VIPA SSM-BG41, Manual

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Manual BG41/BG42/BG43 Interface modules
Rev. 99/49 3-53
MODE Bit number 0 = 0 signed
1 unsigned
1 = 0 binary representation from Wandler -2048...2047
(0...4095)
1 normalised representation in mV or mA
2 = 0 no bottom limit for current measurement
1 bottom limit 4 mA
OFFS
Offset to the zero point of the input/output
FEHL This byte has a value of 0, if functioning correctly. In the case of a malfunction an
error code is entered. The error is acknowledged automatically, i.e. the byte is
reset to 0 once the cause of the error has been eliminated.
1 Building block not ready
2 Building block does not answer
3.2.9.5.3 FB52 (ANA_IN), reading of analogue value
With this data handling block FB52 (ANA_IN) an analogue input can be read.
The following paramters are to be transferred when loading FB52:
Des. Format Explanation
ADR KF Peripheral base address of the building
block
K/EI KY Number of channels / analogue input
WERT W Output value
FEHL BY Error byte
Tab. 3-10: List of parameters for the loading of FB52
The following details are necessary for the abovementioned parameters:
ADR
(peripher) Input of the peripheral address, under which the building block can be controlled
by the PLC. This address can be set with the DIL switches S1 and S2. Further
details can be found in chapter 5.
K/EI K: Number of channels to which the module is connected (1-3).
EI: Number of analogue inputs (1-8)
WERT Flag word, in which the analogue value is filed.
FEHL
This byte has a value of 0, if functioning correctly. In the case of a malfunction an
error code is entered. The error is acknowledged automatically, i.e. the byte is
reset to 0 once the cause of the error has been eliminated.
1 Building block not ready
2 Building block does not answer