Renishaw RGH22 Installation Manual page 13

Output specifications
(continued)
Analogue output signals - type RGH22B and A (1Vpp)
Incremental
2 channels V and V differential sinusoids in quadrature (90° phase shifted)
1 2
20 µm
(V +) - (V -)
1 1
90°
(V +) - (V -)
2 2
Reference
0.8 to 1.2 Vpp
(V +) - (V -)
0 0
-18° 108°
0°
RGH22 RGS20 installation guide
0.6 to 1.2 Vpp with
green LED indication
and 120 Ω termination.
Differential pulse V - 18° to 108°.
0
Duration 126° (electrical).
Repeatability of position (uni-directional) maintained
within ±10 °C from installation temperature and for
speed < 250 mm/s.
Actuation device A-9531-0250 or A-9531-0037
Limit
open collector output
Single limit RGH22B
Length of actuating magnet
V
q
Repeatability
<0.1 mm typical
Asynchronous pulse V
q
Actuation device A-9531-0251, A-9531-2052 or A-9531-2054.
External set-up
5 (nom)
voltage at V
X
0
0 50% signal level
Dual limit RGH22A
Repeatability
<0.1 mm typical
P Q
Length of actuating magnet
Asynchronous pulse V
Between 50% and 70% signal level,
V is a duty cycle, 20 µm duration.
X
Time spent at 5 V increases with signal level.
At >70% signal level V is nominal 5 V.
X
70% 100%
V
p q
11