CIRCUTOR OPTIM HYB Series User Manual
Page 9
The communication parameters installed in the unit are:
Speed: 9600 bps, parity: No, data bits: 8, stop bits : 1
The standard
OPTIM HYB models come with the CVM-MINI-RS485 analyzer built into the door
panel and programmed with the above values.
Note: If the OPTIM HYB capacitor bank does not include the CVM-MINI-RS485 analyzer and
you intend to use the existing unit in the installation to be compensated, with an RS-485 output
that is not being used to communicate with any data display system, the RS-485 communica-
tions must be programmed as indicated above.
(For more information, see the CVM-MINI-RS485 instruction manual at www.circutor.com).
The connection terminals for the external RS-485 signal are indicated in
.
Unit auxiliary power supply: 230 V ~ ± 10 % / 50-60 Hz.
Setpoint value of target
cos phi set at 1, individually for each phase.
Regulation with a delay between connections/disconnections (response to compensation de-
mands) differentiated between the single-phase steps operated by semiconductors by default
of 1 s; and the three-phase steps by default of 20 s.
Reactive power compensation algorithm consisting of prioritising the connection of sin-
gle-phase steps to compensate more quickly, and of substituting these connected single-phase
steps for a three-phase step when the compensation needs allow it.
Thus, the connected single-phase steps are replaced with a three-phase power step with an
equivalent phase if 20 s after the last single-phase stage is connected there is an available
three-phase step in the capacitor bank with the same three-phase value for the 3 connected
single-phase stages. In this situation, the single-phase steps would be disconnected and the
three-phase equivalent would be connected at the same time. In this way, the single-phase
stages are again enabled for fast connection if new three-phase or single-phase compensation
demands arise.
LEDs on the front panel indicating the connected stages, CPU operation, communication
status with the CVM-MINI-RS485 and alarm signals. See
for a detailed description of
the LEDs on the
Computer HYB front panel.
Additional input for RS-485 communications, for programming and control of internal regula-
tor functions
Note: only for use by CIRCUTOR personnel or by those properly trained in its use.
9
Instruction Manual
OPTIM HYB Series