Renishaw QUANTiC RTLC40-S Installation Manual page 32

Analogue output signals
Incremental
2 channels V and V differential sinusoids in quadrature, centred on ~1.65 V (90° phase shifted)
1 2
40 μm
(V +)−(V −)
1 1
0°
(V +)−(V −)
2 2
Reference
45°
(V +)−(V −)
0 0 360° (nom)
1
Only the calibrated reference mark is bi-directionally repeatable.
2
The set-up signal as shown is not present during the calibration routine.
32 QUANTiC RKLC40-S incremental linear encoder system
™
0.7 to 1.35 Vpp with green LED
(AGC off) and blue LED
(AGC on) indication (readhead)
and 120R termination.
0.8 to 1.2 Vpp
1
Bi-directionally repeatable.
Differential pulse V centred on 45°.
0
Limits
Open collector output, asynchronous pulse
Active high
Repeatability < 0.1 mm
V V
P Q
~ Length of limit actuator
2
Set-up
3.3 V (nom)
Voltage
at V
X
0
0 50%
Between 50% and 70% the signal level V
X
incremental signal level. At > 70% the signal level V
Signal level 70% 100%
is a duty cycle. Time spent at 3.3 V increases with
is nominal 3.3 V.
X