F-Gas Detector Instructions
Never attempt to dismantle this device by yourself in order to tamper with its hardware or to
alter its software.
Any mechanical damage, such as opening of glued pipe connections or gaskets or the
loosening of screws
will result in the termination of all
Crowcon Detection Instruments Ltd.
2. Installation
2.1.
Operating voltage
The F-Gas detector is designed to operate in a range of an input voltage of 12 to 2
faultless operation is guaranteed
be kept as small as possible.
All connections used for supply and output signals are
and can be accessed by opening the transmitter casing
Figure 2: Opened transmitter casing with interface electronics
Figure 3: connector ST1 – connection for power supply, analogue output and the RS485 interface
V+
I
GND
RS+
RS
attempt to dismantle this device by yourself in order to tamper with its hardware or to
Any mechanical damage, such as opening of glued pipe connections or gaskets or the
will result in the termination of all liability and warranty granted by
Crowcon Detection Instruments Ltd.
voltage and analogue outputs (general)
designed to operate in a range of an input voltage of 12 to 2
faultless operation is guaranteed within these parameters. Supply voltage fluctuations
kept as small as possible.
All connections used for supply and output signals are available from connector
and can be accessed by opening the transmitter casing – see fig. 2.
2: Opened transmitter casing with interface electronics
connection for power supply, analogue output and the RS485 interface
V+
Connection of the supply voltage 12 to 28Vdc.
Analogue output signal (optionally 0-20mA; 4- 20mA or 0 to
GND
0V (common ground for
V+
,
I and RS485
(not yet implemented)
RS+
Non inverted signal line for the integrated RS485 interface (not yet implemented)
RS-
Inverted signal line for the integrated RS485 interface (not yet implemented)
Connector ST1
V+
I GND RS+ RS-
attempt to dismantle this device by yourself in order to tamper with its hardware or to
Any mechanical damage, such as opening of glued pipe connections or gaskets or the
liability and warranty granted by
designed to operate in a range of an input voltage of 12 to 28Vdc. A
voltage fluctuations must
connector
ST1
(fig. 2)
connection for power supply, analogue output and the RS485 interface
20mA or 0 to 2/5/10V).
(not yet implemented)).
Non inverted signal line for the integrated RS485 interface (not yet implemented)
Inverted signal line for the integrated RS485 interface (not yet implemented)
