Rockwell-automation 57C421B Pulsetach Input Module/DCS 5000/AutoMax Manuel d'utilisateur télécharger pdf (Page 12)

2Ć4

+12V INPUT A

+5V INPUT A

CHANNEL A

COMMON OR A

681

221

+5V

DIGITAL

FILTER

 

14

12

2

TO PULSETACH

TERMINAL

+12V INPUT B

+5V INPUT B

+5V

DIGITAL

FILTER

 

17

15

3

TO PULSETACH

TERMINAL

+12V INPUT Z

+5V INPUT Z

+5V

DIGITAL

FILTER

 

20

18

4

TO PULSETACH

TERMINAL

681

221

681

221

Note that all channels are individually isolated.

CHANNEL B

COMMON OR B

CHANNEL Z

COMMON OR Z

Figure 2.3 Ć Module Pulsetach Input Circuitry

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