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American Magnetics 187 Self-Compensating Liquid Level Controller User Manual

Page 5

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Table of Contents

3.2

Sensor contamination ..............................................................17

3.3

Menu Reference........................................................................18

3.3.1

Accessing Menus ..........................................................18
3.3.1.1 Entering Numerical Values .............................18
3.3.1.2 Menu Option Selection .....................................19
3.3.1.3 Exiting Menus ..................................................19

3.3.2

HI Menu........................................................................19

3.3.3

LO Menu .......................................................................19

3.3.4

A Menu..........................................................................20

3.3.5

B Menu..........................................................................20

3.3.6

RATE Menu ..................................................................20

3.3.7

LEN (Length) Menu .....................................................21
3.3.7.1 Zero Offset.........................................................21
3.3.7.2 Measured Span .................................................21

3.3.8

FILL Menu....................................................................21
3.3.8.1 Fill Mode ...........................................................22
3.3.8.2 Fill Timeout ......................................................22

3.3.9

MUTE Menu .................................................................22

3.3.10 COMM Menu ................................................................22

3.3.10.1Display Contrast .............................................23
3.3.10.2IEEE-488 Address ...........................................23
3.3.10.3Serial Baud Rate .............................................23
3.3.10.4Serial Data Bits/Parity ...................................23
3.3.10.5Serial Stop Bits................................................24
3.3.10.6Serial Handshaking ........................................24

3.3.11 CAL Menu.....................................................................24

4

Remote Interface Reference ..................................................27

4.1

SCPI Command Summary ......................................................27

4.2

Programming Overview ...........................................................30

4.2.1

SCPI Language Introduction.......................................30

4.2.2

SCPI Status System .....................................................30
4.2.2.1 Status Byte Registers.......................................32
4.2.2.2 Serial Polling and the Service Request (SRQ) 33
4.2.2.3 Reading the Status Byte using *STB? ............34
4.2.2.4 Using the Message Available Bit(s).................34

4.2.3

Standard Event Registers............................................34

4.2.4

Alarm Registers............................................................35

4.2.5

Command Handshaking ..............................................36
4.2.5.1 Using the

*OPC

Command ...............................37

4.2.5.2 Using the

*OPC?

Query....................................37

4.2.6

Remote Units ................................................................37

4.3

RS-232/422 Configuration .......................................................38

4.3.1

Serial Port Connector...................................................38

4.3.2

Termination Characters...............................................38