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4.2 CPU Module Specifications
4.2.7 System Register Specifications
4-13
4
S
pecification
s
Details
This section gives details on the system registers.
System Service Registers
The data in these registers give the execution status and specifications of the programs. The
System Service Registers are reset to zero when the system is started.
Shared by All Drawings
SW16200 to
SW17999
Alarm History Information
SW18000 to
SW19999
Reserved for system.
−
SW20000 to
SW22063
Product Information
SW22064 to
SW23999
Reserved for system.
−
SW24000 to
SW24321
Data Logging Execution Status
SW24322 to
SW24999
Reserved for system.
−
SW24400 to
SW24719
FTP Client Status and Controls
FTP Client Status and Control Information
SW25000 to
SW25671
Automatic Reception Status for Ethernet
Communications
Automatic Reception Status for Ethernet Com-
SW25672 to
SW27599
Reserved for system.
−
SW27600 to
SW29775
Maintenance Monitor
Maintenance Monitor Information
SW29776 to
SW65534
Reserved for system.
−
Register Address
Name
Remarks
SW00000
SB000000
Reserved for system.
−
SB000001
High-speed Scan
ON for only the first scan after high-speed scan
is started.
SB000002
Reserved for system.
−
SB000003
Low-speed Scan
ON for only the first scan after low-speed scan is
started.
SB000004
Always ON
Always ON (set to 1).
SB000005
High-speed Scan 2
Only ON for one scan when the high-speed scan
starts after the CPU Module is changed to RUN
Mode.
SB000006
Low-speed Scan 2
Only ON for one scan when the low-speed scan
starts after the CPU Module is changed to RUN
Mode.
SB000007
High-speed Scan in Prog-
ress
1: High-speed scan in progress
SB000008
MP2000 Option Service
Executing
ON (set to 1) during service scan for the
MP2000-series Optional Modules.
SB000009 to
SB00000F
Reserved for system.
−
Continued from previous page.
Register
Address
Contents
Details