• Latch and unlatch instructions will hold outputs on, even when the power is turned off.
• Timers can delay turning on or off. Retentive timers will keep values, even when inactive. Resets are needed for retentive timers.
• Counters can count up or down.
• When timers and counters reach a preset limit the DN bit is set.
• MCRs can force off a section of ladder logic.