Troubleshooting Blower Shutdown
I have a bank of 12 blowers that all shut down every other Tuesday morning at about 7AM. when they shut down there is no alarm and they don't need to be reset to restart. I am lost for how to continue troubleshooting.
By Mike on 26 July, 2016 - 1:37 pm
Is there any chance of network storm? Alternatively are IEDs connected to network or...
Horizontal Pitch in a Spiral
Need some information about the horizontal pitch in a spiral for the placement of sensors in the oil tank.
Molten sulfur (including iron impurities) flow
Data Acquisition Software
Looking for data acquisition software
Servo valve current when controlling hydraulic flow in servo valve
on 18 July, 2016 - 6:05 pm
Isulamu, The ((REF - FDBK) * gain + bias current) is all done in software, and if the feedback...
on 17 July, 2016 - 3:30 pm
yaseeeen, There is no such product as a Mark IVe; there is Mark IV and Mark IV Migration, but no...
on 15 July, 2016 - 6:17 pm
yaseeeen, +/-10 mA is a maximum range. The Mark V never really puts out more than approximately...
Turbine isentropic efficiency calculation if steam in/out is superheated?
AHOP in MS5001 machines and what is the back up of MHOP?
on 18 July, 2016 - 5:22 pm
VJ, The Auxiliary Hydraulic (Oil) Pump (AHOP) has been an option on GE-design Frame 5 heavy duty...
By otised on 16 July, 2016 - 8:32 pm
> What is AHOP and MHOP? AHOP = auxiliary hydraulic oil pump (usually electric motor driven) ...
Metal Bending Machine Feed Data Calculation and Dimension Calculations
Could you please help me understand why the Feed Data variable is being reset by the PLC and justify the machine data calculations and why they aren't being used by the machine? All background information is in the message below.
Why Is Current Transformer Secondary Short Circuited?
Posted by Anonymous on 6 June, 2007 - 11:47 pm
Why is current transformer secondary short circuited during the operation?
By Irwan on 11 July, 2016 - 3:05 am
Basic formula, V=IR. Voltage is directly proportional to resistance with constant I. Remember...
By JEFF JONES on 6 July, 2016 - 9:01 am
> The current transformer secondary is short circuited during > the operation. What is the...
Correct DP Transmitter Isolation Procedure
What is the correct procedure for preparing a differential pressure transmitter for live calibration?
on 8 July, 2016 - 6:52 pm
>> firstly open the equalization valve before isolating the HP and LP >> line from the...
Difference of Safety Category 2 and 3
Generator Hydrogen Cooling System
hydrogen cooling system for GE frame6
MODBUS EMC requirements derived from CISPR 32 what - do you think?
Question about Modbus TCP baud rate (communication speed)
What is TUV-AK-6 Certification
Posted by HITESH SHAH on 18 April, 2002 - 1:44 pm
Can any one tell me what the TUV AK-6 stands for and what does it specify?
By danny Earle on 6 July, 2016 - 3:44 am
As anyone Interfaced a SIL rated Safety DCS to existing AK field Instrumentation or performed Self...
Daisy Chain for SEPAM Communications Loss
SEPAM and ACE 969-TP daisy chain loop with power looping
Is Safety relay controlling multiple control relays advisable?
Jumpering on Load Side of Circuit Breaker
Does anyone jumper on the load side of a circuit breaker?
By Bob Peterson on 2 July, 2016 - 7:45 pm
I can see the utility in jumpering the line side, but not the load side....
By geoff on 2 July, 2016 - 1:07 pm
>I'm not sure what you mean by jumpering. I should have mentioned that these are Miniature...
I would like to know which is the best method to check the stability of a PD adaptive algorithm
By Jeibros on 1 July, 2016 - 12:18 pm
Hi, I do not agree about using absolute value in this case, as this would imply that Kp and Kd...
120ac versus 24dc motor control
Quick Survey of who's using 24 VDC for motor control.
By aan aan on 29 June, 2016 - 10:31 pm
Hi Old guy, yes, I have also have been seen the shift of motor control design from 120 VAC to 24...
Mark VI SRV/GCV Pressure Transmitter Trouble
Issue with Mark VI SRV/GCV Pressure Transmitter
EX-2000 Interface with MARK-V
Posted by ELVIN APONTE on 21 June, 2016 - 1:05 pm
Where the signal L4ex_strt_ss is created in a Mark-v gas Turbine
By ELVIN APONTE on 29 June, 2016 - 10:25 am
Thanks: The normal state for L4EX_STRT_SS is zero. The problem was in a Gas Turbine. When forced...
Heavy Fuel Accumulator Pressure
How much the nitrogen pressure must be inside this accumulator?
Performance controller for centrifugal compressor either Woodward 505 or CCC series 3++?
Bently Nevada 3300 Radial Vibration Problem
Radial vibration read exists although machine is tripped (stop)