© Brüel & Kjaer Vibro ● S1079330.002 / V04 ● █ Page 53 of 188
Technical alterations reserved!
Brüel & Kjaer Vibro │ Instruction
VC-8000 MPS
Content
EN
9 Wiring - Interfacing to External Systems (DCS)
There are many features in the VC-8000 hardware designed specifically to interface to the DCS or
other external systems. Some are for sharing information, others allow a measure of control. This
section provides some guidelines on how best to use these interfaces.
9.1 Modbus Connections and Wiring
The Modbus communications link allows the VC-8000 to
send data and status to a DCS (for example) for operator
viewing screens. This communication link is very common
and highly recommended.
Two Modbus ports are available on the SAM module. The
Modbus TCP (Ethernet) port, as well as a Serial (RS-
232/RS-422/485) port.
Modbus provides measurements and statuses to a control
system. Modbus does not provide waveform data (i.e.
orbits, spectra).
If you were to see a full list of the Modbus data available
from the rack it would be a little overwhelming. Typically,
only a small fraction of the available data is shared with
other systems. The table below shows examples of data
that is commonly read from the rack.
Figure 9-1) SAM Modbus
Connectors
Modbus Data Register Type Example Register
Table 9-1) Typical Modbus registers read by DCS
To Next Page
Loading...