User Manual

Unit Programming Commands
To access these 4 functions, double-click on the text or highlight and press ENTER. When
accessed, the relevant data areas on the other three screen areas are highlighted to show
which data is being transferred.
Set parallel ch. mode
Changes the SX500 from serial channel selection mode
to/from parallel.
Read from the unit Download the data from the SX500, assuming that the correct
interface lead has been made.
Program unit
SeSend all the data displayed on the screen to the unit.
Program serial channel
Send the new serial channel number to the unit.
Parallel Channel Selection
Three inputs RB1, RB2 and RB3 applied to PL3 pins 11, 12 and 13 respectively, select
the operating channel as shown in the following table:
CHANNEL SELECTION
Most
Significant Bit
Least
Significant Bit CHANNEL
PIN 13 PIN 12 PIN 11
LOW LOW LOW 7
LOW LOW HIGH 6
LOW HIGH LOW 5
LOW HIGH HIGH 4
HIGH LOW LOW 3
HIGH LOW HIGH 2
HIGH HIGH LOW 1
HIGH HIGH HIGH 0
The logic levels are: LOW = < 0.8V,
HIGH = > 2V or floating