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Application of the internal OPC server
66
8.3.4
Monitoring of the compiled BMS addresses, BMS channels and items
1. Select "DA Items" using the respective tab.
2. The numerical values referring to the items already selected will be displayed in the column "Value".
Interpretation:
Value-Item = 30 ==> Numerical value 30 (BMS data value)
Type-Item = 55 ==> Residual current in mA (BMS data type)
Alarm-Item = 1 ==> Alarm message (BMS alarm)
The BMS device with address 5 provides an alarm message on channel 2:
The measured residual current has exceeded or has fallen below a predefined response value.
The second value triple shows the same residual current, but no alarm message. On channel 4, the
measured residual current lies within the tolerances relating to a second response value (discrimina-
tor circuit).
The relationship between Type-Item and BMS data type
A "Type-Item" is the type of fault that initiated an alarm. It corresponds to the BMS data value
and is listed in the table "alarm messages" on page 67.
3.
Summary of Contents for FTC470XET
Page 10: ...Safety instructions 10 TGH1375en 02 2010...
Page 18: ...The FTC470XET protocol converter 18 TGH1375en 02 2010...
Page 56: ...Web server application examples 56 TGH1375en 02 2010...
Page 78: ...Technical data 78 TGH1375en 02 2010...
Page 80: ...Frequently asked questions 80 TGH1375en 02 2010...
Page 83: ......