1 Bit Devices
27-8 SmartAXIS Touch User's Manual
*1 Read only
Device
Address
Description
CPU
Stopped
Power
OFF
Read/
Write
Ladder
FBD
M8122
100-msec Clock
M8122 always generates clock pulses in 100 milliseconds increments,
whether M8001 is on or off, with a duty ratio of 1:1 (50 milliseconds on
and 50 milliseconds off).
Operating Cleared Read YES YES
M8123
10-msec Clock
M8123 always generates clock pulses in 10 milliseconds increments,
whether M8001 is on or off, with a duty ratio of 1:1 (5 milliseconds on
and 5 milliseconds off).
Operating Cleared Read YES YES
M8124
Timer/Counter Preset Value Changed
When timer or counter preset values are changed, M8124
turns on. When a ladder program or FBD program is
downloaded to the Touch or when the changed timer/counter
preset value is cleared, M8124 turns off.
Maintained
Cleared Read YES YES
M8125
In-operation Output
M8125 remains on while the ladder program is running.
Cleared Cleared Read YES YES
M8126
to 8143
Reserved
M8144
Timer Interrupt Status
When timer interrupt is enabled, M8144 is turned on. When
disabled, M8144 is turned off.
Cleared Cleared Read YES
M8145
to 8147
Reserved
M8150
to 8152
Comparison Result Greater Than
Each bit turns ON in accordance with the results of the
CMP=(Compare(=)) command and ICMP>=(interval comparison)
command.
For CMP=(Compare(=)) command: M8150 = S1>S2, M8151 =
S1=S2, M8152 = S1<S2
For ICMP>=(interval comparison) command: M8150=S2>S1,
M8151=S3>S2, M8152=S1>S2>S3
For details about comparison results of the
CMP=(Compare(=)) and ICMP>=(interval comparison)
commands, refer to "Ladder Editing" in the "SmartAXIS Ladder
Programming Manual".
Maintained
Cleared Read YES
M8153
to 8165
Reserved
M8166
Special Internal Relays for High-Speed
Counter (Group 4/I4)
For details, refer to Chapter 3 “4.7
High-Speed Counter” on page 3-55.
Comparison Output Reset
Cleared Cleared
Read/
Write
YES
YES
*1
M8167 Gate Input
Maintained
Cleared
Read/
Write
YES
YES
*1
M8170 Reset Input
Maintained
Cleared
Read/
Write
YES
YES
*1
M8171
Comparison ON Status Maintained
Cleared Read YES YES
M8172 Overflow
Maintained
Cleared Read YES YES
M8173
Special Internal Relays for High-Speed
Counter (Group 5/I5)
For details, refer to Chapter 3 “4.7
High-Speed Counter” on page 3-55.
Comparison Output Reset
Cleared Cleared
Read/
Write
YES
YES
*1
M8174 Gate Input
Maintained
Cleared
Read/
Write
YES
YES
*1
M8175 Reset Input
Maintained
Cleared
Read/
Write
YES
YES
*1
M8176
Comparison ON Status Maintained
Cleared Read YES YES
M8177 Overflow
Maintained
Cleared Read YES YES
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