Connecting The Device - Endress+Hauser Liquiphant FTL31 IO-Link Operating Instructions Manual

Liquiphant FTL31 IO-Link
6.3

Connecting the device

WARNING
L
Risk of injury from the uncontrolled activation of processes!
‣
Switch off the supply voltage before connecting the device.
‣
Make sure that downstream processes are not started unintentionally.
WARNING
L
An incorrect connection compromises electrical safety!
‣
In accordance with IEC/EN61010 a suitable circuit breaker must be provided for the device.
‣
Voltage source: Non-hazardous contact voltage or Class 2 circuit (North America).
‣
The device must be operated with a 500 mA fine-wire fuse (slow-blow).
‣
Protective circuits against reverse polarity are integrated.
Pin 1 Supply voltage +
Pin 2 1st switch output
Pin 3 Supply voltage -
Pin 4 IO-Link communication or 2nd switch output (SIO mode)
6.3.1 SIO mode (without IO-Link communication)
K1, K2: External load
Minimum safety
Terminal assignment
2 1
3 4
K1
L–
Endress+Hauser
0.5A
1
2
Q2
3 4
K1
0.5A
L+
L+
C/Q1
L–
MIN output
Electrical connection
IO-Link
SIO
LED yellow (ye) 1
+ 4
+ 4
A0037916
ye1
A0037919
19