Kundendienst/
Service
Service Manual TNC 426.B/430.A
Data interfaces
Ausgabe
Issue
01.10.97
Blatt
Page
141
18.4 Wiring diagrams of the data interfaces
18.4.1 V.24/RS-232-C data interface with RS-232-C adapter block (full wiring)
*
If the pin layout of your peripheral unit differs from the above layout, the HEIDENHAIN connecting
cable may not be used.
18.4.2 V.24/RS-232-C data interface with RS-232C adapter block (simplified wiring)
Example:
*
With this wiring, only transfer stop with DC3 (software handshake) is possible!
The RS-232-C-/V.24 data interface has
different
pin layouts at the logic unit X21 and at the RS-232C adapter
block.