Network System Overview
6-31
KVAL 994-X Operation/Service Manual
Network System Overview
A PLC controls the 994-X. The 994-X PLC can process multiple analog and digital inputs, and
output arrangements. The system can handle extended temperature ranges, immunity to electrical
noise, and resistance to vibration and impact.
Figure 6- 39 below, shows the PLC connections in the 990-H. The PLC is located in the Main
Electrical Panel. From the PLC, connections are made to coupler interfaces located near the sec-
tions they control. See your machine’s schematic package for detailed wiring information.
To aid in troubleshooting, the next section shows the locations of the assemblies in the block dia-
gram below.
Frame Remote
Back Section
Remote
FIGURE6- 39. Network Connections Block Diagram
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