Dräger VarioGard IR EX, Инструкция по эксплуатации, Страница: 30 / 43

Seite 30
Connectors and switches on the pcb and their function
Jumper 4..20 mA / DW-Bus
This jumper switches between the 4 to 20 mA function and the Dräger bus to
connect it to the VarioGard central unit.
Power supply
This 20 pin strip connects the transmitter electronic with the VarioGard power
supply and two relays
4..20 mA Interface
This pcb generates 0 to 4 mA or 4 to 20 mA or 0 to 10 V signal. A jumper
can switch between current and voltage output.
Dip-switch
This switches are used for sensor setup. It selects the language, the kind of
current /voltage output curve and the typ of gas.
„Lumberger – Connector“
This Lumberger – Connector“ connects 4 to 20 mA Interface to a external
panel or provided the sensor with external 16 to 30 VDC.
Sensors
This sensor is the heart of the transmitter. It is connect over three strips with
the main pcb and detects highly selective the type of gas.