Position command, Motor position, Auxiliary encoder position – Rockwell Automation 2098-DSD-xxx Ultra3000 Digital Servo Drives with DeviceNet User Manual

Page 92: Position error, Dc bus voltage

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Publication 2098-RM004A-EN-P – August 2002

2-76

Programming Reference

125

Get

Tuning Status

BYTE

1

Status bits for the autotune procedure.
Bit 0 = Autotune Done
Bit 1 = Reserved
Bit 2 = Reserved
Bit 3 = Autotune Speed Too Low
Bit 4 = Autotune Timeout
Bit 5 = Distance Limit Reached
Bit 6 = Autotune Failed

126

Get

Digital Input
States

WORD

2

The present state of the digital hardware inputs.
Bit 0 = Input 1 State
Bit 1 = Input 2 State
Bit 2 = Input 3 State
Bit 3 = Input 4 State
Bit 4 = Input 5 State
Bit 5 = Input 6 State
Bit 6 = Input 7 State
Bit 7 = Input 8 State

127

Get

Digital Output
States

WORD

2

The present state of the digital hardware outputs.
Bit 0 = Output 1 State
Bit 1 = Output 2 State
Bit 2 = Output 3 State
Bit 3 = Output 4 State
Bit 4 = Relay State

128

Get

Encoder Signals

WORD

2

The preset state of the encoder signals.
Bit 0 = Auxiliary Encoder Z
Bit 1 = Auxiliary Encoder B
Bit 2 = Auxiliary Encoder A
Bit 3 = Motor Encoder S3
Bit 4 = Motor Encoder S2
Bit 5 = Motor Encoder S1
Bit 6 = Motor Encoder Z
Bit 7 = Motor Encoder B
Bit 8 = Motor Encoder A
Bit 9 = Motor Thermostat
Bit 10 = Negative Overtravel
Bit 11 = Positive Overtravel

129

Get

Analog Command
Input Value

INT

2

mV

The Analog Command Input value before any the
scale and offset are applied.

130

Get

Analog Output
Value

INT

2

mV

The Analog Output value.

131

Get

DC Bus Voltage

UINT

2

Volts

The measured voltage of the DC bus.

132

Get

Position
Command

DINT

4

Cnts

The commanded motor position which is input to the
position loop.

133

Get

Position Error

DINT

4

Cnts

The difference between commanded motor position
(Position Command) and actual motor position
(Motor Position).

134

Get

Motor Position

DINT

4

Cnts

Actual motor position.

135

Get

Auxiliary Encoder
Position

DINT

4

Cnts

Auxiliary encoder position.

Parameter Object,
Instances ID = 1- 1059

Parameter
Instance

Access
Rule

Parameter
Name

Data
Type

Data Size
(Bytes)

Units /
Scale

Description

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