Table of Contents
4TGH1367en/06.2010
4.5.2 Cyclical data exchange .............................................................................................................. 25
4.5.3 Correct time control of the FTC470XDP by Modbus RTU commands is required. 25
4.5.4 FTC470XMB communicate with the Modbus RTU Master as "BMS Slave" .............. 26
4.5.5 FTC470XMB communicates as the "BMS Master" with the Modbus RTU Master . 26
4.5.6 Communication between Modbus RTU and BMS ........................................................... 27
5. Installation ................................................................................................................... 31
5.1 Basic configuration ..................................................................................................................... 31
5.2 Mounting and connection of the device ............................................................................ 31
5.2.1 Wiring diagram ............................................................................................................................. 32
6. Function ....................................................................................................................... 33
6.1 Requesting alarm messages .................................................................................................... 34
6.1.1 Number of all alarm messages of a BMS device ............................................................... 34
6.1.2 Requesting alarm messages via the channel number ................................................... 35
6.2 Requesting operating messages ............................................................................................ 39
6.2.1 Number of all operating messages of a BMS device ....................................................... 39
6.2.2 Requesting operating messages via the channel number ........................................... 40
6.3 Requesting measuring values .................................................................................................42
6.3.1 Requesting measuring values via the channel number ................................................ 42
6.4 Taking over or returning the Master function ................................................................... 43
6.4.1 Taking over the Master function ............................................................................................ 43
6.4.2 Returning the Master function ............................................................................................... 44
6.5 Parameterization .......................................................................................................................... 45
6.5.1 Requesting the response values via channel number ................................................... 45
6.5.2 Setting the response values via channel number ............................................................ 47
6.5.3 Requesting the delay on response ........................................................................................ 49
6.5.4 Setting the delay on response ................................................................................................ 49
6.5.5 Requesting the CT type ............................................................................................................. 50
6.5.6 Setting the CT type ..................................................................................................................... 50
6.5.7 Requesting the status of CT monitoring ............................................................................. 51
6.5.8 Setting the status of CT monitoring ...................................................................................... 51
6.5.9 Requesting the correction factor for the CT transformation ratio ............................. 52
6.5.10 Setting the correction factor for CT transformation ratio ............................................. 52
6.5.11 Requesting the fault memory ................................................................................................. 53
6.5.12 Setting the fault memory .......................................................................................................... 53
6.5.13 Requesting the operating mode of the alarm relay ........................................................ 54
6.5.14 Setting the operating mode of the alarm relay ................................................................ 54
6.5.15 Requesting the channel function ..........................................................................................55
6.5.16 Setting the channel function ................................................................................................... 55
6.5.17 Requesting the number of measurements per channel ............................................... 56
