31.1 Controlling External I/O
31.2 Settings Guide
31.3 Controlling External I/O with the Display Unit's Internal DIO
31.4 Using FLEX NETWORK External I/O
31.5 Controlling External I/O with LT
    31.5.1 Mapping I/O (LT Series)
       31.5.1.1 Setting the Standard I/O, High Speed Counter, PWM Output and Pulse Output
       31.5.1.2 Combining Standard I/O and Special I/O
       31.5.1.3 Special I/O System Variables
    31.5.2 Interface Specifications (LT Series)
    31.5.3 Standard Input (LT Series)
    31.5.4 Standard Output (LT Series)
    31.5.5 High Speed Counter (Common, LT Series)
    31.5.6 High Speed Counter (Single-phase Settings, LT Series)
    31.5.7 High Speed Counter (2-phase Settings, LT Series)
    31.5.8 PWM Output (LT Series)
    31.5.9 Normal Pulse Output (LT Series)
    31.5.10 Acceleration/Deceleration Pulse Output (LT Series)
    31.5.11 Pulse Catch (LT Series)
    31.5.12 I/O Driver Settings Guide - STD Driver
    31.5.13 Error Information (LT Series)
    31.5.14 Restrictions
31.6 Controlling I/O in LT3000 Series and EX Modules
31.7 Controlling External I/O with CANopen
31.8 Controlling External I/O in the LT3000 Series and AnyWire Master Unit