Operating MATRIX control panel OP71 MATRIX Control Panel OP71
72 PR-2009-0021-GB • Subject to modifications • R5-04/2016
Fans ➜ fan speed offset
The submenu "speed offset" indicates the speed relationship between master and
slave fan using an offset in percent. This submenu is available only if the slave control
using peed offset was selected in the submenu "control mode".
The slave fan speed is calculated as follows:
Speed of slave fan [%] = speed of master fan [%] + speed x offset [%]
If the offset = 0 then both fans run at the same speed
60%
70%
80%
90%
100%
0%
10%
20%
30%
40%
50%
0% 25% 50% 75% 100%
Speed of slave fan
with factor 2
Speed of slave fan
with factor 1.5
Speed
master fan
Speed of slave fan
with factor 0.5
Speed of slave fan
with factor 0.25
Value range: -50% to 50%
Adjustable steps: 1%
Factory setting: 0%
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