Programming LOGO!

3.1 Connectors

Note

LOGO! can recognize, read and switch the I/O of all expansion modules regardless of their type. The I/O are presented in the installation order of the modules.

Dependent upon specific LOGO! device series, the following I/O and flag blocks are available for creating your circuit program from LOGO!:

•LOGO! 0BA6

I1 to I24, AI1 to AI8, Q1 to Q16, AQ1 and AQ2, M1 to M27, and AM1 to AM6. Also available are the shift register bits S1 to S8, 4 cursor keys C , C , C and C , four function keys on the LOGO! TD: F1, F2, F3, and F4 as well as 16 blank outputs X1 to X16.

•LOGO! 0BA7

I1 to I24, AI1 to AI8, Q1 to Q16, AQ1 and AQ2, M1 to M27, and AM1 to AM16. Also available are 32 shift register bits S1.1 to S4.8, 4 cursor keys C , C , C and C , four function keys on the LOGO! TD: F1, F2, F3, and F4, as well as 64 blank outputs X1 to X64. If you have previously configured any of the network digital or analog inputs/outputs NI1 to NI64, NAI1 to NAI32, NQ1 to NQ64, and NAQ1 to NAQ16 in your circuit program from LOGO!Soft Comfort, after downloading the circuit program to LOGO!, these network digital or analog inputs/outputs are available in the LOGO!; however, you can not edit the rest of the program from the LOGO!, except for the Par parameter.

See the "Constants and connectors (Page 138)" topic for more details.

The following applies to inputs I1, I2, I7 and I8 of LOGO! 12/24..., LOGO! 24/24o and LOGO! 24C/24Co versions: If you use I1, I2, I7 or I8 in the circuit program, this input signal is digital. If you use AI3, AI4, AI1, or AI2, the input signal is analog. The numbering of the analog inputs is significant: AI1 and AI2 corresponded to I7 and I8 on the 0BA5 module. With the addition of two new analog inputs for the device series 0BA6 and 0BA7, these modules optionally use I1 for AI3 and I2 for AI4. See the graphical representation in the topic on "Maximum setup with expansion and communication modules (Page 34)". Also note that you can also use I3, I4, I5, and I6 as fast digital inputs.

The illustration above with numbered AI inputs shows the conceptual usage of the inputs, not the actual physical markings on the module.

LOGO!'s connectors

The term connector refers to all connections and states in LOGO! .

The digital I/O status can be '0' or '1'. Status '0' means that the input does not carry a specific voltage. Status '1' means that the input does carry a specific voltage.

The 'hi', 'lo' and 'x' connectors have been introduced to make it easier for you to create the circuit program:

'hi' (high) is assigned the status '1', 'lo' (low) is assigned the status '0'.

You do not have to use all of the connectors of a block. The circuit program automatically assigns the unused connectors a status that ensures proper functioning of the relevant block. If you prefer to do so, you can identify unused connectors with an 'x'.

For information on the meaning of the term "block", refer to the topic on "Blocks and block numbers (Page 74)".

LOGO!

 

Manual, 04/2011, A5E03556174-01

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Siemens 6ED1050-1AA00-0BE8 manual LOGO!s connectors
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