MTS Hydraulic Power Unit Model 506-92 - Manual (Page 29)

Service 3-17
3 . 3 . 3 PLC Service
The programmable logic controller (PLC) in the 506.82/.92 HPU starter
assembly has a fixed controller with both output and input indicators.
These indicators are described in Tables 3-3 and 3-4.
Optional modules with additional output indicators can be added for
remote control of your HPU. These additional output indicators are
described in Table 3-5.
Fixed Controller
Remote Control
Modules (Option)
Output Terminals
Input Terminals
Processor
Status LEDs
Input Status
LEDs
Output Status
LEDs
Figure 3-5. Fixed Controller with Remote Control Modules