298
Channels
Digital I/O Extension
Overview
The Digital I/O extension feature connects a digital input signal to digital output(s)/relay(s) and/or a
TCP/IP application over an IP network. Therefore, when the state of the digital input changes, you
can also change the state of the digital output or relay channel or output serial signal pin on a local
I/O channel(s), other IOLAN I/O channels, other IOLAN serial signal pins, or the data can be sent to
an application(s).
For example, when the door opens (I/O digital input sensor) in a factory, a light goes on in the
reception office (remote IOLAN relay channel), and the door open/close is logged by an application
on a remote host.
Active Signal
Width
How long the channel will be active during the pulse mode.
Range:
1-9999 x 100 ms
Default:
1 (100 ms)
Delay
When a deactivate command is issued, a delay is implemented before the
command is executed.
Range:
1-9999 x 100 ms
Default:
1 (100 ms)
Failsafe Action
When there has been no I/O activity within the specified time (set in the
I/O
Interfaces
,
Settings
on the
Failsafe Timer
tab) and the
Failsafe Timer
is
triggered.
Data Options:
z
None
—The state of the Digital/Relay output remains the same, no change.
z
Activate Output
—Activates the channel.
z
Deactivate Output
—Deactivates the channel.
Default:
None
pe
rl
e
IOLAN
pe
rle
Remote Host
Network
Reception
Fr
ont
Door
Warehouse
IOLAN
Содержание IOLAN MDC
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Страница 386: ...382 Configuring a Virtual Private Network...