KROHNE MFC 300 Profibus - Manual (Page 17)

PROFIBUS PA
3
17
MFC 300
www.krohne.com 07/2014 - 4001086802 - AD MFC 300 PROFIBUS R02 en
3.4 Technical data
Hardware
Type PROFIBUS RS485 interface according to IEC 61158-2 with
31.25 kbits/s; voltage mode
Connection Independent of polarity at electrical connection
Base current 10.5 mA
FDE Yes, separate fault disconnection electronics provided (FDE = Fault
Disconnection Electronics)
Fault current 6 mA (fault current = max. continuous current – base current)
Starting current <12 mA
Ex approval Ex ia IIC or Ex ib IIC/IIB, FISCO Device
For detailed information refer to standard product documentation.
Software
GSD GSD file on CD-ROM or from internet site
Device profile PA Profile compact class B, V 3.0
Address range 0…126 (default 126)
0…125 via PROFIBUS service set_slave_add
0…126 via local display
126 via factory_reset = 2712
Local control Local display and operator interface at device
SAPs 2 x MS1 SAPs – acyclic interface to PLC
3 x MS2 SAPs – the number of MS2 Service Access Points is typically
equal to the maximum number of master class 2 tools
Function blocks 1 x TB = Transducer Block: contains the parameters and functions
defined in PA Profile 3.0
1 x PB = Physical Block: contains the parameters defined in PA
Profile 3.0
8 x AI = Analog Input Blocks: contains the parameters defined in PA
Profile 3.0
3 x TOT = Totalizer Function Blocks: contains the parameters defined
in PA Profile 3.0