Appendix c, Rack backplane – Rockwell Automation 57C332 AutoMax Power Supply Module and Racks User Manual
Page 33

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