iGWlite – Smart, Slim and Simple.

A com­pact data con­cen­tra­tor and pro­to­col con­vert­er for sub­sta­tions and pow­er plants
  • Secured, adapt­able and mod­u­lar com­mu­ni­ca­tion gate­ways specif­i­cal­ly designed for elec­tri­cal facil­i­ties and elec­tric­i­ty dis­tri­b­u­tion systems
  • Takes almost no space on a DIN-rail
  • From meter data con­cen­tra­tion to pro­to­col con­ver­sion – full range of pro­to­cols (DNP3.0, IEC 61850 (MMS & GOOSE), DLMS, Mod­bus, IEC 60870–5‑101/102/103/104 etc.) to com­mu­ni­cate with all devices and con­trol cen­ters con­nect­ed to your elec­tri­cal network
  • 1 Eth­er­net & 1 RS485/RS422 port and an option­al RS232 port (cop­per or fiber) or 2G/3G/4G modem.
Designed to pro­vide the same pro­to­col con­ver­sion and automa­tion capa­bil­i­ties (incl. IEC 61850), only with few­er com­mu­ni­ca­tion ports, the iGWlite is the com­pact ver­sion of our all-pow­er­ful gate­way (iGW). It is thus par­tic­u­lar­ly use­ful to set up, automize or retro­fit gen­er­a­tion plants, sub­sta­tions and oth­er con­trol net­works (with sim­pler archi­tec­tures) requir­ing data con­cen­tra­tion or con­ver­sion between sev­er­al pro­to­cols, e.g. Mod­bus to Eth­er­net or IEC 61850 to DNP3.

The data col­lec­tion from meters, pro­tec­tion relays, and oth­er IEDs can be per­formed using any pro­to­col, inl­cud­ing IEC 60870–5, IEC 61850 (MMS/GOOSE), DNP3, DLMS, Mod­bus or Pro­come, whilst man­ag­ing a microsec­onds time­stamp res­o­lu­tion via NTP or PTP. Fur­ther, the iGWlite can also process and trans­fer the data to one or mul­ti­ple con­trol cen­ters and SCADA mas­ter sta­tions using upstream pro­to­cols such as IEC 104, IEC 101, TASE2.0/ ICCP (IEC 60870–6), IEC 61850–90‑2, DNP3, and Mod­bus RTU/TCP.

A net­work archi­tec­ture sup­port­ed by an iGWlite is open, sim­ple and scal­able, allow­ing to inte­grate com­ing gen­er­a­tions of devices (IEDs, sen­sors, routers etc.) and adapt to any kind of changes made to your pow­er dis­tri­b­u­tion net­work, sav­ing you time, mon­ey and space on your DIN-Rail.

Applications & Functions

Smart Meter Gateway

  • PV Plant Gateway
  • Smart Meter Gateway
  • Sub­sta­tion Gateway
  • Pro­to­col Converter
  • Load Curve Collector

Full plant & sub­sta­tion equip­ment monitoring


Col­lec­tion of all kinds of elec­tri­cal data


Live remote and web based unit access


Alarms & events generation

HV & MV Substation Automation

  • Sub­sta­tion RTU
  • Feed­er Remote Ter­mi­nal Unit (FRTU/ FDCU)
  • Sub­sta­tion Gate­way 

IEC 61850 pro­to­col conversion


Full real-time sub­sta­tion equip­ment monitoring


Alarms & events generation


Live, remote and web based con­fig­u­ra­tion & data access


Inter­nal PLC based on IEC 6113–3

iGW as Substation Gateway and Bay Control Unit

Exam­ple schema of iGW-lite oper­at­ing as meter and pro­tec­tion gateway

Technical Features

IEC 61850 MMS

The iGWlite can be used as a sim­ple link between seri­al­ly con­nect­ed phys­i­cal devices and log­i­cal IEC 61850 devices as it can be sim­ply con­fig­ured to map any sig­nal from all sorts of data mod­els onto IEC 61850 log­i­cal nodes, whilst also pro­vid­ing IEEE1588 / PTP time synchronization.

Thanks to its full iGrid pro­to­col stack, the iGWlite can con­vert any stan­dard or lega­cy pro­to­col such as IEC 60870–5‑103, SPAbus, Mod­bus, DLMS to IEC61850, mak­ing it com­pat­i­ble with hun­dreds of vendors.

Standards and Compliance

The diverse back­grounds of our part­ners and clients from all over the world have helped us gath­er state-of-the-art know-how and first­hand expe­ri­ence in a great vari­ety of ener­gy appli­ca­tions. This joined knowl­edge is the foun­da­tion of our opti­mized iRTU/GW fam­i­ly, which has a proven track record of being par­tic­u­lar­ly effec­tive and resis­tant for a diverse range of appli­ca­tions and harsh envi­ron­ments belong­ing to the ener­gy industry.

As a result, the iGWlite meets the require­ments of exten­sive stan­dards, such as IEC61850‑3, IEC60870‑2–1 & IEC60255-26.

IEC61131‑3 PLC Automation

Thanks to its inter­nal PLC based on IEC 61131–3, the iRTU can pro­vide pow­er­ful automa­tion and con­trol func­tion­al­i­ties.
For exam­ple, you can eas­i­ly reuse pro­grams on dif­fer­ent projects, run mul­ti­ple PLC instances simul­ta­ne­ous­ly or use trig­gered vari­ables for con­trol com­mands and set points. It also allows to run hot pro­gram updates, stop PLC exe­cu­tions depend­ing on the qual­i­ty of select­ed PLC inputs and debug PLCs online, either cycle-by-cycle or step-by-step.

The iRTU has a high exe­cu­tion speed – a 2000 ST line pro­gram takes less than 3ms.

IP Networking

The iGW is equipped with trans­par­ent TCP bridg­ing and con­fig­urable IP rout­ing to tun­nel any ser­i­al pro­to­col (such as Mod­bus) over a TCP/IP con­nec­tion and facil­i­tate the data trans­fer through com­plex IP networks.

Its VLAN and VPN sup­port allow to improve the network’s per­for­mance, sim­pli­fy­ing its traf­fic man­age­ment, design and deploy­ment and also help­ing to secure com­mu­ni­ca­tions through par­tic­u­lar­ly haz­ardous networks.

Communication Protocols

The iGW was designed to use a high num­ber of pro­to­cols and com­mu­ni­cate with sev­er­al con­trol cen­ters at once.

The stack includes new­er pro­to­cols such as IEC 61850 MMS or GOOSE (A lev­el cer­ti­fied by DNV-KEMA), but also old­er stan­dard and pro­pri­etary pro­to­cols such as ModbusRTU/TCP, SpaBus or Pro­come. Oth­er sup­port­ed down­stream pro­to­cols for meters and pro­tec­tion relays are IEC 60870–5‑102/-103, IEC 62056–21 and DLMS, where­as upstream pro­to­cols for con­trol cen­ters also include IEC 60870–5‑101/-104 or DNP3.0 serial/TCP.

Cyber Security – IEC 62351

iGrid enforces sev­er­al lay­ers of secu­ri­ty mea­sures guid­ed by the propo­si­tions of the IEC 62531 stan­dard to pro­tect its devices from all kinds of threats.

The iGWlite is a hard­ened device fea­tur­ing Role Based Access Con­trol (RBAC) to avoid intrin­sic risks such as secu­ri­ty holes and unau­tho­rized actions by authen­ti­cat­ed users.
In addi­tion to end-to-end encryp­tions via TSL/SSL, HTTPS, SSH and stan­dard pro­ce­dures for VPNs (e.g. Open­VPN), its com­mu­ni­ca­tion can also be secured with net­work con­trol meth­ods such as fire­walls, IP fil­ters, ACL or TCP port blocks.

Models Overview


iGWlite B Series

B#01 – (1) 10/100BaseTX (RJ45 con­nec­tor) and (1) con­fig­urable ser­i­al port RS-232/RS-485/RS-422

B#11 – (1) 10/100BaseTX (RJ45 con­nec­tor) and (2) con­fig­urable ser­i­al ports RS-232/RS-485/RS-422

iGWlite M Series

The M series com­bines the B#01 eth­er­net and ser­i­al ports with one of the fol­low­ing modems: M01 (GPRS), M11 (3G + GPRS) and M21 (4G/LTE + GPRS)


General Characteristics

Pow­er sup­ply  W : wide range, 32 — 250Vdc / 80 — 250Vac  24 : 19.5–60Vdc (both 2.5kVrms isolation)
Envi­ron­men­tal Oper­at­ing tem­per­a­ture: ‑25ºC to +70ºC — IEC 60068–2‑1, IEC 60068–2‑2, IEC 60068–2‑3, IEC 60068–2‑14, IEC 60068–2‑30, IEC 60068–2‑38
Vibra­tion & shock test IEC 60068–2‑6, IEC 60068–2‑7
Phys­i­cal  DIN Rail mounting

iGComms Software Application

Secu­ri­ty IEC 62351–3 and IEC 62351–5 sup­port, includ­ing TLS/SSL, SSH and VPN connections
IEC61131‑3 automa­tion log­ic and PLC pro­gram­ming, with LD, FBD, ST and SFC editor
LUA lan­guage can be used to cre­ate sim­ple and com­plex log­ic and math­e­mat­i­cal expressions

EMC Standards

IEC 60950–1, IEC 60255–5:2000, IEC 60255–22:2000, EN 55022, IEC 61000–6‑4, IEC 61000–6‑5, IEC 61000–4‑2, IEC 61000–4‑3, IEC 61000–4‑4, IEC 61000–4‑5, IEC 61000–4‑6, IEC 61000–4‑8, IEC 61000–4‑9, IEC 61000–4‑10, IEC 61000–4‑12, IEC 61000–4‑16, IEC 61000–4‑17, IEC 61000–4‑18, IEC 61000–4‑29

Protocol Stack

Master/Slave IEC 60870–5‑101
Mas­ter IEC 60870–5‑102
Mas­ter IEC 60870–5‑103
Master/Slave IEC 60870–5‑104
Master/Slave DNP3.0 (ser­i­al, UDP, TCP)
Master/Slave Mod­bus­R­TU
Mas­ter Profibus DP Master/Slave
Mod­bus TCP/UDP and JBUS (mas­ter)
Mas­ter IEC 62056–21
Mas­ter DLMS
Mas­ter Spabus, Mlink, Procome
SNMP Agent/Manager
IEC 61850 MMS Client/Server
IEC 61850 GOOSE Publisher/Subscriber

Communication Ports & CPU

Ser­i­al up to 2 soft­ware con­fig­urable ports with RS-232/RS-485/RS-422 or mul­ti­mode fiber optic with ST connector
Eth­er­net (1) 10/100BaseTX ports with RJ45
Wire­less full inter­nal 4G(LTE), 3G and GPRS modem (option­al)
CPU ARM Cor­tex-A7 @ 528MHz, with 4GBytes Flash and 256MBytes RAM.

Simple Configuration with iConf

iConf has been specif­i­cal­ly devel­oped for elec­tri­cal appli­ca­tions, sav­ing you lots of time and mon­ey through­out the con­trol sys­tem set-up and main­te­nance tasks, whilst also min­i­miz­ing your project risks. Upload and down­load your con­fig­u­ra­tions, import or scan SCL files (61850) and cre­ate your own tem­plates.

Configuration & Maintenance

Easy con­fig­u­ra­tion with iConf tool
Inter­nal web serv­er, allow­ing real time mon­i­tor­ing of the sys­tem and all its inter­nal parameters
Com­mand con­sole with full infor­ma­tion on pack­et exchanges, with all avail­able protocols
Local or remote main­te­nance via USB or Eth­er­net port

RTC & Time Synchronization

Real-time Clock (RTC) with 1.5 ppm drift and microsec­ond res­o­lu­tion timestamp
Serv­er NTP, IEC 60870–5‑101, IEC 60870–5‑104, DNP3.0, PTP
Client IEEE1588(PTP), SNTP, IEC 60870–5‑101, IEC 60870–5‑102, IEC 60870–5‑103, IEC 60870–5‑104 DNP3.0, DLMS, Spabus, Mlink, Pro­come and Profibus DP

Meet the Family

iGW – For More Complex Projects

The iGW is a pow­er­ful and reli­able sub­sta­tion gate­way, able to run either in stand­alone or redun­dant modes, car­ry­ing 4 ser­i­al ports and an (option­al) embed­ded Eth­er­net switch for 2 addi­tion­al Eth­er­net ports (total of 4).

iRTU – The Gateway with Integrated I/Os

The iRTU is an intel­li­gent and scal­able bay con­troller with inter­nal and con­fig­urable I/O capa­bil­i­ties for direct data acqui­si­tion, pow­er­ful pro­to­col con­ver­sion (incl. IEC 61850), high-pre­ci­sion time­stamp­ing and an option­al embed­ded Eth­er­net switch.

iGW-VM – For Unlimited Scalability on Any Device

For every­one who wants the the soft­ware func­tion­al­i­ties of the iGW, but has a preferred hard­ware or is look­ing for high scal­a­bil­i­ty with exist­ing devices, there is the iGW-VM. It can run on Lin­ux or Win­dows servers and pro­vides unique fea­tures and flexibility.

iGrid Protocol Suite

Any questions?

    I have read and accept the Pri­va­cy Pol­i­cy*

    All per­son­al data that you sub­mit us via this form will be processed by Data Con­troller IGRID, S.L. and saved into CONTACTS pro­cess­ing activ­i­tie, with the pur­pose of answer­ing your inquiry, via email or phone, and for a lat­er fol­low up. Pro­cess­ing shall be law­ful because you give us your con­sent for these spe­cif­ic pur­pos­es. Your per­son­al data will not be dis­closed to third par­ties unless forced by law. You have right to access to, rec­ti­fy, or delete your per­son­al data, and oth­er rights as explained in our Pri­va­cy Policy

    iGWlite Applications
    Sub­sta­tion Automation

    Auto­mat­ic Gen­er­a­tion Control

    PV Plant Remote Control/Monitoring

    Wind Farm Gen­er­a­tion Control

    Pro­to­col Conversion

    Sub­sta­tion Data Acqui­si­tion and Control

    Elec­tric­i­ty Dis­tri­b­u­tion Networks

    Sub­sta­tion Gateway

    Hydro­elec­tric Plant Control

    Data Acqui­si­tion Gateway

    Rail­way Con­trol Unit

    iRTUe – Remote I/O Extensions 

    iGWs and iRTUs can be freely extend­ed by con­nect­ing sev­er­al iRTUe.

    They are IEC 61850 (GOOSE) com­pli­ant and come in many con­fig­u­ra­tions such as 48 DI, 16 relays, 16 AI, 24 DI + 8 relays, 24 DI + 8 AI or 8 relays + 8 AI.

    iControl SCADA

    High-per­for­mance SCADA for the visu­al­iza­tion and con­trol of sub­sta­tion data. It is able to run either in client/server or stand­alone modes, pro­vid­ing advanced func­tion­al­i­ties such as hot-stand­by redun­dan­cy, auto­mat­ic line col­or­ing, events noti­fi­ca­tion (via e‑mail and sms), SQL log­ging, and reports generation.

    Sub­sta­tion Automa­tion with IEC61850

    HV Sub­sta­tions

    MV Dis­tri­b­u­tion Grids

    Rail­way Automation

    Pro­to­col Conversion

    Smart Meter­ing

    Wind Farm Generation

    Hydro­elec­tric Generation

    Pho­to­voltaics Generation

    Do you need more information?

    We are hap­py to assist you!

    +34 93 502 79 84

    Mon­day to Friday

    08:00h to 17:00h

    Cen­tral Euro­pean Time

      I have read and accept the Pri­va­cy Pol­i­cy*

      All per­son­al data that you sub­mit us via this form will be processed by Data Con­troller IGRID, S.L. and saved into CONTACTS pro­cess­ing activ­i­tie, with the pur­pose of answer­ing your inquiry, via email or phone, and for a lat­er fol­low up. Pro­cess­ing shall be law­ful because you give us your con­sent for these spe­cif­ic pur­pos­es. Your per­son­al data will not be dis­closed to third par­ties unless forced by law. You have right to access to, rec­ti­fy, or delete your per­son­al data, and oth­er rights as explained in our Pri­va­cy Policy