¾
:
Enable/disable dead band control.
¾
:
Dead band for heater.
¾
:
Dead band for cooler.
Heating and cooling range can be controlled via dead band setting
Heater dead band control
:
If PV>SV+DB-H, heater is not active.
Cooler dead band control
:
If PV<SV+DB-C, cooler is not active.
DB-H>0
;
DB-C>0
DB-H>0
;
DB-C<0
Over SV+DB-H deactivates heater
Over SV+DB-H deactivates heater
Under SV+DB-C deactivates cooler
Under SV+DB-C
以
deactivates cooler
Deactivates heater
Deactivates cooler
Deactivates cooler Deactivates heater
SV SV+(DB-H) SV+(DB-C) SV+(DB-C) SV SV+(DB-H)
DB-H<0
;
DB-C<0
DB-H<0
;
DB-C>0
Over SV+DB-H deactivates heater Over SV+DB-H deactivates heater
Under SV+DB-C deactivates cooler Under SV+DB-C deactivates cooler
Deactivates
heater
Deactivates cooler Deactivates heater Deactivates cooler
SV+(DB-C) SV+(DB-H) SV
SV+(DB-H) SVSV+(DB-C)
¾
:
Display CT (current transformer)input current
Install CT input expansion module, it will display relative current value
¾
:
Heater break alarm setup: when CT transformer current is lower than SV during heating, it will be
considered heater break. Thus, alarm will send out.
9
Содержание PT-8320 Series
Страница 1: ...PT 8320 User Manual 1...
Страница 2: ...DIMENSION PANEL CUTOUT 2...
Страница 3: ...PANEL DESCRIPTION EXPLANATION FOR TERMINAL WIRING 3...