Siemens SIMATIC S7-1200 Manuale - Pagina 43

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5 Operating the Application Examples

Figure 5-7

The drop-down menu in the dialog for writing to the holding registers provides

access to all writable holding registers (see

Additionally, you can read all other non-writable registers (blue background) of all

fans to be addressed (1 to "Tags".ebmPapst.lastFan) using the



Device-specific input registers (green font)



Non-writable holding registers (purple font)

Figure 5-8

While all other parameters are being read, the

progress bar display

Reading of the other parameters is a snapshot.

For an update, the action has to be repeated (for example for the operating hours

counter: holding register D009 / D00A).

Use

Holding registers D114/D115 are only shown, when "Save set value" (D103) was

specified.

Note

In order to control the fan via Modbus RTU without any problems, certain holding

registers need to have the corresponding default settings (see chapter 5.2.2)

Controlling several fans (ebm-papst) via Modbus RTU

Entry ID: 109476801,

V2.0,

appears.

to select the fan for data display.

09/2018

Table

3-1).

button disappears and a

button: