AEG SB4 series User Manual download pdf (Page 82)

Configuration70

3.3 Switching Off Mode of the Binary Outputs with

Malfunctions on the Power Supply

3.3.1 Switching Off Mode for Modules with Rear Connection

All the power supplies deliver a 12 V signal (WWSRN signal) when ready for service.

This signal is supplied to the PEAB via the C04 contact pin and enables the signal out-

puts of the binary output modules. If malfunctions occur on the power supply (access

temperature, undervoltage in the secondary area), the WWSRN signal of the affected

power supply becomes 0 V and causes these outputs to be switched off for the length

of the maslfunction.

It must be configured so that

each output module receives a WWSRN signal

the output module receives the WWSRN signal from the power supply from which it

is supplied

so that only the outputs are switched off, the power supply of which has a malfunc-

tion.

Carry out the necessary settings by means of plug-in jumpers. These are located on

the DUV 025 (in each I/O subrack, in which a power supply and/or a DKV 022 is in-

serted) and on the DKV 023 (controller). Their effect is explained in Table 21.

Table 21 Meaning of the Jumpers when Configuring the WWSRN Signal

Jumper Position Effect

A DKV 023 (Controller) interrupts the WWSRN signals from the power supply

of the controller to the I/O module supplied via a

separate power supply

above the 813 contact comb disconnects the in-coming WWSRN signal

on DUV 025 in the 1st I/O subrack

above the 810 contact comb hands the current WWSRN signal over to

on DUV 025 in the 1st I/O subrack the 3rd I/O subrack

above the 813 contact comb supplies the in-coming WWSRN signal to the

on DUV 025 in the 3rd I/O subrack 3rd I/O subrack

above the 810 contact comb prevents the current WWSRN signal from being

on DUV 025 in the 3rd I/O subrack handed over to other I/O modules which are not

supplied by this power supply.

Figure 38 represents the course of the signal with the example of three DTA 025 which

are all supplied via one power supply. This is inserted in the upper righthand subrack

and supplies the current WWSRN signal to the PEAB via the 202 contact comb. The

DKV 022 undertakes the connection between the ports 217 and 817 in the 1st and 3rd

I/O subrack.

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AEG SB4 series User Manual Page 82