Sierra 951 instruction manual RS232 Serial Communications, Special Order Only

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RS232 SERIAL COMMUNICATIONS

(Special Order Only)

The Parity (Even or None) and the Baud Rate (2400 or 9600) are selectable by setting DIP switches SWa and SWb, accessible from the right side of the instrument case.

 

ON

 

 

OFF

 

 

SWa SWb

 

Parity (SWa)

Baud Rate (SWb)

 

ON = Even

ON = 2400

 

OFF = None

OFF = 9600

Baud Rate:

Programmable for 2400 or 9600 Baud

Parity:

Programmable for Even or None

 

Data Bits:

For Even Parity (7 data bits)

 

 

For Odd Parity (8 data bits)

 

Stop Bits:

One

 

Delimeter:

CrLf (Carriage Return-Line Feed)

 

 

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Notes:

In the following tables, each command or request element

 

separated with square brackets [ ] is for clarity only.

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[value] is indicated as % of full scale and takes the following form: signxxx.xx

When entering commands, unless a minus sign is included, value will be accepted as positive.

When responding to a request, value will contain a +/- sign followed by a number complete to two decimal places.

[counts] will represent an actual number within a defined range.

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Contents Sierra Model Digital Flo-Box Specifications DescriptionInstallation Installation and WiringWiring Annunciator leds 15 vdc Switch and Function Definitions Switch DefinitionsMenu Switch S1 Increment Switch S2Zero and Exit Switch S4 Step and Min-Max Switch S3Cal Switch S5 Alarm Set Point High 1 SPH1 Alarm Set Point Low 1 SPL1Function Definitions Flow Set Point StPtAlarm Set Point High 2 SPH2 Alarm Set Point Low 2 SPL2Alarm Hysteresis High HH Alarm Hysteresis Low HLDecimal Point dP TURN-ON Instructions Operating InstructionsS1 S2 S3 S4 S5 Page Page Calibration Instructions Page RS232 Serial Communications Special Order OnlySerial Lockout Model SR5 Program Menu Diagram FS CAL