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Operating Menus Independent of Measured Variables
10.3
Setting the Limits
limits
setting ?
Fig. 65: Limits
The lower display row in the diagram A0028 is only visible if the relays have been defined
as limit relays or as actuators in the menu
on page 116 .
Setting options in the "Set Limit Values" menu
Factory set‐
ting
Type of
limit trans‐
gression
Limit 1
Lower
Limit 2
Upper
Limit value
20 %
Limit 1
Limit value
80 %
Limit 2
Hysteresis
2 %
limit
122
limit 2
upper
150.0 ppm
limit 1
lower
10.0 ppm
relay 1
LV1
- active closed
∆ t on
0 s
∆t off
0 s
Ä Chapter 10.2 'Setting the Relays'
Possible values
Increment
Lower /
Upper / Off
1 %
1 %
1 %
limits fault
hyst.:
4.0 ppm
∆t on:
off
control:
on
relay 2
LV2
- active closed
∆t on
0 s
∆t off
0 s
Lower value
Upper value
Lower
Upper
Upper limit
of measured
value
A0028_GB
Remarks
Limit
transgres‐
sion by
exceeding
or drop‐
ping below
limits
Effective in
the direc‐
tion of
cancelling
limit trans‐
gression
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