ACU-RITE SENC 50 - Manual (Page 17)

15 Acu-Rite Companies Inc.
SENC 50 Electrical Specifications
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 or 1 volt peak to peak output
7-16µA
pp
or 1.0 V
pp
w/1 K Ohm load
Square-wave signal
TTL-level
Differential current or 1 volt peak to peak output
2-8µA
pp
or 1.2 V
pp
w/100 K Ohm load
5.1 ± 0.1 VDC @ 220 mA max. 5.0 ± 0.1VDC @ 75 mA max.
Digital
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) < 0.6Vdc
90°
360°
1 Count
(Phased)
Channel R+
1
0
0°
Channel A+
1
0
1
0
Channel B+
1
0
1
0
Channel B-
Channel A-
Channel R-
1
0
Channel R
Channel A
Channel B
0° 360°
I
A, B
:7-16 µA
pp
or
1.0 V
pp
I
R
:2-8 µA
pp
or
1.2 V
pp
90°