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Sensaphone SCADA 3000 Users manual User Manual

Page 24

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SCADA 3000 User’s Manual

Communications Wiring ..........................................................................................23-3

Bus Termination ..................................................................................................23-4

Sensor/Transducer Wiring .........................................................................................23-5

General Wiring Considerations ...........................................................................23-5
Normally Open/Normally Closed Dry Contacts ..................................................23-5
1OK Thermistors .................................................................................................23-6
Analog Voltage Output Transducers (0-5VDC) ....................................................23-6
4–20mA Current Loop Transducers .....................................................................23-7

How the Universal Input module Works ....................................................................23-8
Specifications ..............................................................................................................23-9

Chapter 24: THeRmOCOUPLe INPUT mODULe (discontinued) ............ 24-1

Introduction ................................................................................................................24-1

What is a thermocouple? ....................................................................................24-1

Installation ..................................................................................................................24-1

OPeRATING eNVIRONmeNT .................................................................................24-1
mOUNTING THe THeRmOCOUPLe INPUT mODULe ..........................................24-2

Power Supply and Grounding .............................................................................24-2

Communications Wiring ..........................................................................................24-3

Cabling Notes .....................................................................................................24-4
Bus Termination ..................................................................................................24-4

Thermocouple Wiring Information ...........................................................................24-5

How the Thermocouple Input module Works .............................................................24-6
Programming the Thermocouple module ....................................................................24-6
Specifications ..............................................................................................................24-8

Chapter 25: PULSe COUNT mODULe .................................................... 25-1

Introduction ................................................................................................................25-1
Installation ..................................................................................................................25-1

OPeRATING eNVIRONmeNT .................................................................................25-1
mOUNTING THe UNIT ..........................................................................................25-1

Power Supply and Grounding .............................................................................25-2

Communications Wiring .............................................................................................25-3

Bus Termination ..................................................................................................25-4
Sensor/Transducer Wiring ...................................................................................25-4
Adjusting the Trimpot (Filtering) ..........................................................................25-5

Application: How the Pulse Count module Works .....................................................25-5

Calibration ...............................................................................................................25-6

Specifications ..............................................................................................................25-7