There are two separate representations of the Roclink “registers” called TLPs (Type/Logical/Parameter). They can be viewed as either Text such as AIN A1, EU – Analog Input, A1, EU value, or they can be viewed as the more commonly used numeric format 3,0,14. The Roclink Protocol Manual will use the [...]
When interfacing with remote devices via cellular modems the cell modem essentially acts as a serial bridge. From your computer over the internet to the Internet to the remote device. Sierra Wireless modems (http://www.sierrawireless.com/productsandservices/AirLink_Gateways_Modems/Intelligent_gateways.aspx) are some of the best in the industry but can be a little complex if you [...]
Most SCADA Integrators and users of modbus are familiar with the X0001 format for modbus registers, However, the true modbus standard is not simply one number it is a function code + register number. Specific devices treat the function codes differently on the front-end. The back end will interpret the 40000 registers [...]
Microhard Corp makes some of the best M2M products on the planet. Configuring your modem for serial pass through is relatively easy and straight-forward. SCADACore offers Microhard modems as an option for the Cellular Communication Packages. The modems that we will cover for setting up serial pass through are: Bullet-3G – Low [...]
Calculating Daylight hours by latitude is essential for properly sizing a battery box and solar panel. There are several other factors that play significant roles in calculating power needed, however, it was difficult to find a simple formula for calculating daylight hours by latitude. The c# code is provided by [...]
The following blog will help give programmers a simple formula for average wind direction and speed. Here is an excel sheet with all averaging examples First a disclaimer: I am not a mathematician. The idea behind this blog is not to teach math it is simply to give the formula [...]
After dealing with some problems with a process control feedback loop or proportional-integral-derivative controller (PID) I thought it would be helpful for other people going through the same problems. We had highly fluctuating pressure so using a Back Pressure Control Valve we set up a feedback look that reading the [...]
SCADACore's Oil & Gas SCADA solution allows our clients to connect to their field operations, anytime, anywhere. SCADACore Live provides enterprise monitoring features such as multi-line trending, alarm callouts, wide-array of industrial device support, and more. With innovative technologies and operational efficiency, SCADACore serves operators, accountants, and engineers of the industry with fully-featured Oil & Gas SCADA solutions with 24 [...]
