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Maximum Speed

Scale Length/Diameter

Maximum Speed*

Linear

All Lengths

7200mm/s

Rotary

0.75”

8640 RPM

1.25”

5273 RPM

2.25”

2637 RPM

4.25”

1318 RPM

*Assumes customer electronics have adequate bandwidth

Analog Output

Pins 1,2,3 and 4

20µm

20µm Typical

5VDC

90°

Mercury 1200 Outputs

10-pin interface

PIN

FUNCTION

1

Sine +

2

Sine -

3

Cosine +

4

Cosine -

5

+ 5 V DC

6

Reserved - Do Not Connect

7

Reserved - Do Not Connect

8

Index Window -

9

Index Window +

10

Ground

4.11

.162

5.59

.220

15.24

.600

1.75

.069

8.85

.348

2.44

.096

3.76

.148

7.5

.295

8.75

.344

THRU.

2X 0-80UNC-2B

12.70

.500

4X R

1.19

.047

4.65

.183

8.38

.330

3.22

.127

PIN SPACING

1.28

.050

PIN 1

PIN 5

PIN 6

PIN 10

Mechanical Information - Sensor

All Specifications are subject to change. All data is accurate to the best of our knowledge.

MicroE Systems is not responsible for errors.

1.6 V pp

(Differential)

Across 2k

Ω

resistor

Index Window

Pin 9

System Specifications

System

Grating Period

20µm

Signal Period

20µm

System Resolution Fundamental resolution: Linear 20µm; Rotary 2,500 - 16,384 CPR

Interpolated resolution determined by customer electronics:

Linear: 20µm - 0.078µm; rotary: 2,500 to 4.2M CPR

Linear Accuracy*

Better than ±1µm available; contact MicroE

Better than ±3µm up to 130mm, ±5µm from 155mm to 1m,

±5µm per meter from 1m to 2m

*Maximum peak to peak error over the specified movement when compared to a NIST-traceable laser interferometer standard,

used at room temperature and with MicroE interpolation electronics.

Rotary Accuracy* Scale O.D.

Microradians

Arc-Seconds

12.00mm

±100

±21

19.05mm

±63

±13

31.75mm

±38

±7.8

57.15mm

±19

±3.9

107.95mm

±10

±2.1

*Based on ideal scale mounting concentricity

Sensor Size

W:

12.70mm

0.500"

L:

15.24mm

0.600"

H:

5.59mm

0.220"

Operating and Electrical Specifications

Power Supply

5VDC ±5% @ 33mA

Temperature

Operating:

0 to 70°C

Storage:

-20 to 70°C

Humidity:

10 - 90% RH non-condensing

Shock:

1500G 0.5ms half sine

Sensor Weight:

2.6g ( Sensor without cable )