Control panel SP231
System installation
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17
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Connection of remotely controlled terminals
5.6
Connection of report transmission devices
Report transmission devices
(T10R, E10C, G10D etc.) shall be
connected to a 1-wire data bus
MCI. The maximum length of the
bus shall be up to 100 m, with a
possibility to connect up to 4
devices. The control panel shall
not automatically register the
connected devices. Registration
shall be done manually (see 6.15
“
Transmission
module
registration”).
5.7
Connection of temperature sensors, iButton key readers
It is possible to connect iButton key
readers and/or DS18B20 or DS18S20
temperature sensors to a 1-wire data
bus. The total length of the bus shall not
exceed 30 m, with a possibility to
connect up to 10 devices.
Circuit board terminal +5V is designed
for supply of 5 V DC to devices
connected to 1-wire bus. Allowable
output current shall not exceed 0.2 A.
The output shall be protected against
overload. Upon exceeding the allowable
current, the supply shall be cut-off
automatically. The control panel shall
automatically recognise and register the
connected devices.
When connecting more than one sensor with longer than 0.5 m wires,
for connections it is recommended to use twisted pair cable (UTP, STP).
