Rockwell Automation 1734-485ASC POINT I/O ASCII User Manual - Manual (Page 49)

Publication 1734-UM009B-EN-P - July 2003
Configuring Your ASCII Module 2-23
Transmit String Data Assemblies
Transmit String Data Assemblies are the formats of the data you will
send from the ASCII module – array, short_string or string – to the
DeviceNet master. Which one you choose depends on your
application, and will modify the format of the data field.
Table 2.8 Transmit Data Format - Array Data Type
Byte 1 Byte 2 Byte 3 Byte 4 Byte 5-X Byte X+1
(Max = 132)
Next RX ID Byte
(Handshake Mode
Only)
Transaction ID Byte Reserved Reserved ASCII Data
(max 128 bytes)
End of String
Delimiter or Last
Data Byte
Table 2.9 Transmit Data Format - Short_String Data Type
Byte 1 Byte 2 Byte 3 Byte 4 Byte 5-X Byte X+1
(Max = 132)
Next RX ID Byte
(Handshake Mode
Only)
Transaction ID Byte Reserved Length ASCII Data
(max 128 bytes)
End of String
Delimiter or Last
Data Byte
Table 2.10 Transmit Data Format - String Type
Byte 1 Byte 2 Byte 3 Byte 4 Byte 5-X Byte X+1
(Max = 132)
Next RX ID Byte
(Handshake Mode
Only)
Transaction ID Byte Length (LSB) Length (MSB) ASCII Data
(max 128 bytes)
End of String
Delimiter or Last
Data Byte