IFM Electronic Ecomot100 CANcom III Handbuch Seite 75

Contents:
PDO type:
Data direction:
Comment:
Data byte Parameter
0 Acknowledge-
ment
1 Data length
high
2 Data length
low
3 - 7 —
Contents:
PDO type:
Data direction:
Comment:
Data byte Parameter
0 Error message
1 Error type
2 - 7 —
Acknowledgement
CANcom-Data-PDO
CANcom → Master
Contains the number of the user data so far received by
the transmitter during a segmented data transmission
Meaning
Identifier for
acknowledge-
ment
Number of the
bytes (high)
received so far
Number of the
bytes (low)
received so far
—
Error message segmented data transmission
CANcom-Data-PDO
CANcom → Master
Cause of an incorrect segmented data transmission
Meaning
Identifier for
error message
Cause of the
incorrect data
transmission
—
Value
2
0
Value
3
0 = incorrect
block size
1 = During the
reception of a
data block a
timeout has
occurred
2 = The contents of
the received
acknowledgement
are not correct
3 = During the
transmission of a
data block
a timeout has
occurred
0
CAN CR310
COM X
Comment
not required
Comment
• max. 8192 bytes
for transmission
data
• max. 30 bytes for
phone/fax number
• max. 60 bytes for
e-mail address
The remote station
must transmit the
next data message
within 2.5 s after
reception of an
acknowledgement
Acknowledgement
must contain the
number of the data
bytes so far received
The remote station
must transmit the
acknowledgement
within 2.5 s after
reception of a
data message
not required
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