HEIDENHAIN TNC 426 PB - Data Interface; RS-232-C;V.24 Data Interface

3 – 60 HEIDENHAIN Technical Manual TNC 426, TNC 430
3.10 Data Interface
The TNC features three interfaces:
n RS-232-C/V.24
n RS-422/V.11
n Ethernet connection
The interfaces can be used simultaneously. The user selects the interfaces he
wishes to use. (See “Data Interfaces” on page 8 – 3).
3.10.1 RS-232-C/V.24 Data Interface
Please note:
n Maximum cable length 20 m.
n To connect a peripheral device you must install an adapter cable either in the
electrical cabinet or on the operating panel. See also “Dimensions” at the
end of this chapter.
n For connecting cables, see “Cable Overview” at the end of this chapter.
X21: RS-232-C/V.24
data interface
Pin layouts on logic unit, connecting cables, and adapter block:
Note
The interface complies with the requirements of EN 50 178 for “low
voltage electrical separation.”
Logic unit Connecting cable
Id. Nr. 239 760-xx
AB
Id. Nr. 310 085-01
Connecting cable
Id. Nr. 274 545-01
D-sub
cnnctr.
(female)
25-pin
Assign-
ment
D-sub
cnnctr.
(male)
25-pin
D-sub
cnnctr.
(female)
25-pin
D-sub
cnnctr.
(male)
25-pin
D-sub
cnnctr.
(female)
25-pin
D-sub
cnnctr.
(male)
25-pin
D-sub
cnnctr.
(female)
25-pin
1GND1WH/BN
Ext.
shield
1111WH/BN
External
shield
1
2RXD2Green3333Yellow2
3 TXD3Yellow2 22 2Green3
4 CTS4Gray5 55 5Pink4
5 RTS5Pink4 44 4Gray5
6 DTR 6 Blue 20 20 20 20 Brown 6
7 Signal
GND
7Red7 77 7Red7
20 DSR 20 Brown 6 6 6 6 Blue 20
8 to 19,
21 to 25
Do not
assign
8888 8
Housing Ext.
shield
Housing Ext.
shield
Housing Housing Housing Housing Ext.
shield
Housing