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Configurable I/O Application Functions
Analog input application functions
Preset setpoints:
2 or 4 preset setpoints require the use of 1 or 2 logic inputs respectively:
Torque limit : (Only with an I/O extension card with analog input AI3)
The signal applied at AI3 operates in a linear fashion on the internal torque limit (parameter TLI in the "drive
menu") :
- If AI3 = 0V : limit = TLI x 0 = 0
- If AI3 = 10 V : limit = TLI.
Applications : Torque or traction correction, etc.
Encoder input application functions :
(Only with an I/O extension card with encoder input)
Speed regulation : Is used for speed correction using an incremental encoder or sensor.
(See documentation supplied with the card).
Summing speed reference : The setpoint from the encoder input is summed with AI1. (See documentation
supplied with the card)
Applications :
- Synchronization of the speed of a number of speed controllers. Parameter PLS in the "drive" menu is
used to adjust the speed ratio of one motor in relation to that of another.
- Setpoint via encoder.
2 preset setpoints 4 preset setpoints
Assign: LIx to Pr2 Assign: LIx to Pr2 then, LIy to Pr4
LIx Reference LIy LIx Reference
0 Analog reference 0 0 Analog reference
1Process max (= 10 V) 0 1 PI2 (adjustable)
10PI3 (adjustable)
11Process max (= 10 V)
GP_ATV58_EN.fm Page 98 Mardi, 2. avril 2002 6:09 18