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P1 Device Type (1x.038) : EnDat, BiSS*, SSI
Terminal
1/2 & 3/4
D1/CLK1
5/6
Z1
If the P2 Device type (2x.038) is set to EnDat, BiSS* or SSI and the encoder simulation output is
enabled, then the Z1 input becomes the data (D2) input for the P2 position interface and
termination resistors are always enabled and pull-apart resistors are always disabled.
1x.040
Minimum
Default
Type
Display Format
Coding
This parameter can be used to enable or disable position feedback trip functions as follows:
Bit
0
Enable wire break detection
1
Enable phase error detection
2
Enable SSI power supply alarm bit monitor
3
Disable trips Encoder PS to SSI Error P1
4
Disable the Setup Changed P1 trip
Bits 3 and 4 do not prevent the device from becoming un-initialized. The trip is suppressed, but the
device is still un-initialised and this is indicated by the appropriate bit for the position feedback
interface in Position Feedback Initialized (1x.076). Bits 0 to 2 enable the functions indicated and
allow trips to be initiated if the trip conditions occurs. However, the disable function controlled by Bit
3 takes precedence and will override the trip even if it is enabled by Bit 0 to 2.
If P1 Error Detection Level (1x.040) bit 4 is set then:
•
The drive will not trip if any of the setup parameters are changed whilst the drive is in the Inhibit
or Ready state. The encoder will be automatically re-configured with the new setting (no reset
required).
•
The drive will trip if any of the setup parameters are changed whilst running.
•
The Setup Changed P1 trip suppression is only active with AB, FD, FR, AB Servo, FDServo
and FR Servo type encoders, all other encoders will trip the drive if one of the setup parameters
has changed whether the drive is running or disabled.
* BiSS is not currently supported.
SI-Universal Encoder User Guide
Issue: 2
Input
1x.039 = 0
Enabled
Disabled
P1 Error Detection Level
0
(Display: 00000)
1
(Display: 00001)
8 Bit User Save
Binary
RW
Function
1x.039 = 1
Enabled
Disabled
31
Maximum
(Display: 11111)
Units
Update Rate
Background read
Decimal Places
0
1x.039 = 2
Enabled
Enabled
67
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