6 Object dictionary for XN-312-GW-CAN gateway
6.8 Process input data transmission
Gateway XN-312-GW-CAN 06/16 MN050003-EN
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99
Table 33:
Description of COB-ID entry (sub-index 01
hex
)
Transmission type:
Sub-index 02
hex
can have the following values:
Table 34:
Description of transmission type
The "minimum inhibit time" parameter
The "inhibit time" parameter can be used to define an inhibit time between
two transmissions in order to prevent high-priority messages from taking
over the bus completely.
Sub-index 03
hex
is used to define the inhibit time as a multiple of 100
μ
s.
However, since the XN-312-GW-CAN gateway's internal clock has a resolu-
tion of 1 ms, inhibit time values smaller than 10
х
100
μ
s should not be used.
The "maximum pause between two transmissions" parameter
Sub-index 05
hex
is used to define the time by which a TPDO must be trans-
mitted at the latest even if there is no other event causing a transmission.
When the event timer elapses, this will be detected as an event. However,
any time an event causes a transmission, the event timer will be reset and
restart.
The object's value will be interpreted as a multiple of 1 ms.
Bit number
Value
Meaning
31 (msb)
0
PDO exists / is valid
1
PDO does not exist / is invalid
30
0
RTR allowed for this PDO
1
RTR not allowed for this PDO
29
0
11-Bit-ID (CAN 2.0A) (standard application)
1
29-Bit-ID (CAN 2.0B)
28 to 11
0
if Bit 29=0 (standard application)
X
If bit 29 = 1: Bits 28 to 11 of COB-ID
10 to 0 (lsb)
X
Bits 10 to 0 of COB-ID
Transmission Type
PDO transmission
Cyclic
Acyclic
Synchro-
nous
Asynchro-
nous
Upon RTR only
0
X
X
1
X
X
2 to 252
reserved
253
X
X
254
reserved
255
X
Содержание XN-312-GW-CAN
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