IDEC SmartAXIS Touch FT1A Series, User Manual

Page: 1132 / 1232

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
M8122
50msec 50msec
100msec
M8123
5msec 5msec
10msec