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parts package. The cables have open ends. The cross-section of the conductors in cable A and C is
0,14mm
2
, for cable B 0,25mm
2
. Cable A is shipped with devices set up for analog output.
The protection class of the device is only effective with all cables attached. In case cable
A is not used, connector plug A must closed with an end fitting.
3.4.1 Requirements for Electrical Connectors
Before using the device make sure that the power supply is in accordance with the
specifications of the device and that all electric connections correspond to the information
given in this manual.
The FTC320 is a device of protection class III. For power supply a source with PELV specification (Pro-
tective Extra Low Voltage) according to EN 60204-1 must be used. See also Section 3.4.2 "Ground".
The potential-free relay contacts must also be monitored with a power supply unit with PELV specifica-
tion.
3.4.2 Ground
ERROR
MAINT REQ
POWER
power supply
PELV complying
with EN 60204-1
+24V
GND
A
B C
GAS OUT
GAS IN
Figure 3.3: Grounding the FTC320
File name:
FTC320Ex Operating Manual_1.09KD201009MPO3V04.pdf
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