12.10 System Service Registers
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12.10
System Service Registers
This section provides detailed descriptions of the System Service Registers.
Refer to the following section for information on the overall structure of system registers.
System Register Specifications
Refer to the following manual for details on alarm-related registers.
Σ
-7-Series
Σ
-7C SERVOPACK Troubleshooting Manual (Manual No.: SIEP S800002 07)
The data stored in the System Service Registers give the execution status and specifications of
the programs. The System Service Registers are reset to zero when the system is started.
•
All Drawings
Register Address
Name
Remarks
SW00000
SB000000
Reserved.
−
SB000001
High-speed (H) Scan
ON for only the first scan after high-speed scan
is started.
SB000002
Reserved.
−
SB000003
Low-speed (L) Scan
ON for only the first scan after low-speed scan is
started.
SB000004
Always ON
Always ON (1).
SB000005
High-speed (H) Scan 2
Only ON for one scan when the high-speed scan
starts after the CPU changes to RUN Mode.
SB000006
Low-speed (L) Scan 2
Only ON for one scan when the low-speed scan
starts after the CPU changes to RUN Mode.
SB000007
High-speed Scan in Prog-
ress
1: High-speed scan in progress.
SB000008
MP2000 Option Service
Executing
ON (1) during the service scan for the MP2000-
series Option Modules.
SB000009 to
SB00000F
Reserved.
−
