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Specification No. 02053-002 Rev.08-11
These commodities, technology or software if exported from the United States must be in accordance with the Bureau of Industry, and Security, Export Administration regulations. Diversion contrary to U.S law is prohibited.
H40 Absolute Shock-Proof Encoder
Built to the same rugged standards as the H40 Incremental
Heavy Duty encoder, this unit features an absolute encoder out-
put up to 13 bits of resolution. Designed to take the rigors of
physically demanding environments, the H40 has a heavy-duty
housing, a 100+ pound bearing, and internal shock absorbers.
When you need absolute position in a really tough environ-
ment— the H40 absolute is what you need.
Electrical Specifications
Code: 12 or 13 bits NB or GC; excess gray
and BCD available
Counts Per Shaft Turn: 4096 or 8192
Count Transition Accuracy:
± 1/2 bit maximum
Supply Voltage: 5–28 VDC
Current Requirements: 120 mA typical
Output Formats: Parallel: Gray Code, Natural
Binary and Binary Coded Decimal; Serial: Serial
Synchronous Interface (SSI) compatible;
Analog: 4-20 mA, 0-10V
Voltage/Output: (see note 5)
28V/V: Line Driver, 5–28 VDC in, V
out
= V
in
28V/5: Line Driver, 5–28 VDC in, V
out
= 5 VDC
28V/OC: Open Collector, 5–28 VDC in OC
out
SSI: 5–28 VDC in/5V
out
(consult factory)
Protection Level: Reverse, overvoltage and output
short circuit protection
Frequency Response: 100kHz
(1200 RPM for 12-bits, 600 RPM for 13-bits)
Output Termination Pinouts: see Table
Mechanical Specifications
Shaft Diameter: 5/8” nominal
Flats On Shaft:
Two flats, 0.75” long X 0.30” deep at 90º
Shaft Loading/Bearing Life:
Refer to Figure 1
Shaft Runout: 0.001” T.I.R. at mid-point of shaft
Starting Torque at 25° C: 10.0 in-oz (max)
Bearings: Class 52100 SAE high carbon steel
Shaft Material:
1070 carbon steel, 303 stainless steel optional
Enclosure: Die cast aluminum, hard anodized with
optional sealed finish. Shaft seals and sealed bearings
are standard to achieve environmental ratings.
Maximum RPM: 10,000 RPM
(see Frequency Response)
Coupling Windup: The H40 uses an internal cou-
pling. Windup error (degrees) = a X 7.5 X 10
-4
rad/
sec
2
where a = angular acceleration in rad/sec
2
Weight: Approx 9 lbs
Environmental Specifications
Enclosure Rating: NEMA 4 X & 6 (IP66), outdoor
Non-Hazardous locations, NEMA 4 X & 13 (IP66),
indoor Non-Hazardous locations
Hazardous Area Rating: The optional Underwriters
Laboratories listed version is for use in hazardous
locations; NEMA Enclosure 7. Class 1, Group D,
Division 1, NEC Class 2 circuits only
Temperature: Operating, 0º to 70º C; extended
temperature testing available (see note 8, pg 64);
80º C max for UL and CEN approved units; storage;
-25º to 90º C
Shock: 200 g’s at 11msec
Vibration: 5 to 2000 Hz @ 20 g’s
Humidity: 100% RH
NOTES & TABLES: All notes and tables referred to
in the text can be found on the back of this page.
CODE TYPE:
GC = Gray Code
NB = Natural Binary
BCD = Binary Coded Decimal
X = Excess gray code
HOUSING
CONFIGURATION:
A = Base Mounted Feet
B = No Mounting Feet
H40 Absolute Encoder Ordering Options FOR ASSISTANCE CALL 800-350-2727
Use this diagram, working from left to right to construct your model number (example: H40A-12GC-28V/V-CW-SC-UL).
All notes and tables referred to can be found on the back of this page.
TYPE:
H = Heavy Duty;
40 = 4.00”
Square
NUMBER OF BITS:
12 = 12-Bits, 4096 counts per turn
13 = 13 Bits, 8192 counts per turn
14, 15, HMT—Consult factory
(Excess gray codes and BCD
available—consult factory)
VOLTAGE/OUTPUT:
28V/V = 5-28V
in/out
28V/5 = 5-28V
in
/5V
out
28V/OC = 5-28V
in
/OC
out
A1 =4-20mA
A2 =0-10V
S1 = RS422 Asynchronous
Serial Interface
S3 =Serial Synchronous
Interface
See note 5
(more SSI options available—consult factory)
OUTPUT TERMINATION:
SC = Side Conduit
EC = End Conduit; Conduit uses 1/2-14
NPSF (dryseal) straight pipe threads;
EM18 = MS3102R18-1P
DIRECTION OF COUNT:
CW = Clockwise increasing count
CCW = Counter clockwise
increasing count
SPECIAL
FEATURES:
S = Special features
specified
on purchase order
(consult factory)
See note 6
H40
(3 pages)
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