References Biogas Plant, other Environmental Plants

GMR - Ge­sellschaft für Met­all­re­cy­cling mbH
Leipzig/Ger­many		 Mi­gra­tion of con­trol system from SE-404 (Stange-SPS) with over L1-Bus con­nected Siemens S5-115U to S7-300 for Met­all­re­cy­cling­plant re­trieval of quick­silver

change of pro­grammable logic con­trol (PLC) of the mo­bile sludge pro­cessing plant for metal re­cy­cling to SI­MATIC S7-300


AVA-econ elec­trical pro­ject plan­ning waste treat­ment plant


TRADEBE
Din­nington (UK)


Ökotec-An­la­genbau GmbH con­trol cab­inet manu­fec­turing



pro­ject to  zur vi­su­al­i­sa­tion of a fer­men­ta­tion of barley



dig­ital long-term mea­sure­ment of the flow at the  micro filter



pro­ject to  re­mod­deling of a au­tomating biogas plant
   
re­search pro­ject „Umweltkartierung“ drafting, con­struc­tion and  anal­ysis of a mea­sure­ment unit for a three-di­men­sional  de­ter­mi­na­tion of tank farm
   
  „Flun­der“
free lo­cal­i­sa­tion of an  un­der­water robots to re­move the sendi­ment in­side re­actor vessel at biogas plants
   
  „op­ti­mi­saiton of the ef­fi­ciency of barley treat­ment plants"
 

References Flood Protection

Lan­destalsper­ren­ver­wal­tung Sachsen
Rötha/Ger­many		 pump sta­tion Päh­nitz, mea­sureung and con­trol equip­ment,
 con­trol of 4 pure water pumps (per 11 kW), S7-314 and soft starter Emotron MSF,
level con­trol with series con­trol Nivu­Master Plus, re­ac­tive power con­trol, cou­pling to dis­tributed con­trol system (DCS) IOFLEX, in­truder de­tec­tion system
 
LHW Sachsen-An­halt
Wit­ten­berg/Ger­many		 data re­mote transfer pump sta­tion, cou­pling to dis­tributed con­trol system of 8 pump sta­tions, DCS - WinCC with SINAUT ST7cc (Siemens)
2006 WinCC-Server with 2 WinCC-Clients,
SINAUT-con­trol centre with seperate TIM-Pro­ces­sors for ST1 and ST7,
1 stabdby note­book with pcAnywhere/VNC-Viewer,
8 dis­tributed sys­tems of vari­ating PLC:
1 x S5-115U, 2 x S5-103, 1 x S7-315, 2 x S7-315-2DP, 1 x S7-314C-2DP,
1 x S7-313C,
changeover to new modem MD3, TIM33 as well as MC45, com­mu­ni­ca­tion by: Eth­ernet, ST1 and ST7-Pro­tocol (dial-up modem/GSM)
 

References Water Management

Stadtwerke Weißen­fels GmbH
Weißen­fels/Ger­many		 water works Leißling, water works Mark­wer­bener Wiese
mod­erni­sa­tion pro­cess con­trol system - cha­geover to WinCC with Win2000s­ta­tion con­trol system SINAUT ST7cc (Siemens)
2 sep­a­rate WinCC-Server, 1 WinCC-Client,
2 sep­a­rate SINAUT-con­trol centre,
1 standby note­book with pcAnywhere,
25 sub­sta­tions (deep foun­tain,pres­sure in­crease, pump sta­tion) with
sev­eral PLCs: 17 x S5-95U, 1 x S5-115U, 3 x S7-215, 1 x S7-313C, 1 x S7-314C,
2 x S7-315-2DP,
com­mu­ni­ca­tion by: Eth­ernet, Profibus, ST7-pro­tocol (dial-up, GSM-Modem), RK512, L1-Pro­tocol (RS422)
2007/2009 Step-by-step mi­gra­tion of the foun­tain con­trol S5-95U to S7-313C and the contol centre S5-115U to S7-314C, re­place­ment of the L1-Bus through a user-to-user modem con­nec­tion TD23 (RS485 / V.23) and spe­cial pro­tocol, area in km dis­tance (up to 25 km, mormal com­mu­ni­ca­tion cable, pri­vate ded­i­cated line), work not com­pletet, at final round 16 sta­tions
con­nec­tion to WinCC-PC and S7-314C by Eth­ernet-SHDSL-Ex­tender dis­tance round 8 km (up to 25 km, mormal com­mu­ni­ca­tion cable, pri­vate ded­i­cated line)
008/2009 net­working of 5 deep foun­tain by Profibus and Mul­tidrop-Modems TD29P dis­tance round 6 km (normal com­mu­ni­ca­tion cable, pri­vate ded­i­cated line)
2008/2009 net­working of 2 water works and two 2 sub sta­tions (3 trans­mis­sion lines) by ex­isting se­rial in­ter­face (S7-200, S7-300, S5-115U) via ADSL 2/2+ router with build in RS232 ter­minal port,
com­mu­ni­ca­tion work without change of the se­rial pro­tocol (ASCII, RK512) via 3 se­cured VPN-tunnel (vir­tual pri­vate net­work)  through the world wide web, T-DSL with busi­ness tariff, static IP, con­fig­u­ra­tion/remot main­tanance via in­ternet
 
Trink- und Ab­wasserver­band Lindow-Gransee/Ger­many
2009
 net­working of a water works and  4 foun­tain (1 trans­mis­sion line) with ex­isting se­rial in­ter­face (S7-300) via ADSL 2/2+ router with build in  RS232 ter­minal port,,
com­mu­ni­ca­tion work without change of the se­rial pro­tocol (3964R) via se­cure VPN-tunnel (vir­tual pri­vate net­work)  through the world wide web, T-DSL with busi­ness tariff, static IP, con­fig­u­ra­tion/re­mote main­tanace via in­terner
 
MIDEWA Wasserver­sorgungs­ge­sellschaft in Mit­teldeutsch­land mbH
Zeitz/Ger­many		 water works Maßnitz, water works Stößen pro­cess con­trol system based on PC-ÜSR (Siemens) with 30 trasmis­sion lines (dial-up modem, funk) con­nected sub sta­tions S5-95U (Siemens), at some presue in­crease by fre­quency in­verter (Dan­foss)
2000 fur­ther net­working of 5 sub­sta­tions
2000 net­working of the pump sta­tion Maßnitz of the  Fer­n­wasserver­sorgung El­baue-Ostharz GmbH via in­dus­tial PC  (Beck) as data co­cen­trator
2001 re­fur­bish­ment of sub sta­tions , at some presure in­crease by fre­quency in­verter (Dan­foss)
2003 mod­erni­sa­tion of the water works Stößen: presure in­crease of 4 pump (each 22 kW), von­trol of the grid pres­sure without  pres­sure tank by S7-313C and 2 re­dun­dant fre­quency in­verter Mi­cro­Master 430 (Siemens) , ex­change of pump, en­ergy saving mode, flow con­trol, con­necting to the pro­cess con­trol system
   

References Photovoltaic System

de­tached house, Leipzig South East

Au­gust 2010

 

pho­to­voltaic system for de­tached house , 8,8 kWp with 42 poly­crys­talline mod­ules Heckert Solar and Ef­fekta in­verter
 

de­tached house, Leipzig South East

June 2010

 

pho­to­voltaic system for de­tached house, 9 kWp with 45 poly­crys­talline mod­ules Heckert Solar ab Ef­fekta in­verter