FC6A S
ERIES
MICROS
MART
U
SER
’
S
M
ANUAL
FC9Y-B1722 11-47
11: SD M
EMORY
C
ARD
Special Data Registers
■ D8256: Download MQTT Basic Settings from SD Memory Card Execution Information
The allocation of bits in the device (bit assignment) is as follows.
■ D8257: Download MQTT Basic Settings from SD Memory Card Execution Error Information
*1 Status when the data in the files for MQTT Basic Settings cannot be read properly from the SD memory card for a reason such as an error in the
data in the files for MQTT Basic Settings or a specific area on the SD memory card has malfunctioned.
Address Description R/W
D8256
Download MQTT Basic Settings
from SD Memory Card Execution
Information
Information in executing the download of the files for MQTT Basic Settings. For
details, see “D8256: Download MQTT Basic Settings from SD Memory Card
Execution Information” on page 11-47.
R
D8257
Download MQTT Basic Settings
from SD Memory Card Execution
Error Information
Error information in executing the download of the files for MQTT Basic
Settings. For details, see “D8257: Download MQTT Basic Settings from SD
Memory Card Execution Error Information” on page 11-47.
R
Bit
15
Bit
0
Bit
7
Bit
8
Reserved
0 (fixed)
Reserved
0 (fixed)
Download/upload Direction
1: Download
Execution Trigger
1: Power-up
2: Special Device
D8256
D8257
(Error Code)
Description M8273 ROM Status
0 Normal termination OFF Refreshed
1
M8271 (Download MQTT Basic Settings from SD Memory Card Execution Flag) was
turned on when an SD memory card was not inserted.
ON Not refreshed
2 The SD memory card is write protected. ON Not refreshed
3 Invalid SD memory card format. ON Not refreshed
4
M8271 (Download MQTT Basic Settings from SD Memory Card Execution Flag) was
turned on when there is no mqtt_basic_settings.ini file on the SD memory card.
ON Not refreshed
5
In the mqtt_basic_settings.ini file, root_certificate=true was set, but there is no
mqtt_root_certificate.der file on the SD memory card or reading the file failed.
*1
ON Not refreshed
6
In the mqtt_basic_settings.ini file, client_certificate=true was set, but there is no
mqtt_client_certificate.der file on the SD memory card or reading the file failed.
*1
ON Not refreshed
7
In the mqtt_basic_settings.ini file, client_private_key=true was set, but there is no
mqtt_private_key.der file on the SD memory card or reading the file failed.
*1
ON Not refreshed
8
Attempted to save mqtt_root_certificate.der file to the SD memory card, but the file
size is invalid.
ON Not refreshed
9
Attempted to save mqtt_client_certificate.der file to the SD memory card, but the
file size is invalid.
ON Not refreshed
10
Attempted to save mqtt_private_key.der file to the SD memory card, but the file size
is invalid.
ON Not refreshed
11 Writing the files for MQTT Basic Settings failed. ON Undefined
12 Reading the mqtt_basic_settings.ini file failed.
*1
ON Not refreshed