Special I/O Unit Area; Devicenet Area - Omron NSJ CONTROLLERS - 03-2008 Operation Manual

I/O Memory
Display Section Error
Status
6-3-3

Special I/O Unit Area

6-3-4

DeviceNet Area

Word Bit
CIO 1902 00 ON: Controller Section
OFF: Controller Section
01 ON: Routing table error
OFF: Routing tables normal
02 to 15 Reserved by system.
The Special I/O Unit Area contains 960 words with addresses ranging from
CIO 2000 to CIO 2959. Words in the Special I/O Unit Area are allocated to
CJ-series Special I/O Units to transfer data such as the operating status. Each
Special I/O Unit is allocated 10 words based on its unit number, as shown in
the following table.
In the NSJ Controller, the Display Section uses unit number 21 for the Screen
Transfer Unit. Do not use unit number 21 for any other Special I/O Unit.
Unit number Allocated words
0 CIO 2000 to CIO 2009
1 CIO 2010 to CIO 2019
2 CIO 2020 to CIO 2029
3 CIO 2030 to CIO 2039
.
.
.
21: Reserved by CIO 2210 to CIO 2219
the system.
.
.
.
93 CIO 2930 to CIO 2939
94 CIO 2040 to CIO 2049
95 CIO 2950 to CIO 2959
The DeviceNet Area consists of 600 words from CIO 3200 to CIO 3799.
Words in the DeviceNet Area are allocated to slaves for DeviceNet remote I/O
communications when fixed allocations are used for the built-in DeviceNet
master.
When the master in the DeviceNet Section is used, words are allocated to
slaves using fixed allocations according to fixed allocation settings 1, 2, and 3.
One of these fixed areas is selected.
Area
Fixed Allocation Area 1
Fixed Allocation Area 2
Fixed Allocation Area 3
Settings
Turns ON when cyclic servic-
cyclic monitoring error ing by the Controller Section
is not performed for a specific
period of time.
cyclic monitoring nor-
mal
Turns ON when the routing
tables read from the Control-
ler Section have an error.
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.
.
.
.
.
.
Output Area
(master to slaves)
CIO 3200 to CIO 3263
CIO 3400 to CIO 3463
CIO 3600 to CIO 3663
Section 6-3
Description
Input Area
(slaves to master)
CIO 3300 to CIO 3363
CIO 3500 to CIO 3563
CIO 3700 to CIO 3763
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