 Bytes, Pre-Ver. 1.0 Controllers) Attribute: Safety Data
ON: Normal, OFF: Error
Bit Content Description
0 Input Power Supply Voltage Status
Flag
OFF: Normal power supply is ON.
ON: Power supply voltage error or
power supply is OFF.
Indicates the status of the power supply voltage for inputs.
1 Output Power Supply Voltage Status
Flag
OFF: Normal power supply is ON.
ON: Power supply voltage error or
power supply is OFF.
Indicates the status of the power supply voltage for outputs.
2 Standard I/O Communications Error
Flag
OFF: No error
ON: Error
Indicates if there is any error in standard I/O communica-
tions.
“Error” indicates that an error has been detected in one or
more connections.
3 Standard I/O Communications Status
Flag
OFF: I/O communications stopped or
error
ON: I/O communications in progress
Indicates whether standard I/O communications are in
progress.
ON if normal communications are in progress for all connec-
tions.
4 Safety I/O Communications Error Flag
OFF: No error
ON: Error
Indicates if there is any error in Safety I/O communications.
“Error” indicates that an error has been detected in one or
more connections.
5 Safety I/O Communications Status
Flag
OFF: I/O communications stopped or
error
ON: I/O communications in progress
Indicates whether Safety I/O communications are in
progress.
ON if normal communications are in progress for all connec-
tions.
6 Operating Mode Flag
OFF: Not RUN Mode
ON: RUN Mode
Indicates the operating mode of the NE1A-series Controller.
7 NE1A Status Flag
OFF: Error
ON: Normal
Indicates the status of the NE1A-series Controller.
This flag will indicate an error when an error indicated in the
error details (10-4-2 Error Information Details) occurs.
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Safety
input
terminal 7
status
Safety
input
terminal 6
status
Safety
input
terminal 5
status
Safety
input
terminal 4
status
Safety
input
terminal 3
status
Safety
input
terminal 2
status
Safety
input
terminal 1
status
Safety
input
terminal 0
status
1 Safety
input
terminal
15 status
Safety
input
terminal 14
status
Safety
input
terminal
13 status
Safety
input
terminal
12 status
Safety
input
terminal
11 status
Safety
input
terminal
10 status
Safety
input
terminal 9
status
Safety
input
terminal 8
status
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