Control loop for motor with VFD . One cable Start, running indication, + another for 4-20MA speed control. Running indication is Dry contact (Delta V 24VDC input card) taken out of VFD (Toshiba).
When everything ready to go ,channel status LED on the input card is blinking. Checked voltages...
Hi all, need your advices.Small power plant , 3 steam turbines (13KW each) Have to find solution for vibration protection and prediction monitoring. Plant is switching over to DeltaV.
Emerson has a solution for everything, but it is very very expensive (more then 300k just for vibrations for 3...
Hi all, need your advices.Small power plant , 3 steam turbines (13KW each) Have to find solution for vibration protection and prediction monitoring. Plant is switching over to DeltaV.
Emerson has a solution for everything, but it is very very expensive (more then 300k just for vibrations for 3...
Need your help folks.
I need to bring 4-20 signal from 4 wire current transmitter to 2 wire input card (Delta V). It was surprise for me that in Delta V i have to use a pair of cards for the same field signals. What are the options?
Thanks
BB
Hi all, need your advice. I am dealing now with upgrading of Bailey Infi to Deltav, (small heating/power plant). All field instruments should be disconnected from the Bailey cabinets, moved to the auxiliary JBoxes and using multipair cable connected to DeltaV cabinet. Somehow happened that this...
Hi all, I am new in US so it was suprise for me to see control signal cables pulled together (Analog, digital) in the same trays, and also see the multiconuctor cable with different voltages iside (48VDC, 120VAC)Personally I don not like it.
Question is if there are codes and standarts for...