drum loadable for Modicon 984-685E
I'm trying to find a bit of software written to allow a DRUM (sequencer) to be installed in a Modicon PLC (984-685E).
By Freeman on 25 January, 2015 - 7:31 pm
I too need help programming a DRUM function in Modicons-Unity Pro platform. While the manual does...
Purchasing a New HART Communicator
Looking for advice on selecting a new HART Communicator for power plant.
By Chris A on 25 January, 2015 - 5:45 pm
You say that you have a lot of sensors in your factory. You should probably consider a rack-based...
Pings Over MODBUS But There Is No Reply
A PLC does not receive information from an equipment over Modbus TCP/IP protocol.
By Lynn August Linse on 23 January, 2015 - 9:05 am
I think you need to read the 'Ethernet radio' docs carefully! Many do severe packet filtering,...
I/O Mapping of Sub-Control System
What is I/O Mapping? Is it same as Interfacing Description of instrument?
Upgrading Sattline to system800xa or some advance system.
By KhurramBaig on 18 January, 2015 - 7:43 am
Hello our company is providing solution and services for Auto upgrading of Sattline to...
Reading information from Honeywell SCADA into Yokogawa CS3000
Trying to read data from Honeywell PLC connected to SCADA into Yokogawa DCS.
Voltage Measurement in Very Noisy Environment
I need to find a number of DC Voltage transducers for a very noisy environment.
By Roy Matson on 14 January, 2015 - 6:06 pm
David, The Weed Instrument modules look like a good start. The conversion from 0 - 10...
ABB 800xa Programing Problems
After i add new hardware in control builder it disappears
By dana_89 on 14 January, 2015 - 5:10 am
If this is for CBM Professional (with 800xA), are you using Enviroments (Engineering ->...
Why we don't have the gas leak test for the Frame5 GE machine?
By rvsaradhi on 13 January, 2015 - 10:59 am
GE Frame 5 fuel gas system is very vital in gas turbine because any fuel gas leakage through these...
Fire Protection Control Module
I am currently commissioning Fire Fighting/Protection System for GE Gas Turbine. The fire Fighting Control Panel is Provided by Tyco. Controller module showing fault apparently not possible.
Pneumatic Hammer Control Using Two Regulators
I am using the S71200 to control two pneumatic regulators. These regulators control air to a pneumatic hammer. I need help in controlling these regulators to generate a hammering effect.
Koyo DL06 MODBUS RTU comms
Koyo DL06 MODBUS RTU Master/Slave communications difficulties
Need LPT-040A counter card for Hitachi H-04M PLC
I am new in the field of automation. Could anybody tell me the difference between PLC and DCS other than I/O handling capacity?
By Vinod on 11 January, 2015 - 12:13 am
Very good explanation for beginners or other engineers who are not specialized in this field, but...
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.
By PLC_Programmer on 18 December, 2014 - 11:22 pm
A pressure Transmitter can be used for the same. Use it in the exhaust pipe before the isolation...
Twido and GSM Communication
Manual Rewiring Option in Siemens S5 PLC
Is it possible to carry out the manual rewiring option in Siemens S5 PLC?
Slow Communication to SCADA
17 plc connected in DH and a Wonderware Intouch station computer.
By David Ferguson on 7 January, 2015 - 9:16 pm
Read the manual, yes you can. Bootp or dhcp set in dip switches to get address and then you can...
By Gerald Beaudoin on 6 January, 2015 - 1:49 pm
Absolutely. We ran for years with just a 1756-DH485, 1756 DHRIO to access the legacy networks, and...
Local Fault on SLC 500/05 ASB
Regarding local fault declaration on SLC 500 ASB
By Evandro Carlos Vizicato on 6 January, 2015 - 2:18 pm
Please, check if all cards powerup at the same time. The 24-Vdc power need to be applied at the...
Information about Allen Bradley PLC SLC Adapter module
Meaning of error L31 and E51 on Allen Bradley PLC SLC Remote Adapter I/O module ASB
By Evandro Carlos Vizicato on 6 January, 2015 - 2:00 pm
Hi Zain. Verify if the SW3-8 in the ASB is in the ON position. If no, put the SW3-8 in ON...
1783-ETAP Module Functionality in Ring Network
Failure of Ring network created using 1783-ETAP in Rockwell PLC
Prosafe RS Online Download Problem
Yokogawa SCS ProSafe RS Error:0x2000070b
PLC Slow ethernet communication response
PLC Controllogix 5000 slow ethernet response
By James Ingraham on 31 December, 2014 - 6:02 pm
Justin, I am severely confused by your answer, in particular this part: "...when not using...
By Justin on 28 December, 2014 - 1:50 pm
You should only use Auto-negotiate if you are connecting a PLC to a switch/VLAN if you are unaware...
Next Steps for Robotics Controls Engineer
Looking for advice on how I should approach my next career step.
Automatically Measuring the Width of a Roll of Fabric
Measuring the width of a fabric roll in an automatic mode as it is moving.
Seeking PLC Sample Code for Micromotion Flow Meter
Looking for Sample PLC Code to talk Modbus to a Micromotion MVD (or any model of) flowmeter.
we have an SLC 5/05 Rack Hard faulting erratically. Sometimes on the week sometimes it takes a month
By Curt Wuollet on 25 December, 2014 - 11:35 am
Look hard at the power supply as well. I would set up a DSO on this to save time. Switchers have a...
By Bob Peterson on 24 December, 2014 - 11:56 pm
As often not mysterious faults on SLC racks turn out to be power supply problems. What fault code...
Looking for OPC to SQL server freeware
Concept 2.6 Compatiblity Issue
Posted by Anurag Purohit on 11 September, 2014 - 2:55 am
Running windows 8.1 64bit OS and have a concept 2.6 compatibility issue.
By Muhammad on 21 December, 2014 - 12:33 pm
Serial Communication with PLC
need to connect power supply units to PLC system, but comm protocol for the power supplies is not a standard industry protocol
Ethernet to DataHighway Plus
Suggestions on interfacing Ethernet to a legacy DataHighway Plus
By Fred Loveless on 18 December, 2014 - 10:19 am
You can do gateway module in a ControlLogix frame. I have customers that have had good luck with eh...