Installation and Connection
MRA4, MRU4, MRI4 Terminal Marking => X1
Electro-mechanical assignment
Page 26
EN MRU4 10/09
L+
L-
PE
COM1
DI1
COM2
DI2
DI3
DI4
DI5
DI6
DI7
DI8
COM3
do not use
0+HTL-NT
COM3
n.c.
do not use
1
3
2
4
5
6
7
8
9
1
0
11
12
13
14
15
1
6
1
7
1
8
Power Supply
1
2
3
4
5
6
7
8
PE
9
10
11
12
COM1
13
14
15
16
17
18
L+ Power Supply
DI1
COM2
DI2
COM3
DI3
DI4
DI5
DI6
DI7
DI8
COM
do not use
do not use
L-
X?.
n.c.