PEP Modular Computers Modular Computers RS485 - Input Circuit

SMART I/O User’s Manual
October 01, 1996
©1996 PEP Modular Computers GmbH
Page 6- 28
Chapter 6 Communications Modules
Connection
Input Circuit
+Vcc (24V)
Gnd (0V)
Pin 1
Pin 2
Pin 13
Pin 14
CLK+ CLK- DATA - DATA + RESET- DIR- EORC EOR1 EOR2 COM+ MATCH-
GND
Shift
SO
Si
Driver
Monoflop
Input
Switch
Clock
Serial
Data
Parallel
Data
Photo
Receiver
Photo
Transmitter
Encoder
Wheel
Schmitt-
Trigger
Parallel-Serial
Converter
SM-SSI