ICP DAS, ZT-257x DIO Data Concentrator Quick Start Guide, v1.0
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Copyright © 2016, by ICP DAS Co., LTD. All Rights Reserved
②
Specify the ZT-IOG modules that are to be monitored. For more details, refer to the
description for the “
Check Alive Device List
” parameter in the table below.
③
Specify
the number of times the connection should be checked during the detection
process. For more details, r
efer to the description for the “
Check Alive Retry
” parameter
in the table below.
④
Specify
the Disconnection Alarm Channel. (Note that this is only applicable to
ZT-20xx-IOG modules). For more details, refer to the descr
iption for the “
Disconnection
Alarm Channel
” parameter in the table below.
Disconnection Alarm Timeout
Description:
This parameter is used to set the timeout value for the connection, in seconds. A module will
be regarded as being disconnected if the timeout value expires, and then the Disconnection
Alarm Channel will be triggered and the status will be
set to “High”
.
Note:
Disconnection Alarm Timeout
=
Check Alive Interval (1 sec.) x Check Alive Retry x Check Alive Device List
For more details, refer to the description for the parameters in the table below.
Parameters
(1)
Disconnection Alarm Channel
ZT-2570
ZT-20xx-IOG
Description:
If the connection to a module is interrupted, a High signal will be sent from the specified
Digital Output channel to the alarm device connected to the module, if installed, notifying
the staff to investigate the cause.
(2)
Check Alive Retry
ZT-2570
ZT-20xx-IOG
Description:
If there is no response from the module within the duration specified by the Disconnection
Alarm Timeout parameter, and the number of retry times is greater than the value specified
for the Check Alive Retry, parameter, the module will be regarded as being disconnected.