from the ModbusTCP department...PROSOFT MVI56-MNET Slave Response Time
PROSOFT MVI56-MNET communication response time and performance
By Bob Peterson on 17 September, 2014 - 5:19 pm -
Hint - prosoft has very good tech support....
from the Forum department...RSLinx issue in VMWare WIn 7 32 bit VM
I can do a serial upload and download but I cannot go online with RSLogix 500 inside a VM running WIn 7 32 bit
I just got the 2 port version and it works like a champ. Upload, download and online. Thanks! ...
Years ago I had trouble with VMWare and a Keyspan USB to serial device. I switched over to a Gearmo...
from the Communication department...Communication Between Control Logix and Centum VP Using Ethernet/IP
Communication not getting established between Yokogawa (ALE-111) and Control logix using Ethernet/IP.
from the seeking product recommendations department...Modbus TCP temperature monitor
I'm looking for a product recommendation
By SG on 17 September, 2014 - 6:39 am -
See there... http://pcsensor.com/index.php?_a=product&product_id=109 Moderator's...
I am looking for much the same thing, a simple temp and humidity for my server room. I just want...
from the Gas Detector, Engineering department...Using a sigmatel USB IrDa dongle to communicate a Drager Xam 2000 with CC Vision software
How to use a sigmatel USB IrDa dongle to communicate a Drager Xam 2000 with its CC Vision software for calibration
Search the forums there should be similar problem but solved. Did you update all the necessary...
By Xpresi on 15 September, 2014 - 3:51 am -
Hi. I have the same problem with a sigmatel usb-irda dongle and windows XP. Do you get to solve...
from the Forum department...Power Meter Destroys Modbus RTU Bus Communication?
Problem with SCADA system that supervises electrical power flow for a residential building. Connected with Modbus RTU over RS485 daisy-chained 2-wire. The communication on the bus seems to be destroyed with Schneider PM750 connected.
This link shows the shield connection to the PM750: ...
> Where are the terminating resistors and what value? Resistors are placed at the cable ends,...
> It is most likely a grounding issue - that the 2 vendors approached the 'reference signal to...
By Harvard on 15 September, 2014 - 11:45 am -
Two points: 1. RS485, technically speaking, is a 3 wire system, A, B and COMMON. But the...
Some notes: > They are interconnected through daisy-chain 2-wire RS485 The shield and...
By Lynn August Linse on 15 September, 2014 - 9:51 am -
It is most likely a grounding issue - that the 2 vendors approached the 'reference signal to...
from the opc department...Communication between Triconex PLC and Matrikon OPC Server Using TCM Module
Issue with Communication between Triconex PLC for SOE and Matrikon OPC server using TCM Module
from the Electrical Engineering department...Communicate ER300P energy meter with PLC
How do I enter programming mode and communicate ER300P meter with PLC SIEMENS 200?
By Ummachan on 13 September, 2014 - 3:03 pm -
I communicated the meter with PLC. Changed the Meter ID using PLC program. The Values or the...
from the Forum department...TDC 3000 Remote Station Hanging
Remote Honeywell ES-T hangs with the RPS kit. Is it possible to extend the LCN using fiber without using obsolete Honeywell equipment?
from the Power Generation department...Getting a better understanding of GT control PART 3
Getting a better understanding of GT control PART 3
By kath746 on 10 September, 2014 - 8:39 pm -
I agree! Thanks for very informative discussion here. Anyway if you are looking for different types...
from the Modbus RTU Slave Simulation department...Modbus RTU 2 slaves simulator
How to simulate two Modbus RTU Slaves
ModMultiSim (see http://wingpath.co.uk/modbus/modmultisim.php) can simultaneously simulate two (or...
By Harvard on 7 September, 2014 - 6:07 pm -
I have a generic inhouse Modslave.EXE application that responds to any Modbus Slave address it...
from the Specification department...Redundancy of Byte Count and Quantity
Is there a need for both fields "Byte Count" _and_ "Quantity"?
By Mark on 9 September, 2014 - 10:40 am -
Hello, There are several possibilities. Quantity would normally be the count of data fields...
from the E&I department...Freezing of AB PanelView Plus
Allen Bradley Panelview Plus HMI freezes with a pop-up error message.
To what PLC/SLC is the PanelView connected? Is it DH+? Is the firmware up to date? There were...
By CEO on 4 September, 2014 - 7:37 am -
We are an equipment builder, and see this with a recent customer. It happens late in the day, and...
from the Instrumentation department...Local Fault on SLC 500
Local fault indication on our SLC 500
By Casualguy on 4 September, 2014 - 3:38 am -
we have checked it and made sure that the power supply is large enf for the modules.... its been...
from the Forum department...Running Analog Signal
I need help with running analog signal alongside some 110 lines
I agree with allot of the responses so far. If at all possible, try to keep the 4-20ma signal...
By Sam on 2 September, 2014 - 5:58 am -
The shielded, twisted pair cable is a must since that will help prevent any electrical induction....
from the Forum department...Dixell XC645 MODBUS Register
Looking for information about MODBUS to connect to the registers in a Dixell XC645CX regulator
from the Forum department...TCP/IP over Ethernet
Is TCP/IP on ethernet better?
> What does Ethernet port with web server mean? It means that the Ethernet port supports HTML...
What does ethernet port with web server mean? If there is any literature related to that please...
By Steve Myres on 26 August, 2014 - 5:41 pm -
Many PLC's, HMI's, drives, and other automation devices have Ethernet built-in or as an add-on...
from the Instrument department...ALE111 module send failure
Yokogawa ALE111 module communication problem
I have a similar problem. We are using ALE111 Ethernet card with controller ADV10D to communicate...
from the wonderware device intigration department...Communication Between Emerson DeltaV DCS and Wonderware
Communicating through FSGateway between Emerson DCS DeltaV and Wonderware System platform
from the ELECTRICAL PROJECTS department...Replace RS-485 with Siemens Profibus Cable
I am building a Modbus RTU network and am considering replacing RS-485 cable with Siemens Profibus cable. Want to hear from those who have done this.
By PG on 29 August, 2014 - 10:41 am -
Hello, apparently this guys are Siemens Distributors for South America: http://bit.ly/1nJZxLH ...
from the instrumentation department...Difference Between IP and MAC Addresses
What is the difference between IP address and MAC address?
from the Forum department...MODBUS to Lan Convertor
Looking for a MODBUS to Lan convertor.
By ICP- Robert on 28 August, 2014 - 7:35 pm -
We have a series of products called our TDS series. Using 2 of these, you can form a serial data...
It might work. I didn't see any software for configuring it. That type of serial server is...
from the Data Exchange department...Communication between Cimplicity Scada and ABB AC 800 M PLC
How to get data from an ABB AC800M plc to display in Cimplicity SCADA
You may use ABB OPC Server. Refer the Link ...
from the Control department...Profibus to Modbus
Profibus (master)to modbus device on siemens txp
By Tran on 23 August, 2014 - 11:30 pm -
May I get details Please? I have Teleperm XP and want to talk to third party device using Modbus...
from the Forum department...Slave Device Lacks Connection to RS-485 Common Connection
Need to know how a slave device that lacks access to the RS-485 COMMON manage to maintain a Receiver common mode voltage between -7 and +12.
By Harvard on 20 August, 2014 - 8:48 pm -
It has been a long time since I have interfaced to a device with a metal frame, every thing in my...
By MarkW on 20 August, 2014 - 12:18 pm -
Many times 2 wire devices are referenced to frame ground and do not supply a terminal with + and -....
from the Forum department...Sample Program for Twido Suite
sending the value of a register as a SMS message
Pure drivel tends to drive ordinary drivel off of the TV screen.