18
7 Electrical connection
7
Electrical connection
7.1
Preparing the electrical connection
Requirements:
•
Switch off the plant's voltage and secure it so that it cannot switch on again.
•
Correctly prepare the connections for the voltage supply and signal processing. The device must be
equipped with an electrical circuit that meets the requirements of DIN EN 61010-1 with regard to
"Limited-energy circuits".
•
Voltage supply: DC 18 to 30 V SELV, PELV.
•
Use a cable that has a temperature resistance suitable for the process.
•
Do not lay the cable near high-voltage or high-frequency cables; if you cannot avoid doing so, main-
tain a minimum gap of 30 cm.
7.1.1
Pin assignment of the M12 connector
Connection
Device
Connecting cable
a
a
Connecting cable for plug connector M12
"Accessories", Page 25.
Pin assignment and color coding
b
b
The color coding is only valid for A-coded standard cables!
Figure
Voltage supply V+
(DC 18 to 30 V)
(1)
(1) BN (brown)
Analog output
(2)
(2) WH (white)
GND
(3)
(3) BU (blue)
Digital output
(4)
(4) BK (black)
Connection type
Plug connector M12
Plug connector M12 with screw
locking
M12
M12
(3)
(4)
(1)
(2)
(3)
(4)
(1)
(2)
Summary of Contents for 406050
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