E3G080 Control module ”Extinguishing”
157
Building Technologies
001260_k_en_--.doc
Fire Safety & Security Products
02.2005
12 Test LED "H5": For fault diagnosis LON interface
LED
"H5"
Error diagnosis of communication to B3Q440 control console
Function Status
LED on continuously
program in LON-IC not loaded
LED flashes
network parameter LON not loaded
LED inactive
LON normal operating mode
13 Jumper "X2": Ground fault monitoring 'LON-Bus'
'out' = inactive (factory setting)
'in' =
active
(for details application –> see chapter 6)
14 Resistor "R151": Line termination element for the communication circuit to the
B3Q440 control console
The LON communication circuit must be terminated at both ends with a resistor
100
Ω
.
–
Resistor R151 inserted
=
unit at end of the line
–
Resistor R151 not inserted
=
no unit at end of the line
Unit at end of the line
Unit at end of the line
E3G080
B3Q440
B3Q440
R151
R2
R2
100
Ω
100
Ω