Scada Interface - Motorola MOSCAD 68P02958C00-B User Manual

Host
Computer
IP Gateway
ToolBox
(over IP)
MOSCAD
Programming
ToolBox
(over IP)
Figure 2-5: Typical Configuration, MDLC via Private DataTac radios.
The picture above shows a typical system which supports MDLC communication over RDLAP
(DataTac) radios. Note that the IP Gateway is configured as RDLAP (DataTac) reflector. A
host computer attached to the Ethernet can receive TCP/IP applications from non-MOSCAD
terminals on existing RDLAP (DataTac) systems, if required. A MOSCAD Programming
ToolBox can be connected to one of the RTUs, and can access another RTU by using its Site
ID and Link ID. ToolBox can also be attached to one of the serial ports of the IP Gateway.

SCADA Interface

Client-Server environment
The SCADA application for the IP Gateway is based on a client-server approach.
The IP Gateway application acts as a server while the SCADA Interface acts as a client. In
such a relationship, the SCADA Interface must establish the connections with the IP Gateway
needed for communicating with the MOSCAD RTUs.
After the connections have been established, the SCADA Interface can send data, commands,
and polling requests to the field RTUs. It can also establish a special connection that enables
SCADA Central
LINE 1
RS232
IP Gateway
with
Reflector
Private DataTAC Radio
RS232
RS232
MOSCAD
RTU
2-7
Ethernet
IP Cloud
RNC
RF System
MOSCAD-L
System Overview
Private DataTAC Radio
RS232
RTU