User`s manual

PK2100

E-4 s Appendix E: EEPROM

PK2110/PK2130 12-V Version Calibration

Table E-2 presents the calibration constants for the PK2110/PK2130, the

12-volt versions, where they differ from those of PK2100/PK2120 in

Table E-1.

Field Calibration

If the EEPROM is erased or certain components are changed, the PK2100

may be recalibrated. The only equipment needed for this procedure is a

volt-ohm-milliampere meter with sufficient precision (0.1% or better).

The calibration constants for the EEPROM are given in this appendix.

Table E-1. Calibration Constants for PK2100/PK2120 EEPROM (concluded)

Address Definition

0x16C

Long coefficient relating speed of microprocessor clock

relative to speed of real-time clock. Nominal value is

107,374,182, which is 1/40 of a second microprocessor

clock time on the scale where 2

is 1.0 s. This requires

4 bytes of EEPROM, stored least byte first.

Table E-2. Calibration Constants for PK2110/PK2130 EEPROM

Address Definition

0x106 Required power. This value is 12 for the 12-V version.

0x107 Software test version (times 10) (= 12 for version 1.2).

0x15C

For the 12-Volt PK2100, this is current in units of 1.0 µA,

corresponding to voltage output of 2.000V when set for 0-15 mA

output into nominal 392-Ω load resistor.

0x15E

For the 12-V PK2100, this is current in units of 1.0 µA,

corresponding to voltage output of 10.000 V when set for

0-15 mA output into nominal 392-Ω load resistor.