5
Recommended Operating Conditions
Parameter
Temperature HEDS Series
Temperature HEDM Series
Supply Voltage
Load Capacitance
Count Frequency
Shaft Perpendicularity
Plus Axial Play (HEDS Series)
Shaft Eccentricity Plus
Radial Play (HEDS Series)
Shaft Perpendicularity
Plus Axial Play (HEDM Series)
Shaft Eccentricity Plus
Radial Play(HEDM Series)
Symbol Min.
T
A
T
A
V
CC
C
L
f
-40
-40
4.5
5.0
Typ.
Max.
100
70
5.5
100
100
±
0.25
(± 0.010)
Units
°C
°C
Volts
pF
kHz
mm
(in.)
non-condensing atmosphere
Ripple < 100 mV
p-p
2.7 kΩ pull-up
Velocity (rpm) x N/60
6.9 mm (0.27 in.) from
mounting surface
6.9 mm (0.27 in.) from
mounting surface
6.9 mm (0.27 in.) from
mounting surface
6.9 mm (0.27 in.) from
mounting surface
Notes
0.04
mm (in.)
(0.0015)
TIR
±
0.175
(± 0.007)
mm
(in.)
0.04
mm (in.)
(0.0015)
TIR
Note:
The module performance is guaranteed to 100 kHz but can operate at higher frequencies. 2.7 kΩ pull-up resistors
required for HEDS-5540 and 5640.
Encoding Characteristics
Encoding Characteristics over Recommended Operating Range and Recommended Mounting Tolerances
unless otherwise specified. Values are for the worst error over the full rotation.
Part No.
HEDS-5500
HEDS-5600
(Two Channel)
Description
Pulse Width Error
Logic State Width Error
Phase Error
Position Error
Cycle Error
Pulse Width Error
Logic State Width Error
Phase Error
Position Error
Cycle Error
Pulse Width Error
Logic State Width Error
Phase Error
Position Error
Cycle Error
Index Pulse Width
CH. I rise after
CH. A or CH. B fall
-40°C to +100°C
Sym.
∆P
∆S
∆φ
∆Θ
∆C
∆P
∆S
∆φ
∆Θ
∆C
∆P
∆S
∆φ
∆Θ
∆C
P
O
t
2
t
2
Min.
Typ.*
7
5
2
10
3
10
10
2
10
3
5
5
2
10
3
90
100
150
Max.
45
45
20
40
5.5
45
45
15
40
7.5
35
35
15
40
5.5
125
250
1000
Units
°e
°e
°e
min. of arc
°e
°e
°e
°e
min. of arc
°e
°e
°e
°e
min. of arc
°e
°e
ns
ns
HEDM-5500
HEDM-5600
(Two Channel)
HEDS-5540
HEDS-5640
(Three
Channel)
55
-300
70
CH. I fall after
-40°C to +100°C
CH. B or CH. A rise
Note:
See Mechanical Characteristics for mounting tolerances.
*Typical values specified at V
CC
= 5.0 V and 25°C.
HP [ AGILENT(HEWLETT-PACKARD) ]
