Waterpilot FMX21
Electrical connection
Hauser
25
6
Electrical connection
L
WARNING
Electrical safety is compromised by an incorrect connection!
‣
When using the measuring device in a hazardous area, the relevant national standards
and guidelines as well as the Safety Instructions (XAs) or installation or control
drawings (ZDs) must be adhered to. All data relating to explosion protection can be
found in separate documentation which is available on request. This documentation is
supplied with the devices as standard
6.1
Connecting the device
L
WARNING
Electrical safety is compromised by an incorrect connection!
‣
The supply voltage must match the supply voltage specified on the nameplate
‣
Switch off the supply voltage before connecting the device.
‣
The cable must end in a dry room or a suitable terminal box. The IP66/IP67 terminal
box with GORE-TEX® filter from Hauser is suitable for outdoor
‣
Connect the device in accordance with the following diagrams. Reverse polarity
protection is integrated in the device and the temperature head transmitter. Changing
the polarities will not result in the destruction of the devices.
‣
A suitable circuit breaker should be provided for the device in accordance with IEC/EN
61010.
6.1.1
Device with Pt100
RD
BK
RD BK
WH
YE
BU
BR
a
A
B
e
)
)
)
)
c
c
d
d
b
b
a
FMX21
FMX21
A0019441
A
Device
B
Device with Pt100 (not for use in hazardous areas)
a
Not for devices with external diameter of 29 mm (1.14 in)
b
10.5 to 30 V
DC
(hazardous area), 10.5 to 35 V
DC
c
4 to 20 mA
d
Resistance (R
L
)
e
Pt100
Содержание Waterpilot FMX21
Страница 143: ......
Страница 144: ...www addresses endress com 71593280 71593280...