178
8 Options
NOTICE
As soon as duct shielding is provided this must be laid to a separate terminal on PE.
8.1.15.1 Galvanic Isolation
Cable assembly Type Shield Cable length max [m]
Mains AC in - 100
24 V external DC out - 100
BT-CAN IO - 1
CAN IO X 100
Fuel measurement oil I - 10
Fuel measurement gas I - 10
Setpoint changeover I - 10
Fault reset I - 10
Flue gas temperature I X 100
Ambient temperature I X 100
Boiler water temperature I X 10
Steam pressure I X 10
Combination input 20 mA I X 100
Combination input term. 18 I X 100
Monitor output O X 100
I = Input
O = Output
AC = Alternating current input; 90 - 250 V AC 47 - 63 Hz
DC = Direct current supply
Fig. 8-10 Electrical isolation LCM100
LV = Line Voltage
FELV = Functional Extra Low Voltage
Cannot be used as safety measure against electrical shock.
SELV = Safety Extra Low Voltage offers protection against electrical shock.
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