Endress+Hauser PROline prosonic flow 93 Operating Instructions Manual page 106

6 Commissioning
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106
Note!
Only activate the data blocks which are to be processed in the automation system. This
will improve the data throughput rate of a PROFIBUS-DP/-PA network.
A double-arrow symbol (direction alternating) will appear on the display to show that
Prosonic Flow 93 is communicating with the automation system.
Caution!
x It is essential to adhere to the following sequence when configuring the measured
variables: AI 1...AI 8, totalizer 1–3, display value and control.
x The device must be reset once the process variables have been configured in the
automation system. This can be effected in either of two ways:
– Local display: HOME o Block J (SUPERVISION) o Group JAA (SYSTEM)
o Function group 804 (OPERATION) o Function 8046 (SYSTEM RESET)
– Commuwin II: Manufacturer-specific Transducer Block (PROSONIC 93 PBUS)
o Partial matrix "Version info" o Function "SYSTEM RESET" (V0H2)
– Switch supply voltage off and then on again.
System units
The measured values are transmitted in the scaling (system units) as described in the
table on Page 102, to the automation system via cyclic data exchange.
If the system unit of a measured value is changed using local operation, this will not
have an immediate effect on the output of the AI Block (Analog Input Block) and
therefore will not influence the measured value which is transmitted to the automation
system.
The altered scaling (system unit) of the measured value will only be transmitted to the
automation system once the function "SET UNIT TO BUS" in Block G (BASIC
FUNCTIONS) o Group GBA/GCA (PROFIBUS-DP/-PA) o Function group 614
(OPERATION) o Function 6141 (SET UNIT TO BUS) has been activated.
This can also be activated using a Class 2 master (e.g. Commuwin II):
Manufacturer-specific Transducer Block (PROSONIC 93 PBUS) o Partial matrix
"Device matrix CH1/CH2" o Function "SET UNIT TO BUS" (V6H2)
Examples of configuration
The configuration of a PROFIBUS-DP system is normally effected in the following
manner:
1. The field devices (Prosonic Flow 93) which are to be configured are integrated into
the configuration program of the automation system via the PROFIBUS-DP network.
The GSD file is used here. Measured variables required can be configured "off-line"
using the configuration software.
2. The automation system's user program will have to be programmed now. On the
one hand, the input and output data are controlled in the user program and on the
other hand the location of the measured variables is defined so that they can be
processed further.
An additional measured value configuration module may have to be used in the
case of automation systems which do not support the IEEE-754 floating point
format.
It may also be necessary to change the byte sequence (byte swapping) depending
on the type of data management employed in the automation system (little-endian
format or big-endian format).
3. When configuration has been completed, this will be transferred to the automation
system in the form of a binary file.
4. The system can be started now. The automation system will establish a connection
to the configured devices. The device parameters which are relevant for the
process can now be set using a Class 2 master, e.g. with Commuwin II
(see Page 93).
PROline Prosonic Flow 93 PROFIBUS-DP/-PA
Endress+Hauser