en
Electrical connection
108
WILO SE 2020-12
Wilo-EFC
SPS
24 VDC
PTC
PTC
LAN
RJ45
COM-Card
ModBus TCP
COM-Card
PTC
Switch/Router
ModBus TCP
OCP UA
Start/Stop
Extern Off
Safe Torque Off (STO)
MCA 122
MCB 112
Notebook/touch panel
with Internet browser
Wilo IO 1
• 6x digital inputs
• 6x digital outputs
Wilo IO 2
• 3x analogue inputs
• 6x digital Inputs
• 3x digital outputs
3x inputs, freely configurable:
• Overflow
• Dry running
• Leakage - Warning
• Leakage - Alarm
• Reset
• High Clog Limit
2x inputs, freely configurable:
• Fill level
• Pressure
• Flow rate
Signal type:
• 0-20 mA
• 4-20 mA
• 0-10 V
2x outputs, freely configurable:
• Operation
• Increasing level
• Dropping level
• Warning
• Error
• Cleaning sequence in progress
1x outputs, freely configurable:
• Frequency
• Fill level
• Pressure
• Flow rate
Signal type:
• 0-20 mA
• 4-20 mA
Digital inputs
Relay outputs
Analogue inputs
Analogue outputs
Ethernet
Modbus
Signal cable
Control cable
Power connection
Optional
Mandatory for
potentially explosive conditions!
1
2
3
4
4
5
5
6
7
Fig. 5:
Installation suggestion with ModBus
1
Frequency converter
2
"MCA 122" extension module for frequency converter (included in scope of
delivery)
3
"MCB 112" extension module for frequency converter
4
Inputs at frequency converter
5
Outputs at frequency converter
6
Operator-side, primary control
7
Level sensor
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