Detcon FP-624D-HT Manual de usuario descargar pdf (Pagina 36)

Model FP-624D-HT

FP-624D-HT Instruction Manual Rev. 1.1 Page 32 of 44

03/

40014

Special #4

R/W

Function Dependant on Value

of 40006 (See Special Register

Table)

40015

Calibration Status

0x0000

Idle

0x0001

Zero Calibration Started

0x0002 Span Calibration Started

0x0003

Span Set

0x0004

Span Calibration

Unsuccessful

06 40015 Calibration Enable W 0x0001 Set Zero

0x0002 Set Span

0x0008

Signal simulation mode

0x0009

Set FP Bridge Voltage

0x000A

Set TP Heater Power

0x000B

Set IR Gain

40016

Read Text 1, first char in L

Two Char of Gas/Units String

40017

Read Text 2

Two Char of Gas/Units String

03 40018 Read Text 3 R Two Char of Gas/Units String

40019

Read Text 4

Two Char of Gas/Units String

40020

Read Text 5, last char in H

Two Char of

Gas/Units String

40021

Text null terminator in L

Two Char of Gas/Units String

03 40022 Special #5 R/W

Function Dependant on Value

of 40006 (See Special Register

Table)

40023

Processor Firmware Version

0x0102

Version 01.02

Units are determined by “units” field in the “notation” string

Span Gas must be between 5% and 95% of the detectable range and is usually about 50% of it.

Fault status bits self-reset when fault clears

Text in ASCII, in order L byte, H byte, L byte… See field descriptions of notation string.

Table 4 Notation Text String Description

Character #

Description

Units

0x20

Gas Type

0x0

Units – This field is typically ‘_ % _’ (where ‘_ ‘is a space, 0x20).

0x20 – The units field is terminated with an ASCII space (0x20)

Gas Type – This field contains the gas type of the cell (typically “LEL _ _ _”)

0x00 – The notation string is terminated with an ASCII null character

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 47 48

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