Pepper Computer RS232, RS485 user manual Board Overview, Front view, Rear View

Chapter 2 SMART-BASE SMART I/O User’s Manual

2.2 Board Overview

Front view

	RS485 Isolated
	(PROFIBUS)									SPI
					ST5	J13	ST3	J1	ST1	ST7
	BU2	DRAM
				J6
		UD	LD
DC/DC		EPROM/FLASH
	Status Piggyback SMPBLED
		BU3		68302FC20		ST6		ST4		ST2
		EPROM/FLASH				SMART Modules
	Battery
		(SRAM)		I/O Slot #0	I/O Slot #1			I/O Slot #2
	Piggyback
	SMPBBAT
24V DC		Timer
	RS232	I/O
SCR2	BU1	SCR1		SCR5		SCR4		SCR3

Rear View

2

1 J15

3

2

RTC

RTC Quartz

Optional

FLASH

Full DUPLEX RS485 (Option)

RS232 Driver

March 12, 1996 ©1996 PEP Modular Computers GmbH Page 2 - 5