ANTRIEBSTECHNIK
6
25
KEB COMBIVERT F4-F
Name: Basis
17.09.98
Functional DescriptionAnalog In- and Outputs
Chapter Section PageDate
© KEB Antriebstechnik, 1998
All Rights reserved
6
12 13 14 15 16 17
CRF COM REF1 REF1 REF2 REF2
+ – + –
12 13 14 15 16 17
CRF COM REF1 REF1 REF2 REF2
+ – + –
3 kΩ
3 kΩ *
)
2. Setpoint setting: External differential voltage with internal reference potential
(COM), i.e. REF1- and REF2- are connected to 0V-potential.
Thus the differential voltage is always formed between REF+
and COM.
Internal resistance Ri = 24 kΩ
Example: Setpoint = (REF1+) – (REF1-)
Setpoint = (-7 V) – (0 V)
Setpoint = -7 V
source of
external
differential
voltage
source of
external
differential
voltage *
)
Fig. 6.2.3 Connection with internal reference potential
*
)
also refer to parameter
AN.13 in Chapter 6.4
3. Setpoint setting: Internal +10 V reference voltage, i.e. the setpoint can be
adjusted from 0...+10 V by means of setpoint potentiometer.
Internal resistance Ri = 24 kΩ
Fig. 6.2.4 Connection with +10 V reference voltage
*
)
also refer to parameter
AN.13 in Chapter6.4