3
vacon • 64 Descriptions of VACON® option boards
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
depending on the slot which the expander board is plugged into. See chapter 1.7.
3.2.7 OPTBB
An absolute encoder is a type of encoder capable of specifying its absolute position. The position
data is retained even during a power failure or breakdown. The position data carried by the absolute
encoder can be used by the AC drive motor control in the control of a synchronous motor.
ENDAT is a bidirectional synchronic serial interface for absolute encoders. For example, the
encoder position data can be read and encoder parameters can be set via the ENDAT connection. It
also forwards the messages related to the encoder functions.
All Endat connections are available in terminal X6. The board uses Endat version 2.
Description:
Absolute encoder board for VACON
®
NXP with inputs for an Endat type
encoder. Programmable control voltage, fast digital inputs and simulation
pulse output.
The output pulse is produced from sinusoidal input signals.
The galvanically isolated fast digital inputs are used to trace very short
pulses.
Allowed slots: C
Type ID: 16962 (main board), 16963 (secondary board); The secondary board is
mounted on top of the main board
Terminals: Two terminal blocks; Screw terminals (M2.6); No coding
Jumpers: 1; X11 (see page 66)
Board parameters: Yes (see page 67)
Encoder cable Heidenhain cable;
Max. length 100m
Encoder voltage 5V, 12V or 15V
Max. current consumption 300mA
Measuring steps/ revolution 4.2 billion (max. 32bit)
Distiguishable revolutions 0—65535 (max. 16bit)
Signal periods/revolution 1—65535
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