Unitronics Vision 230 User Manual page 37

Table 7: System Integer Functions
System Integer Function
0 Scan Time (mSec)
6 Current key pressed
7* LCD Contrast (V280 only)
8* Unit ID
9* LCD Backlight intensity
30* Current second—according to RTC
31* Current time—according to RTC
32 Current date—according to RTC
33 Current year— according to RTC
34 Current day— according to RTC
80 Modem Status: COM 1
81 Modem Error Code: COM 1
82 Modem Status: COM 2
83 Modem Error Code: COM 2
200*-201* Network operands
236 Network communication error code
237 Network: failed unit ID
Appendix A: System Data Types
33