Output Specifications - Renishaw QUANTiC RTLC40-S Installation Manual

Output specifications

Digital output signals
Form – Square wave differential line driver to EIA RS422A (except limits P and Q)
1
Incremental
2 channels A and B in quadrature (90° phase shifted)
Signal period P
A
B
Reference 1
Z
Synchronised pulse Z, duration as resolution. Bi-directionally repeatable.
NOTE: A wide reference mark option, outputting a reference pulse for the duration of the signal
period is available. Contact your local Renishaw representative for more information.
1
For clarity, the inverse signals are not shown.
2
Only the calibrated reference mark is bi-directionally repeatable.
Resolution S
Resolution
P (µm)
option code
T 40
D
20
X 4
Z 2
W
0.8
Y 0.4
H 0.2
2
Limits
Open collector output, asynchronous pulse (not available with 'A' cable termination)
Active high
S (µm)
10
P Q
5
1
0.5
0.2
0.1
Alarm
0.05
Line driven (asynchronous pulse)
(not available with 'A' cable termination)
E−
> 15 ms
Alarm asserted when:
• The signal amplitude is < 20% or > 135%
• The readhead speed is too high for reliable operation
or 3-state alarm
Differentially transmitted signals forced open circuit for > 15 ms when alarm conditions valid.
Repeatability < 0.1 mm
~ Length of limit actuator
www.renishaw.com 31