RMG TERZ 94, Руководство по эксплуатации

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Installation
16
Operating Instructions for the TERZ 94 Electronic Turbine Meter
TERZ 94-S:
In the case of the TERZ 94-S, terminal X22 (on current module TERZ94trm)
is used as current-loop connection to supply the device and as output current
(4-20
mA).
The output signals can be picked up at the following terminals:
HF signals: Output X4, terminals X4,4 (+) / X4,3(-)
LF signals: Output X4, terminals X4,2 (+) / X4,1(-)
Now connect the cables and then put the cover again on the lower part of the
housing.
To connect the cables to the spring terminals, you need a screwdriver with a
blade width of a maximum of 2.5 mm. Introduce the blade into the intended
slot and press down the screwdriver to open the spring terminal.
Earthing
To prevent measuring errors caused by electromagnetic interference, you
must not fail to earth the case of the meter head via the earthing screw on
the left side of the case.
Cables
Use 2-core or multicore shielded cables which are twisted together in pairs
(type LIYCY) for the signal lines (LF output, HF output, current-loop
Minimum cable cross section:
up to a length of 10 m: 6 mm
2
from a length of 10 m: 10 mm
2
Earthing screw