AutomationDirect DL205 - Page 19

Volume Two:
Table of ConTenTs
xi
DL205 User Manual, 4th Edition, Rev. C
Chapter 6: Drum Instruction Programming (DL250-1/DL260 only) 6–1
Introduction 6–2
Purpose 6–2
Drum Terminology 6–2
Drum Chart Representation 6–3
Output Sequences 6–3
Step Transitions 6–4
Drum Instruction Types 6–4
Timer-Only Transitions 6–4
Timer and Event Transitions 6–5
Event-Only Transitions 6–6
Counter Assignments 6–6
Last Step Completion 6–7
Overview of Drum Operation 6–8
Drum Instruction Block Diagram 6–8
Powerup State of Drum Registers 6–9
Drum Control Techniques 6–10
Drum Control Inputs 6–10
Self-Resetting Drum 6–11
Initializing Drum Outputs 6–11
Using Complex Event Step Transitions 6–11
Drum Instruction 6–12
Timed Drum with Discrete Outputs (DRUM) 6–12
Event Drum (EDRUM) 6–14
Handheld Programmer Drum Mnemonics 6–16
Masked Event Drum with Discrete Outputs (MDRMD) 6–19
Masked Event Drum with Word Output (MDRMW) 6–21