DL205 User Manual, 4th Edition, Rev. B
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Chapter 3: CPU Specifications and Operations
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Auxiliary Functions
Many CPU setup tasks involve the use of Auxiliary (AUX) Functions. The AUX Functions
perform many different operations, including clearing ladder memory, displaying the scan
time, copying programs to EEPROM in the handheld programmer, etc. They are divided into
categories that affect different system parameters. Appendix A provides a description of the
AUX functions.
You can access the AUX Functions from DirectSOFT or from the DL205 Handheld
Programmer. The manuals for those products provide step-by-step procedures for accessing
the AUX Functions. Some of these AUX Functions are designed specifically for the Handheld
Programmer setup, so they will not be needed (or available) with the DirectSOFT package.
The following table shows a list of the Auxiliary functions for the different CPUs and the
Handheld Programmer.
NOTE: The Handheld Programmer may have additional AUX functions that are not supported with the
DL205 CPUs.
AUX Function and
Description
230 240 250–1 260 HPP
AUX 6* — Handheld Programmer Configuration
61 Show Revision Numbers
–
62 Beeper On / Off X X X X
65 Run Self Diagnostics X X X X
AUX 7* — EEPROM Operations
71
Copy CPU memory to
HPP EEPROM
X X X X
72 Write HPP EEPROM to CPU X X X X
73
Compare CPU to
HPP EEPROM
X X X X
74 Blank Check (HPP EEPROM) X X X X
75 Erase HPP EEPROM X X X X
76
Show EEPROM Type
(CPU and HPP)
X X X X
AUX 8* — Password Operations
81 Modify Password
–
82 Unlock CPU
–
83 Lock CPU
–
AUX Function and
Description
230 240 250–1 260
AUX 2* — RLL Operations
21 Check Program
22 Change Reference
23 Clear Ladder Range
24 Clear All Ladders
AUX 3* — V-Memory Operations
31 Clear V Memory
AUX 4* — I/O Configuration
41 Show I/O Configuration
42 I/O Diagnostics
44
Power-up I/O
Configuration Check
45 Select Configuration
46 Configure I/O X X
AUX 5* — CPU Configuration
51 Modify Program Name
52 Display / Change Calendar X
53 Display Scan Time
54 Initialize Scratchpad
55 Set Watchdog Timer
56 Set CPU Network Address X
57 Set Retentive Ranges
58 Test Operations
59 Bit Override X
5B Counter Interface Config.
5C Display Error History X
Supported
X Not Supported
- Not Applicable
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