Manuf

act
uri
ngexecut
ionsy
stems(
MES)

Manuf
act
uri
ngexecut
ionsy
stems(
MES)ar
ecomput
eri
zedsy
stemsusedi
nmanuf
act
uri
ng,
t
otr
ackt
hedocumentandt
ransf
ormat
ionofr
awmat
eri
alst
ofi
nishedgoods.MES
pr
ovi
desi
nfor
mat
iont
hathel
psmanuf
act
uri
ngdeci
sionmaker
sunder
standhowcur
rent
condi
ti
onsont
hepl
antf
loorcanbeopt
imi
zedt
oimpr
ovepr
oduct
ionout
put
.MESwor
ksi
n
r
eal
timet
oenabl
ethecont
rol
ofmul
ti
pleel
ement
soft
hepr
oduct
ionpr
ocess(
e.g.i
nput
s,
per
sonnel
,machi
nesandsuppor
tser
vices)
.

MESmayoper
ateacr
ossmul
ti
plef
unct
ionar
eas,
forexampl
e:managementofpr
oduct
def
ini
ti
onsacr
osst
hepr
oductl
i
fe-
cycl
e,r
esour
ceschedul
i
ng,
orderexecut
ionanddi
spat
ch,
pr
oduct
ionanal
ysi
sanddownt
imemanagementf
orov
eral
lequi
pmentef
fect
iveness(
OEE)
,
pr
oductqual
i
ty,
ormat
eri
alst
rackandt
race.MEScr
eat
est
he"
as-
bui
l
t"r
ecor
d,capt
uri
ngt
he
dat
a,pr
ocessesandout
comesoft
hemanuf
act
uri
ngpr
ocess.Thi
scanbeespeci
all
y
i
mpor
tanti
nregul
atedi
ndust
ri
es,
suchasf
oodandbev
erageorphar
maceut
ical
,wher
e
document
ati
onandpr
oofofpr
ocesses,
event
sandact
ionsmayber
equi
red.

Benef
it
s

"
Manuf
act
uri
ngExecut
ionSy
stemscr
eat
efl
awl
essmanuf
act
uri
ngpr
ocessesandpr
ovi
de
r
eal
-t
imef
eedbackofr
equi
rementchanges"
,andpr
ovi
dei
nfor
mat
ionatasi
ngl
e
sour
ce.Ot
herbenef
it
sfr
om successf
ulMESi
mpl
ement
ati
onmi
ghti
ncl
ude:
-

1.Reducedwast
e,r
e-wor
kandscr
ap,
incl
udi
ngqui
ckerset
upt
imes

2.Mor
eaccur
atecapt
ureofcost
-i
nfor
mat
ion(
e.g.l
abor
,scr
ap,
downt
ime,
andt
ool
i
ng)

3.I
ncr
easedupt
ime

4.I
ncor
por
atepaper
lesswor
kfl
owact
ivi
ti
es

5.Manuf
act
uri
ngoper
ati
onst
raceabi
l
ity

6.Decr
easesdownt
imeandeasyf
aul
tfi
ndi
ng

7.Reducedi
nvent
ory
,thr
ought
heer
adi
cat
ionofj
ust
-i
n-casei
nvent
ory

Awi
dev
ari
etyofsy
stemsacr
ossusi
ngcol
l
ect
eddat
aforadedi
cat
edpur
pose.Fur
ther
dev
elopmentoft
hesesy
stemsdur
ingt
he1990si
ntr
oducedov
erl
api
nfunct
ional
i
ty.Then
t
heManuf
act
uri
ngEnt
erpr
iseSol
uti
onsAssoci
ati
on(
MESA)i
ntr
oducedsomest
ruct
ure
1
 bydef
ini
ng11f
unct
ionst
hatsett
hescopeofMES.I
n2000,
theANSI
/I
SA-
95st
andar
d
mer
gedt
hismodel
wit
hthePur
dueRef
erenceModel
(PRM)
.

Af
unct
ional
hier
archywasdef
inedi
nwhi
chMESwer
esi
tuat
edatLev
el3bet
weenERPat
Lev
el4andpr
ocesscont
rol
atLev
els0,
1,2.Wi
tht
hepubl
i
cat
ionoft
het
hir
dpar
toft
he
st
andar
din2005,
act
ivi
ti
esi
nLev
el3wer
edi
vi
dedov
erf
ourmai
noper
ati
ons:
-pr
oduct
ion,
qual
i
ty,
logi
sti
csandmai
ntenance.

Bet
ween2005and2013,
addi
ti
onal
orr
evi
sedpar
tsoft
heANSI
/I
SA-
95st
andar
ddef
inedt
he
ar
chi
tect
ureofanMESi
ntomor
edet
ail
,cov
eri
nghowt
oint
ernal
l
ydi
str
ibut
efunct
ional
i
tyand
whati
nfor
mat
iont
oexchangei
nter
nal
l
yaswel
lasext
ernal
l
y.

Funct
ionalar
eas

Ov
ert
hey
ear
s,i
nter
nat
ional
standar
dsandmodel
shav
eref
inedt
hescopeofsuchsy
stems
i
nter
msofact
ivi
ti
es.Theset
ypi
cal
l
yincl
ude:
-

 Managementofpr
oductdef
ini
ti
ons:
-Thi
smayi
ncl
udest
orage,
ver
sioncont
rol
andexchangewi
thot
hersy
stemsofmast
erdat
ali
kepr
oductpr
oduct
ionr
ules,
bil
lof
mat
eri
al,
bil
lofr
esour
ces,
processsetpoi
ntsandr
eci
pedat
aal
lfocusedondef
ini
nghow
t
omakeapr
oduct
.Managementofpr
oductdef
ini
ti
onscanbepar
tofpr
oductl
i
fecy
cle
management
.

 Managementofr
esour
ces:
-Thi
smayi
ncl
uder
egi
str
ati
on,
exchangeandanal
ysi
sof
r
esour
cei
nfor
mat
ion,
aimi
ngt
opr
epar
eandexecut
epr
oduct
ionor
der
swi
thr
esour
cesof
t
her
ightcapabi
l
iti
esandav
ail
abi
l
ity
.

 Schedul
i
ng(
product
ionpr
ocesses):
-Theseact
ivi
ti
esdet
ermi
net
hepr
oduct
ion
schedul
easacol
l
ect
ionofwor
kor
der
stomeett
hepr
oduct
ionr
equi
rement
s,t
ypi
cal
l
y
r
ecei
vedf
rom ent
erpr
iser
esour
cepl
anni
ng(
ERP)orspeci
ali
zedadv
ancedpl
anni
ngand
schedul
i
ngsy
stems,
maki
ngopt
imal
useofl
ocal
resour
ces.

 Di
spat
chi
ngpr
oduct
ionor
der
s:-Dependi
ngont
het
ypeofpr
oduct
ionpr
ocesses
t
hismayi
ncl
udef
urt
herdi
str
ibut
ionofbat
ches,
runsandwor
kor
der
s,i
ssui
ngt
heset
o
wor
kcent
ersandadj
ust
mentt
ounant
ici
pat
edcondi
ti
ons.

 Execut
ionofpr
oduct
ionor
der
s:-Al
thoughact
ual
execut
ioni
sdonebypr
ocess
cont
rol
syst
ems,
anMESmayper
for
m checksonr
esour
cesandi
nfor
m ot
hersy
stems

2
 aboutt
hepr
ogr
essofpr
oduct
ionpr
ocesses.

 Col
l
ect
ionofpr
oduct
iondat
a:-Thi
sincl
udescol
l
ect
ion,
stor
ageandexchangeof
pr
ocessdat
a,equi
pmentst
atus,
mat
eri
all
oti
nfor
mat
ionandpr
oduct
ionl
ogsi
nei
thera
dat
ahi
stor
ianorr
elat
ional
dat
abase.

 Pr
oduct
ionper
for
manceanal
ysi
s:-Cr
eat
eusef
uli
nfor
mat
ionoutoft
her
aw
col
l
ect
eddat
aaboutt
hecur
rentst
atusofpr
oduct
ion,
li
keWor
kInPr
ogr
ess(
WIP)
ov
erv
iews,
andt
hepr
oduct
ionper
for
manceoft
hepastper
iodl
i
ket
heov
eral
lequi
pment
ef
fect
ivenessoranyot
herper
for
mancei
ndi
cat
or.

 Pr
oduct
iont
rackandt
race:
-Regi
str
ati
onandr
etr
iev
alofr
elat
edi
nfor
mat
ioni
n
or
dert
opr
esentacompl
etehi
stor
yofl
ots,
order
sorequi
pment(
par
ti
cul
arl
yimpor
tanti
n
heal
thr
elat
edpr
oduct
ions,
e.g.phar
maceut
ical
s).

Rel
ati
onshi
pwi
thot
hersy
stems

MESi
ntegr
ateswi
thI
SA-
95(
prev
iousPur
dueRef
erenceModel
,“95”
)wi
thmul
ti
ple
r
elat
ionshi
ps.

Rel
ati
onshi
pwi
thot
herLev
el3sy
stems

Thecol
l
ect
ionofsy
stemsact
ingont
heI
SA-
95Lev
el3canbecal
l
edmanuf
act
uri
ng
oper
ati
onsmanagementsy
stems(
MOMS)
.Apar
tfr
om anMES,
ther
ear
ety
pical
l
ylabor
ator
y
i
nfor
mat
ionmanagementsy
stem (
LIMS)
,war
ehousemanagementsy
stem (
WMS)
andcomput
eri
zedmai
ntenancemanagementsy
stem (
CMMS)
.Fr
om t
heMESpoi
ntofv
iew
possi
blei
nfor
mat
ionf
lowsar
e:

 ToLI
MS:
qual
i
tyt
estr
equest
s,sampl
elot
s,st
ati
sti
cal
processdat
a

 Fr
om LI
MS:
qual
i
tyt
estr
esul
ts,
productcer
ti
fi
cat
es,
test
ingpr
ogr
ess

 ToWMS:
mat
eri
alr
esour
cer
equest
s,mat
eri
aldef
ini
ti
ons,
productdel
i
ver
ies

 Fr
om WMS:
mat
eri
alav
ail
abi
l
ity
,st
agedmat
eri
all
ots,
productshi
pment
s

 ToCMMS:
equi
pmentr
unni
ngdat
a,equi
pmentassi
gnment
s,mai
ntenancer
equest
s

 Fr
om CMMS:
mai
ntenancepr
ogr
ess,
equi
pmentcapabi
l
iti
es,
mai
ntenanceschedul
e

3
 Rel
ati
onshi
pwi
thLev
el4sy
stems

Exampl
esofsy
stemsact
ingonI
SA-
95Lev
el4ar
epr
oductl
i
fecy
cle
management(
PLM)
,ent
erpr
iser
esour
cepl
anni
ng(
ERP)
,cust
omerr
elat
ionshi
p
management(
CRM)
,humanr
esour
cemanagement(
HRM)
,pr
ocessdev
elopmentexecut
ion
sy
stem (
PDES)
.Fr
om t
heMESpoi
ntofv
iewpossi
blei
nfor
mat
ionf
lowsar
e:

 ToPLM:
product
iont
estr
esul
ts

 Fr
om PLM:
productdef
ini
ti
ons,
bil
lofoper
ati
ons(
rout
ings)
,el
ect
roni
cwor
kinst
ruct
ions,
equi
pmentset
ti
ngs

 ToERP:
product
ionper
for
mancer
esul
ts,
producedandconsumedmat
eri
al

 Fr
om ERP:
product
ionpl
anni
ng,
orderr
equi
rement
s

 ToCRM:
productt
racki
ngandt
raci
ngi
nfor
mat
ion

 Fr
om CRM:
productcompl
aint
s

 ToHRM:
per
sonnel
per
for
mance

 Fr
om HRM:
per
sonnel
ski
l
ls,
per
sonnel
avai
l
abi
l
ity

 ToPDES:
product
iont
estandexecut
ionr
esul
ts

 Fr
om PDES:
manuf
act
uri
ngf
lowdef
ini
ti
ons,
desi
gnofexper
iment
s(DoE)def
ini
ti
ons

I
nmanycases,
middl
ewar
eent
erpr
iseappl
i
cat
ioni
ntegr
ati
on(
EAI
)sy
stemsar
ebei
ngused
t
oexchanget
ransact
ionmessagesbet
weenMESandLev
el4sy
stems.Acommondat
a
def
ini
ti
on,
B2MML,
hasbeendef
inedwi
thi
ntheI
SA-
95st
andar
dtol
i
nkMESsy
stemst
othese
Lev
el4sy
stems.

Rel
ati
onshi
pwi
thLev
el0,
1,2sy
stems

Sy
stemsact
ingonI
SA-
95Lev
el2ar
esuper
visor
ycont
rol
anddat
a
acqui
sit
ion(
SCADA)
,pr
ogr
ammabl
elogi
ccont
rol
l
ers(
PLC)
,di
str
ibut
edcont
rol
sy
stems(
DCS)andbat
chaut
omat
ionsy
stems(
BAS)
.Inf
ormat
ionf
lowsbet
weenMESand
t
hesepr
ocesscont
rol
syst
emsar
eroughl
ysi
mil
ar:

 ToPLCs:
wor
kinst
ruct
ions,
reci
pes,
setpoi
nts

4
 Fr
om PLCs:
processv
alues,
alar
ms,
adj
ust
edsetpoi
nts,
product
ionr
esul
ts

MostMESsy
stemsi
ncl
udeconnect
ivi
tyaspar
toft
hei
rpr
oductof
fer
ing.Di
rect
communi
cat
ionofpl
antf
loorequi
pmentdat
aisest
abl
i
shedbyconnect
ingt
othePLC.Of
ten,
pl
antf
loordat
aisf
ir
stcol
l
ect
edanddi
agnosedf
orr
eal
-t
imecont
rol
inaDCSorSCADA
sy
stem.I
nthi
scase,
theMESsy
stemsconnectt
otheseLev
el2sy
stemsf
orexchangi
ng
pl
antf
loordat
a.

Unt
ilr
ecent
ly,
thei
ndust
ryst
andar
dforpl
antf
loorconnect
ivi
tyhasbeenOLEf
orPr
ocess
Cont
rol
(OPC)
,buti
tisnowmov
ingt
oOPCUni
fi
edAr
chi
tect
ure(
OPC-
UA)
;meani
ngt
hatOPC
-
UAcompat
ibl
esy
stemswi
l
lnotnecessar
il
yrunonl
yonMi
crosof
tWi
ndowsenv
ironment
,but
wi
l
lal
sobeabl
etor
unonGNU/
Linuxorot
herembeddedsy
stems,
decr
easi
ngt
hecostof
SCADAsy
stems,
andr
ender
ingt
hem mor
eopenwi
thr
obustsecur
it
y.