Technology Option F01
08.2012
6SE7087-6QX70 (Version AN) Siemens AG
9-28
Compendium Motion Control
SIMOVERT MASTERDRIVES
P149.4
EnDat MRS-Code
(Memory Range Select)
T H Z E
Th
ousands,
H
undreds,
T
ens,
O
nes
Z Z Z Z
EnDat
Memory Range Select - address selection for
memory accesses to the encoder EEPROM in
conformity with the EnDat specification
(hexadecimal)
P149.5 EnDat
Address
T H Z E
Th
ousands,
H
undreds,
T
ens,
O
nes
Z Z Z Z
EnDat
address in specified memory range in
conformity with
EnDat
specification (hexadecimal)
P149.6 EnDat
Data
E H Z E
Th
ousands,
H
undreds,
T
ens,
O
nes
Z Z Z Z
EnDat
data at address defined in
P149.4
and
P149.5
, if read or write data was selected in
P149.2
(hexadecimal) in conformity with
EnDat
specification
The pulse inhibits are compared with the serial protocol of the encoder
with P149.1 = x1xx and corrected if necessary. In the event of frequent
deviations a fault message is tripped.
The monitoring time slot can be set in U950.19.
EnDat Addresses
(Selection in Conformity with
EnDat Specification V2.0)
Parameter of Measuring System
Manufacturer
Linear
Rot.
MRS-
Code
Add.
Operating state
B9
0 - 3
Masks
A1
4 - 7
Version of EnDat Interface
A1
8
Memory allocation for OEM parameters
A1
9 - A
Memory allocation for offsets
A1
B - C
Number of cycles for transmission of
position
A1
D
Measuring system type
A1
E
Signal period or signal periods/rev.
nm
A1
F
Signal period or signal periods/rev.
nm
A3
0
Distinguishable revolutions
A3
1
(Basic) distance of reference marker
mm
A3
2
Position of first reference marker
mm
A3
3
Measuring step/measuring steps/rev. for
protocol
nm
A3
4 - 6
Zero offset of measuring system
manufacturer
per
A3
6 - 7
Identification number
A3
8 - A
Encoder monitoring
