Thermo Fisher Scientific Alpha DO 2000 - Manual (Page 34)

Instruction manual
Alpha DO 2000
− If the proportional controller type is set to pulse frequency control (PFC):
9. Selecting the relay status under Non-Alarm condition (REL): Press
▲ or ▼ key to choose the desired relay status (de-energized =
“DEEN” or energized = “EN”). Press ENT key to confirm your selection.
10. Setting the proportional range (PRP): Press ▲ or ▼ key to set the
proportional range (setting range: 10 to 500%). Press ENT key to
confirm your setting.
11. Setting the pulse frequency (F.PF): Press ▲ or ▼ key to set the
pulse frequency (setting range: 60 to 120 pulses per minute). Press
ENT key to confirm your setting.
12. Setting the integral action time (IAT): Press ▲ or ▼ key to set the
integral action time (setting range: 0.0 to 999.9 minutes). Press ENT
key to confirm your setting.
The controller goes back to “CNTR” screen.
Continue with rest of the Setup procedures by pressing ▲ or ▼ key or return
to the Measurement mode by pressing ▲ and ▼ keys (escape)
simultaneously.
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