Installation of DP Transmitter at Suction Filter of Air Compressor
We having an package IR air compressor with an DPT (honeywell ST3000) installed at suction.
By Roy Matson on 1 December, 2015 - 1:19 pm
The connections are on either side of the filter, it's on the suction not the discharge. ...
By Roy Matson on 30 November, 2015 - 7:54 pm
> If I open HP tapping to atmosphere, it shows 200-300 mmwc. The impulse lines should slope...
M-bus to USB/RS-232 adapter to Convert M-bus to MODBUS
Looking for a recommendation on an m-bus to usb/RS-232 converter to convert from m-bus to MODBUS
Air Leak Checks in Low Pressure System
How to find out minor air leaks from polyurethane and push in fittings
Separate Instrument Earth Pit
Separate Instrument Earth pit not available
By Roy Matson on 26 November, 2015 - 7:25 pm
>What about remote panel (Eg remote PLC panel, vendor skid >panels etc)? There is a shield...
By baskar on 26 November, 2015 - 5:21 am
What about remote panel (Eg remote PLC panel, vendor skid panels etc)? There is a shield earth bar...
DNP3 to AB PLC through OPC
Posted by david.reed.schmidt on 20 November, 2015 - 12:37 pm
I have DNP3 devices that push unsolicited updates to an OPC server. I have a CompactLogix PLC that needs to consume that information.
Selecting Fuses for Switch Gear Relay
Any one suggest me how to calculate the fuse rating.
By rigomorales on 24 November, 2015 - 8:21 am
if you want a formula, usually a fuse is selected as 1.7 times the nominal current of a circuit. ...
Voltage being pulled down in IO panels.
By Roy Matson on 23 November, 2015 - 4:48 pm
> We have numerous Siemens FX300 Vortex flow meters on site. > Every few months these seem...
Combination of Ex d and Ex m through I.S. barrier
Can No Longer Verify MODBUS String from Slave Device
Modscan software quit working suddenly, and I cannot reestablish communication with slaves.
Zero Trimming DP and P and Multivarible Transmitters
How would I go about zero trimming a DP and P on a multivarible transmitter?
Could the GCV Instability to be the raison that the GT goes to Exhaust temperature Control?
Mapping Registers to Data Reference
I do not know how I have to map our generator paramters to the MODBUS TCP Addresses.
By Juergen on 19 November, 2015 - 7:16 am
I'm developing a hardware which supports the Modbus/TCP Interface. Now I have to define the...
Is an Automation engineer in India a Diploma Level or technician Level Job?
Is job of an Automation engineer in India merely 'Diploma level' or technician level?
By Rushi Shroff on 20 November, 2015 - 8:33 am
Answer by Mr Dhandayudhapani Murugan,Head, Services Business Line at Metso Automation Chennai ...
Chromalox Temperature Controller Alarm Output
Looking for some input or guidance on getting 120V output for an audible alarm on a chromalox temperature controller.
By TheSource on 18 November, 2015 - 8:13 am
Thanks a lot David and bgall. I ended up figuring that out and ran a jumper from the power input to...
By bgallaspy on 17 November, 2015 - 3:31 pm
It looks like for the Chromalox 6040-RRA output 1 is just a relay. The controller itself does not...
Turbogenerator vibration problem with increase in VAR
In 210 MW turbogenerator in 6th no. bearing (horizontal) there is an increase in vibration with an increase in VAR required by the generator.
Frequency Drive and Communication Cable Ground
Can frequency drive and communication cable have the same ground?
Synchronized Generator Current
Synchronized Generators current supplying current while outgoing feeder is open.
What Will Happen if Delta Connected Motor in STAR
Motor winding heated due to wrong connection?
Control Valve Cavitation Problem
By Roy Matson on 16 November, 2015 - 5:23 pm
I suspect the poster is just trying to solve a theoretical problem. we are looking at a valve that...
Mitsubishi PLC and BACnet
I am looking for a way to allow my Mitsubishi FX2N PLC to link to a BACnet network (and/or LonWorks).
By sensorman on 16 November, 2015 - 5:47 am
The signal levels as well as the protocol as 'special'. Len Shustek has done some good work...
Citect Modbus with FloBoss600
Have the CPU of floboss 600 flow computer with its front panel and no screen. How to access the data that sent from it to Citect HMI through MODBUS?
MODBUS Device Interface Segregation
Posted by Matthew Raterman on 13 November, 2015 - 2:10 pm
Best practices for separating various devices communicating to a MODBUS master to minimize communication failures.
By Abu Ashfaq on 15 November, 2015 - 7:38 am
First of all MODBUS shall not be considered as a backbone of data transfer between Lower level...