Digitax HD M753 Control User Guide
71
Issue Number: 3
* These settings should only be used in RFC-A mode. If used in RFC-S mode a phase offset test must be performed after every power up.
Incremental encoder with Frequency and Direction (F and D) or Forward and Reverse (CW and CCW) signals with or without commutation
signals.
Device Type
(03.038)
FD
(1) for frequency and direction signals without commutation signals*
FR
(3) for forward and reverse signals without commutation signals*
FD
Servo (4) for frequency and direction signals with commutation signals
FR
Servo (5) for forward and reverse signals with commutation signals
Supply Voltage
(03.036)
5 V
(0),
8 V
(1) or
15 V
(2)
If output voltage from the encoder is > 5 V, then the termination resistors must be disabled. Set Pr
03.039
to 0
Rotary Line Per Revolution
(03.034)
Set to the number of pulses per revolution of the encoder divided by 2.
Termination Select
(03.039)
0 = F or CW, D or CCW, Z termination resistors disabled
1 = F or CW, D or CCW termination resistors enabled and Z termination resistors disabled
2 = For CW, D or CCW, Z termination resistors enabled
Marker Mode
(03.031)
Error Detection Level
(03.040)
NOTE
Bit
Description
3
2
1
0
x
x
x
1
No action is taken unless marker flag is zero before marker event occurs
x
x
1
x
Pr
03.028
and Pr
03.058
are set to zero
x
1
x
x
Pr
03.028
, Pr
03.029
, Pr
03.030
and the related part of Pr
03.058
are not reset.
Pr
03.058
is transferred to
Pr
03.059
and
Pr
03.032
is set to 1.
1
x
x
x
Undefined state region range is reduced from -30 mV to 30 mV. The marker pulse
is only recognized if the pulse is 10
s wide.
Bit
Description
3
2
1
0
x
x
x
1
Enable wire break detection
1
x
x
x
Disable trips
Encoder 1
to
Encoder 7
Absolute Sincos encoder with Hiperface, EnDat or BiSS serial communication, or
Absolute EnDat or BiSS communication only encoder
Device Type
(03.038)
SC Hiperface
(7) for a Sincos encoder with Hiperface serial communications
EnDat
(8) for an EnDat communications only encoder
SC EnDat
(9) for a Sincos encoder with EnDat serial communications
BiSS
(13) for an BiSS communications only encoder
SC BiSS
(17) for a Sincos encoder with BiSS serial communications
Supply Voltage
(03.036)
5 V
(0),
8 V
(1) or
15 V
(2)
Auto-configuration Select
(03.041)
Auto-configuration is enabled at default and automatically sets up the following parameters.
Rotary Turns Bits
(03.033)
Rotary Lines Per Revolutions
(03.034)
Comms Bits
(03.035)
These parameters can be entered manually when Pr
03.041
is set to Disabled (0).
Comms Baud Rate
(03.037)
100 k, 200 k, 300 k, 400 k, 500 k, 1 M, 1.5 M, 2 M, 4 M
Error Detection Level (03.040)
So for example, to enable the wire break and phase error detection, set Pr
03.040
to 0011.
Bit
Description
3
2
1
0
x
x
x
1
Enable wire break detection
x
x
1
x
Enable phase error detection
1
x
x
x
Disable trips
Encoder 1
to
Encoder 6
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