14 rs-232-c/v.24 data interface – HEIDENHAIN TNC 370D User Manual
Page 34
3.7.14 RS-232-C/V.24 Data Interface
· Maximum cable length 20 meters
· To connect a peripheral device you must install an adapter cable either in the switching cabinet
or on the operating panel. See also the “Dimensions” section in the Appendix.
· For information on interface cables, see “Cable Overview.”
Logic unit
Connecting cable
Id. Nr. 239 760 ..
Adapter block
Id. Nr. 239 758 01
Connecting cable
Id. Nr. 274 545 01
D-sub
termina
l
(female)
25-pin
Assignment D-sub
connector
(male)
25-pin
D-sub
connector
(female)
25-pin
D-sub
terminal
(male)
25-pin
D-sub
terminal
(female)
25-pin
D-sub
connector
(male)
25-pin
D-sub
connector
(female)
25-pin
1 GND
1
WH/BN
External
shield
1 1
1
1 WH/BN
External
shield
1
2 RxD
2
Green
3
3 3
3
Yellow
2
3 TxD
3
Yellow
2
2 2
2
Green
3
4 CTS
4
Gray
5
5 5
5
Pink
4
5 RTS
5
Pink
4
4 4
4
Gray
5
6 DTR
6
Blue
20
20 20 20
Brown
6
7 Signal
GND
7
Red
7
7 7
7
Red
7
20 DSR
20
Brown
6
6
6
6
Blue
20
8 to 19,
21 to 25
Do not use
8
8
8
8
8
Housing External
shield
Housing External
shield
Housing Housing
Housing
Housing External
shield
Housing
The interface complies with the recommendations in IEC 742 EN 50 178 for separation
from line power.
July 02
Mounting and Electrical Installation
TNC 370 D
3–31