A
System Registers Lists
A-2
A System Registers Lists
A.1 System Service Registers
( 1 ) Shared by All Drawings
* Does not include when MPE720 version 2.75 or earlier is used to execute a batch load or to clear the memory
before starting the CPU Module.
( 2 ) DWG.H Only
The following relays begin operation at the start of the high-speed scan.
Name Register No. Remarks
Reserved by the system SB000000 (Not used)
High-speed Scan SB000001 ON for only one scan after high-speed scan is started after turning ON the power supply.
Reserved by the system SB000002 (Not used)
Low-speed Scan SB000003 ON for only one scan after low-speed scan is started after turning ON the power supply.
Always ON SB000004 Always ON (= 1)
High-speed scan 2 SB000005
ON for only one scan after the start of a high-speed scan that is begun after a CPU Mod-
ule operation starts.
*
Low-speed scan 2 SB000006
ON for only one scan after the start of a low-speed scan that is begun after a CPU Mod-
ule operation starts.
*
High-speed Scan Flag SB000007 ON during execution of the high-speed scan.
Reserved by the system
SB000008 to
SB00000F
(Not used)
Name Register No. Remarks
1-scan Flicker Relay SB000010
0.5-s Flicker Relay SB000011
1.0-s Flicker Relay SB000012
2.0-s Flicker Relay SB000013
0.5-s Sampling Relay SB000014
1.0-s Sampling Relay SB000015
2.0-s Sampling Relay SB000016
60.0-s Sampling Relay SB000017
1.0 s After Start of Scan Relay SB000018
2.0 s After Start of Scan Relay SB000019
5.0 s After Start of Scan Relay SB00001A
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