REXROTH EcoDrive Cs - Page 77

Rexroth EcoDrive Cs Drives Electrical Connections 5-29
DOK-ECODR3-DKC**.3-CS*-PR02-EN-P
Absolut Encoder-Emulation (SSI-format)
emu_absolut_anschluss.FH7
1
2
3
0V
4
5
6
0V
7
SSIData+
8
SSIData-
X7
SSIClk-
SSIClk+
CNC
0V
ext
positioning-
interface
-absolute-
length l
Fig. 5-56: Output of absolute actual position value in SSI format
Ap5321f1.fh7
R2
SSICLK-
R3
R1
C1
SSICLK+
Schematics
Fig. 5-57: Differential input circuit
Input voltage:
High
Low
min.
2.5 V
0 V
max.
5 V
0.5 V
Input resistance see circuit
Pulse frequency (100 – 1000 kHz)
Polarity protected within allowable input voltage range
Fig. 5-58: Differential outputs
See "Fig. 5-53: Differential outputs".
Note: The differential outputs correspond to RS422 specs.
A termination resistor is required an the controller side, if it is
not present then add an external resistance of 150 - 180 Ohm.
Connection
Absolute Encoder Emulation
Differential input circuit
absolute encoder emulation
Differential inputs
absolute encoder emulation
Differential outputs absolute
encoder emulation
Courtesy of CMA/Flodyne/Hydradyne ▪ Motion Control ▪ Hydraulic ▪ Pneumatic ▪ Electrical ▪ Mechanical ▪ (800) 426-5480 ▪ www.cmafh.com