SU2020 SU8020 SU2021 SU8021 SU2621 SU8621
Ultrasonic flow meter
12
6 Electrical connection
The unit must be connected by a qualified electrician.
Observe the national and international regulations for the installation of electrical equipment.
Voltage supply according to SELV, PELV.
u
Disconnect power.
u
Connect the unit as follows:
L
1 BN
2 WH
4 BK
3 BU
OUT1/IO-Link
OUT2
L+
4
3
2
1
Fig. 4: Wiring diagram (colours to DIN EN 60947-5-2)
BK:
black
BN:
brown
BU:
blue
WH:
white
Pin
Connection
1
L+
3
L-
4 (OUT1)
• Switching signal flow
• Switching signal temperature
• Switching signal diagnosis
• Switching signal totaliser
• Pulse signal totaliser
• Frequency signal flow
• Frequency signal temperature
• IO-Link
• OFF (output switched to high impedance)
2 (OUT2/InD)
• Switching signal flow
• Switching signal temperature
• Switching signal diagnosis
• Switching signal totaliser
• Pulse signal totaliser
• Analogue signal flow
• Analogue signal temperature
• Input for external totaliser reset
• OFF (output switched to high impedance)