Pepper Computer RS232, RS485 user manual PT100

Chapter 5 Analog Modules SMART I/O User’s Manual

Connection

AGND IN0+ IN0- TMP+ IN2+ IN2- AGND

PT100

AGND IN1+ IN1- TMP- IN3+ IN3- AGND

Input Circuit

5

- 5V 68 k

10 M

47 k	+ 5V	+5V
		-5V
	+12V

In0+

In0-

10 M

- 5V 47 k

AGND

MUX 8:1

AD508F

-12V

+12V

MUX 8:1

AD508F

-12V

68 k + 5V

OP213
1/2	-5V 10 k

+5V

-5V

OP213

1/2

10 k

-5V+5V

+5V

AD 7711

-5V

March 12, 1996 ©1996 PEP Modular Computers GmbH Page 5 - 63