Wilo Yonos GIGA2.0-I Installation And Operating Instructions Manual page 177

Setpoint source
Internal setpoint
Analogue input (AI2)
CIF module
Fig. 72: Setpoint source menu
Installation and operating instructions Wilo-Yonos GIGA2.0-I/-D
Communication interfaces: Setting and function
The setpoint to which the pump controls is specified according to "Control settings"
section. The adjustment is made in menu "Control setting" [} 154], "Set setpoint
source" [} 157]. "Internal setpoint" must be activated.
Universal Display text
1.0 Settings
1.1 Control settings
1.1.9 Setpoint source
1.1.9 / 1 Internal setpoint
1.1.9 / 2 Analogue input (AI2)
1.1.9 / 3 CIF module
The "Cable break detection" function is active.
An analogue signal smaller than 1 V or 2 mA is recognised as a cable break.
Switching on or off takes a hysteresis into account.
A set emergency operation speed is then used as emergency operation. For this, the
emergency operation must be set to "Pump ON" in the menu "Control setting – Emer-
gency operation [} 158]". If the emergency operation is set to "Pump OFF", the pump
stops when a cable break is detected.
Signal type 0 ... 10 V / 0 ... 20 mA
Setting of an on-site differential pressure sensor:
If a differential pressure sensor is set up on-site at analogue input AI1 (for instance at a
pump variant R1), the pressure sensor range and the pressure sensor position must be
set at analogue input AI1 (see Fig. 67) - analogue input AI1. Possible pressure sensor
positions:
ƒ
Pump flange
ƒ
Standard-compliant position
NOTICE
Recommendation: Set the pressure sensor range to be set at least as high as the
maximum possible delivery head of the respective pump type.
The pressure sensor range must be configured in the "Pressure sensor range" menu.
(Fig. 67 Menu analogue input AI1 and Fig. 69 Pressure sensor range AI1)
Example:
If the pump type has a maximum delivery head of 20 m, the differential pressure sensor
to be connected must be capable of at least 2.0 bar (approx. 20 m). If a differential
pressure sensor with, for example, 4.0 bar is connected, the differential pressure range
must be set to 4.0 bar.
The appropriate signal type for the differential pressure sensor to be connected must
always be selected. In this case 0 ... 10 V or 0 ... 20 mA.
NOTICE
The differential pressure range that is set must always be set to the nominal maxi-
mum value of the connected differential pressure sensor. The nominal maximum
value corresponds to the sensor value 100 %. The value must be read from the rat-
ing plate of the differential pressure sensor. This is the only way to ensure that the
pump controls correctly.
The actual value of the differential pressure runs between the analogue signals
0 ... 10 V or 0 ... 20 mA. It is interpolated linearly. (See diagram Fig. 73).
The applied analogue signal of 0 V or 0 mA represents the actual value of the differen-
tial pressure at "0 %". The applied analogue signal of 10 V or 20 mA represents the ac-
tual value of the differential pressure at "100 %".
The setpoint to which the pump controls is specified according to "Control settings"
section. The adjustment is made in menu "Control setting" [} 154], "Set setpoint
source" [} 157]. "Internal setpoint" must be activated.
The "Cable break detection" function is not active.
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