6
Electrical installation
Connection of MFZ26, MFZ27, MFZ28 field distributors with MFE52
Manual – PROFINET IO Interfaces, Field Distributors
51
6.5
Connection of MFZ26, MFZ27, MFZ28 field distributors with MFE52
6.5.1
MFZ26, MFZ27, MFZ28 connection modules with PROFINET IO interface MFE52 and 2
separate DC 24 V voltage circuits
(only for a configuration with 4 inputs/2 outputs)
+
MFZ26
MFZ27
MFZ28
MFE52
2 x DC 24 V
1
19
2
20
3
21
4
22
5
23
6
24
7
25
8
26
9
27
10
28
11
29
12
30
13
31
14
32
15
33
16
34
17
35
18
36
2
4
V
2
4
V
G
N
D
G
N
D
V2
I2
4
V2
I2
4
G
N
D
2
G
N
D
2
1
2
3
4
5
6
7
8
PE
L
1
L
1
L
2
L
2
L
3
L
3
PE
L3
L2
L1
PE
L3
L2
L1
PE
4 mm (AWG10)
24V1
GND1
24V1
GND1
24V2
GND2
24V2
2
X1
0
1
2
1
2
2.5 mm (AWG12)
2
X20
[1]
GND1
re
s.
re
s.
re
s.
re
s.
re
s.
re
s.
re
s.
re
s.
re
s.
re
s.
9007202581330955
0
= Potential level 0
1
= Potential level 1
2
= Potential level 2
[1]
Assignment of terminals 19 – 36, see chapter "Connection of the inputs/outputs of the MFE52
Terminal assignment
No.
Name
Direction
Function
X20 1 –
10
Res.
–
Reserved
11
24 V
Input
24 V voltage supply for module electronics and sensors DI0 – DI3
12
24 V
Output
24 V voltage supply for module electronics and DI0 – DI3 sensors
jumpered with terminal X20/11
13
GND
–
0V24 reference potential for module electronics and sensors DI0 – DI3
14
GND
–
0V24 reference potential for module electronics and sensors DI0 – DI3
15
V2I24
Input
24 V voltage supply for actuators and sensors DI4 – DI5
16
V2I24
Output
24 V voltage supply for actuators and DI4 – DI5 sensors
jumpered with terminal X20/15
17
GND2
–
0V24V reference potential for actuators and sensors DI4 – DI5
18
GND2
–
0V24V reference potential for actuators and sensors DI4 – DI5
22870857/EN – 12/2016
