HEIDENHAIN TNC 155 F - Transfer Blockwise

6.4.2.3 “Transfer blockwise” from a peripheral unit to the TNC 151/TNC 155
In operating modes
.TRANSFER BLOCKWISE in SINGLE BLOCK/AUTOMATIC PROGRAM RUN
and
.READ-IN SELECTED PROGRAM
data transmission from the peripheral unit to the TNC 151/TNC 155 is performed as follows:
Operation/Dialogue display
Data from
l-NC (out-
put TXD)
Remarks
Data from
peripheral
unit (output
RXD)
-
Select Operating mode
Sinale block/Automatic
Press I+$
Dialogue disolav: PROGRAM NUMBER
Key-in program number and enter
into memory with ENT
•l
.-__ --
Dialogue-display
TRANSFER BLOCKWISE
-
-
- -
-
- -
SOH
-
Control transmits SOH
(Beginning o-f heading block)
% = Beginning of program number
The program number may have
1 - 8 digits)
E = Control waits for data input
ETB = End of Transmission Block
BCC is generated between SOH and
ETB
-
%
Progr.- ---
-
No.
E
ETB
----
BCC
-
DC1 = Start-data transmission
The peripheral unit transmits
ACK = Data transmission in order
NAK = Data transmission erroneous
Repeat heading
The peripheral unit transmits STX
(Start of text)
_____
DS:
ACK or
NAK
STX
The first program block is transmitted
ETB = End of Transmission Block
BCC is generated between STX and
Cl-R
Block Text
-~-
ETB
FE----
-
-
-
ACK or --
NAK
*) In operatiing modes
.Program directory
.Read-in all Iprograms
and
.Read-in program offered
no program number is output by
the TNC 151/TNC 155
The control transmits
ACK = Data transmission in order,
next block
NAK = Data transmission
erroneous. Repeat block!
The second program block is
transmitted
-___
STX
Block Text
ETB----
Bee-
--
-
End of Text (program input)
End of Transmission
etc. ACK or
NAK
etc.
ETX
EOT
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