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Honeywell
CD3000M-2PH from 125A to 700A
User’s Manual
7. Thyristor firing mode
SSR from controller
LOAD VOLTAGE (V)
VOLTAGE SUPPLY (V)
ZERO CROSSING
7.1 Zero Crossing (ZC)
ZC firing mode is used with Logic Output
from temperature controllers and the
Thyristor operates like a contactor. The Cycle
time is performed by temperature controller.
ZC minimizes interferences because the
Thyristor unit switches ON-OFF at zero
voltage.
VOLTAGE SUPPLY (V)
20%
50%
70%
100%
7.2 Burst Firing (BF)
This firing performed in Digital mode in
Honeywell Thyristor unit gives a lot of
advantages because switches Thyristor at
zero voltage crossing without EMC
interferences. Analog input is necessary for
BF and can be decided how many complete
cycles we want at 50% of power demand.
This value can be implemented from 1 to 255
complete cycles doing the firing less or more
fast. When 1 is setted the firing name
becomes Single Cycle (see above).
www.honeywell.com/imc 26
Содержание CD3000M-2PH
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