R
RapID
™
Platfo
orm – Modbu
M
usTCP Netwo Inte
ork
erface
2-
-Port Co
onnectiv Solu
vity
ution
The
RapID Platform Network Interface
is a com
e
P
N
e
mplete, pr
re-tested solution that
manages the industr protoc and network t
rial
col
n
traffic for a host processor
r
r
The Networ
rk Interface m
module or embedded de
esign contai ns
ever
rything need
ded to participate in star
r, line, or tree network
topo
ologies includ
ding the com
mmunication
ns controller
r, protocol st
tacks,
Flash
h, RAM, Ethe
ernet switch
h and PHYs. A host proce
essor conne cts to
the N
Network Inte
erface via a
UART or 16‐
‐bit Parallel I
Interface. A
At the
softw
ware layer th
he host conn
nects to a “U
Unified Inter
rface" so oth
her
protocols can be
e used witho
out changing
g the host so
oftware. Th
he
work commu
unications is extremely r
robust and supports Inno
ovasic's
netw
Prior
rityChannel™
™ technology. This means your field
d device will operate
prob
blem‐free with any ModbusTCP cont
troller and w
will never dis
sconnect
from
m the networ
rk.
Eas Hardw
sy
ware and Software Integrati
S
ion
The Networ
rk Interface
can be integ
grated into a
a design as e
either a
mod
dule or an em
mbedded de
esign. As a m
module, the Network Int
terface
plugs into a boar
rd using stan
ndard 2.54 m
mm pitch thr
rough‐hole p
pins.
en designing
‐in the mod
ule, hardware integratio
on is as easy
y as
Whe
conn
necting Powe
er/Ground/R
Reset and in
nterfacing the Host to th e UART or 1
16‐bit Paralle
el interface.
As an embedded design
n, the Netwo
ork Interface
e hardware
design can b
be integrate
ed directly u
using the
sche
ematics prov
vided. Also p
provided are
e the Bill of M
Materials an
nd example l
layouts to m
minimize the hardware
desig
gn effort. So
oftware for t
the embedded design is
provided as
s firmware that is downloaded to th
he flash.
Whe
ether using the Network
Interface as
s a module o
or an embed
dded design,
ment is
no softwar
e developm
requ
uired and the
ere are no li
icense fees o
or royalties.
.
Software int
tegration with a Host is also easy. M
Messages pa
assed betwee
rk Interface
en the Host and Networ
follo
ow a “Unified
d Interface” definition. A
A simple to use, Innovas
sic supplied,
, PC‐based to
ool configur
res the
Network Interface, so
o the Host o
only passes p
parameters b
between it
and the N
Network Inte
erface. From
m this tool, it
t is also easy
y to specify
how para
ameters will be passed to
o the ModbusTCP regist
ter map and
the assoc
ciated host p
parameters.
Since the H
ost is only p
passing
paramete
ers, the Host
t software does not have
e to change if
ModbusT
TCP network
k parameters
s change or i
if another In
ndustrial
Ethernet protocol is u
used. There
e is also a “so
ockets” inter
rface that
rnet communication. Ex
xample C‐cod
de is
supports direct Ether
provided to minimize
e the software effort for
r the Host / N
Network
Interface communica
ation.
www.inno
ovasic.com
m
R
RapID
™
Platfo
orm – Modbu
M
usTCP Netwo Inte
ork
erface
2-
-Port Co
onnectiv Solu
vity
ution
Reliable, Fle
exible Network Int
tegration
The RapID P
Platform Net
twork Interfa
ace supports
s ModbusTC P
communication with Priority
yChannel™ –
– a revolutionary techno
ology
that eliminates t
the effects o
of network tr
raffic and ensures reliab le,
‐time netwo
rk performance. It give
s your devic
ce a significa
ant
real‐
competitive adv
vantage, extr
remely low j
jitter, and a r
reliable
conn
nection that
will not disc
connect eve
en with >95%
% network
loading.
P is a master/
/slave proto
ocol with Mo
odbus RTU
ModbusTCP
enca
apsulated in a TCP frame
e. The proto
ocol requires
slave device
es to
d be perform
respond to the m
master's com
mmands, and
d these respo
onses should
med in a tim
mely manner.
. With
Prior
rityChannel’s extremely low latency,
, ModbusTCP command s will not be
e lost in unre
elated netwo
ork traffic
and these comm
mands will be
e responded
to with min
nimum delay
y. In addition
n, the Netwo
ork Interface
e comes
with
an example
e Electronic D
Datasheet file that can b
be tailored t o describe the features of the field device to a
Mod
dbusTCP mas
ster. To assi
ist with commissioning,
a webserve
er is provided
d so the field
d device’s ne
etwork
infor
rmation can be displayed
d on a stand
dard browser
r.
Fas Evaluat
st
tion and Developm
ment
The RapID P
Platform Net
twork Interfa
ace Evaluatio
on Kit
prov
vides a quick
k assessment
t for interfac
cing a Host t
to the
mod
dule. An app
plication example is prov
vided in orde
er to
demonstrate end‐to‐end, Ho
ost‐to‐Network Interface‐to‐
mast
ter commun
nication. Sim
mply connect
t the Host
deve
elopment bo
oard to the N
Network Inte
erface evalua
ation
boar
rd via the UA
ART or 16‐bit
t Parallel int
terface. Onc
ce
Host
t‐side communication is established, ModbusTC
CP
communication can be evalu
uated using a PLC or master
simu
ulator. The c
communicat
tion path bet
tween Host and
Mod
dbusTCP mas
ster can be c
completely v
verified befo
ore
integ
grating the m
module into your field device hardw
ware.
Par
rameter
RapID Pla
atform
ModbusTCP Netw
work Interfac
ce
Details
Any CPU or DSP
U
UART (1
115.2 kBaud)
16-bit Pa
arallel (up to 1
12.5 Mbps)
Data Transport: IEEE 802.3
E
Netw
work
Inte
erface
Tem
mperature
Pow Supply
wer
Data Rat 10/100 Mb
te:
bps
Ports: 2
-40C to +
+85C
Voltage: 3.3 VDC
Power co
onsumption: 1.3W
ICMP, IG
GMP, ARP, SN
NTP, BSD
Sockets, DNS, DHCP, TELNET,
TFTP, HT
TTP server, C
CGI
Cyclic Inp Data: 504 bytes
put
4
Cyclic Ou
utput Data: 5 bytes
504
Mod
dbusTCP
Cycle tim 1 ms (min
me:
n.)
Function Codes: 01, 0 03, 04,
02,
05, 06, 07, 15, 16 and 17
d
Hos Processor
st
Hos Processor
st
Inte
erfaces
TCP
P/IP
RapID‐NIE
EK V0004
Com
mpliance
RoHS, CE
www.inno
ovasic.com
m
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