
SDM230 Series
Sin gle Pha se Two Wi re Mult ifunc tion Di n Rail Me ter
1.5 2T by time relay for SDM230-2T
The uni t has a tim e re lay ins ide whi ch can mo ni tor i f th ere
is e xt er nal 2 30 V si gn al in pu t. I f t he re i s 230V si gn al input,
th e me te r s wi tc he s Tariff 2 me as ur em en t, ot he rw is e it will
me as ur e as Tari ff 1 .
*For SD M230- Pu lse :
Total kWh → Impor t kW h→E xp ort k Wh → Re setta ble kWh →
to ta l kVA rh →I mp ort kVArh→ Ex po rt kVA rh→re setta ble kVAr h
→ Max. Po wer Dem an d→ Vo lt ag e →C ur re nt →W → Va r →
VA→ P ow er Fa ct or →Fr equen cy →Pulse Con stant
Displ ay No:1 ,4 ~7, 10 ~21 .
13
Max . power d emand
Exa mple: 6 938W
Us erM an ua l V1 .6
Warni ng s
Im po r ta nt Sa fe t y I nf or ma t io n i s c on t ai ne d i n t h e
Ma in ten an ce s ec ti on . Fa mi li ar ize y ours elf w it h th is
in for ma ti on b ef or e a tt em pti ng in sta ll at ion o r o th er
pr oc edu re s.
Ris k of D ang er: T hes e ins tr uct ion s co nta in
!
important safety information. Read them before
starting installation or servicing of the equipment.
Cauti on: Risk of Electric Shock
1.Introduction
This docum ent provid es op er ati ng , mai nte na nce a nd
in st al la ti on instru ct io ns o f SD M2 30 s er ies made by
Eas t ron El e ct ro ni c C o. , L td . T he S DM 23 0 s er ie s
measu re an d d ispla y t he ch aract erist ics o f s ingle phas e
two wire (1p2 w) net wor k. The SDM230 ser ies cover s 5
mod el s : SDM 23 0 -Mo db u s ,S DM 2 3 0-P ul s e,S DM 2 3 0Mbus, S DM230 -2 T and S DM230 -Std.
.
T he bi- di re c t i ona l m ea s u r e men t m ak es t h e m e ter
s uit ab le f o r a c t ive an d r ea ct iv e e n e r g y a n d p ow er
mo nit or i ng ap pl ica ti ons , a nd als o p erf e ct f or s ol ar P V
me asur e me nts. Wit h R S485 Mod b us a nd M -b us p ort,
th e m ete r i s e as y to r emo te com m un icat i on w it h ot her
AM R/ SC AD A sy st em s.
Model Measu rement s Pulse Out puts
SDM23 0Mod bus
SDM23 0Mbu s
SDM23 0Pul se
SDM23 02T
SDM23 0Std
U, I, P, Q, S , PF, Hz,
Dmd , kWh, kVA rh,
Imp ort, Ex port
U, I, P, Q, S , PF, Hz,
Dmd , kWh, kVA rh,
Imp ort, Ex port
U, I, P, Q, S , PF, Hz,
Dmd , kWh, kVA rh,
Imp ort, Ex port
U, I, P, Q, S , PF, Hz,
Dmd , kWh, kVA rh,
Imp ort, Ex port
kWh , kVArh,
Imp ort, Ex port
Commu nicatio n
RS4 85
Mod bus
M-b us
EN1 3757- 3
NO
RS4 85
Mod bus
RS4 85
Mod bus
1:
con figura ble
2:
100 0imp/ kwh
1:
con figura ble
2:
100 0imp/ kwh
1:
con figura ble
2:
100 0imp/ kwh
1:
con figura ble
2:
100 0imp/ kwh
1:
con figura ble
2:
100 0imp/ kwh
Multi
Tariffs
NO
NO
NO
2 Tarif fs
(ti me rela y)
NO
2.Operation
2.1 LCD Display
2 3 4 5 6
1
8
9
10
NO.
Descr ip tions
11
7 digit s us ed to displ ay m easur ed v alues
Total val ue
2
Tariff in formati on
3
Impor t in formati on , Expor t in forma ti on
4
Max. De ma nd for Powe r or C urren t.
5
6
Pulse o ut pu t 1and Pu ls e outpu t2
Measu re ment unit s
7
8
PF = powe r fa ctor Hz = fre qu ency
9
Bar dis pl ay of Power
Commu ni ca tion in di catio r
10
Lock sy mb ol
13
2.2 Initialization Display
All dis pla y seg me nts l igh t up ,
displ ay ch eck.
Softw are v ers io n (pl eas e ch eck
the r ea l sof twa re v ers ion o n th e
produ ct as t he fin al ).
Mod bus ID or Mb us Pri mary Add res s
Mbus Se con dar y Add res s (Hi gh )
(fo r SD M23 0-M bu s onl y)
*For SD M230- 2T:
Tota l k Wh → T1 tota l kWh→ T2 t ot al kWh→ Im por t kW h→
Expor t kWh →rese tt abl e kW h→Tot al k VArh →T 1 tot al k VArh
→T2 total kVArh→Impo rt kVArh→ Export kVArh → resetta ble kVArh
→Max. P ower De ma nd→ Vo lt age → Cu rrent →W→ Var →VA
→ Power Factor → Frequency → Pulse Constant → Modbus ID →
Baud Rate → Continuous Running Time
Displ ay No: 1~ 24 .
14
15
Volt age
Exa mple: 2 29.8V
Cur rent
Exa mple: 3 0.156 A
*For SD M230- Mb us:
Tot al kW h→ I mp or t kW h→ Ex por t k Wh → Res ettab le kWh→
Total kVAr h→ Imp or t kVAr h→ Exp or t kVAr h→ R esett able kVA rh
→ Max. P ower De ma nd→ Vol tag e → Cu rrent →W→ Var →VA
→ Power F actor → Fr eq uen cy → Pu lse C on stant →
7
11
13
12
Mbus Pr imary Ad dr ess →M bus S ec ond ar y Addres s→
Baud Ra te→Co nt inu ou s Run ni ng Time
Displ ay No:1 ,4 ~7, 10 ~24 .
*For SD M230- St d:
Tot al kW h→ I mp or t kW h→ Ex por t k Wh → Res ettab le kWh→
Total kVAr h→ Imp or t kVAr h→ Exp or t kVAr h→ R esett able kVA rh
→ Puls e Const an t→ Mo db us ID → Ba ud Ra te →
Conti nuous R un nin g Tim e
Displ ay No:1 ,4 ~7, 10 ~12 , 21 ~24 .
16
17
18
1
2
3
4
5
Total a ctive e nergy
Exa mple: 70.00 kWh
T1 ac tive en ergy
Exa mple: 1 0.00k Wh
(fo r SDM23 0-2T on ly)
T2 ac tive en ergy
Exa mple: 1 0.00k Wh
(fo r SDM23 0-2T on ly)
Imp ort(i np ut) a cti ve e ner gy
Exa mple: 5 0.00k Wh
Exp ort(o utput ) ac tiv e ene rg y
Exa mple: 2 0.00k Wh
19
20
21
22
22-1
6
Res ettab le tota l energ y
Act ive pow er
Exa mple: 4 700W
Rea ctive p ower
Exa mple: 1 030Var
App arent p ower
Exa mple: 4 811VA
Pow er fact or
Exa mple: 1 .000
Fre quenc y
Exa mple: 4 9.99H z
Pul se 2 cons tant
Exa mple: 1 000
Mod bus add ress
Exa mple: 0 01
Mbu s prima ry addr ess
Exa mple: 001
Hig h and Low b it of MBU S
Sec ondar y addre ss
(De fault 0 0 00 00 01)
Exa mple: i f the Sec ondar y
add ress hi gh bit is 0 000,
low b it is 000 1,tha t means
the i ntegr al Seco ndary
add ress is 0 0 00 00 01
(fo r SDM23 0-Mbu s only)
1.1 Key Characteristics
·Bi-di recti on al me as ure a nd d ispla y
Mbus Se con dar y Add res s (Lo w)
(fo r SD M23 0-M bu s onl y)
·Multi -func ti on me as ure me nts
·Two Puls e outpu ts
·RS485 M odbus / M -b us
·100A dir ect con ne cti on
·Two modu le size ( 35 mm)
·Passw ord pro te cte d se t-u p
Baud ra te.
·Backl ighte d LC D
·2 tarif f dua l po wer s ou rce
1.2 Pulse output
The me ter pr ovi des tw o puls e outp uts . Both pu lse ou tpu ts
Total kWh .
are pas sive ty pe .
Pul se out put 1 can be set to genera te pul ses to repre sen t
total / i mport /e xpo rt k Wh or k VArh.
Th e pu ls e c on st an t ca n b e se t t o ge ne ra te 1 pu ls e per:
0.001 /0.01 /0 .1/ 1k Wh/ kVArh (default is 0.001 export kWh) .
Pulse w idth: 2 00 /10 0/ 60m s
Pulse output 2 is non-configurable. It is fix ed up wit h acti ve
kWh (Im p). The c ons ta nt is 100 0imp/ kWh.
2.3 Scroll display by Buttons
After i nitia li zat io n and s el f-c he cking p rogra m, the me te r
di sp la y the m ea su re d va lues. The d ef au lt page i s total
1.3 RS485 Serial – Modbus RTU
RS 48 5 se rial po rt w it h M od bu s RT U protocol to p ro vide
a me an s of r e m ot el y mo ni t ori ng and c o ntr ol l in g t h e
kW h. If the us er wa nts to ch ec k ot he r i nfo rm ati on , h e
needs t o press t he s cro ll b utt on o n the f ro nt pane l.
The dis play or de r by sc ro ll bu tt on :
Uni t. Set -u p sc re e ns a re pr ov i ded f o r se tt ing u p t he
RS485 p ort.
1.4 Mbus for SDM230-Mbus
Th is u ni t h as a n M -B US s er ia l port w ith M-B US prot ocol
to pro vid e a means of remotely monitori ng and contr oll ing
the uni t set-u p sc ree ns a re p rov id ed f or se tti ng up th e
M-bus p ort.
*For SD M230- Mo dbu s:
Total kWh → Impor t kW h→E xp ort k Wh → Re setta ble kWh →
Tota l k VAr h→ Imp or t kVAr h→ Expo rt k VArh →Rese ttabl e kVAr h
→ Max. Po wer Dem an d→ Vo lt ag e →C ur re nt →W → Va r →
VA→ P ow er Fa ct or →Fr equen cy →Pulse Con stant → Modbus ID
→ Baud Rate →Cont inuou s Ru nni ng Ti me
Displ ay No:1 ,4 ~7, 10 ~24 .
11
12
7
8
9
Total r eacti ve ener gy
Exa mple: 1 0.00k VAr h
T1 re activ e energ y
Exa mple: 2 .00kVA rh
(fo r SDM23 0-2T on ly)
T2 re activ e energ y
Exa mple: 2 .00kVA rh
(fo r SDM23 0-2T on ly)
23
24
24
2.4 Set-up Mode
Bau d rate
Exa mple: 9 600
Continuou s running time
Continuou s running time
(since last time reset)
(since last time reset)
To get into Se t-u p Mode , the user needs to pre ss the “E nte r”
butto n for 3 sec on ds.
10
Imp ort(i nput) re act ive e ne rgy
Exa mple: 5 .00kVA rh
Exp ort(o utput )reac tive en er gy
Exa mple: 5 .00kVA rh
Res ettab le tota l energ y
The set tin g is done c orr ec tly
The ent eri ng info rma ti on is
wrong . The o per ation f ail s.

Passw ord
To get into S et- up mode ,
1
2
2-1
2-2
Press t he “E nter” b utt on, the r ed pa rt fl ash .
Press t he “S croll ” but ton to ch ang e th e opt ion .
2-3
After c hoo sing th e new v al ue, t he us er n eed s to
press t he “E nter” b utt on to con firm t he s ett ing .
3
3-1
4
4-1
5
5-1
6
it asks a p ass word
confir mat ion.
Defau lt pa sswor d: 10 00
Addre ss
For Mod bus :
Defau lt ID i s 001
Range : 001 ~247
For Mbu s:
Prima ry ad dress I D
Defau lt ID i s 001
Range :00 1~250
Press t he “E nter” b utt on, the
first digit flash.Press the “Scroll”
button to change the value. After
cho osin g the new a ddre ss val ue,
the user needs to press the “Enter”
butto n to co nfirm th e set ting.
High bi t of Mb us Seco nda ry
addre ss( Defau lt 00 0 0)
(for SD M23 0-Mbu s onl y)
Low bit o f Mbu s Secon dar y
addre ss( Defau lt 00 0 1)
Ex am ple : i f t he Se co nda ry
addre ss hi gh bit is 0 000 ,l ow
bi t is 0 00 1,t hat m ea ns t he
integ ral S econd ary a dd res s
is 00 00 00 0 1
(for SD M23 0-Mbu s onl y)
Baud ra te for Mo db us
Defau lt v alu e: 2 400 bp s
Range : 12 00, 2 40 0,
4800, 9 600bp s.
Baud ra te for Mb us :
Defau lt v alu e: 2 400 bp s
Range :3 00, 6 00 ,12 00 , 2400,
4800, 9 600bp s.
Pr es s th e “En te r” bu tt on, th e
red digit flash.Pr ess th e “Scroll”
button to change the value. After
choos ing t he new ba ud ra te ,
the use r nee ds to pre ss th e
“Ente r” bu tton to c onfi rm the
setti ng.
Parit y
Defau lt: N on e
Optio n:Non e, E ven , Odd
Press t he “E nter” b utt on, the red
part flash. Press the “Scroll” button
to change the option. After
choosing t he n ew pa rit y, the
user ne eds t o press t he “E nt er”
butto n to co nfirm th e set ting.
Pulse O utp ut 1
Defau lt: k Wh
Optio n:k Wh / K VArh /
Imp. kW h / Exp .k Wh /
Imp.k VArh / E xp.kVArh
Press t he “E nt er” b ut ton , the
red part flash.Press the “Scroll ”
bu tt on t o change th e op ti on .
Af ter c hoo si ng t he ne w p ul se
ou tp ut o pt io n, the us er n ee ds
to pr ess th e “Ent er” bu tton to
confir m the s et tin g.
Pulse C ons ta nt
Defau lt: 1 00 0
Optio n: 10 00 / 1 00 / 10 / 1
9
9-1
10
10-1
11
11-1
12
13
13-1
Autom ati c Sc rol l Tim e Int erval
Defau lt: 0 S
Optio n: 0 ~ 30 S
Pr es s th e “Enter” b ut to n, t he
red part flash.Press the “Scroll ”
bu tt on t o change th e op ti on .
Af ter c ho os in g th e n ew
“S crl” option , the user needs to
press the “En ter” bu tt on t o
co nfi rm t he se tt ing .
Backl it la st ing t im e set -up
Defau lt: 6 0 mi n
Optio n: 0( off)/ 5 / 10/ 2 0/ 3 0/ 60
Long pr ess “ En ter ” bu tto n to
enter s et- up m ode .
Pr es s th e “Enter” b ut to n, t he
red part flash.Press the “Scroll ”
bu tt on t o change th e op ti on .
Af ter c ho os in g th e n ew
“S crl” option , the user needs to
press the “En ter” bu tt on t o
co nfi rm t he se tt ing .
Clear
Long pr ess “ En ter ” to e nte r
clear i nte rf ace .
Clear Max demand of active power
Long pr ess “ En ter ” bu tto n to
confir m the o pe rat io n.
Clear the resettable energy
Long pr ess t he E nte r bu tto n
to confi rm th e op era ti on.
Passw ord
Defau lt: 1 00 0
Pr es s th e “Enter” b ut to n, t he
red part flash.Press the “Scroll ”
bu tt on t o change th e op ti on .
Af ter c ho os in g th e n ew “ Sc rl ”
option, the user needs to pre ss
th e “E nt er ” button to c on fir m
the set tin g.
3.Specifications
3.1 General Specifications
Voltag e AC (Un)
Voltag e Range
Base Cu rrent ( Ib /Ir ef )
Max. Cu rrent ( Im ax)
Mini Cu rrent ( Im in)
Start ing cur re nt
Power c onsum pt ion
Frequ ency
AC volt age wit hs tan d
Impul se volt ag e wit hs tan d
Over cu rrent w it hst an d
Pulse 1 o utput r at e
Pulse 2 o utput r at e
Displ ay
Max. Re ading
230V
176~2 76V AC
10A
100A
0.5A
0.4% of I b/Ire f
<2W/10 VA
50Hz(for MID version)
50 Hz(def aul t) ,60Hz option al
4KV for 1 m inute
6KV-1. 2uS wav ef orm
30Ima x for 0.0 1s
configurable, default 1000i/kWh
non-configurable,1000i/kWh
LCD wit h backl it
99999 9.9kW h
O U T P U T
R
Uim p
ATTE NTI ON : Pu ls e ou tp ut m us t be fed
as sh ow n in th e wir in g dia gram be low.
Scr upul ous ly res pect po lar ities a nd th e
co nn ect io n mo de . O pt o-c ou pl er w it h
poten tia l-f re e SPS T-NO C on tac t.
Co nt ac t ra ng e: 5~2 7VDC Ma x. cu rr ent
Inp ut :27 mA DC.
3.5 RS485 output for Modbus RTU
*Not fo r SDM23 0- Pul se o r SDM 23 0-M bu s
The meter provides a RS48 5 port for remo te com mun ication .
Modbu s RTU i s th e pro to col app lied. F or Mod bus RTU, the
fol lo win g R S 48 5 c o mm un i ca ti o n pa ra met er s ca n b e
config ured fr om t he Se t- up me nu .
Baud ra te: 120 0, 2 400 , 48 00, 9 60 0 bps
Parit y: NONE /E VEN /O DD
Stop bi ts: 1 or 2
Modbu s Addres s: 1 t o 247
3.6 Mbus
*For SD M230- Mb us on ly
The meter provides a Mbus Po rt for re mot e comm uni cation.
the me ter ad opt s EN14 34- 3 Mbus co mmu nicatio n prot oco l.
The com munic at ion p ar ame te rs ca n be c onfigu red via t he
SET-UP m ode .
Baudr ate: 30 0, 600 ,1 200 ,2 400 ,4 800,9 600 bps
Parit y: NONE /O DD/ EV EN
Stop bi ts: 1 or 2
Prima ry addr es s: 00 1~ 250
Secon dary ad dr ess : 00 000 00 1~999 99999
3.7 Mechanics
Din rai l dimen si ons
Mount ing
Seali ng
Mater ial
36x99 x63 (Wx Hx D)
Per DIN 4 3880
DIN rai l 35mm
IP51 (i ndoor )
self- extin gu ish in g
UL94V- 1
4.Dimensions
m
m
5
4
63m m
mm
5
3
6
m
m
3
mm
99
5.Installation and sealing
35
m
m
6.Wiring diagram
6.1 SDM230-V1
100 A
L-i n
1 2
7
5 6
8 9
3 4
N-i n
6.2 SDM230-V2
100 A
L-i n
1 2
7
5 6
8 9
3 4
L-o ut
6.3 Definitions of other terminals
SDM230-2T
GND
GND
5
A B
8 9
7
COM
1+
8 9
7
COM
1+
8 9
7
COM
1+
230 V/2T
15 16
SDM230-Modbus/Std
5
6
A B
SDM230-Mbus
5
6
Mbus1Mbus2
SDM230-Pulse
5
6
L-o ut
10
N-o ut
N-i n
10
N-o ut
6
8 9
7
COM
GND
1+
10
2+
10
2+
10
2+
10
2+
6-1
7-1
8-1
3.2 Accuracy
Press t he “E nt er” b ut ton , the
red part flash.Press the “Scroll ”
button to change the option. After
choosing the new pulse constant
option, the user needs to pre ss
the “En ter ” bu tto n to c onfi rm
the set tin g.
Pulse d ura ti on
7
8
Defau lt: 1 00 mS
Optio n: 20 0 / 10 0 / 60m S
Press t he “E nt er” b ut ton , the
red part flash.Press the “Scroll”
button to change the option. After
choosing the new pulse duration
option, the user needs to pre ss
th e “E nt er ” button to c on fir m
the set tin g.
Deman d Int eg rat io n Time
Defau lt: 1 5 mi nut es
Optio n: of f(0) / 5 / 10 /
15 / 30 / 60
Press t he “ Enter” b ut to n, t he
red part flash.Press the “Scroll ”
bu tt on t o change th e op ti on .
After choosing the new DIT option,
th e u se r ne ed s t o p re ss t he
“Ente r” bu tt on to c on firm t he
setti ng.
Voltag e
Curre nt
Frequ ency
Activ e power
React ive pow er
Appar ent pow er
Activ e energ y
React ive ene rg y
0.5% of r ange ma x.
0.5% of n omina l
0.2% of m id-fr eq uen cy
1% of ran ge maxi mu m
1% of ran ge maxi mu m
1% of ran ge maxi mu m
Class 1 I EC620 53 -21
Class B E N5047 0- 3
1%of ra nge max im um
3.3 Environment
Opera ting te mp era tu re
Storage/transportation temperature
Refer ence te mp era tu re
Relat ive hum id ity
Insta llati on c ate go ry
Mecha nical E nv iro nm ent
Elect romag ne tic e nv iro nm ent
Degre e of poll ut ion
*Maxi mum ope ra tin g an d sto ra ge te mp eratu res are i n the
conte xt of typ ic al da il y and s ea son al v ariat aion.
-25 C to +5 5 C
-40 C to +7 0 C
23 C ± 2 C
0 to 95%,
non-c onden si ng
CAT II
M1
E2
2
3.4 Pulse Output
The pulse output 1 can be set to gen erate pul ses to repres ent
total kWh, total kVArh,i mport kWh , export kWh, impor t kVArh,
export kVArh.
Constant can be set to 1000/100/10/1 impulse per kWh or KVArh.
Pulse w idth 20 0/ 100 /6 0mS .
DIN R ail
Declaration of Conformity(for the MID
approved version meter only)
We Zhejiang Eastron Electronic Co.,Ltd.
Declare under our sole responsibility as the manufacturer
that the poly phase multifuntion electrical energy meter
“SDM230 Series” correspond to the production model
described in the EU-type examination certificate and to
the requirements of the Directive 2014/32/EU EU type
examination certificate number 0120/SGS0206.
Identification number of the NB0120
Zhejiang Eastron Electronic Co.,Ltd.
Add: No.1369 , Chengnan Rd. Jiaxing,
Zhejiang, China
Tel: 86 573 83698881/83698882
Fax: 86 573 83698883
Email: sales@eastrongroup.com
Web: www.eastrongroup.com
MID