Functions; Dst1-Series Safety I/O Terminals - Omron DeviceNet DST1 Series Operation Manual

1-3 Functions

1-3 Functions
1-3-1

DST1-series Safety I/O Terminals

Item
Self-diagnosis Self-diagnosis is performed when power is turned ON and periodically during
functions operation. When an error occurs, it is treated as a fatal error, the MS indicator will
light in red, and all safety outputs and output data to the network will turn OFF.
Access Control by After configuration data has been downloaded and verified, configuration data within
Password the DST1-series Safety I/O Terminals can be protected by a password.
Automatic baud rate The DST1-series Safety I/O Terminals is automatically set to the baud rate of the
detection network.
Contents of remote I/O data for
I/O communications control
Output
monitors
Status data
General
status data
No. of connections Safety I/O
Standard I/O 2 (Poll, Bit-Strobe, COS, and Cyclic)
IMPORTANT
1-6
Safety Inputs
Safety Outputs
Standard
Outputs
Safety Output
Monitors
Individual Safety
Input Status
Combined Safety
Input Status
Individual Safety
Output Status
Combined Safety
Output Status
Individual Test
Output Status
Muting Lamp
Status
Indicates the general status of the DST1-series Safety
I/O Terminals by using the following 8 flags.
Bit 0: Safety Input Power Status Flag
Bit 1: Safety Output Power Status Flag
Bit 2: Network Power Voltage Drop Flag
Bit 3: Unit Maintenance Flag
Bit 4: (Reserved)
Bit 5: Combined I/O Port Status Flag
Bit 6: Operation Time Exceeded Flag
Bit 7: Connected Component Maintenance Flag
4 (Single-cast and Multi-cast) (See note.)
Communications with up to 15 Safety Controllers for each connection can
be performed using multi-cast connection. If four connections are used,
however, only a maximum of 30 Safety Controllers total can communicate
with the DST1-series Safety I/O Terminals.
Description
The ON/OFF status of each safety
input terminal
The ON/OFF status of each safety
output terminal
The ON/OFF status of each test
output terminal (T0 to T3)
The actual ON/OFF status of each
safety output
Normal flag for each safety input
Common normal flag that is ON
when the all safety inputs are normal
Normal flag for each safety output
Common normal flag that is ON
when the all safety outputs are
normal
Normal flag for each test output
Normal flag for test output for
terminal T3 when set as muting
output
DST1
DeviceNet Master
Safety Master
Safety Master
DST1
DeviceNet Master
or Safety
Master DST1
DST1
DeviceNet Master
Safety Master
DST1
DeviceNet Master