Chapter 2 | 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 | |
|
| ||
