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Mitsubishi Electric FX5 User Manual page 209

Melsec iq-f series
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Predefined protocol setting data error
When a protocol setting data error was detected, information to identify the error position is stored.
■Predefined protocol setting data error information: Protocol No.
When a protocol setting data error was detected, the number of the protocol where the error has occurred is stored.
Starting from the smallest protocol number, protocols are checked in order, and the number of the protocol where the error
has first been detected is stored.
Device
SD9120
R: Read only
*1 Damaged protocol setting data (failures of the memory built in the CPU memory module or the SD memory card) can be a factor that
causes a setting value to be not identifiable.
Precautions
Do not change the value with program or engineering tool.
■Predefined protocol setting data error information: Setting type
When a protocol setting data error was detected, the setting type number of the protocol where the error has occurred is
stored. This setting is valid when 1 to 64 is set in protocol number (SD9120).
Device
SD9121
R: Read only
*1 Damaged protocol setting data (failures of the memory built in the CPU module or the SD memory card) can be a factor that causes a
setting value to be not identifiable.
Precautions
Do not change the value with program or engineering tool.
■Predefined protocol setting data error information: Packet No.
When a protocol setting data error was detected, the number of the packet where the error has occurred is stored. Starting
from the smallest number of the send packets and receive packets (expected packets), packets are checked in order, and the
packet number of the packet where the error has first been detected is stored. This setting is valid when 0 is set in setting type
(SD9121).
Device
SD9122
R: Read only
*1 Damaged protocol setting data (failures of the memory built in the CPU module or the SD memory card) can be a factor that causes a
setting value to be not identifiable.
Precautions
Do not change the value with program or engineering tool.
Description
0: Normal
1 to 64: Protocol No.
*1
65535: Not identifiable
Description
0: Packet setting or element setting
1: Configuring detailed setting of protocols
*1
65535: Not identifiable
Description
0: Send packet
1: Receive packet
*1
65535: Not identifiable
6 PREDEFINED PROTOCOL SUPPORT FUNCTION
R/W
R
R/W
R
R/W
R
207
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