Siemens SIMATIC S7-1200 Handmatig - Pagina 42

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5 Operating the Application Examples

Table 5-3

Code

16#80C8

16#8388

Note

Further conditional codes are provided in the chapter

in the S7-1200 system manual (\8\).

Errors that occur remain pending. The error display is only reset after the error has

been acknowledged using the

applies).

5.3

Overview

The "Overview" display shows the sequentially read input registers of fans 1 to 4

side by side. In addition, the availability of the fans is signaled with the

screen and the "Current modulation level (D019)" is shown as a bar graph. Pending

"Warnings (D012)" and "Motor status (D011)" are highlighted in color. Clicking the

respective fan data field takes you to the detailed "Fan view".

Figure 5-6

Depending on which operating mode is set (holding register D106/D107), the

current set value (D01A) is displayed in the unit "rpm" for speed control and in "%"

for control.

5.4

Fan view

The "Fan view" display gives access to the recurrent display elements (chapter 5.2)

and also to all registers (see chapter 3.2).

Controlling several fans (ebm-papst) via Modbus RTU

Entry ID: 109476801,

V2.0,

Text

The slave does not respond

within the set time

Error in the response of the

slave to a write request

09/2018

Cause

Disturbed connection to the fan (e.g.

missing voltage supply of fan)

Missing password authorization to write

the selected holding register

"Modus RTU Instructions"

button (provided that the error no longer