Lufft 8511.EAK, Руководство по эксплуатации

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Manual LCom
Page 105 of 158
For each alarm channel following settings are available:
•
DigitalIO Host: the IP Address or DNS Host name for the digital I/O board
•
IP Port: the IP Port for Modbus/IP communication (usually 502)
•
I/O Port: the digital output port number on the digital I/O board. Usually the
numbering starts with 0, i.e. the first output port is number 0 not number 1
•
Invert Output: if this option is selected, the status of the output port is inverted
to the alarm status, i.e. if the status is
“no alarm” the output is “on”, if the status
is an alarm status the output is “off”.
•
Alarm Mode: following calculation modes are available:
o
min (underrun): alarm condition is true if the measure value is below
the configured “Alarm Min” value
o
max (overrun): alarm condition is true if the measure value is above
the configured “Alarm Max” value
o
value mapping: alarm condition is calculated using the result of a
value mapping. If the result is 0, no alarm condition is assumed. Any
value other than 0 is treated as an alarm condition.
•
Alarm Min: in m
ode “min” this value determines the threshold from where on
the alarm condition is set to “true”. In mode “max” this value determines the