Siemens Simatic M7-400 Manual do Utilizador descarregar pdf (Página 191)

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101

Digital Modules

4-69

S7-400, M7-400 Programmable Controllers Module Specifications

A5E00069467-07

4.18.1 Assigning Parameters to the SM 422; DO 16 20-125 VDC/1.5 A

Parameter Assignment

You will find a description of the general procedure for assigning parameters to

digital modules in Section 5.7.

Parameters of the SM 421; DO 16 20-125 VDC/1.5 A

You will find an overview of the parameters you can set and their default settings

for the SM 422; DO 16 20-125 VDC/1.5 A in the following table.

Table 4-17 Parameters of the SM 422; DO 16 20-125 VDC/1.5 A

Parameter

Value Range Default

Parameter

Type

Scope

Enable

• Diagnostic interrupt

Yes/no No Dynamic Module

• Destination CPU for

interrupt

1 to 4

–

Static Module

Reaction to CPU-STOP Substitute a value (SV)

Keep last value (KLV)

SV Dynamic Module

Diagnostics

• No load voltage L+

• Short circuit to M

Yes/no

Static

Channel

group

Channel

Enable substitute value

“1”

Yes/no No Dynamic Channel

If you use the module in ER-1/ER-2, you must set this parameter to “No” because the interrupt lines are

not available in ER-1/ER-2.

Only in the CC (central controller) is it possible to start up the digital modules with the default settings.

Assigning the “No Load Voltage L+” Diagnosis to Channel Groups

You can only set the “No Load Voltage L+” diagnosis separately for each channel

group. In other words, the setting for channel 0 applies to inputs 0 to 7, and the

setting for channel 8 applies to inputs 8 to 15.

1 2 ... 186 187 188 189 190 191 192 193 194 195 196 ... 637 638

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