Technical data

6-102 Bosch Rexroth AG | Electric Drives and Controls Rexroth VCP-Operating Concept | R911305038 / 01
DIN Measurement Bus
Timeout for Order Reply
The slave starts a timer whenever data is required from the controller.
This timer checks whether or not the slave terminal has been polled by
the master and whether a reply from the bus master has been received
during this period. If not using timeout monitoring, you must enter the
value 0. The absolute timer value depends on the numbers of stations
on the network. But it should be roughly between 2,000 and 5,000 milli-
seconds.
Timeout for Cache Update
Since the receiver cannot acknowledge the broadcast service, the
slave terminal uses a timeout to monitor the exact time when broadcast
data was received. This ensures that the local cache data is not from
any "random time in the past". The value of this timeout depends on
the cache update time of the bus master (see gateway parameters).
Slave Number
This parameter specifies the slave number for the relevant slave termi-
nal. To be able to load the same mask definition into all slave terminals,
you can enter an invalid slave number here. You must then use the
system variable ComSlaveNr. in the setup mask during runtime to set a
correct slave number. Any invalid values will be set to the value 255
(OxFF) at terminal startup.
Configurable
Values
Default Value
0 ms to 65000 ms 2000 ms
Fig. 6-158: Timeout for order reply, DIN Measurement Bus slave
Configurable
Values
Default Value
0 ms to 65000 ms 10000 ms
Fig. 6-159: Timeout for cache update, DIN Measurement Bus slave
Configurable
Values
Default Value
1 to 31ms 0
Fig. 6-160: Slave number, DIN Measurement Bus slave