Unsupported Controller Fix
Seeking best solutions for operating computerized saw when controller is problematic.
By Steve Myres on 11 February, 2016 - 5:39 pm
....but it should be easy to automate with a modern PLC and hardware or PC-based HMI, and no matter...
By Bob Peterson on 11 February, 2016 - 4:45 am
Hard to give you much help without knowing more. It would be relatively easy to replace the...
Intrinsic Safe & Non-intrinsic Safety Cables
Differences between intrinsic Safe & Non-intrinsic safety Cables
By StrangerOnTheInternetInADifferentCountry on 9 February, 2016 - 1:36 am
> So if I use NIS cable in hazardous areas then is it OK? You will still need to use the...
Looking for a logic diagram for aeroderivative turbine TM2500
Looking for the typical applications for a diaphragm seal (chemical seal)
Using SIL-2 Devices in SIL-3 Loops
Can we use two SIL-2 capable sensors in 1oo2 configuration in a SIL-3 loop?
What's the Future of NTP Based GPS Clock after 2036?
Should plant owner need to replace older GPS clock with newer one?
By James Ingraham on 4 February, 2016 - 3:07 pm
> Recently most of the power plant are using NTP based GPS clock. But > as per my knowledge...
How to read MarkV IO.ASG file?
What causes Voltage Vector Shift practically?
RTD Cable Outer Sheath Colour in Hazardous Area
IS temperature transmitter in hazardous area. What colour shall the remote RTD cable's outer sheath be - Blue or Black? What if a thermocouple is used?
Analog Value from Siemens CPU 224
How to count analog value in SIEMENS CPU 224
Yokogawa Test Function Centum VP
Error when trying to use virtual Test Function Centum VP
Centum VP Time Sync WAC Router
Centum VP Time Sync - WAC Router and change FCS Time
Butterfly or Globe Valve for High Cv?
I am looking for a process control valve with a Cv of around 177, flow also needs to be manipulable
Basic difference between Zone-2 and Zone-1 equipment
Exd/Exe equipment for Zone-2 and Zone-1
By oil & gas on 28 January, 2016 - 7:27 am
What are the five main Construction requirements of the field Junction box in non-hazardous areas?...
ABB RTU560 61850 Configuration
Looking for documents related to abb IET600 61850 configuration.
DC Master/Slave with kbsi-240d
Position sync with 2 dc motors with with kbsi-240d
Creating Tags - 3500/42M Proximitor Module
Posted by Nailesh Maheta on 25 January, 2016 - 1:20 am
Is it possible to provide Vertical and horizontal vibration of same tag in two different cards of 3500/42M (3500 series) bentely nevada
Foundation Fieldbus Grounding Philosophy
Using multipoint grounding of a Foundation Fieldbus Segment Cable Shield.
Digital and Analog I/O - basic info
Posted by Daniel Johnson on 8 January, 2001 - 9:43 am
I need to know the application difference between digital I/O versus analog I/O and advantage and disadvantage in between.
Haier VRF Gateway IGU02 Schedule Problem
I am using IGU02 Haier Modbus Gateway and facing problem while activating schedule.
Can H05VVC4V5-K Cable Be Used for 4-20mA and RTD Signals?
Cable has Overall Tinned Copper Braided shielding which protects the signals against EMI. Not sure whether it is having Twisted pair construction.
Do We Need Schedule Replacement for Field Critical Instruments?
Do we need schedule replacement for critical valve accessories and critical process measuring transmitters according to their life time?
Electrical wiring color code standards
Posted by Larry Grayson on 3 August, 2004 - 4:05 pm
Looking for color standards for control wiring.
By Ken S on 21 January, 2016 - 9:16 am
My question is in regards to the UL color code " Orange - ungrounded control circuits or other...
Modbus 32 Bit Floating Point.
Unable to read 32 bit floating point registers, how to convert floating point to signed/unsigned integers.
By scadadoctor on 19 January, 2016 - 3:44 pm
If the datalogger is a PC running MS Windows OS, you can use our Modbus .NET driver to perform this...
How to Verify the Transmitter to Be Used Under 100%RH Condition
How to verify an ultrasonic or radar level transmitter to be used under 100%RH condition
Removing Groups Using OPC RemovGroup Call
Using OPC RemoveGroup call blocked though items are removed from groups.
By kiran on 18 January, 2016 - 9:25 am
Hi, Till today no clue on why the call is blocking. I tried all the possible scenarios. Just to...
Using an Analog Signal/24vDC Binary I/O Cable
Using a 18AWG 600V cable instead of 18AWG 300V cable for analog signal
By Steve Myres on 17 January, 2016 - 3:49 pm
No, the extra voltage rating in itself won't cause any problems. You might have more trouble...
Selection of dP Tx for flow measurement
By RoyMatson on 15 January, 2016 - 1:32 pm
It's a while since I have seen two DP transmitters on one Orifice Plate, in the days of 4-20 mA...
Filling Control with Load Cell
Filling control with load cell read by PLC
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.
By Fred Loveless on 15 January, 2016 - 12:10 pm
You have several options. Typically most OPC Servers will get the data and serve it to any OPC...
Control Valve Cavitation Problem
Temp Controller firing past set point