6.
Electrical connection
Switch off supply voltage.
f
Connect sensor in accordance with the pin assignment.
f
Standard version
Plug
Output
M12-A, 4-pin
4 ... 20 mA
(2-wire)
3
4
1
2
DIN EN
4 ... 20 mA
175301-803 A
(2-wire)
3
2
1
Dual Channel version
Output
Plug
M12-A, 4-pin
4 ... 20 mA
(2-wire)
4
3
1
2
IO-Link + 4 ... 20 mA
M12-A, 4-pin
PNP
4
3
1
2
IO-Link + 4 ... 20 mA
M12-A, 4-pin
NPN
3
4
1
2
IO-Link + 4 ... 20 mA
M12-A, 4-pin
Digital (push-pull)
3
4
1
2
www.baumer.com
Temperature measurement
PT20
Compact RTD temperature sensor
Equivalent circuit
+Vs
4
20 mA
Iout
+Vs
4
20 mA
Iout
Equivalent circuit
+Vs
4
20 mA
Iout
+Vs
4 ... 20 mA
lout
SW1
GND (0 V)
+Vs
4 ... 20 mA
lout
SW1
GND (0 V)
+Vs
4 ... 20 mA
lout
SW1
GND (0 V)
Operating Instructions
Function
Pin
+Vs
1
Iout
2, 3
n.c.
4
Frame ground
Plug thread
+Vs
1
Iout
2
n.c.
3
Frame ground
Grounding lug
Function
Pin
+Vs
1
Iout
2
n.c.
3, 4
Frame ground
Plug thread
+Vs
1
SW1 (IO-Link)
4
Iout
2
GND (0 V)
3
Frame ground
Plug thread
+Vs
1
SW1 (IO-Link)
4
Iout
2
GND (0 V)
3
Frame ground
Plug thread
+Vs
1
SW1 (IO-Link)
4
Iout
2
GND (0 V)
3
Frame ground
Plug thread
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