Siemens Simovert Masterdrives Compendium page 1184

Parameter Description
P149* Function parameter for describing the serial protocol of
Conf Protocol code encoders
149 Settings of motor encoder
Index 01: General (baud rate, SSI/EnDat...)
(0101)
xxx0 = SSI encoder
xxx1 = EnDat encoder
xx0x = Baud rate 100kHz up to 150m / encoder data sheet
xx1x = Baud rate 500kHz up to 100m
xx2x = Baud rate 1MHz up to 50m
xx3x = Baud rate 2MHz up to 10m
x0xx = Without checking of incremental position sensing
by serial protocol in case of multiturn encoder
x1xx = With checking and if necessary correction of
incremental position sensing by serial protocol in case of
0xxx = Rotary encoder
1xxx = Linear encoder
Index 02: Protocol setup EnDat (0025)
xxzz = zz = Number of protocol bits (EnDat)
x0xx = Read position value (EnDat)
x3xx = Write parameter (EnDat)
x4xx = Read parameter (EnDat)
xAxx = Self-start-up (EnDat)
xBxx = Write zero point offset - encoder EEPROM (EnDat)
Adopts the parameter in encoder EEPROM (only
permissible for EQN 1325)
1xxx = For rotary encoders whose resolution ratio
between singleturn proportion of the protocol and
resolution encoders such as RCN226/727.
revolution)
is not equal to 4.
Index 03: Protocol setup SSI (0000)
xxxz = z = Number of non-significant leading zero bits
(SSI)
xx0x =Binary data (SSI)
xx1x = Gray-coded data (SSI)
x0xx = No alarm bit (SSI)
xzxx = Position of alarm bit after last data bit (SSI)
0xxx = No parity bit (SSI)
1xxx = Parity bit (SSI)
Index 04: MRS Code (Memory area, EnDat encoder only)
(AF)
zzzz = MRS code (memory area selection) (EnDat)
AF
xx
Index 05: Parameter address (EnDat encoder only) (0)
zzzz = Parameter address (EnDat)
O..F = memory area for customer parameter
xxxx = After EnDat specification/encoder data sheet
Index 06: Parameter value (EnDat encoder only) (0)
zzzz = Parameter value (EnDat)
Parameter value after MRS code and address
Settings of external encoders
Index 07: General (baud rate, SSI/EnDat...)
Siemens AG 6SE7087-6QX70 (Edition AL )
SIMOVERT MASTERDRIVES Compendium Motion Control
multiturn encoder (one increment every T6)
incremental tracks is not equal to four or for high-
Example EQI1325:
Singleturn proportion of EnDat protocol = 13 bits
P148.01 = 5 bits ( 2^5 = resolution of the
incremental tracks, number of pulses per
Resolution ratio = 2^13 / 2^5 = 256
The bit must be set because the resolution ratio
From V2.40 onwards the bit is set automatically.
= Memory area for customer parameters
= After EnDat specification/encoder data sheet
Data Read/write
index1: 101 Menus:
Unit: - - Parameter menu
Indices: 12 + Motor/encoder
Type: L2 + Encoder data
- Drive setting
- Upread/free access
Changeable in:
- Drive setting
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