ACU-RITE Microscale User Manual
Page 16

ACU-RITE
®
14
Electrical Specifications
MicroScale
Channel R
Channel A
Channel B
0°
360°
I
A, B
:7-16 µA
pp
I
R
:2-8 µA
pp
Parameter
Analog
Output Signals
Incremental signals
Signal levels
Reference Mark signals
Signal level
Power Supply
Square-wave voltage signals.
Channels A and B, in 90°
quadrature relationship
TTL-level
Similar phasing, but differential
sinusoidal current output
7-16µA
pp
w/1 K Ohm load
Square-wave signal
TTL-level
Differential current output
2-8µA
pp
w/100 K Ohm load
IµA
IµA
5.1 ± 0.1 VDC @ 140 mA max.
5.0 ± 0.1VDC @ 80 mA max.
90°
I
OH
=(High level output current) = 20mA
V
OH
=(High level output voltage) >2.5Vdc
I
OL
=(Low level output current) = -20mA
V
OL
=(Low level output voltage) >0.5Vdc
90°
360°
1 Count
(Phased)
Channel R+
1
0
Digital
0°
Channel A+
1
0
1
0
Channel B+
1
0
1
0
Channel B-
Channel A-
Channel R-
1
0
For Single Ended output only
A+, B+, and R+ apply