6−24 Electric Drives
and Controls
Bosch Rexroth AG RhoMotion 1070072367 / 04
SERCOS interface
S−0−0391 Monitoring window feedback 2
The value of this parameter defines the maximal admissible deviation of
the position feedback value between motor encoder and external enco-
der S−0−0051 (Position feedback encoder 1, S−0−0053 Position feed-
back encoder 2).
With use of the encoder as an independent belt input, the monitoring
must be disabled by setting this parameter to zero.
P−0−0075 Encoder type 2
The determination of the encoder interface where the optional encoder
is connected to, takes place by this parameter. The identification num-
ber of the according interface module must set as follows:
D 0 No encoder
D 1 GDS/GDM encoder from Bosch-Rexroth
D 2 Incremental encoder with sine signals (1V signals) by the
company Heidenhain
D 3 Resolver with data memory
D 4 Encoder with Hiperface interface
D 5 Incremental encoder with rectangle signals by the company
Heidenhain
D 6 Motor encoder of motors MSK (Motor type keyfield
”Encoder”= S2 resp. M2)
D 8 Encoder with EnDat2.1 interface by the company Heidenhain
D 10 Resolver encoder without data memory
P−0−0078 Assignment optional encoder −> option position
This parameter defines the interface which is determined for the optio-
nal (external) encoder:
D 0 none
D 1 X4 (option 1)
D 2 X8 (option 2)
D 3 X10 (option 3)
P−0−0185 Control word of encoder 2 (optional encoder)
Bit 0: Feed constant 2
0: not activated
Bit 1: Spindle encoder monitoring
0: not activated
1: activated
1: activated
If the external encoder is used as belt encoder, P−0−0185 must set to
zero.
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