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VISY-Command
3
VISY-Command
The designation of the VISY-Command depends on the number of sensor terminals or the
transmission technology, for example, "VISY-Command 8" with eight sensor terminals or "VISY-
Command RF" as wireless version.
3.1
Design and function
3.1.1
VISY-Command
–
wired version (standard)
The wired (standard) version of VISY-Command has 2, 4, 8, or 16 sensor terminals.
At each sensor terminal, it is possible to connect up to three different types of FAFNIR sensors
VISY-Stick/Reed (e.g. one VISY-Stick, one VISY-Stick Interstitial and one VISY-Reed Sump).
These three types of sensors can be connected to each other directly at the installation point.
This means that only one cable (4-wire) is required for the connection to the VISY-Command.
In combination with the VIMS sensors from our system partner for leakage control
(SGB GmbH, Siegen), either 2 FAFNIR sensors and 2 SGB sensors or 3 FAFNIR sen-
sors and 1 SGB sensor can be connected to the VISY-Command central unit using
one single cable (4-wire).
Connecting sensors of the same type (e. g. 3 x VISY-Stick or VISY-Stick Interstitial
with VISY-Reed Interstitial) to one sensor terminal is not supported.
The terminal box/cable connector used to extend the connection cables for the
sensors in the manhole chamber must comply with a degree of protection of IP68
for the housing.
The VISY-Command central unit comprises a VI-4 interface and one or two VP… isolating
amplifiers installed in a housing for wall mounting (IP20). One VP… isolating amplifier is
installed in the VISY-Command 2, 4 or 8; two VP-1 isolating amplifiers are installed in the
VISY-Command 16.
The sensors are electrically supplied with power via the VISY-Command. The VISY-Command
receives the measured values, stores this data temporarily and makes the data available to a
higher-level system (e.g. central computer). A serial interface, either an RS-232 or an RS-485,
is used for communication. Various logs are available for transmitting the data to the service
station computers.
The IFSF-LON interface is also available as an option, see the following technical documenta-
tion:
IFSF-LON interface converter, art. no. 207092
