LIMESA meters FG4000, Установка и технические характеристики

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FG4000 – installations and specifications
FG4000 mtpa – rev. 01/2020 12
7. Terminal bars, connectors and jumpers
7.1. Terminal bars, connectors and jumpers
Terminal bars (
Fig.22
), connectors and jumpers are under the terminal back cover. The terminals
can accept wires with the cross section area of 0.8 to 1.5mm 2 . To facilitate the assembly in
inaccessible places, the head can be rotated as explained in paragraph 4.13.
XC 1:
temperature sensor or empty pipe detection terminal
bar on optional module as in paragraph 7.2 or 9.
XC2: interface module connector COMM1. See section 8.
XC 3: terminal bar for connection of external signals
XC3/1: EGND ( is5V
EXT
and +24V
EXT
power source
ground )
XC 3/ 2 through XC 3/ 6: depends on interface module installed at XC2
connector (
CO M M 1
) terminal assignments
described in paragraphs 8.1-8.5
XC3/7: flow pulse output ( + )
XC3/8: flow pulse output (
–
)
XC3/9: flow pulse output 2 ( + )
XC3/10: flow pulse output 2 ( – )
XC3/ 11: external pulse input E (
+
)
XC3/12: external pulse input E ( – )
XC4: magnetic flowmeter terminal bar (do not disconnect!)
XC4/1, XC4/ 2: flowtube sensor excitation coil wires
XC4/3: flowtube sensor electrode wire shielding
XC4/4, XC4/ 5: flowtube sensor electrode wires
XC12: service connector
Split flowtube sensor external wiring is shown in Fig.23 . Do not disconnect wires connected to XC4
with electromagnetic flowmeter compact design as in Fig.12 (different colour coding)!
electronic
board
serial
number
optional empty pipe
detection module or
module for external
PT500 temperature
sensors
pipe flange
ground
connection
X C4
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C
1
C
2
1 2 3 4 5