MODBUS Comunication with RS485 on ST-200
Communication between PLC and PC via Modbus, using a network interface to transport the rs485 via TCP/IP.
By Roy Matson on 27 March, 2015 - 4:26 pm
I'm not familiar with the hardware you are trying to use however I have done a lot with RS-485 in...
Dry Contact and Hermetically Sealed Switches
Where does one need to use a dry contact switch and when do you need to use a hermetically sealed switch?
By Roy Matson on 26 March, 2015 - 3:13 pm
First of all NEMA 4 X is not explosion proof, you need NEMA 7 for that. IP 66 refers to the...
Drum level control by two element
What is cascade control & explain two element in simple language?
By Shajan on 26 March, 2015 - 4:56 am
How can you implement 3 element drum controller using PLC PID logic? I have a project that needs...
I need to learn how to operate and use PLCs
By tommy van de pol on 18 March, 2015 - 4:00 pm
maybe the starter of this topic can give some extra information about what level of programing he...
By rensklijn on 18 March, 2015 - 6:04 am
I have to agree with K93F. I think a LOGO PLC from Siemens is advanced enough if you have 0...
By TpB on 18 March, 2015 - 4:41 am
1200 plc has some benefits against the LOGO. The s7-1200 is more expandable, more options and I...
By tommy van de pol on 17 March, 2015 - 12:24 pm
I personally would recommend the 1200 plc from siemens. It has the same advantage as the logo but...
Using Remote Seal Level Transmitter in Evaporative Tank
Posted by Joemari Carpio on 23 March, 2015 - 6:41 am
Can I use emote seal type level transmitter to measure level of sugar in evaporator tank?
Woodward 4024 Actuator Model 8256-060 Testing/Repair
Obsolete Woodward 4024 Actuator Model 8256-060 Testing/Repair
Communication Issue, Banner DX80 & Rockwell Micro 820 PLC
Posted by Charles Casalie on 13 February, 2015 - 11:45 am
Issue establishing Modbus RTU link between Rockwell Micro 820 PLC & Banner DX80 Gateway via RS-485 connection.
0-5k ohm or Hall Effect Sensor on KNX or MODBUS
Trying to find a device that will read a 0-5k ohm signal or a hall effect signal from an encoded motor
Part/reference Number of the EEPROM on a Mark IV DS3800HMPK1N1K
By Rabhi on 18 March, 2015 - 2:03 am
Hi Tahri, I would be able to help you with supplying eeproms and Mark IV cards. Kindly share...
DC generator with variable 90-16 vDC output requiring conversion down to 24 vDC
By Curt Wuollet on 16 March, 2015 - 11:05 pm
I was referring to the Rhino supplies at automation direct. They want 120 VDC minimum. I would...
By Curt Wuollet on 15 March, 2015 - 9:42 pm
The AD supplies want a little higher range, but the point is that OTS supplies will handle that...
By Curt Wuollet on 15 March, 2015 - 1:38 pm
I would check out common everyday switching power supplies. Many of them will accept that DC range...
200 volt duplex air compressor
Where to place RF filter in the Cabinet for the Mains Power 230 V AC?
Help with Xanbus protocol
Posted by Jose Manuel Perez-Berrios on 28 October, 2011 - 1:50 pm
I'm using labview libraries to communicate with a Xantrex communications gateway; however, I can't seem to get a consistent result.
By Ricardo Klein on 5 March, 2015 - 6:50 am
How do you did it? It's because I can't connect to the Xantrux, all the time is doing the same...
Using IBM Maximo in Data Analysis for Preventive Maintenance
IBM Maximo has the function for analysis on sensor value, for example, in order to detect faults early?
Control Principles Used by DCS in Utilities
Which control principles are commonly used in a DCS in the utilities business?
Measure the oil level in a tank over a range of temperatures
By Roy Matson on 26 February, 2015 - 4:41 pm
Ron, I agree the pressure will remain constant regardless of temperature. However it will...
Level Control for Water Tank
What kind of level sensors to be used to control the water level in a tank provided there will be level sensors to monitor 3 specific points in the tank.
Separate Instrument Earth Pit
Separate Instrument Earth pit not available
problem to read a laser sensor in OPC
By Chris A on 22 February, 2015 - 7:09 pm
Think of RS-232 as the communication interface and Modbus RTU as the communication language....
Chesapeake/BP Amocams RTU
Chesapeake/BP Amocams RTU (Bristol Babcock 3340) configuration documentation and applications
Rosemount GWR Length Reduction Creating Measurement Errors
I have adjusted the Rosemount GWR lenght but the level measurement is now inaccurate.
basic differences between contactor and relay?
Comparison between master/slave and client/server
By Ekanki Sharma on 20 February, 2015 - 6:43 am
Sir I am looking for, whether IEC 61850 standard works on TCP/IP. Is there any similarity...
Wonderware - WWRSLinx 22.214.171.124 with Windows Server 2008
Is WWRSLinx compatable with Windows Server 2008? I'm upgrading Wonderware from Server 2003 and WWRSLinx will not install.
Looking for a Pressure Transmitter operating Range 0-600 Degree Celsius for 15" WG line
Pressure Transmitter required for operating Range 0-600 Degree Celsius for 15" WG
Digital Fault Recorder Manufacturer
Looking for digital fault recorder manufacturer.
By Dave Courtney on 17 February, 2015 - 12:22 pm
Have a look at www.emsni.com > we are looking for digital fault recorder manufacturer. if...
Difference Between Intrinsic Safe Field Device and Others
Differences between Ex i certifed transmitters and others
Paperless Printing AC450 OS500
Paper less printing from AC450 OS500