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Thermal Overload
The threads that wouldn't die...
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
Fortune
Bell Labs Unix -- Reach out and grep someone.
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provide input to a Data Acquisition Unit (DA100) requires 5VDC input with 10mA transistor output
New Replies:
By Robert Scott on 20 November, 2009 - 8:36 am -
You are not doing any better at describing what you want. You say that the 10ma. output needs to...
By Hattersuk on 20 November, 2009 - 6:51 am -
Thank you.
I don't think i have described this very well. I need to use a 10mA output that i...
By Carl on 19 November, 2009 - 1:10 pm -
Ohms law says current through a resistor creates a voltage drop.
R = E/I
R = 5V/0.010A
R = 500...
By curt wuollet on 19 November, 2009 - 9:14 am -
10 Ma should be great plenty for several compatible inputs. But knowing they are compatible will...
Static Mixer: Flow Temperature Decoupling
Any demo-software available?
New Replies:
I know Honeywell sells a development system software license for Experion with C200 or C300...
Sorry for going lil off topic.
SPR, are you experienced with Honey Plantscape R500 as well?
...
By Vendorguy22 on 18 November, 2009 - 8:52 am -
Based on your comments above I detect that you are a local EPC. I would recommend that you work...
Experion PKS is a bundled package with C300/C200 hardware. You cannot have a convincing demo with...
Looking for UDC6000 software package CCR plant (regenerator section)
New Replies:
By Bud Buyer on 19 November, 2009 - 1:59 pm -
I'm not familiar with the TDC 3000. Can I assume that an SDI card is a serial digital interface...
What do you use PLC or DCS to control wind turbines?
Installing several air monitoring sensors
New Replies:
We are using Modbus485/CS3000 to talk to some SLC500's and a set of gas sensors... what is your...
Seeking help to rectify frequently appearing Suspect LCN Cable alarm at our site.
New Replies:
LCN troubleshooting is a bit tricky and requires patience.
If the noise pattern is random on...
Point details retrieval from ESVT.
New Replies:
Hi
Unable to understand your difficulty. What point details are you looking for? In case of...
How to print tag nos. and descriptions of historised points in TDC 3000
New Replies:
To find out parameter names (specifically for UCN nodes/UCN node specific conf/tags built on NIM)...
How to check scan time of DCS & PLC
New Replies:
By SPR on 18 November, 2009 - 2:03 am -
For other questions:
3. CONTROLLER LOADING: PLC controller loading is with respect to your...
By SPR on 18 November, 2009 - 1:41 am -
SCAN period in PLC and DCS are fundamentally different.
PLC: it is the time taken to scan &...
Correct position for flow measurement?
New Replies:
By Rohit Chandak on 17 November, 2009 - 9:00 pm -
Hi,
Both the devices pump & control valve could lead to inaccuracy in the flow measurement...
How to measure piping vibration and what is the expected damage to inline instruments should it become too high.
need help with Gen32 to be used with Unitronics UniOPC Server
New Replies:
Hi Paul,
I have used Genesis32 with Unitronics PLC's before. The Unitronics OPC server does not...
A metso control valve is connected to DCS. Its is 4-20ma loop. Before connecting, DCS signal cables to valve, open loop voltage across the terminals is around 21.9V and when signal wires are connected to positioner, voltage drops to 9.15V.
New Replies:
By Roy Matson on 15 November, 2009 - 11:32 pm -
Do you think there might be a short circuit in the field wiring, that would stop HART but the DCS...
Thank you Mike / Steve / NG / Roy for your thoughts on this.
DCS AO Card Specification...
By Roy Matson on 12 November, 2009 - 3:01 pm -
What you are seeing seems normal to me. Your positioner is not a simple resistor, more like a...
By NG on 12 November, 2009 - 2:28 am -
You have not mentioned whether the valve is working or not....
By Steve Y on 12 November, 2009 - 2:12 am -
A few thoughts
Do you know what load the DCS is capable of accepting at 20mA ?
Is there...
tomsci,
I have run into some what of a similar problem in the past. We had a large butter fly...
setpoint tracking, manual tracking , control output tracking
New Replies:
Hi,
setpoint tracking is enabling a bumpless transfer when the controller is switched from...
MK IV control system upgrade issue
New Replies:
You don't say what the existing control system is, other than a MK IV common BOP system. If it is a...
Flare Gas measurement ultrasonic / optical meters
What applications are batch control best suited for?
Can some one please tell me, if there are special conditions considered during the construction of an intrinsically safe cables.
Trying to determine application for NPN vs. PNP. Also NO vs NC.
New Replies:
By Bimalendu on 14 November, 2009 - 1:50 am -
If he is making it clear that he need a high input. i think its clear that his microcontroller is...
Does anyone know how to stop the posts (AB talk for the start-up self-test loo)???
from the Forum department...
ATEX certification (ATEX II 2 G Eex ia IIC T6) and power supply requirements of instruments
whether power supply for the instruments like Magnetic flow meter installed in Zone 2 areas can be 230 VAC, 50 Hz with 4-20 mA IS (passive) as output when we specify the requirement of ATEX certification (ATEX II 2 G Eex ia IIC T6).
Problem controlling drive remotely.
New Replies:
By M Griffin on 12 November, 2009 - 5:06 pm -
I think there is also a switch that you have to set to select NPN or PNP. You have to set that to...
Auto tuning in ABB 800XA system
New Replies:
By Mik on 12 November, 2009 - 5:39 am -
So, if I understood good, main difference between step and relay tests is that really works in a...
By Rob on 10 November, 2009 - 6:42 pm -
I'm sorry but I'm going to be a little blunt here
Do NOT use the Autotune facility until you...
I need to measure the thickness of a plate while rolling - continuously and record the data.
1100 wide x 6 mm thick -- 0.05mm resolution
1100 wide x 6 mm thick -- 0.05mm resolution
New Replies:
What you want is an thickness gauge. There are some old americium isotope gauges, and the newer...
Coriolis Flow Meter plugs up after few minutes of operation.
New Replies:
By Rob Sorbara on 11 November, 2009 - 3:45 pm -
FT, What is your process fluid and what make and model of Coriolis sensor do you have? How is the...
Siemens Teleperm AS230 information
Two OIU's crashed at our facility and no matter what parts I throw at them, they won't come back.
New Replies:
Ok I changed out the back plane with one we had in spares. No Luck. Same result. The part I used...
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