RELAY CARD 2000-RELX
2000-REL2 and 2000-REL3 are alarm relay
cards. They have2 or 3 relays
correspondingly. The card can be installed in
slots B and C or both. If the device is to be
equipped with one relay card, it should be
installed in slot C.
Connections
Two relay card 2000-REL2
The picture shows the relay
contacts in the normal or passive
state.
If the other relay is connected to a
safety voltage circuit, the other
one must not be used for
switching dangerous voltages.
Three relay card 2000-REL3
The picture shows the relay
contacts in the normal or passive
state.
If one relay is connected to a
safety voltage circuit, the other
ones must not be used for
switching dangerous voltages.
Configuration menu
There are two or three identical submenus,
corresponding to two or three relays.
Type
• Off: Alarm disabled.
• Lo: Alarm will activate when the reading
goes below Level and deactivate when
goes above Level+Hyst.
• Hi: Alarm will activate when the reading
goes above Level and deactivate when
goes below Level-Hyst.
From
What channel is this alarm watching. 1=slot
A input, 7=math channel.
Level
Alarm level. See Type.
Hyst
The difference between alarm activation and
deactivation thresholds. Always positive. See
Type.
Delay
Only in firmware V1.0-1.2. Defines the time
how long the alarm condition must be true
before the alarm will actually activate. This is
set in samples – one sample corresponds to
1/15 second. This is used to prevent short
disturbances from triggering the alarm.
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