88
Input/Output Modules
Trident Planning and Installation Guide
Model 3401 Digital Output Module Simplified Schematic
ASIC
ASIC
ASIC
Triplicated
I/O Bus
A
A
B
B
C
C
To Other Points
Isolated
Bus
Transceiver
Isolated
Bus
Transceiver
Isolated
Bus
Transceiver
Output
Switch
Drive
Circuitry
Output
Switch
Drive
Circuitry
Output
Switch
Drive
Circuitry
Output
Switch
Drive
Circuitry
A
A
B
C
A or C
B
C
Voltage
Loopback
Detector
+V
Load
Return
A
or
C
I/O Controller(s)
Field Circuitry Typical Point (16)
Summary of Contents for Trident
Page 1: ...Trident Version 1 2 Triconex An Invensys Company Planning and Installation Guide ...
Page 10: ...x Contents Trident Planning and Installation Guide ...
Page 16: ...xvi Training Trident Planning and Installation Guide ...
Page 53: ...Main Processor Module 37 Chapter 3 System Description Model 2101 Main Processor Baseplate ...
Page 140: ...124 Covers Trident Planning and Installation Guide ...
Page 216: ...200 Replacing Modules Trident Planning and Installation Guide ...
Page 238: ...222 Diagread Cables and Debug Connectors Trident Planning and Installation Guide ...
Page 240: ...224 Trident Planning and Installation Guide ...
Page 248: ...232 Trident Planning and Installation Guide ...
Page 264: ...248 Glossary Trident Planning and Installation Guide ...
Page 274: ...258 Index Trident Planning and Installation Guide ...