SAMI G S tions. the frequency reference, select parameter 10 KEYPAD REF1, press the key and use the and keys to increase or decrease the keypad reference. Select Operating Data parameter 9, CONTROL PLACE, KEYPAD R1/ KEYPAD R2 for keypad control (Control place is Ref 1 or Ref 2 accordingly) or EXTERNAL for external control. The valid control place is indicated on the display. [ ] around the direction and run indicators means keypad control and without [ ] means When in keypad control using reference 1, it is possible to change the keypad refer- ence value while monitoring any of the measured values 1-8. For example, you can monitor parameter 7, SAMI OUTPUT VOLT while changing the frequency.
To do this, select the measured value you prefer, press key and set the reference frequency with and keys. Keypad control (R1 or R2) External control (manual) If the SAMI GS is running with an external reference and the CONTROL PLACE is changed to KEYPAD R1, it is possible to transfer the current value of the external reference to KEYPAD REF1. External control for example a PLC (automatic) R1 Example: The SAMI GS is receiving a fre- quency reference from a transducer via X50. You want to temporarily override the external frequency reference. Select CONTROL PLACE, KEYPAD R1 and press and . The SAMI GS puts the value of the external reference into KEYPAD REF1.
You may now control the drive manually by KEYPAD REF1. R2 external control. In addition R1 means Ref 1 and R2 Ref 2 (Figure 7-1). Figure 7-5. Control places. 7.7 Keypad Control If you enter Display mode by pressing after selecting CONTROL PLACE, KEYPAD R1, the value of parameter KEYPAD REF1 will be the set MINIMUM FREQUENCY. When Keypad R1 or Keypad R2 is selected from Operating Data parameter 9, SAMI GS will operate according to the commands which are given via the Keypad. Keypad Reference 2 Keypad Reference 2 goes through an application block, where it can be manip- ulated.
Keypad Reference 2 can be used as a controller reference and it can be given its own acceleration/deceleration ramps (Refer to parameters 21.6 and 21.7 on page 49). = START/STOP button = FORWARD/REVERSE button Reference signal = see parts Keypad Reference 1 and Keypad Reference 2 Keypad Reference 1 7.8 External Control The external control place (Ref1/Ref2) is selected with digital input 1-6 or Operating Operating Data parameter 10 KEYPAD REF1 is a direct frequency reference. To set 28 u c an whi le ing th 2345678901 2345678901 2345678901 2345678901 ce r v Yo u w . Y ou will o a d ire qu enc