
B-62714EN/04 OPERATION 2.LCD-MOUNTED TYPE 16i/18i/21i-A, Power Mate i-D/H
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Diagnostic data
When the DPL/MDI operation package is used with PMi-D/H, check
the communication status for user visual check of the slave function
according to the diagnostic data below.
8100 DI byte length
[Data type] Word
[Valid data range] 0 to 00FF
[Data] Hexadecimal representation of a communication line error detected
by the slave station
bit 7bit 6bit 5bit 4bit 3bit 2bit 1bit 0
Bits 7 to 5: Reserved (0 at all times)
Bit 4: Abort detection
Bit 3: CRC error detection
Bit 2: Overrun error detection
Bit 1: Detection of data consisting of an incorrect number of bits
Bit 0: Receive buffer overflow
NOTE
Many errors are caused by hardware failures (on
communication boards or communication cables)
and noise. Recheck the method of communication
cable connection, terminating resistor, and noise
protection.
8101 LINK STATUS 1
[Data type] Word
[Data] The link information of the first station is indicated.
ON : 255 is indicated because this corresponds to FF.
OFF : 0 is indicated.
ER?? : The hexadecimal value 00?? is represented in decimal. For
example, 0063 is represented as 99.
Blank : When no connection is made
8102 LINK STATUS 2
[Data type] Word
[Data] The link information of the second station is indicated.
Information is indicated in the same format as for the first station.
8103 LINK STATUS 3
[Data type] Word
[Data] The link information of the third station is indicated.
Information is indicated in the same format as for the first station.