Delta AH500 - Page 32

Chapter 2 Devices
2-13
SM Function
CPU5X0-RS2
CPU5X0-EN
CPU5X1-RS2
CPU5X1-EN
CPU560-EN2
OFF

ON
STOP

RUN
RUN

STOP
Attribute
Default
SM108
The receiving of data through COM1 is
complete.
○ × ○ ○ × – – – R/W OFF
SM109
The receiving of data through COM2 is
complete.
○ × ○ × ○ – – – R/W OFF
*SM204
All non-latched areas are cleared.
○
○
○
○
×
OFF
–
–
R/W
OFF
*SM205
All latched areas are cleared.
○
○
○
○
○
OFF
–
–
R/W
OFF
SM206
Inhibiting all output
○
○
○
○
○
OFF
–
–
R/W
OFF
*SM209
The communication protocol of COM1 changes
(in accordance with SM210, SR201, SR209,
and SR215).
○ ○
○ ○ ○
OFF – – R/W OFF
*SM210
Choice made by COM1 between the ASCII
mode and the RTU mode
ON: The RTU mode
○ ○
○ ○ ○
OFF – – R/W OFF
*SM211
The communication protocol of COM2 changes
(in accordance with SM212, SR202, SR212,
and SR216).
○ ×
○ × ○
OFF – – R/W OFF
*SM212
Choice made by COM2 between the ASCII
mode and the RTU mode
ON: The RTU mode
○ ×
○ × ×
OFF – – R/W OFF
SM215
Running state of the PLC
○
○
○
○
×
OFF
ON
OFF
R/W
OFF
SM220
Calibrating the real-time clock within ±30
seconds
○ ○
○ ○ ○
OFF OFF – R/W OFF
*SM400 The flag is always ON when CPU runs. ○ ○
○ ○ ○
ON ON ON R ON
*SM401 The flag is always OFF when CPU runs. ○ ○
○ ○ ○
OFF OFF OFF R OFF
*SM402 The flag is ON only at the first scan. ○ ○
○ ○ ○
OFF ON OFF R OFF
*SM403 The flag is OFF only at the first scan. ○ ○
○ ○ ○
ON OFF ON R ON
*SM404
10 millisecond clock pulse during which the
pulse is ON for 5 milliseconds and is OFF for 5
milliseconds
○ ○
○ ○ ○
OFF – – R OFF
*SM405
100 millisecond clock pulse during which the
pulse is ON for 50 milliseconds and is OFF for
50 milliseconds
○ ○
○ ○ ○
OFF – – R OFF
*SM406
200 millisecond clock pulse during which the
pulse is ON for 100 milliseconds and is OFF for
100 milliseconds
○ ○
○ ○ ○
OFF – – R OFF
*SM407
One second clock pulse during which the pulse
is ON for 500 milliseconds and is OFF for 500
milliseconds
○ ○
○ ○ ○
OFF – – R OFF
*SM408
Two second clock pulse during which the pulse
is ON for one second and is OFF for one
second
○ ○
○ ○ ○
OFF – – R OFF
*SM409
2n second clock pulse during which the pulse is
ON for n seconds and is OFF for n seconds
The interval n is specified by SR409.
○ ○
○ ○ ○
OFF – – R OFF
*SM410
2n millisecond clock pulse during which the
pulse is ON for n milliseconds and is OFF for n
milliseconds
The interval n is specified by SR410.
○ ○
○ ○ ○
OFF – – R OFF
*SM418
Port 2 connection status of backplane 1 (main
backplane)
× × ○ ○ ○
OFF – – R OFF
*SM420
Port 2 connection status of backplane 2 (1
st
redundant extension backplane)
× × ○ ○ ○
OFF – – R OFF