PEP Modular Computers Modular Computers RS485 - Input Circuit

SMART I/O User’s Manual
March 12, 1996
©1996 PEP Modular Computers GmbH
Page 5 - 34
Chapter 5 Analog Modules
Connection
Input Circuit
CUR0
CUR1 CUR3
CUR2IN0+ IN0- AGND IN2+ IN2-
IN1+ IN1- AGND IN3+ IN3-
PT100 PT100
PT100 PT100
In0-
AD 7711
10 k
MUX 8:1
AD508F
MUX 8:1
AD508F
10 M
68 k 47 k
- 5V
+ 5V
10 M
68 k
47 k
- 5V
+ 5V
In0+
AGND
+12V
-12V
+12V
-12V
+5V
-5V
+5V
-5V
+5V
OP213
1/2
+5V
-5V
MUX 8:1
AD508F
+12V
-12V
Cur0
10 k
-5V
-5V
OP213
1/2
ADC
Exit
Cur