Installation instructions
Absolute Shaft Encoders Type RA 58-S/M,
RA 59-S
Item No.
2 540 120,
Edition: 3050799hu
Page 1 of 4
Hengstler GmbH
Postfach 11 51
D-78550 Aldingen
Tel. 07424 鈥?890
Fax 07424 鈥?89370
Introduction
These installation instructions are provided for the connection and starting
procedure of your shaft encoder.
You will get further information from our Shaft Encoders Catalogue or on
request.
This sign marks paragraphs particularly to be observed to assure pro-
per use and to avoid risks.
Electrical data parallel
Resolution
360 increments (9 bit)
1)
512 increments (9 bit)
720 increments (10 bit)
2)
1024 increments (10 bit)
4096 increments (12 bit)
8192 increments (13 bit)
16384 increments (14 bit)
4096 increments/16 turns (16 bit)
4)
4096 increments/256 turns (20 bit)
4)
4096 increments/4096 turns (24 bit)
4)
鹵 錕?frac12; LSB (鹵 1 LSB for 13 and 14 bit)
Gray, Gray Excess, Binary
switchable by Direction input
5 VDC
鹵10 %
, 10鈥?0 VDC
3)
600 mA (9 ... 14 bit), 900 mA (16 ... 24 bit)
T 0.8 A (9 ... 14 bit), T 1.2 A (16 ... 24 bit)
max. 100 kHz
Direction, Latch, Tristate
30 mA, short circuit proof
Open collector, NPN (for U
B
= 5VDC max. 5mA,
24 V; for U
B
= 10...30 VDC: max. 5 mA, 32 V)
Max. cable length
1)
3)
5)
Safety and Operating Instructions
鈥?The absolute shaft encoders of the type RA 58/59 model series are quality
products manufactured in accordance with established electrical engineering
standards.
The units have been delivered from the factory in perfect conformance to
safety regulations. To maintain this condition and to ensure trouble-free
operation, please observe the technical specifications of this document.
鈥?Installation and mounting may only be performed by an electrotechnical expert!
鈥?The units may only be operated within the limits specified by the technical data.
鈥?/div>
Maximum operating voltages must not be exceeded!
The units are designed complying with DIN EN 61010-part 1, protection class III.
To prevent dangerous structure-borne currents, the equipment has to be run on
safety extra-low voltage (SELV) and must be in an area of equipotential bonding.
Use an external fuse for protection (see Electrical data).
鈥?Fields of application: industrial processes and controls.
Overvoltage at the connecting terminals must be limited to overvoltage
class-II values.
鈥?Please avoid shocks to the housing 鈥?especially to the encoder shaft 鈥?and
axial or radial overload to the encoder shaft.
鈥?Maximum accuracy and durability of our shaft encoders is only granted with
suitable couplings.
鈥?The high-quality EMC-specifications are only valid together with standard-
type cables and plugs. When using screened cables, the screen must broadly
be connected with ground on both ends. Also the voltage supply lines should
be screened completely. If this is not possible, the corresponding filter mea-
sures are to be taken.
鈥?Installation environment and wiring have a significant impact on the encoder's
EMC: Thus the installer must secure EMC of the whole facility (device).
鈥?In electrostatically threatened areas please take care for neat ESD-protection
of plug and connecting cable during installation work.
Linearity
Type of code
Sequence of code values
Supply voltage (SELV)
Max. current consumption
Recommended external fuse
Code switching frequency
Inputs
5)
Output load
Alarm output
100 m
2)
with offset 76 (range of values 76 ... 435)
with offset 152 (range of values 152 ... 871)
4)
Not with RA59
Reverse battery protection
Operating delay time typically 10 ms for push-pull control. When controlling with PNP-Open Collector, an
external pull-down resistor (1 k鈩?
is needed.
Connection diagrams for parallel interface
Parallel interface with PVC-cable (single-turn, 13-14 Bit)
Colour
grey/pink
brown/yellow
brown/grey
red/blue
violet
white/brown
white/green
white/yellow
white/grey
white/pink
white/blue
white/red
white/black
brown/green
yellow
1)
pink
2)
green
3)
black
red
brown
1)
13 Bit
N.C.
S0 (LSB)
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12 (MSB)
Tristate S0鈥12
Latch (binary only)
Direction
0V
5/10鈥?0 VDC
Alarm
=
=
=
=
=
=
14 Bit
S0 (LSB)
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13 (MSB)
Tristate S0鈥13
Latch (binary only)
Direction
0V
5/10鈥?0 VDC
Alarm
Item No. 2 540 120,
3050799hu
Outputs active
Outputs at high impedance (Tristate mode)
Encoder data continuously changing at output
Encoder data stored and constant at output
Ascending code values when turning cw
Descending code values when turning cw
Mechanical data
RA 58: 6 mm (synchro flange), 10 mm (clamping fl.)
RA59: 9.52 / 10 mm (square flange)
Max. shaft load
鈭?/div>
6 mm - axial 60 N (13 lbs), radial 110 N (24 lbs)
鈭?/div>
9.52/10 - axial 107 N (24 lbs), radial 160 N (35 lbs)
Speed
10000 rpm (short term), 6000 rpm (continuous duty)
Torque
鈮?/div>
0.5 Ncm (IP64),
鈮?/div>
1 Ncm (IP 67)
Moment of inertia
Synchro flange approx. 14 gcm
2
Clamping flange, square flange approx. 20 gcm
2
Protection class housing/bearing IP 65/64
4)
(IP 67 for singleturn on request)
General design
acc. to DIN EN 61010 part 1, protection class III,
contamination level 2, overvoltage class II
Operating temperature
-25 ... +85 擄C (SSI, Parallel)
鈥?0 鈥?+60擄C (INTERBUS)
Storage temperature
鈥?5 鈥?+85擄C
Vibration performance (IEC 68-2-6) 100 m/s
2
(10 鈥?500 Hz)
Shock resistance (IEC 68-2-27) 1000 m/s
2
(6 ms)
Connection
cable axial/radial, connector axial/radial,
connector 2-fold radial
3)
, bus terminal box
3)
Housing
RA58: aluminium; RA59: stainless steel
Flange
RA58: S=Synchro flange
1)
, K=Clamping flange
2)
RA59: Q=square flange 63.5 x 63.5
Weight
RA58: approx. 300 g (single-turn), 350 g (multi-turn)
RA59: approx. 620 g (single-turn)
Bearing life
1 x 10
10
revolutions (typ.) at 35% of full rated shaft load
1 x 10
9
revolutions (typ.) at 75% of full rated shaft load
1 x 10
8
revolutions (typ.) at 100% of full rated shaft load
1)
4)
2)
Fixing with M3 or M4 screws
3)
only with InterBus
Fixing with M4 screws
there must be no standing water present at the shaft input or bearings
Shaft diameter
+ U
B
or unattached
0V
2)
Latch:
+ U
B
or unattached
0V
3)
Direction: + U or unattached
B
0V
N.C.
LSB
MSB
S0, S1, 鈥?/div>
Tristate:
=
Not Connected
= Least Significant Bit
= Most Significant Bit
= Data bits for resolution per turn
Subject to technical modifications and improvements serving the progress of our devices.
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