APPENDICES
Appendix 2 Special Register List
App - 72
9
Parameters
10
Device Explanation
11
CPU Module Processing
Time
12
Procedure for Writing
Program to CPU ModuleAppendicesIndex
(10)Remote password count
*1: This applies to the QnUDE(H)CPU.
TableApp.29 Special register
Number Name Meaning Explanation
Set by
(When Set)
Corres-
ponding
ACPU
D9
Corresponding
CPU
SD979
Direct
MELSOFT
connection
Count of unlock
processing
failures
Stores the count of unlock processing failures.
Range: 0 to FFFE
H (FFFFH when the limit is exceeded)
S (Status
change)
New
QnU
*1
SD980
to
SD995
Connection 1 to
16
SD997
MELSOFT
connection
using UDP port
SD998
MELSOFT
connection
using TCP port
SD999
FTP
communication
port