Connecting The Electrical System - Emerson Aventics Sentronic PLUS 614 Assembly Instructions Manual

6.4.3 Connecting the electrical system

Depending on the configuration, one of the following plugs is used for connec-
tion:
• M12x5 round plug, 5-pin. See
• M16 plug, 7-pin. See g 6.4.3.3 Connection with 7-pin M16
Notes
• Overvoltage and ripple outside the tolerances can damage or destroy the
electronics (material protection).
• Supply via a diode bridge is not permitted.
• Recommended ballast fuse: T 2.0 A (material protection).
• When connection a relay (inductive load) to the pressure switch output: Use a
recovery diode or a varistor.
• Use shielded cables to protect against interference and electrostatic effects.
• Cable cross-section of supply voltage: min. 0.25 mm².
In case of long supply lines, select a larger cable cross-section if required.
• Select the wire cross-section so that a voltage drop of < 2 V occurs at 2 A.
• Do not lay control lines parallel to high-voltage power lines or control lines of
servo motors etc.
• Not intended for connection to a DC distribution network.
• If the cross-section of the connection cable is too small or the connection ca-
ble is too long, the tolerances of the output pressure and the analog signals
may increase. Avoid increased tolerances of the output pressure and the ana-
log signals:
– If the cable is longer than 2 m, ideally use a current signal (0 ... 20 mA or
4 ... 20 mA) for the set point and the analog inputs and outputs.
– Always use the set point ground as reference for all analog signals (set
point, analog inputs, analog outputs).
– Make sure that the analog ground outside the valve is not connected to
the supply ground.
Grounding
1. Connect the cable shield of the connection cable on the power supply side
with the ground.
only with
0 / 4 ... 20 mA
Inductive load
Fig. 3: Electrical connection with 5-pin M12 plug
AVENTICS™ Sentronic PLUS 614 | IM14229-R06 | English
g 6.4.3.2 Connection with 5-pin M12
plug.
Control
+24 V DC (supply voltage)
0 V DC (supply voltage)
GND
Analog input (set point)
0 ... 10 V
(or 0 / 4 ... 20 mA)
Set point mass
(only with 6 wire cable)
Analog output (actual value)
max.
0 ... 10 V
500 Ω
(or 0 / 4 ... 20 mA)
Set point mass
Digital output
(pressure switch)
max. 200 mA / 4.8 W
GND
Shield
GND
FE
2. Use the FE ground connection (Ø M4) to establish a low-impedance connec-
tion between the valve housing and the ground (FE). See g Fig. 2.
3. Insert the eyelet of the grounding cable between two tooth lock washers and
fasten it with a screw (M4).
plug.
Fig. 2: Grounding the valve housing
Connection with 5-pin M12 plug
Notes
• Round plug M12x5 must comply with the requirements set out in
DIN 60079-15 for electrical connection. The product has been tested with
plug item no. 88100729.
• The maximum current of the pressure switch is 200 mA / 4.8 W (PNP output).
The output is protected against short-circuits and overloads.
• For products with 5-pin M12 plug, use a 6-pin cable with separate analog
ground as an alternative (available as an accessory).
Procedure
Connect the product according to the pin assignment.
u
M12 plug, 5-pin.
M12 electrical
connector of the cable
1
3
2
4
5
Shield
Housing M12 electrical
connector
Grou
nd
(FE)
2
Ø M4
1
4
5
M12 flange plug of the
3
2
valve
250 Ω with
set point 0 / 4 ... 20 mA
Housing M12 flange plug
M4 connection valve housing
19