Table of Contents
Advertisement
Output specifications
Digital output signals
Form – Square wave differential line driver to EIA RS422A
Incremental *
2 channels A and B in quadrature
Signal period
A
B
Reference *
Z
Alarm
Line driven (Asynchronous pulse)
(Not available with 'A' cable termination)
> 15 ms
E−
or 3-state alarm
Differentially transmitted signals forced open circuit for > 15 ms when alarm conditions valid.
* Inverse signals not shown for clarity
†
40 μm ATOM DX only
20 μm ATOM DX only
‡
Only calibrated reference mark is bi-directionally repeatable
ATOM DX
linear installation guide
(90° phase shifted)
Resolution option code
Resolution
Synchronised pulse Z, duration as resolution.
Bi-directionally repeatable
Alarm asserted when:
– Signal amplitude < 20% or > 135%
– Readhead speed too high for reliable operation
P (μm)
S (μm)
†
T
40
10
D
20
5
†
G
8
2
X
4
1
Z
2
0.5
W
0.8
0.2
Y
0.4
0.1
H
0.2
0.05
M
0.16
0.04
I
0.08
0.02
O
0.04
0.01
Q
0.02
0.005
‡
R
0.01
0.0025
33
Advertisement
Table of Contents
