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Chapter 2 SMART-BASE
2.2 Board Overview
Front view
DC/DC
24V DC
RS232
SCR2
BU1
Rear View
March 12, 1996
RS485 Isolated
(PROFIBUS)
BU2
DRAM
UD
LD
EPROM/FLASH
BU3
EPROM/FLASH
Battery
(SRAM)
Piggyback
SMPBBAT
Timer
I/O
SCR1
RTC Quartz
Optional
FLASH
©1996 PEP Modular Computers GmbH
SMART I/O User's Manual
J13
ST5
J6
68302FC20
ST6
SMART Modules
I/O Slot #0
I/O Slot #1
SCR5
SCR4
RTC
SPI
J1
ST3
ST1
ST7
ST4
ST2
I/O Slot #2
SCR3
2
J15
1
3
Full DUPLEX RS485
(Option)
RS232 Driver
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