Matrix Orbital LK402-25 - Manual (Page 40)

40
Ordering
Part Numbering Scheme
Table 44: Part Numbering Scheme
LK -402 -25 -V -422 -E
1 2 3 4 5 6
Options
Table 45: Display Options
# Designator Options
1 Product Type LK: Liquid Crystal Display with Keypad Input
2 Display Size -402: 40 columns by 2 rows
3 Keypad Size -25: 25 key maximum
4 Voltage NP: Standard Voltage
-V: Wide Voltage
-VPT: Wide Voltage with Efficient Switching Power Supply
5 Protocol NP: Standard Model
-USB: USB Only Model
-422: RS422 Only Model *
6 Temperature NP: Standard
-E: Extended Temperature
*Note: The RS422 model should only be powered from a local source, unless the –VPT variant is used.