IDEC MICROSmart FC6A-C16K1CE, Руководство по связи, Страница: 183 / 252

FC6A S
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ICRO
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MART
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OMMUNICATION
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ANUAL
FC9Y-B1730 8-15
8: J1939 C
OMMUNICATION
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Receive Message tab
This tab configures the messages that the CAN J1939 All-in-One Type receives from the CA selected in the CA list.
(1) Device Settings
Sets the data registers that will be used by the received messages.
S1 (Control Register)
Sets the starting address of the data registers that will store the receive results.
Settings Description
Tag Name Specifies the tag name of the device or the device address.
Device Address Shows the device address that corresponds to the tag name.
Comment Shows the comment for the device address. This item can be edited.
Storage
Destination
Item Description
Starting 0 Received data length
This register stores the length of the received message data.
If the message that will be received exceeds 8 bytes, a multi-
packet message split into 8-byte packets will be received. After
the multi-packet message has finished being received, the split
data is combined and stored in the data storage destination.
If the length of the received message data is longer than the
maximum data length, the maximum data length is stored and
100 is stored in the receive results status.
Starting 1 Reserved
Starting 2 Receive results status
This register stores the receive results. To initialize this register,
write "0".
For details on the receive results status, see "Receive results
status" on page 8-16.
Starting 3
Receive action flag Stores the action flag for receiving.
Bit 0 Receive buffer overwrite flag
When the internal receive buffer was overwritten by the next
message before the message data stored in the receive buffer
could be written to the data storage destination, this register
turns on for one scan.
Bits 1 to 15 Reserved
Starting 4 Reserved
(1)
(2)
(3)
(4)