Toshiba VF-SX - Manual (Page 135)

13-2
TOSHIBA
This section of the manual discusses the procedure to connect remote metering to
the Toshiba Model VF-SX drive. The Universal Unit Multiplication Factor function
alters the drive’s LED display, and causes it to display customized parameters
as defined by users. See the explanations below.
[ F n R H ] Connected Meter Adjustments
[
F /7
] Frequency Meter Adjustment
i R H ] Ammeter Adjustment
[ P A d j u s t m e n t of the RR Input Terminal Bias
Adjustment of the RR Input Terminal Gain
1
.
2 .
3.
4.
5.
6. [ d S P
13.1 Meter Connections
A frequency meter or an ammeter can be connected directly to the drive. Select
a full scale 1 itiADC ammeter, full scale 7.5 VDC-lmADC voltmeter, or rectifying
AC voltmeter for the meter to be driven by the drive. The meter zero-adjust is
performed with the meter adjustment screw. Calibration Is carried out by
adjustments on the. touchpad. It is not necessary to connect a variable resistor
for external calibration.
13.1.1 Connection of a Frequency Meter
[F R ]
A frequency meter can be connected between FM an CC on the control circuit
terminal block. Pay particular attention to the polarity. Refer to Table 13.1
for calibration instructions. The connection of the frequency meter is shown in
Figure 13.1.
Frequency Meter
Figure 13.1 Connection of a
Frequency Meter