# ULAD 10 - PiKRON AD Converter

ULAD 10 AD converter can be connected to the uLan device network and after its autodetection by CHROMuLAN some of its parameters should be modified to get the wanted results. To get access to the parameters follow the steps:

- open Devices browser using Setup | Devices | Browse command
- select the ULAD device
- from the Devices browser's local menu invoke Properties browser using Device | Browse command
- if you want full access to all properties, set SysOp mode before opening the browser

The most important paramaters to modify are:

- MARK_ADDR - set to 2 (address of PC in uLan network) to receive mark signal (the signal is generated by touching the inscription PiKRON on the top of the device with a magnet)
- CHA_UM - user multiplication constant (see the formula below)
- CHA_UA - user addition constant (see the formula below)

The numeric value of the output of a given channel x (x = A, B) is calculated by the following formula:

CHx = CHx_UA + CHx_UM × (CHx_CA + CHx_CM × ADCxnorm)
ACDxnorm is a ratio of input voltage to the preset basic voltage range (2.5 or 10 V).

The complete specification of this device in Czech is available in pdf format from http://chromulan.org/manuals/ulad10_man.pdf

Name | R/W | Type | Function
CHA | R | f4 | current value from channel A
CHB | R | f4 | current value from channel B
CHAi | R | s4 (/.4) | current value from channel A in fixed decimal point format (increment = 10-4)
CHBi | R | s4 (/.4) | current value from channel B in fixed decimal point format (increment = 10-4)
ADCAl | R | s4 | Unmodified value from converter channel A
ADCAl | R | s4 | Unmodified value from converter channel A