Operation and setting
58
IRDH275_D00122_02_M_XXEN/10.2016
6.6 Menu COM SETUP: Setting the BMS interface
6.6.1 Bus address „Addr:“ (IRDH275B)
This menu item is used to set the BMS bus address of the IRDH275. Since there
are several ISOMETERs in one system, take care that the bus address is not as-
signed twice.
The device is factory set to address 3 and hence acts as a slave.
6.6.2 ISOnet function (IRDH275B)
In the ISOnet = ON sub menu of the COM SETUP, the ISOnet function can be
set. The ISOnet function of all ISOMETERs existing in the system must be in
"ON" position.
A BMS Master with the ISOnet function activated, controls the ISOnet slave de-
vices via the BMS bus. If an ISOMETER
®
has completed the measuring cycle,
the permission for insulation measurement is given from the ISOnet Master to
the next slave. During the measurement process carried out by an ISOMETER
®
,
all other ISOMETER
®
s are in the STANDBY mode.
If several IRDH275 are operated on one BMS bus, the
addresses of other ISOMETER
®
s must be assigned one after
the other, since only one device may represent the Master.
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