
64
MITSUBISHI ELECTRIC
MELSEC AnS/QnAS
SPECIAL FUNCTION MODULES
The PROFIBUS/DP Network
P R O F
PROCESS FIELD BUS
I
U S
B
AnSH/QnAS
AnU/QnA
FX0N/FX2N
FR-E520/540
FR-A540(L)EC
MasterPLC
Slaveunits
max. 1200 m at 93.75 kbit/s without repeater
16 outputs
MT series
several MAC E series
DataCommunications
TheopenPROFIBUS/DPnetworkenables
extremelyfastdataexchangewithavery
widevarietyofslavedevices,including:
V
Remote digital I/Os
V
Remote analog I/Os
V
Remote intelligence PLC
(FX0N, FX2N)
V
Frequency inverters (FR-A 240,
FR-A 540 (L), FR-E 500)
V
Operator terminals (MAC E series)
V
A range of other devices from
third-party manufacturers
Structure
Themaximumcoverageofabussegment
is1200m(atamaximumof93.75kbit/s).
Upto3repeatersareallowed.Thusthe
maximumdistancebetween2stationsis
calculatedwith4800m.
Cabletypes
TohelpreducecostsPROFIBUS/DPuses
RS485technologywithsimpletwisted-
paircabling.
SuitablecablesincludetheUNITRONIC
BUSLDfromLappkabelandtheDUE4451
fromAlcatel.
Dataexchange
ThePROFIBUSAJ71PB92DandA1SJ71PB92D
mastermodulessupportslavedevicedata
exchangewithupto244sendbytesand
244receivebytes.Thismeansyoucanex-
changeatotalofupto128byteswitha
slaveunitpernetworkcycle.
Administration
IncombinationwiththeMELSECProfiMap
configurationsoftwaretheAJ71PB92D
PROFIBUS/DPmasterunitgivesyou
user-friendlyplug-and-playtechnology.
Theconfigurationsoftwareisself-explana-
tory,usingagraphicalmodelforsettingup
thenetwork.Yousimplyselecttheslave
unit(e.g.FX2N),assignthestationnum-
bersandspecifywheretheinformationis
storedinthemasterCPU.
Ofcourse,PROFIBUS/DPslavesfrom
MITSUBISHIELECTRICcanalsobe
connectedtomasterdevicesfromother
manufacturers.
Specifications
MasterAJ71PB92
MasterA1SJ71PB92D
Communicationsprotocol
EN50170/DIN19245-T3
Shieldedtwisted-pairwith24AWG=0.22mm
2
,impedance:100–130
;
Shieldedtwisted-pairwith22AWG=0.34mm
2
,impedance:135–165
;
RS485
Cabling
Interface
Data
transfer
rate
distance
1200m
kbit/s 9.6/19.2/93.75
1000m
kbit/s 187.5
400m
kbit/s 500
200m
kbit/s 1500
12000/6000/3000(100m)
1500(200m)
Maxtotaldistance
m 4800(3repeaters)
Slaveunitspermaster
60
Stationspersegment
32
Repeaterspernetwork
3
Accessories
ProfiConT:PROFIBUS9-pinD-SUBplugconnectorforupto12Mbaud,
art.no.87035(refertopage82)
MC series
BASICS
A
A
Communications Modules