Items Needed
Programming Steps
- Identify desired unit address for card reader.
- Set dip switches in combination to equal the unit address value. See below for an explanation of dip switching. Dip Switch Cheat Sheet
Dip Switch Values
Each switch has a value associated with it, as shown in the table below. Turning switches ON causes their values to be added together.
Switch 1 | Switch 2 | Switch 3 | Switch 4 | Switch 5 | Switch 6 | Switch 7 | Switch 8 |
---|
128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
For example turning switch numbers 8 (1) and 7 (2) on represents the value of 3, or turning on switch numbers 4 (16), 6 (4), and 8 (1) equals 21. Using this binary chart you can achieve any number between 1 and 255.