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Chapter 6: Programming Features

Firmware – S2011 and S3012

Revision: 1 (9/98) 40 © Saftronics, Inc.

6.3.4. Adjusting Frequency Setting Signal

When the frequency reference is output by an analog input of control circuit Terminals FV and FI, the relationship between

the analog input (voltage/current) and the frequency reference can be set.

Figure 21 Frequency Signal Adjustment

§ Frequency Reference Gain (n046)

The frequency reference at the analog input value of 10V (20mA) can be set in units of 1%. (n012 Maximum output

frequency: 100%) Factory setting: 100%

§ Frequency Reference Bias (n047)

The frequency reference at the analog input value of 0 V (4 mA) can be set in units of 1%. (n012 Maximum output

frequency: 100%) Factory setting: 0%

Typical setting

• To operate the Inverter with frequency reference of 0% to 100% at 0 to 5V input.

Gain: Constant n046 = 200

Bias: Constant n047 = 0

Figure 22 Frequency Signal Adjustment Example

(0 to 5V Input)

• To operate the Inverter with frequency reference of 50% to 100% at 0 to 10V input.

Gain: Constant n046 = 100

Bias: Constant n047 = 50

Figure 23 Frequency Signal Adjustment Example

(0 to 10V Input)

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Saftronics GP5 Series Especificaciones Pagina 48