6
Electrical installation
Connection of MFZ26, MFZ27, MFZ28 field distributors with MFE52
Manual – PROFINET IO Interfaces, Field Distributors
52
6.5.2
MFZ26, MFZ27, MFZ28 connection modules with PROFINET IO interface MFE52 and 1
shared DC 24 V voltage circuit
(for a configuration with 6 inputs or with 4 inputs/2 outputs)
1
1
2
3
4
5
6
7
8
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
4 mm (AWG10)
24V
GND
24V
GND
0
1
2
1
2
PE
L
1
L
1
L
2
L
2
L
3
L
3
PE
L3
L2
L1
PE
L3
L2
L1
PE
2
2.5 mm (AWG12)
2
X1
X20
+
MFZ26
MFZ27
MFZ28
MFE52
1 x DC 24
[1]
re
s.
re
s.
re
s.
re
s.
re
s.
re
s.
re
s.
re
s.
re
s.
re
s.
9007202581354763
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
12
24 V
Output
24 V voltage supply (jumpered with terminal X20/11)
13
GND
–
0V24 reference potential for module electronics and sensors
14
GND
–
0V24 reference potential for module electronics and sensors
15
V2I24
Input
24 V voltage supply for actuators (binary outputs)
16
V2I24
Output
24 V voltage supply for actuators (digital outputs)
jumpered with terminal X20/15
17
GND2
–
0V24V reference potential for actuators (digital outputs)
18
GND2
–
0V24V reference potential for actuators (digital outputs)
22870857/EN – 12/2016
