Newtons4th PPA500 - Stb

PPA5xx/15xx communications manual
2-9
*STB?
*STB?
Function:
Read serial poll status byte
Description:
Returns the decimal value of the serial
poll status byte.
Format:
*STB?
Arguments:
none
Reply:
decimal value of the serial poll status byte
Example:
*STB?
1
Notes:
The following bits in the serial poll status
register have been implemented:
bit 0 RDV (results data available)
bit 3 ALA (alarm active)
bit 4 MAV (message available)
bit 5 ESB (standard event summary bit)