Data Interface; Rs-232-C/V.24 Data Interface - HEIDENHAIN TNC 426 PB/M Technical Manual

3.10 Data Interface

3.10.1 RS-232-C/V.24 Data Interface

X21: RS-232-C/V.24
data interface
Logic unit Connecting cable
Id. Nr. 239 760-xx
D-sub Assign- D-sub
cnnctr. ment cnnctr.
(female) (male)
25-pin 25-pin
1 GND 1
2 RXD 2
3 TXD 3
4 CTS 4
5 RTS 5
6 DTR 6
7 Signal 7
GND
20 DSR 20
8 to 19, Do not
21 to 25 assign
Housing Ext. Housing Ext.
shield
3 – 60
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).
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.
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."
D-sub
cnnctr.
(female)
25-pin
WH/BN 1
Ext.
shield
Green 3
Yellow 2
Gray 5
Pink 4
Blue 20
Red 7
Brown 6
8
Housing
shield
AB Connecting cable
Id. Nr. 310 085-01 Id. Nr. 274 545-01
D-sub D-sub D-sub
cnnctr. cnnctr. cnnctr.
(male) (female) (male)
25-pin 25-pin 25-pin
1 1 1
3 3 3
2 2 2
5 5 5
4 4 4
20 20 20
7 7 7
6 6 6
8 8 8
Housing Housing Housing Ext.
HEIDENHAIN Technical Manual TNC 426, TNC 430
D-sub
cnnctr.
(female)
25-pin
WH/BN 1
External
shield
Yellow 2
Green 3
Pink 4
Gray 5
Brown 6
Red 7
Blue 20
8
Housing
shield