Alpha Polaris Digital Controller Process

Alpha Polaris Digital Process Controller
FEATURE * Measuring linear signal 0~ 10V / 0( 4) ~ 20mA in one controller * Accuracy: d0.04% ; 4 1/ 2 Digital display: -19999~ + 29999 * User function, Easily programmable via the front panel * 4 relay outputs with Start Delay / Hysteresis / Energized & De-energized Delay / DO / Relay Energized Hold. * Analogue output and RS 485 communication port in option * 3 external control inputs for Relative PV / PV Hold / Maximum or Minimum Hold / DI / Reset for Relay Energized Hold. * CE Approved