Electrical connection
en
Installation and operating instructions Wilo DD-I
123
Individual fault signal of the pump: Alarm.
ƒ
Warning
Individual fault signal of the pump: Warning.
ƒ
Cleaning
Message when the cleaning sequence of the pump is started.
Functions "Rising Level" and "Falling Level" are connected to the I/O module and as-
signed in the Digital Data Interface!
4.6.8
Connecting analogue outputs
Note the following when connecting the analogue output:
ƒ
Use shielded cables.
ƒ
You can freely configure the corresponding functions for the output. Assign corre-
sponding functions in the Digital Data Interface!
NOTICE
Observe the manufacturer’s instructions!
For more information, read and comply with the frequency converter instructions.
Wilo-EFC frequency converter
ƒ
Terminal: 39/42
ƒ
Measurement range: 0...20 mA or 4...20 mA
NOTICE! Also adjust the measurement range in the Digital Data Interface!
It is possible to assign the following functions to the Digital Data Interface:
ƒ
Frequency
Current actual frequency output.
ƒ
Level
Current fill level output.
NOTICE! For output, connect a corresponding signal
transmitter to an input!
ƒ
Pressure
Current operating pressure output.
NOTICE! For output, connect a corresponding
signal transmitter to an input!
ƒ
Flow
Display of the current flow quantity.
NOTICE! For output, connect a corresponding
signal transmitter to an input!
4.6.9
Connection input/output exten-
sions (LSI mode)
NOTICE
Take note of additional literature!
To ensure proper use, additionally read and observe the manufacturer instructions.
Wilo IO 2
General
Type
ET-7002
Mains connection
10 ... 30 VDC
Operating temperature
-25 ... +75 °C
Dimensions (WxLxH)
72x123x35 mm
Digital inputs
Number
6
Voltage level "On"
10 ... 50 VDC
Voltage level "Off"
max. 4 VDC
Relay outputs
Number
3
Contact type
Normally open contact (NO)
Summary of Contents for DD-I
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