Remote I/O Allocations; I/O Allocations; I/O Data - Omron DeviceNet DST1 Series Operation Manual

3-2

Remote I/O Allocations

3-2 Remote I/O Allocations
3-2-1

I/O Allocations

The DST1-series Safety I/O Terminals internally store I/O data. Connection paths can
be set using the Network Configurator to allocate I/O data for the Master Unit. Be sure
to set the required connection paths.
3-2-2

I/O Data

The DST1-series Safety I/O Terminals store the following data.
• SAFE: The Controller can use this information in safety-related functions.
• NON-SAFE: Additional information that must not be relied on for safety functions.
Data
Input data Safety Input Data
SAFE
Combined Safety Input
Status
SAFE
Individual Safety Input
Status
SAFE
Combined Safety
Output Status
SAFE
Individual Safety Output
Status
SAFE
Muting Lamp Status
SAFE
Safety Output Monitor
NON-SAFE
Individual Test Output
Status
NON-SAFE
General Status Data
NON-SAFE
3-6
Indicates the ON/OFF status of each input terminal.
• ON: 1
• OFF: 0
An AND of the status of all input terminals.
• All terminals are normal: 1
• An error has been detected in one or more input terminals: 0
Indicates the status of each input terminal.
• Normal: 1
• Error: 0
An AND of the status of all output terminals.
• All terminals are normal: 1
• An error has been detected in one or more output terminals: 0
Indicates the status of each output terminal.
• Normal: 1
• Error: 0
Indicates the status when terminal T3 is configured as the muting
lamp output.
• Normal: 1
• Error: 0
Monitors the outputs of the safety output terminals.
• ON: 1
• OFF: 0
Indicates the status of each of the test output terminals.
• Normal: 1
• Error: 0
Bit 0 Safety Input Power Status Flag
0: Input power supply ON
1: Input power supply OFF
Bit 1 Safety Output Power Status Flag
0: Output power supply ON
1: Output power supply OFF
Bit 2 Network Power Voltage Drop Flag
0: Normal (higher than set monitor value)
1: Error (same as or lower than set monitor value)
Bit 3 Unit Maintenance Flag
0: Within range (lower than set monitor value)
1: Over range (same as or higher than set monitor
value)
Bit 4 Reserved
Bit 5 Combined I/O Port Status Flag
0: Normal (all I/O points normal)
1: Error (one or more I/O point error)
Description