HEIDENHAIN TNC 370 D - Page 41

X48 Analog Input (PLC) at the LE
D-sub terminal
(female) 25-pin
Assignment
1 I
1
+ Constant current for Pt 100
2 I
1
– Constant current for Pt 100
3 U
1
+ Measuring input for Pt 100
4 U
1
– Measuring input for Pt 100
5 I
2
+ Constant current for Pt 100
6 I
2
– Constant current for Pt 100
7 U
2
+ Measuring input for Pt 100
8 U
2
– Measuring input for Pt 100
9 Do not use
10 Do not use
11 Do not use
12 Do not use
13 Do not use
14 Analog input 1 –10 V to +10 V
15 Analog input 1 0 V (reference potential)
16 Analog input 2 –10 V to +10 V
17 Analog input 2 0 V (reference potential)
18 Analog input 3 –10 V to +10 V
19 Analog input 3 0 V (reference potential)
20 to 25 Do not use
Housing External shield
The correct polarity of analog inputs is essential.
X15, X16, X17, X18 Analog inputs on the PL 410 B
Terminal Assignment
1 –10 V to +10 V
2 0 V (reference potential)
3 Shield
3–38 TNC 370 D Mounting and Electrical Installation July 02