KROHNE UFC 030 PROFIBUS PA - Manual (Page 9)

Supplementary documentation UFC030 with PROFIBUS-PA
KROHNE Messtechnik GmbH & Co. KG · Ludwig-Krohne-Str. 5 D-47058 Duisburg 9/17
Tel.: 0203-301 309 Fax: 0203-301389 · e-mail: [email protected]
5.4 PROFIBUS-PA connection
Connect the bus cable as shown in the figure.
•
Connect the cable cores to the terminals
described as PA+ and PA-.
•
Polarity reversal will not have any effect.
•
The cable shield should be connected with
minimum length to the PE functional ground.
•
The equipotential bonding conductor must be
connected to the device by connecting it to PE
functional ground
N
L
D -
D +
I-
I+
Device Model:
EX-modis Version 1 / 2
N
L
l / C / P
Device Model:
Aqua-sonic 2
PE PE
}
}
}
PROFIBUS-PA Interface
Puls- / Current-Outp. / Digital Inp.
(optional, no communication)
UFC5000 Power Supply
}
}
}
PROFIBUS-PA Interface
Current / Puls Output
(optional, no communication)
UFC5000 Power Supply
A2
A1
GND
}
}
}
Analog Input 1
Analog Input 2
Circuit Ground
D -
D +
6 Menu Settings for PROFIBUS-PA
For a detailed description please check the Installation and Operating Instructions manual of the device. The
following settings should be done before the UFC030 (UFC 3 Beam) will be connected with the PROFIBUS-
PA network. Note that the address can be also set by using the communication service “Set slave address”
via the master tool.
Function (Fct.)
Description
3.9.1 PROTOCOL
•
PROFIB PA
3.9.3 PR/FF ADDR •
Set address
Range: 000 - 126 for PROFIBUS-PA (default 126)
The PROFIBUS address can be changed via the PROFIBUS service “Set_Slave_Address”. The input range is
0...125 according to the PROFIBUS specification. Address 126 is the default address and cannot be set via the
PROFIBUS -PA service “set_slave_add”.
7 Important Notes
7.1 Parameter “meter_type” of UFC030
If “meter_type” will be changed by a service technician the below mentioned procedure must be carried out
step by step to avoid UFC030 malfunctions depending on an inconsistent data set of the PROFIBUS -PA
module.