较大的采用周期将使其不稳定。采样周期应不得大于总计时间常数的1/10(或极端情况下的1/5)。举例,如果PV近似为最终值2秒的2/3时,则采样周期应小于0.2秒,极端情况下为0.4秒。另一方面,采样周期也不得太小,如小于总计时间常数的1/1000,或ki*误差*dt的PID积分器将圆整至零。
HONEYWELL 51304542-100 I/O CONTROL BOARD KLCN BRAND FACTORY SEALED
HONEYWELL MEASUREX 05317200 REV B QUAD TACH COUNTER I/F BOARD
HONEYWELL TC-IDA161 A J01 DIGITAL INPUT 120VAC MODULE=)
Honeywell CP-EXPIO ComfortPoint BACnet DDC Solution
Honeywell CP-DIO BACnet programmable daigital contr
Honeywell CP-SPC BACnet Small Point Controller
HONEYWELL Q619A 1006NICE
HONEYWELL FLAME DETECTOR C7012A1145 ~ IN BOX
HONEYWELL 51400988-100 NSPP 51400988100
HONEYWELL F15-499-053 USPP F15499053
HONEYWELL RA890F-1346 USPP RA890F1346
1 NIB HONEYWELL 30731808-503 30731808503 REGULATOR CARD
NIB HONEYWELL 82408485-001 82408485001 MODULE ELEC CARD