HEIDENHAIN iTNC 530 Service Manual page 162

X48:
Analog input (PLC)
on the MC 42x(B)
D-sub connection
(female) 25-pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 to 25
Housing
13 – 162
Caution
Remember to connect the analog inputs with the correct polarity!
Assignment
I1+ Constant current for Pt 100
I1– Constant current for Pt 100
U1+ Measuring input for Pt 100
U1– Measuring input for Pt 100
I2+ Constant current for Pt 100
I2– Constant current for Pt 100
U2+ Measuring input for Pt 100
U2– Measuring input for Pt 100
I3+ Constant current for Pt 100
I3– Constant current for Pt 100
U3+ Measuring input for Pt 100
U3– Measuring input for Pt 100
Do not assign
Analog input 1: –10 V to +10 V
Analog input 1: 0 V (reference potential)
Analog input 2 2: –10 V to +10 V
Analog input 2: 0 V (reference potential)
Analog input 3: –10 V to +10 V
Analog input 3: 0 V (reference potential)
Do not assign
External shield
Note
The interface complies with the requirements of EN 50 178 for "low voltage electrical
separation."
HEIDENHAIN Service Manual iTNC 530