1 CHAPTER OVERVIEW
This chapter introduces the PSL (Programmable Scheme Logic) Editor, and describes the configuration of the digital
inputs and outputs. It provides an outline of scheme logic concepts and the PSL Editor. This is followed by details
about allocation of the digital inputs and outputs, which require the use of the PSL Editor. A separate "Settings
Application Software" document is available that gives a comprehensive description of the PSL, but enough
information is provided in this chapter to allow you to allocate the principal digital inputs and outputs.
This chapter contains the following sections:
Chapter Overview 461
Configuring Digital Inputs and Outputs 462
Scheme Logic 463
Configuring the Opto-Inputs 465
Assigning the Output Relays 466
Fixed Function LEDs 467
Configuring Programmable LEDs 468
Function Keys 470
Control Inputs 471
P446SV Chapter 18 - Digital I/O and PSL Configuration
P446SV-TM-EN-1 461
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