Transmission Of The Character String "Hello World; Table 29: Initialization Of The I/O Module; Table 30: Data Exchange; Table 31: I/O Module Is Ready - WAGO 750-652 Manual

WAGO-I/O-SYSTEM 750
750-652 Serial Interface RS-232 / RS-485

Table 29: Initialization of the I/O Module

Status byte 0 Status byte 1
XXXX. X1XX'
Control requests data exchange:

Table 30: Data Exchange

Control byte 0
'0000.0000'
The IA bit is reset by the I/O module.

Table 31: I/O Module Is Ready

Status byte 0
'0XXX. X0XX' '0XXX. 1XXX'
8.3.3

Transmission of the Character String "Hello World!"

The eleven characters, the reset initialization bit, and the length 11 are
transmitted.

Table 32: Character string "Hello World"

Control byte 0
'0011.0000'
Output byte 2
"1" (0x6C)
Output byte 6
"W" (0x87)
Output byte 10
"!" 0 x 21
The transmit request bit TR is inverted.

Table 33: Transmit Request Bit TR

Control byte 0
'0011.0001'
Output byte 2
"1" (0x6C)
Output byte 6
"W" (0x87)
Output byte 10
"!" 0 x 21
The data was transmitted to the output buffer as soon as TA = TR. Then additional
characters can be transmitted.
Manual
Version 1.4.0
Input byte 0
'XXXX. 1XXX' XX
Control byte 1
'0000.0000'
Status byte 1 Input byte 0
Control byte 1
'0000.0001'
Output byte 3
"1" (0x6C)
Output byte 7
"e" (0x65)
Output byte 11
XX
Control byte 1
'0000.0001'
Output byte 3
"1" (0x6C)
Output byte 7
"e" (0x65)
Output byte 11
XX
Input byte 1
XX
Output byte 0
XX
Input byte 1
XX XX
Output byte 0
"H" (0x48)
Output byte 4
"o" (0x6F)
Output byte 8
"1" (0x6C)
Output byte 12
XX
Output byte 0
"H" (0x48)
Output byte 4
"o" (0x6F)
Output byte 8
"1" (0x6C)
Output byte 12
XX
Commissioning
The I/O module is initialized.
Output byte 1
XX
The I/O module is ready.
Output byte 1
"a" (0x60)
Output byte 5
0 x 20
Output byte 9
"t" (0x74)
Output byte 13
XX
Output byte 1
"a" (0x60)
Output byte 5
0 x 20
Output byte 9
"t" (0x74)
Output byte 13
XX
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