Grundfos DID Montage- Und Betriebsanleitung Seite 22

PWM
P2 Output settings...
Type:
►
[0%]
[100%]
Period [s]:
[0%]
Parameter value for 0 % output (0 pulses/min).
[100%]
Parameter value for 100 % output (maximum
pulses/min).
Period [s]:
Duration of one pulse for 100 % output. The highest
duration is 100 s.
Changing the digital output to "PWM"
1. Select "Type: " with the [Up] and [Down] buttons. Confirm
with [OK].
2. Select "PWM" with the [Up] and [Down] buttons. Confirm with
[OK].
– Three additional rows are shown.
Assigning the parameter value for 0 % output
1. Select "[0%]" with the [Up] and [Down] buttons. Confirm with
[OK].
2. Change the parameter value for 0 % output with the [Up],
[Down], [Left] and [Right] buttons. Confirm with [OK].
Assigning the parameter value for 100 % output
1. Select "[100%]" with the [Up] and [Down] buttons. Confirm
with [OK].
2. Change the parameter value for 100 % output with the [Up],
[Down], [Left] and [Right] buttons. Confirm with [OK].
Changing the duration of one pulse for 100 % output
1. Select "Period [s]:
" with the [Up] and [Down] buttons.
Confirm with [OK].
2. Change the value for the duration of one pulse with the [Up],
[Down], [Left] and [Right] buttons. Confirm with [OK].
9.5.7 pH compensation...
If the pH of the water is above 8.5, it is recommended to use the
automatic pH compensation for the chlorine sensor. The pH
compensation is only available for the chlorine sensor and
requires a pH sensor.
P1 pH compensation...
Type:
►
P1 pH compensation...
Type:
►
Source:
Type:
Compensation type
Source:
The source for pH compensation (parameter pH from
pH sensor)
Auto
Automatic pH compensation
22
Enabling the pH compensation
1. Select "Type: " with the [Up] and [Down] buttons. Confirm
with [OK].
PWM
2. Change the type to "Auto" with the [Up] and [Down] buttons.
Confirm with [OK].
0.00
– The pH compensation is enabled.
14.00
Defining the source for pH compensation
100
1. Select "Source: " with the [Up] and [Down] buttons. Confirm
with [OK].
2. Change the source to the desired parameter (pH) with the
[Up] and [Down] buttons. Confirm with [OK].
– pH is defined as the source parameter.
9.5.8 Parameter info...
The "Parameter info..." screen shows a summary of all important
settings and information of one parameter.
P2 Parameter info...
Sen.:
►
Name:
Unit:
Disp. Format:
P. lower:
P2 Parameter info...
Disp. Format:
►
P. lower:
P. upper:
Al. lower:
Al. upper:
Sen.:
Name:
Unit:
Disp. Format:
P. lower:
P. upper:
Al. lower:
Al. upper:
9.5.9 Removing a parameter
1. Select "Remove parameter" with the [Up] and [Down] buttons.
Disabled
2. Confirm with [OK].
– The parameter for the sensor is removed.
– If an input of a controller is linked to the parameter, the
controller is deactivated.
Auto
pH
Name of the sensor
Name of the parameter
Unit of parameter
Number of decimal places that are displayed
Lower end of the parameter measuring range
Upper end of the parameter measuring range
Lower limit for triggering an alarm
Upper limit for triggering an alarm
pH::lyser/0/
pH
2
0.00
2
0.00
14.00
6.5
7.5