User guide

Acu-Rite Companies Inc.
ENC 250
™
MULTI-SECTION
11
Mechanical Specifications
Electrical Specifications
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
Parameter Digital
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
Differential - TTL
Square-wave pulse
Differential - TTL
5.1 ± 0.1 VDC @ 140 mA max.
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
Connecting cable: Length = .61m [2 ft]
Armor Connector: DE-9P
Mechanical Specifications Digital
Resolution 5µm [0.0002 in.]
Grating pitch 100µm [0.00393 in]
Scale medium Reflective Metal Tape
Accuracy @ 20° C ± 15µm/M [0.00018 in/ft]
Max. cable length 22.9m [75 ft.] VRO / 10.7m [35 ft.] DRO
Measuring length 6240mm [246”] - 19,640mm [773”]
Force required to move
reading head ± 3.3 Newtons [0.75 lbs]
Max. slew speed 1 M/sec [40 in/sec.]
Operating Environment:
Temperature 0° to 40° C [32° to 104°F]
Relative Humidity 20% to 95% (non-condensing)
Storage Environment:
Temperature -40° to 60° C [-40° to 140°F]
Humidity 20% to 95% (non-condensing)
Weight w/cable 1 kg + 3.2kg/m [2.2 lbs. + 0.18 lbs/in] of measuring length
Reference Mark Interval 100mm [3.937”] Distance encrypted