Blocks For Logical Functions; Logical And - Siemens Simatic RTU303xC Series Operating Instructions Manual

● True
With this setting, the value 1 is always used for block processing.
● False
With this setting, the value 0 is always used for block processing.
● STATUS_ERROR
The input is only evaluated in block processing when a diagnostics message of the class
"ERROR" or "FATAL" is generated.
When the cause of the error has been eliminated, the value of the input is reset to zero.
Settings of output parameters
- empty (no entry) -
●
Default for required outputs of a block
If the output is not configured, no value is output during block processing.
● Unused
Default for optional or alternative outputs of a block
If the output is not configured, the configuration cannot be adopted.
5.4

Blocks for logical functions

5.4.1

Logical AND

Function
At least one input must be activated so that the block is processed.
The output of the block is set to 1, when all configured inputs are set to 1 at the same time.
If one or more activated inputs is set to 0, the output is set to 0.
RTU303xC
Operating Instructions, 06/2019, C79000-G8976-C382-06
Program blocks
5.4 Blocks for logical functions
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