Commands For Profibus - wtw TresCon UNO A111 Operating Manual

Appendix
PROFIBUS connection
PROFIBUS record (PBP)
8 - 20

8.4.3 Commands for PROFIBUS

PC
Profibus DP
PKV 30-DPS
PBP overhead
1 byte 1 byte
Handshake Slave address
RS485
 Handshake
(binary)
 Slave address
(binary)
 Length information
(binary)
 ASCII message
Note
Further information on wiring, configuration and the record can be
found in the "PKV 30-DPS instrument manual" and the manual "Con-
nection of WTW measured value recording systems to the PROFIBUS-
DP" that are enclosed in the PKV 30-DPS converter.
WTW monitor
with RS 485 option
RS 485
PBP message
64 bytes (fixed length)
1 byte
Length information
n ASCII
this byte must be toggled (1<->0),
in order to trigger a data transfer on the
RS485 side
RS485 address of the measuring transmitter
(1...31)
Length of the ASCII message in bytes (1...61)
The return values in the response are separa-
ted by spaces.
The length of the response is variable.
TresCon UNO
TresCon
PBP overhead
n bytes
ASCII
message
ba43134e08 05/2017