about position encoders and about the bidirection EnDat interface can be found on the Homepage of Dr. JOHANNES HEIDENHAIN GmbH.
SEA 9510 EnDat Interface Module
for CompactRIOTM or R-Series Expansion
The SEA cRIO EnDat module allows communication between the CompactRIO chassis and Heidenhain EnDat encoders. EnDat encoders support position monitoring and position control loops.
The EnDat technology offers a serial differential bus protocol with added safety checks for secure position values. Three independent channels can be simultaneously captured. Position values are read with FPGA reliability and speed at a maximum data rate of 20-25 kHz for a whole position value with additional information. Two EnDat modules with up to six axes in each CompactRIO system are supported.
EnDat 2.1 and EnDat 2.2 encoders are supported.
Module cannot be used with National Instruments CompactDAQ.
cRIO EnDat Module with 3 * EnDat 2 interfaces to connect absolute digital position encoder from Heidenhain. The position can be readout at high speed and with very high accuracy. The build in FPGA supports EnDat Clock Speeds of up to 8MHz and allows the synchronous read out of 3 axis in parallel. Besides the digital position data also sensor or calibration information can be readout or written. The connection and power supply of the sensors can be done directly via the build in M12 connectors. Look for EnDat encoders at www.heidenhain.com:
Delivered with power connector cable and driver for LabVIEW 8.x/9.x. and higher
EnDat - Function
# EnDat M 12 connectors
Operating voltage [V] DC Backplane
Average current [mA] Backplane
Average current [mA] Backplane im Sleep Mode
Operating voltage [V] DC Front Panel Connector
Average current [V/mA] Front Panel Connector bei 12V
Sensor voltage[V] for each axis
Sensor current [V/mA] for each axis
Operating temperature range [° C]
Storage temperature [° C]
87 x 23 x 89
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Scope of Delivery
- Driver software
- VIs and programming examples for LabVIEW 2011/2012
These files are available for download.
Our modules and the respective accessories can be ordered in our Shop. The SEA cRIO EnDat module has the order number 60000006.
TM[CompactRIO,LabVIEW] is a trademark of National Instruments. Neither [S.E.A.], nor any software programs or other goods or services offered by [S.E.A.], are affiliated with, endorsed by, or sponsored by National Instruments.