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• Gas Turbine Flame Detection January 17, 2020
  Hi We are having GE Frame 6B DLN Gas turbines. The original flame scanners (Reuter Stokes) which came with these turbines were facing repeated fluctuation problems in their readings and these fluctuations utlimately were becoming so low that we had to take turbine shutdowns to clean the scanners. We usually have high humidity in our […]
• Gas turbine starting system January 17, 2020
  Hi, we have a gas turbine that is started by a diesel engine and we want to study the possibility of changing the system to air/gas starter. what I don't understand is why does the diesel engine has a torque converter even though its torque is usually higher than an air starter. And I don't […]
• Can't reach server/slave! Check TCP/IP and firewall settings January 17, 2020
  hi, I'm trying to read data from a device. Protocol is modbus TCP and I connected it to Ethernet. It supports SCADA TCP interface. I'm using modpoll master simulator from my computer. But I get a response "Can't reach server/slave! Check TCP/IP and firewall settings" again. Response is below. .............. ~~~>modpoll -mtcp -r1 -c10 -1 […]
• How can slave address be assigned when I connect lots of slaves to master on RS485 communication? January 17, 2020
  Hi, I have some question about RS 485. As I said in title, what if I connect many slaves in one master, who assign slave address? Modbus master doesn't have any functions to assign slave address. The only thing it supplies is to input command in binary code. Master just executes the command. Then, how […]
• Read Data from SPPA-T2000 January 17, 2020
  Greetings, I need to read data from Teleperm XP (SPPA-T2000) via terminal bus and save them in a SQL Server database for some archiving and analysis purpose. Now I'm looking for a solution even if OPC Server or any other solutions. Can anyone help me about the available solutions? If i should use OPC Server, […]
• SPA BUS optical loop with non-ABB January 17, 2020
  Hi, Is it possible to create functional optical loop between ABB relay devices using non-ABB serial-to-optic fiber converters? I know I can use ABB SPA ZC modules, but they are not available currently... I appreciate any info. Thanks! O.
• GE MARK 6E I/O PACK RELAY CONTACT ISSUES January 16, 2020
  Hi ALL We have a mark 6e control system. we are using in TMR . with UCSA controller. there was no problem with the system for 2 years. now I am facing a problem with some I/O packs. (PDIOH1A, PDOA1A, PPROH1A). if I select PDIOH1a with simplex board TDBSH6A its output relay contact will not […]
• Connecting S900 RTU to SCADA over sdh media using cxr modem type CV SE28 January 16, 2020
  Hi, Ineed to connect S900 RTU to SCADA using cxr modem type CV SE28, but it is not work. i.e. SCADA can't see RTU.
• Centrok Modbus interface January 16, 2020
  I'm facing a problem with applying the position command to valve actautors using modbus simulation software
• Hitachi H-25 Gas Turbine Exhaust Spread and Wheel Space Temperature January 15, 2020
  Experiencing high exhaust temperature spread during load ramp up between 18 MW and 21 MW. High differential temperature for wheel space 1st stage aft 1 & 2. We had been facing high exhaust temperature spread on our Hitachi H-25 gas turbine since August; therefore, HGPI was undertaken in October. However, high exhaust temperature spread observed […]