1906 HEIDENHAIN Technical Manual iTNC 530 HSCI
Communication
protocol
The communication protocol for operating modes EXT1/EXT2/EXT3/EXT4 is
defined with MP5030:
MP5030 Communications protocol
Input: 0 = standard data transfer protocol
1 = blockwise transfer
2 = without protocol (only for MP5030.2)
MP5030.0 Operating mode EXT1
MP5030.1 Operating mode EXT2
MP5030.2 Operating mode EXT3 (PLC)
MP5030.3 Operating mode EXT4 (PLC)
Example The printer NEC P7 PLUS is to be configured with operating mode EXT1.
The parameters listed are preset by the printer (see the operating manual of
the printer concerned):
Serial interface
8 data bits
Even character parity
XON/XOFF protocol (software handshake)
9600 bps
The following settings are made at the iTNC:
Select MP5000 = 0.
Select MP5020.0 = %10101001.
Select MP5030.0 = 0.
Call the MOD functions.
Choose the EXT1 operating mode.
Set the baud rate for EXT1 to 9600 bps.
Machine parameters Effect
MP5000 = 0 No interface inhibited
MP5020.0 = %10101001 Bit 0: 8 data bits
Bit 1: any BCC character
Bit 2: transmission stop by RTS not active
Bit 3: transmission stop by DC3 active
Bit 4: character parity even
Bit 5: character parity desired
Bit 6/7: 1 stop bit
MP5030.0 = 0 Standard data transfer
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