Search results with tag "Server communication"
Introduction to Modbus Serial and Modbus TCP
www.ccontrols.comclient and server are used. Clients could be HMIs or PLCs, while servers could be input/output racks. Like a master, clients initiate commands to a server. Like a slave, servers respond to client commands. However, the proper terminology with client/server communications is that clients initiate requests with servers providing responses.
DataMan® Communications and Programming Guide
www.cimtecautomation.comthis corresponds to the DHCP Server communication option. This is the default, you do not have to make any changes. You can also manually configure your DataMan to reside on the same subnet as the PC or the other way round: configure your PC to reside on the same subnet as your DataMan. These options are detailed in the following sections.
MODBUS APPLICATION PROTOCOL SPECIFICATION V1
www.modbus.orgMODBUS is an application layer messaging protocol for client/server communication between devices connected on different types of buses or networks. It is currently implemented using: y TCP/IP over Ethernet. See MODBUS Messaging Implementation Guide V1.0a. y Asynchronous serial transmission over a variety of media (wire : EIA/TIA-232-E, EIA-