Manual BG41/BG42/BG43 Interface modules
Rev. 99/49 3-67
Command 3 - Setting of the mode
When setting the mode two further bytes are transferred as an argument.
Fig. 3-47: Setting of the mode for the analogue input/output with command 3
Bit 3 is used as the control bit for block commands.
If this bit is set at one, this command applies to all lines.
Offset: The offset carries out a zero balance (11 bits signed). D11= Sign
The mode bits are occupied as follows:
Bit 7 is not defined and should be set to 0.
Bit 6 (M) 0 no bottom limit for current measurement
1 bottom limit 4 mA
Bit 5 (S) 0 binary depiction from Wandler (Range from -2048...+2047 or 0...4095)
1 normalised depiction in [mV] or [µA]
(dependant on the module and how it is set)
Bit 4 (V) 0 signed
1 unsigned
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