WAGO-I/O-SYSTEM 750 XTR
Commissioning 61
750-652/040-000 Serial Interface RS-232/RS-485 XTR
Manual
Version 1.3.0
8.3.3
Transmission of the Character String "Hello World!"
The 11 characters, the reset initialization bit, and the length 11 are transmitted.
Table 36: Character String "Hello World"
Control byte 0
Control byte 1
Output byte 0
Output byte 1
'0011.0000'
'0000.0001'
"H" (0x48)
"a" (0x60)
Output byte 2
Output byte 3
Output byte 4
Output byte 5
"1" (0x6C)
"1" (0x6C)
"o" (0x6F)
0 x 20
Output byte 6
Output byte 7
Output byte 8
Output byte 9
"W" (0x87)
"e" (0x65)
"1" (0x6C)
"t" (0x74)
Output byte 10
Output byte 11
Output byte 12
Output byte 13
"!" 0 x 21
XX
XX
XX
The transmit request bit TR is inverted.
Table 37: Transmit Request Bit TR
Control byte 0
Control byte 1
Output byte 0
Output byte 1
'0011.0001'
'0000.0001'
"H" (0x48)
"a" (0x60)
Output byte 2
Output byte 3
Output byte 4
Output byte 5
"1" (0x6C)
"1" (0x6C)
"o" (0x6F)
0 x 20
Output byte 6
Output byte 7
Output byte 8
Output byte 9
"W" (0x87)
"e" (0x65)
"1" (0x6C)
"t" (0x74)
Output byte 10
Output byte 11
Output byte 12
Output byte 13
"!" 0 x 21
XX
XX
XX
The data was transmitted to the output buffer as soon as TA = TR. Then additional
characters can be transmitted.
Table 38: Data Transfer
Status byte 0 Status byte 1
Input byte 0
Input byte 1
'0XXX.XXX0'
'0XXX. 1XXX'
XX
XX
The data transfer is still
running.
'0XXX.XXX1'
'0XXX. 1XXX'
XX
XX
When the data transfer
has taken place, the data
is transmitted via the serial
interface.
8.3.4
Receiving the Character String "WAGO"
As soon as RA ≠ RR, characters are available in the input byte.
Table 39: Output Process Image
Control byte 0
Control byte 1
Output byte 0
Output byte 1
'0XXX XX0X
'0XXX.XXXX'
XX
XX