DL06 Micro PLC User Manual, 3rd Edition, Rev. E
xiv
Table of Contents
DL06 Micro PLC Error Codes ....................................................................................9–4
Program Error Codes ................................................................................................9–5
CPU Indicators ...........................................................................................................9–6
PWR Indicator ..........................................................................................................9–6
RUN Indicator ..........................................................................................................9–7
CPU Indicator ...........................................................................................................9–7
Communications Problems .......................................................................................9–7
I/O Point Troubleshooting ........................................................................................9–8
Possible Causes ........................................................................................................9–8
Some Quick Steps ....................................................................................................9–8
Handheld Programmer Keystrokes Used to Test an Output Point .............................9–9
Noise Troubleshooting ............................................................................................9–10
Electrical Noise Problems ........................................................................................9–10
Reducing Electrical Noise........................................................................................9–10
Machine Startup and Program Troubleshooting ...................................................9–11
Syntax Check .........................................................................................................9–11
Special Instructions .................................................................................................9–12
Duplicate Reference Check .....................................................................................9–13
Run Time Edits .......................................................................................................9–14
Run Time Edit Example ..........................................................................................9–15
Forcing I/O Points ..................................................................................................9–16
Regular Forcing with Direct Access .........................................................................9–18
Bit Override Forcing ...............................................................................................9–19
Bit Override Indicators ............................................................................................9–19
Reset the PLC to Factory Defaults ...........................................................................9–20
Chapter 10: LCD Display Panel
Introduction to the DL06 LCD Display Panel .........................................................10–2
Keypad .. 10–2
Snap-in installation ..................................................................................................10–3
Display Priority ........................................................................................................10–4
Menu Navigation .....................................................................................................10–5
Confirm PLC Type, Firmware Revision Level, Memory Usage, Etc. .......................10–6
Examining Option Slot Contents ............................................................................10–8
