Appendix c, Rack backplane – Rockwell Automation 57C332 AutoMax Power Supply Module and Racks User Manual

Page 33

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CĆ1

Appendix C

Rack Backplane

P1 Bus

Component Side

Pin

1

Mnemonic

Description

Power

Supplies

1

3

5

7

9 NC

11

GND

+5V

+5V

+12V

-5V

GND

Signal Ground

+5 VDC

+5 VDC

+12 VDC

-5 VDC

Signal Ground

Bus

Controls

13

15

17

19

21

23

BCLK

BPRN/

BUSY/

MRDC/

IORC/

XACK/

Bus Clock

Bus Priority In

Bus Busy

Memory Read Command

I/O Read Command

Transfer Acknowledge

Bus

Controls

and

Addresses

25

27

29

31

33 NC

LOCK/

BHEN/

CBRQ/

CCLK/

INTA/

Lock

Byte Hi Enable

Common Bus Request

Common Clock

Interrupt Acknowledge

Parallel

Interrupts

Requests

35 MOD

37 NC

39

41

INT6/

INT4/

INT2/

INT0/

CPU Communication Interrupt

General Purpose Interrupt

General Purpose Interrupt

General Purpose Interrupt

Address

43

45

47

49

51

53

55

57

ADRE/

ADRC/

ADRA/

ADR8/

ADR6/

ADR4/

ADR2/

ADR0/

Address Bus

Data

59

61

63

65

67

69

71

73

DATE/

DATC/

DATA/

DAT8/

DAT6/

DAT4/

DAT2/

DAT0/

Data Bus

Power

Supplies

75

77 NC

79

81

83

85

GND

-12V

+5V

+5V

GND

Signal Ground

Reserved

-12V

+5 VDC

+5 VDC

Signal Ground

NC:

No connection

MOD: Modified definition of Multibus specification

NU:

No usage in system; driven per Multibus specification

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