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Sensoray 2600 Programming Guide 27 Gateway Action Scheduling

will cause the corresponding channel to be programmed for the 100 millivolt measurement range. The following table shows the

relevant attributes for all supported input types. The enumerated input type names are defined in the App2600.h header file.

7.4.3 Calibration

Calibration is achieved by storing values in the 2608 module’s EEPROM. Values may be stored in the EEPROM by calling

S26_2608_WriteEeprom(), and stored values may be retrieved by calling S26_Sched2608_ReadEeprom().

Various EEPROM locations are reserved for calibration values as described in section 7.4.4. All calibration values are multi-byte

values that are stored in little-endian byte order.

7.4.4 Reserved EEPROM Locations

As shown in the following table, the first 176 EEPROM locations are reserved for calibration and configuration data:

7.4.5 S26_Sched2608_SetTempUnits()

Function: Schedules the setting of temperature units for thermocouple data returned from a model 2608 IOM.

Enumerated Type Resolution Data Units Description

RAW_LG_TYPE

1 count ADC counts Corrected ADC counts, 10V range. This is the default type.

RAW_HG_TYPE

1 count ADC counts Corrected ADC counts, 100mV range.

V_10_TYPE

320 µV Volts Measured voltage, 10V range.

V_001_TYPE

3.2 µV Volts Measured voltage, 100mV range.

TC_B_TYPE

0.457 °C @ 800 °C °C or °F B thermocouple.

TC_C_TYPE

0.168 °C @ 800 °C °C or °F C thermocouple.

TC_E_TYPE

0.0478 °C @ 100 °C °C or °F E thermocouple.

TC_J_TYPE

0.0593 °C @ 100 °C °C or °F J thermocouple.

TC_K_TYPE

0.0762 °C @ 100 °C °C or °F K thermocouple.

TC_N_TYPE

0.107 °C @ 100 °C °C or °F N thermocouple.

TC_R_TYPE

0.267 °C @ 800 °C °C or °F R thermocouple.

TC_S_TYPE

0.291 °C @ 800 °C °C or °F S thermocouple.

TC_T_TYPE

0.0696 °C @ 100 °C °C or °F T thermocouple.

Address Data Type Description

0 u8

Number of analog output channels present on the 2608 module. This is factory programmed and

should never be changed.

1 to 11 --

Reserved for future use.

12 u32

Exact voltage of 10V reference standard, times 1e6.

16 u32

Exact voltage of 100mV reference standard, times 1e6.

20+6*CHAN s16

Raw binary value that would be programmed onto analog output channel CHAN in order to produce

exactly zero volts out. This typically has a value between -15 and +15.

22+6*CHAN u32

Scalar, times 1e6, that is applied to values programmed onto analog output channel CHAN to

compensate DAC full scale error. The scalar value is typically within ±5% of 1.0.

68+2*CHAN s16

Raw binary value that must be subtracted from on-board reference temperature sensor CHAN to

compensate its offset temperature.

84 u8

Checksum of all stored bytes from address 0 through 83.

85 to 175 --

Reserved for future use.

176 to 255 --

Available for application use.

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 76 77

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Sensoray 2600 Manual de usuario Pagina 31

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