Perle IOLAN MDC, Руководство пользователя

Страница: 295 / 491

291
Channels
Field Descriptions
Configure the following parameters:
Description Provide a description of the channel, making it easier to identify.
Data Options: Maximum 20 characters, including spaces
Input Mode When selected, the channel will be reading the status of the line (input). The
internal jumpers must match the software configuration; the internal jumpers
are factory configured for
Input Mode
.
Default: Input Mode
Latch Latches (remembers) the activity transition (active to inactive or inactive to
active).
Data Options: None, Inactive-to-Active, Active-to-Inactive
Default: None
Invert Signal When enabled, inverts the actual condition of the I/O signal in the status;
therefore, an inactive status will be displayed as active.
Default: Disabled
Trigger When the trigger condition is met, triggers the specified alarm action.
Data Options:
z
Disabled —No alarm settings. This is the default.
z
Inactive —When the expected Digital input is active, going inactive will
trigger an alarm.
z
Active —When the expected Digital input is inactive, going active will
trigger an alarm.
Default: Disabled