ET-2200 Series Ethernet I/O Modules
Copyright © 2016 ICP DAS CO., Ltd. All Rights Reserved.
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DIO Synchronization
(Mirror Local DI to DO)
: ET-2200 series modules also provide a DIO
synchronization function. The DIO synchronization is divided into three modes:
Level Sync
,
Rising Active
and
Falling Active
.
Level Sync (DO = DI)
Mode: The synchronization operation in DI and DO.
Rising Active (DO = ON)
Mode: When the specified DI state from OFF to ON, the
corresponding DO will be set to ON.
Falling Active (DO = ON)
Mode: When the specified DI state from ON to OFF, the
corresponding DO will be set to ON.
5.
Built-in Dual Watchdog
The Dual Watchdog consists of a CPU Watchdog (for hardware functions)
and a Host Watchdog (for software functions).
CPU Watchdog
automatically resets it-self when the built-in
firmware runs abnormally.
Host Watchdog
set the digital output with predefined safe-value
when there is no communication between the module and host
(PC or PLC) over a period of time (Watchdog timeout).
DI
DO
DI
DO
DI
DO
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