System Specifications
System
Grating Period
20µm
System Resolution 5µm, 2.5µm, 1.00µm, or 0.50µm (linear)
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.
**Or +/- one quadrature count, whichever error value is greater.
Mercury 1500P Outputs
10-pin interface
PIN
1
2
3
4
5
6
7
8
9
10
FUNCTION
B-
B+
Sin + *
Cos + *
+ 5 V DC
Index Window +
Index Window -
A+
A-
Ground
Rotary Accuracy* Scale O.D.
12.00mm
19.05mm
31.75mm
57.15mm
107.95mm
Microradians**
±100
±63
±38
±19
±10
Arc-Seconds**
±21
±13
±7.8
±3.9
±2.1
*Based on ideal scale mounting concentricity
**Or +/- one quadrature count, whichever error value is greater.
* Analog outputs are for sensor alignment only.
Output Signals**
Sensor Size
W:
L:
H:
12.70mm
15.24mm
5.59mm
0.500"
0.600"
0.220"
Pins 8 & 9
Pins 2 & 1
A
B
Quadrature TTL
Operating and Electrical Specifications
Power Supply
Temperature
Operating:
Storage:
Humidity:
Shock:
Sensor Weight:
5VDC ±5% @ 33mA1
Resolution
0 to 70°C
-20 to 70°C
10 - 90% RH non-condensing
1500G 0.5 ms half sine (Sensor)
2.6g
Index Window
20µm Typical
Pins 6 & 7
5VDC
** Inverse signals not shown for clarity.
1 Note: a voltage regulator on the customer’s printed circuit board, such as Analog
Devices’ ADP 3334 or equivalent, is recommended at the 5V input to the encoder
for maximum reliability.
Alignment Signals
20µm
Pins 3 & 4
800mVp-p ± 25%
on a 1.7V DC off-
set.
Mechanical Information - Sensor
.126 3.21
PI N 1
.050 1.28
PIN SP ACING
PI N 5
90°
.600 15.24
.069 1.75
2X 0-80UNC-2B
THRU.
.295 7.49
.344 8.75
.500 12.70
.148 3.76
.162 4.11
.220 5.59
.330 8.38
PI N 10
.183 4.65
PI N 6
.096 2.44
4X R.047 1.19
.348 8.85
All Specifications are subject to change. All data is accurate to the best of our knowledge.
MicroE Systems is not responsible for errors.
Page 4 of 6
MICROESYS [ GSI Group, Inc. ]
