Meriam M1500 Digital Pressure Transmitter User Manual

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Table of Contents

Certification/Safety/Warnings........................................................ 1

Introduction.................................................................................... 2

Pressure Sensor Code and Range Table ..................................... 2

CD ROM Resources...................................................................... 3

Meriam Setup Utility ...................................................................... 3

PC / M1500 Interface .................................................................... 3

For Analog Output Configuration .............................................. 3

For Digital Communication ....................................................... 4

Interface Accessories ............................................................... 4

Mounting Options .......................................................................... 4

Pressure Connections ................................................................... 6

Single Pressure Sensor Models ............................................... 6

Dual Pressure Sensor Models .................................................. 7

Installation and Operation ............................................................. 7

M1500 Digital Communication Models ..................................... 7

RS-485.................................................................................. 8

USB....................................................................................... 8

M1500 Analog Models .............................................................. 9

Current Output ...................................................................... 9

Voltage Output ...................................................................... 9

Switch Output ....................................................................... 9

Wiring Detection Feature ...................................................... 9

Configuration Using Meriam Setup Utility............................. 9

Zeroing the M1500.................................................................. 12

Zeroing Analog M1500s: non-Absolute models ................. 12

Zeroing Analog M1500s: Absolute Pressure Models ......... 12

Zeroing Digital M1500s (non-Absolute models) ................. 12

Zeroing For Mounting Position............................................ 12

Zeroing DI Models For Static Pressure Effect .................... 12

Wiring Diagrams.......................................................................... 13

Analog Wiring Diagrams ......................................................... 13

Digital Wiring Diagrams .......................................................... 16

RS-232 Communication...................................................... 16

RS-485 Communication...................................................... 16

USB Communication .......................................................... 16

Recertification and Recalibration ................................................ 17

Firmware Reflash ........................................................................ 18

Firmware Features ...................................................................... 18

Over & Under Range Definition Table......................................... 20

Service and Calibration ............................................................... 21

Specifications .............................................................................. 22

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