Rs-422/v.11 interface – HEIDENHAIN iTNC 530 (340 422) ISO programming User Manual
Page 521
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HEIDENHAIN iTNC 530
521
13
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RS-422/V.11 interface
Only non-HEIDENHAIN devices are connected to the RS-422
interface.
The interface complies with the requirements of
EN 50 178 for “low voltage electrical separation.”
The pin layouts on the TNC logic unit (X28) and on the
adapter block are identical.
TNC
Connecting cable
355 484-xx
Adapter block
363 987-01
Female
Assignment
Male Color
Female
Male
Female
1
RTS
1
Red
1
1
1
2
DTR
2
Yellow
2
2
2
3
RXD
3
White
3
3
3
4
TXD
4
Brown
4
4
4
5
Signal GND
5
Black
5
5
5
6
CTS
6
Violet
6
6
6
7
DSR
7
Gray
7
7
7
8
RXD
8
WH/GN
8
8
8
9
TXD
9
Green
9
9
9
Hsg.
Ext. shield
Hsg.
Ext.
shield
Hsg.
Hsg.
Hsg.
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