I/O Memory Area Attributes - Omron SYSMAC CPM2B-S001M-DRT Operation Manual

Introduction
4-1-2
Area
Input area
(IR 000 to IR 009)
Output area
(IR 010 to IR 019)
CompoBus/S input area
(IR 020 to IR 027)
CompoBus/S output area
(IR 030 to IR 037)
Work areas
(IR 028, IR 029,
IR 030 to IR 049,
IR 220 to IR 227)
SR area
(SR 228 to SR 255)
HR area
(HR 00 to HR 19)
AR area
(AR 00 to AR 23)
LR area
(LR 00 to LR 15)
Timer Completion Flags
(T000 to T255)
Timer PVs
(T000 to T255)
Counter Completion
Flags (C000 to C255)
Counter PVs
(C000 to C255)
DM area
Read/Write
(DM 0000 to DM 1999,
DM 2022 to DM 2047)
Error Log
(DM 2000 to DM 2021)
Read-only
(DM 6144 to DM 6599)
PC Setup
(DM 6600 to DM 6655)
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I/O Memory Area Attributes

Exter- Mode change
nal I/O (to or from
alloca- PROGRAM)
tion
IOM
Hold
Bit
OFF
Yes Clear
Yes Clear
No Clear
No Clear
No Clear
No
No Hold
No
No Clear
No 2
Hold
No 2
Hold
No Hold
No Hold
No Hold
Note 1. The PC Setup setting in DM 6601 bits 08 to 11 determines whether the
IOM Hold Bit is reset (turned OFF) at startup.
2. Timer PVs and Completion Flags are maintained when the CPM2B-S is
switched to PROGRAM mode from RUN mode or MONITOR mode, but
cleared when the CPM2B-S is switched from PROGRAM mode to RUN
mode or MONITOR mode.
Fatal error
FALS(07) Other cause
IOM IOM IOM IOM
Hold Hold Hold Hold
Bit Bit Bit Bit
ON OFF ON OFF
Hold Hold Hold Clear
Hold Hold Hold Clear
Hold Hold Hold Clear
Hold Hold Hold Clear
Hold Hold Hold Clear
Hold Hold Hold Hold
Hold Hold Hold Clear
2 Hold Hold Hold
Hold
2 Hold Hold Hold
Hold
Hold Hold Hold Hold
Hold Hold Hold Hold
Hold Hold Hold Hold
Startup (Power ON)
Reset IOM Maintain IOM
1
Hold Bit Hold Bit
IOM IOM IOM IOM
Hold Hold Hold Hold
Bit Bit Bit Bit
ON OFF ON OFF
Hold Clear Clear Clear
Hold Clear Clear Clear
Hold Clear Clear Clear
Hold Clear Clear Clear
Hold Clear Clear Clear
Hold Hold Hold Hold
Hold Clear Clear Clear
Hold Hold Hold Hold
Hold Hold Hold Hold
Hold Hold Hold Hold
Hold Hold Hold Hold
Hold Hold Hold Hold
Section 4-1
Force
Set,
Force
1
Reset
IOM
Hold
Bit
ON
Hold OK
Hold OK
Hold OK
Hold OK
Hold OK
Hold OK
OK
Hold OK
Hold OK
Hold No
Hold OK
Hold No
Hold No