SMART I/O User’s Manual | Chapter 5 Analog Modules | |||
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Connection
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| PT100 |
| PT100 |
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CUR0 | IN0+ | IN0- | AGND | IN2+ | IN2- | CUR2 |
CUR1 IN1+
IN1-
AGND
IN3+ IN3- CUR3
PT100PT100
Input Circuit
Cur0
- 5V 68 k
10 M
In0+
+12V
MUX 8:1
AD508F
47 k | + 5V |
+12V
MUX 8:1
AD508F
+12V
+5V | |
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OP213 |
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1/2 |
+5V 
-5V
OP213
+5V
Exit
Cur
ADC
AD 7711
In0- |
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| MUX 8:1 |
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| AD508F |
| 10 M |
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- 5V | 47 k | 68 k | + 5V |
AGND |
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1/2
10 k
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Page | 5 - 34 | ©1996 PEP Modular Computers GmbH | March 12, 1996 |
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