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www.haophuong.com
Catalog cs contactor d range-dienhathe.vnDien Ha The
Khoa Học - Kỹ Thuật & Giải Trí: http://phongvan.org
Tài Liệu Khoa Học Kỹ Thuật: http://tailieukythuat.info
Thiết bị Điện Công Nghiệp - Điện Hạ Thế: http://dienhathe.vn
Công ty TNHH Hạo Phương
Chuyên phân phối các thiết bị: Đèn báo nút nhấn, Relay, Timer, Contactor, MCCB ELCB, Biến tần, Van, Thiết bị cảm biến, phụ kiện tủ điện, .... Từ các thương hiệu hàng đầu trên thế giới.
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Kubernetes & AI - Beauty and the Beast !?! @KCD Istanbul 2024Tobias Schneck
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Join us for an insightful dive into the world of FME parameters, a critical element in optimizing workflow efficiency. This webinar marks the beginning of our three-part “Essentials of Automation” series. This first webinar is designed to equip you with the knowledge and skills to utilize parameters effectively: enhancing the flexibility, maintainability, and user control of your FME projects.
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GDG Cloud Southlake #33: Boule & Rebala: Effective AppSec in SDLC using Deplo...James Anderson
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The modern software delivery process (or the CI/CD process) includes many tools, distributed teams, open-source code, and cloud platforms. Constant focus on speed to release software to market, along with the traditional slow and manual security checks has caused gaps in continuous security as an important piece in the software supply chain. Today organizations feel more susceptible to external and internal cyber threats due to the vast attack surface in their applications supply chain and the lack of end-to-end governance and risk management.
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Bob Boule
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Gopinath Rebala
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Length: 30 minutes
Session Overview
-------------------------------------------
During this webinar, we will cover the following topics while demonstrating the integrations of JMeter, InfluxDB and Grafana:
- What out-of-the-box solutions are available for real-time monitoring JMeter tests?
- What are the benefits of integrating InfluxDB and Grafana into the load testing stack?
- Which features are provided by Grafana?
- Demonstration of InfluxDB and Grafana using a practice web application
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https://www.rttsweb.com/jmeter-integration-webinar
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In a second workflow supporting the same use case, you’ll see:
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2. About ServoTek Products 3
Technical Specifications 4
Mounting Dimensions 5
A Series “0 to 10VCDC” Tachometers 6
B Series “11 to 24VDC” Tachometers 7
D Series “25 to 50VDC” Tachometers 8
E Series “3VDC Subminiature” Tach. 9
F and H “Low Ripple” Tachometer 9
Ruggedized Tachometers 10
Tachometer/Pulser Option 10
Incremental Encoders 11
Tachsyn Transducer 13
Accessories 16
ServoTek Products
Becoming a member of the Bellofram Group of
Companies in 2011, ServoTek Products Inc., is a
world renowned manufacturer of Instrument-grade
DC tachometers, low cost encoders, and tachsyn
transducers, serving OEM customers involved in
aerospace, automotive, industrial machinery
control, robotics, lift and process monitoring
related applications.
ServoTek Products are known for their rugged de-
signs, high-reliability performance in challenging
environments, and proven pedigree across thou-
sands of successful field installations.
Our Tachsyn tach/commutator is a unique transducer that can be used as a
brushless dc tachometer and/or as a brushless dc
motor commutator. The Tachsyn transducer is a magnetic sensing device in
which the output windings, field winding, and permanent magnet are all
located in the stator, thus maximizing reliability.
ServoTek Tachometer/Pulser delivers both the linear analog output from a
tachometer and a digital pulse train to provide speed/position control feed-
back from a rotating devices such as motors or conveyor rollers. The pulser
produce from four to twelve well-defined square-wave pulses per revolution.
Our tachometer generators provide a convenient and economical means of
converting rotational speed into an isolated analog voltage signal. ServoTek
tachometers offers better than 0.1% linearity output, and the ripple is less than
3% of the DC value. We also offer tachometers with lower ripple of 1.5% of
the dc value.
ServoTek Incremental Encoders offers a low cost solution for measuring shaft
speed/position. The encoders can be used to supply digital feedback for mo-
tor speed control and speed indication. ServoTek offers both the hollow shaft
design, and the screw mount design for applications where space is limited.
2 3
ELECTROMATE
Toll Free Phone (877) SERVO98
Toll Free Fax (877) SERV099
www.electromate.com
sales@electromate.com
Sold & Serviced By:
3. Mounting Dimensions
Technical Data
ServoTek Products DC Tachometer generators provide a convenient and economical means of converting rotational speed into
an isolated analog voltage signal suitable for remote indication and control. While the following contain information on our
most popular models, we also manufacture countless specials. The data presented here is true of all models outlined in this
web page.
Construction
ServoTek Tachometer generators are housed in aluminum casings protected in accordance with MIL-C-5541 or MIL-A-8625.
Alnico permanent magnets are used. Armature shafts are stainless-steel, and rotate on fully-shielded stainless-steel ball
bearings. Commutators are made from alloy containing 95% silver. Armature laminations are wound with Isomid insulated
wire, over Teflon slot insulation. The entire armature is impregnated and baked, resulting in a NEMA Class H insulation system.
Brush Life
Brushes and commutators (in generators) are rated for a minimum of 100,000 hours operation at 3,600 RPM (equivalent to
10 years continuous operation) at 1mA output. (50,000 hours on Series E.)
Linearity
Linearity at any speed is better than 0.1% of the output at the rpm.
Ripple
The ripple rms value will not exceed 3% of the DC value at any speed in excess of 40 rpm on standard units; 1.5% on low-
ripple models.
Bidirectional Operation
All ServoTek generators operate in either rotational direction. That direction can be determined by output voltage polarity.
Output (in either direction) is held to a tolerance of 0.25% of the average output.
Stability
Optimum brush and commutators combination gives 0.1% stability. Highly stable output gives no evidence of long-term drift.
Breakdown Voltage
ServoTek tachometer generators are factory tested with an ac potential of 1,250 volts rms applied for one second between
(either) terminal and the shaft. (Series E—500 volts.)
Temperature Range
Tachometers are designed for continuous operation in ambient temperatures ranging from –55°C to 100°C (–67°F to +212°F).
Voltage output at 25°C will not deviate by more than 0.01% per degree of change within the range of –20°C to +75°C. All
units are temperature compensated, with the exception of Series D and E.
Six Armature / Winding specifications
ServoTek Tachometer Generators are grouped in six series, each identified by a letter immediately following the digit string in
the middle of the model number. This series designator identifies armature length and characteristics.
The groupings breakdown this way:
A—single-length armature
B—2 x A-length armature
D—4 x A-length armature
E—Subminiature armature
F—single-length armature specially wound for extra-low ripple output voltage
H—B-length armature wound for extra-low ripple output
As the dimensions of the armature (with commutator) change, so do the outline dimensions of the permanent magnet and the
housing that encloses it. The larger the desired output voltage, the longer the armature winding. When the existing space is
exhausted, the armature is made longer to increase voltage output (e.g. moving from armature A to B). Note that the Series
designator refers to the armature length, not the housing length. The housing length will change with the level of ruggedization
or other special construction requirements of a given application.
Standard housings, except for the E series (subminiature), are 1.135” in diameter. Ruggedized housings have larger
diameters, as required by the application.
54
DC Tachometer Generators
All dimensions are in inches.
.060±.003
(3) 2-56 TAP
EQ. SP. ON
.875 B.C.D.
.20 HOLE DEPTH
ø1.111 +/- 0.003
ø0.500 +/- 0.001
Fig. 1
SA Face Mount
0.060 +/- .003
ø0.500 +/- 0.001
0.937 +/- .003
1.187 MAX
(4) .120 DIA.
Fig. 2
SB Flange Mount
0.060±.003
.250 +/- 0.002
ø0.500 +/- 0.001
Fig. 3
SD Clamp Mount
Fig. 6
SU Large Flange
0.060±.003
.206 +/- .005
ø1.750 +/- 0.003
(4) .120 DIA.
EQ. SP. ON
1.500 B.C.D.
ø0.500 +/- 0.001
Fig. 5
SN Automotive
.820
1.125
+0.01
-0.00
7/8 -18 THD.
X. 604 DP.
Fig. 4
SM Aircraft Mount
.125±.003.192 +/- 0.005
ø1.500 +/- 0.001
2.500
1.875±.003
(4). 281 DIA
Fig. 7
SS Syncro Mount
.062
0.450 +/- 0.005
ø760 MAX
.040
ø0.500 +/- 0.005
+0.000
-0.005ø0.670
Fig. 8
DA Mount
.060
.250
ø2.500 +/- 0.002
ø.281 THRU
(4) HOLES EQ.SP.
ON A ø3.978 B.C.
ø4.594
Fig. 9
Rugged Mount
.060
.250
ø2.500 +/- 0.002
4.594
ø.281 THRU
(4) HOLES EQ.SP.
ON ø3.978II.003
ELECTROMATE
Toll Free Phone (877) SERVO98
Toll Free Fax (877) SERV099
www.electromate.com
sales@electromate.com
Sold & Serviced By:
4. Tachometers with 7–24VDC Outputs
Model# Mounting (page 5) V/1000RPM RPM Max. Sealed Shaft Size
SA-740A-7 Face (Fig. 1) 2.6VDC±3% 12000 No 0.120”
SB-740A-7 Flange (Fig. 2) 2.6VDC±3% 12000 No 0.120”
SB-7427A-7 Flange (Fig. 2) 2.6VDC±3% 12000 No 0.120”
SA-7103A-5E Face (Fig. 1) 3VDC±3% 12000 No 0.187”
SA-740A-5E Face (Fig. 1) 3VDC±3% 12000 No 0.120”
SA-7103A-3 Face (Fig. 1) 5VDC±3% 12000 No 0.187”
SB-740A-1L Flange (Fig. 2) 5VDC±1% 12000 No 0.120”
SA-757A-3A Face (Fig. 1) 5.5VDC±3% 12000 No 0.187”
DA-7533A-2 PY Mount (Fig. 8) 7.0VDC±3% 12000 No 0.3125”
SA-7103A-2 Face (Fig. 1) 7.0VDC±3% 12000 No 0.187”
SA-7125A-2 Face (Fig. 1) 7.0VDC±3% 12000 No 0.2495”
SA-740A-2 Face (Fig. 1) 7.0VDC±3% 12000 No 0.120”
SA-7534A-2 Face (Fig. 1) 7.0VDC±3% 12000 No 0.120”
SA-757A-2 Face (Fig. 1) 7.0VDC±3% 12000 No 0.187”
SA-796A-2 Face (Fig. 1) 7.0VDC±3% 12000 No 0.187”
SB-740A-2 Flange (Fig. 2) 7.0VDC±3% 12000 No 0.120”
SB-7491A-2 Flange (Fig. 2) 7.0VDC±3% 12000 No 0.187”
SB-757A-2 Flange (Fig. 2) 7.0VDC±3% 12000 No 0.187”
SD-7146A-2 Clamp (Fig. 3) 7.0VDC±3% 12000 No 0.120”
SD-740A-2 Clamp (Fig. 3) 7.0VDC±3% 12000 No 0.120”
SN-763A-2 Automotive (Fig. 5) 7.0VDC±3% 12000 No 0.187”
ST-7336A-2 Face (Fig. 1) 7.0VDC±3% 12000 Yes w/Boot 0.120”
ST-7468A-2 Face (Fig. 1) 7.0VDC±3% 12000 No 0.187”
ST-7553A-2 Face (Fig. 1) 7.0VDC±3% 12000 Yes w/Boot 0.187”
SU-780A-2 Large Flange (Fig. 6) 7.0VDC±3% 12000 No 0.187”
SA-7103A-2C Face (Fig. 1) 7.21VDC±1.75% 12000 No 0.187”
SA-740A-1 Face (Fig. 1) 10VDC±2% 12000 No 0.120”
SB-757A-1 Flange (Fig. 2) 10VDC±2% 12000 No 0.187”
76
Tachometers with 1–10VDC Outputs
A-Series—DC Tachometers
DC Tachometers with output signal between 1 and 10 volts/1000 RPM
A-Series tachometers are designed for use in applications requiring an output signal between
1 and 10 volts/1000 RPM. The units come in three basic configurations, instrument, industrial,
and automotive.
Item Mounting (page 5) V/1000RPM RPM Max. Sealed Shaft Size
CN-7480B-6A Flange (Fig. 2) 7.0VDC±3% 8000 No 0.3125”
SA-7103B-1 Face (Fig. 1) 20.8VDC±5% 8000 No 0.187”
SA-740B-1 Face (Fig. 1) 20.8VDC±5% 8000 No 0.120”
SA-7499B-1 Face (Fig. 1) 20.8VDC±5% 8000 No 0.187”
SA-757B-1 Face (Fig. 1) 20.8VDC±5% 8000 No 0.187”
ST-7337B-1 Face (Fig. 1) 20.8VDC±5% 8000 Yes w/Boot 0.187”
ST-7453B-1 Syncro (Fig. 7) 20.8VDC±5% 8000 No 0.187”
BA-7107B-1 Large Flange (Fig. 6) 20.8VDC±5% 8000 No 0.187”
SB-7123B-1 Flange (Fig. 2) 20.8VDC±5% 8000 No 0.187”
SB-740B-1 Flange (Fig. 2) 20.8VDC±5% 8000 No 0.120”
SB-757B-1 Flange (Fig. 2) 20.8VDC±5% 8000 No 0.187”
SU-7114BW-1 Large Flange (Fig. 6) 20.8VDC±5% 8000 No 0.187”
SU-7346B-1 Large Flange (Fig. 6) 20.8VDC±5% 8000 Yes w/Boot 0.187”
SU-757B-1 Large Flange (Fig. 6) 20.8VDC±5% 8000 No 0.187”
SD-740B-1 Clamp (Fig. 3) 20.8VDC±5% 8000 No 0.120”
SN-763B-1 Automotive (Fig. 5) 20.8VDC±5% 8000 No 0.187”
DA-7533B-1 DA Mount (Fig. 8) 20.8VDC±5% 8000 No 0.3125”
B-Series—Tachometers Generators
7-24 volts/1000 RPM
B-Series tach generators are designed for applications requiring output voltages between 7 and
24 VDC/1000 RPM. The models listed are representative of the line, although we also offer
specials (not shown). As the case with the A-Series generators, the B-Series comes in instrument,
industrial, and automotive configurations. Instrument models have a 0.120” shaft; industrial,
a 0.187” shaft; and automotive, SAE mounting. General technical data applies to the B-Series also.
ELECTROMATE
Toll Free Phone (877) SERVO98
Toll Free Fax (877) SERV099
www.electromate.com
sales@electromate.com
Sold & Serviced By:
5. Subminiature Tachometers with 3VDC Outputs
Item Mounting (page 5) V/1000RPM RPM Max. Sealed Shaft Size
SU-780D-2 Large Flange (Fig. 6) 33VDC±5% 5000 No 0.187”
DA-7533D-1 DA Mount (Fig. 8) 45VDC±5% 5000 No 0.3125”
BA-7107D-1 Large Flange (Fig. 6) 45VDC±5% 5000 No 0.187”
CN-7480D-1 Large Flange (Fig. 6) 45VDC±5% 5000 No 0.3125”
CN-7546D-1 Large Flange (Fig. 6) 45VDC±5% 5000 No 0.3125”
SU-780D-1 Large Flange (Fig. 6) 45VDC±5% 5000 No 0.187”
ST-7346D-1J Face (Fig. 1) 50VDC±5% 5000 Yes w/boot 0.187”
SU-780D-1J Large Flange (Fig. 6) 50VDC±5% 5000 No 0.187”
98
Tachometers with 25–50VDC Outputs
D-Series—Tachometer Generators
25–50 volts DC/1000 RPM
With rugged construction and high output voltages, D-Series tachometer
generators are ideally suited to a variety of industrial applications.
The flange mounting provides a convenient assembly method, and the sturdy
0.187” diameter shaft permits the heavier loading frequently encountered
where pulleys or belt drives are employed. The output bearing is fitted with a
seal to help prevent the contamination that can occur in industrial applications.
With output up to 50 VDC/1000 RPM, D-Series generators are ideal for
applications where high output voltages are required. Typically, these are
slow-speed applications.
Item Mounting (page 5) V/1000RPM RPM Max. Sealed Shaft Size
SS-779E-1 Synchro (Fig. 7) 3.0VDC±5% 12000 No 0.120”
E-Series—Tachometers Generators
Subminiature Tachometer 3 VDC/1000 RPM
The E-Series generator is the smallest tachometer among those offering similar
technical characteristics. Many outstanding features make it particularly suitable
for use in all types of servo systems. Although the diameter is only 0.760”, the
E-Series provides a 3 VDC/1000 RPM output and linearity better than 0.1%
at 3600 RPM. With driving torque of only 0.25 oz-in., and inertia of just
0.25 x 10–4
oz-in. -sec2
. E-Series gives design advantages not available with
competitive units.
Low Ripple Tachometers 3VDC to 16VDC
F- and H-Series—Low Ripple Tachometer Generators
1–16 VDC/1000 RPM
ServoTek low-ripple tachometer generators satisfy the need for a low-cost, very
low-ripple tachometer. In addition to being the first economical of their type,
Series F and H tachometers incorporate all the desirable features of the ServoTek
generator line-temperature compensation, long brush life, excellent linearity, etc.
Item Mounting (page 5) V/1000RPM RPM Max. Shaft Size
CS-7514F-51C Face (Fig. 1) 3VDC±3% 12000 0.2495”
CS-7561F-51C Face (Fig. 1) 3VDC±3% 12000 0.2495”
SA-7356F-1 Face (Fig. 1) 7VDC±3% 12000 0.120”
SA-7388F-1 Face (Fig. 1) 7VDC±3% 12000 0.187”
SB-7483H-1 Flange (Fig. 2) 16VDC±3% 8000 0.187”
ELECTROMATE
Toll Free Phone (877) SERVO98
Toll Free Fax (877) SERV099
www.electromate.com
sales@electromate.com
Sold & Serviced By:
6. ServoTek Incremental Encoders
1110
Ruggedized Tachometers
ServoTek Pulser Option
The Pulser Option delivers a single digital pulse train to provide speed/position-control feedback from rotating tachometers.
The ServoTek pulser operates from an external supplied 4.5 to 15 VDC supply. The pulser option is available in four or
twelve well defined square-wave pulses per revolution. The output is separate from the standard tachometer outputs, and fits
on the back of all ServoTek tachometers with 1.135” diameter housing.
PM Series—Encoders, Rotary Shaft
Low Cost Rotary Shaft Incremental Encoders to 100 ppr.
When mounted to any rotating shaft, the PM Series Encoder provides a single channel
square wave output to speed/position control. The Encoder can be used to supply
digital feedback for motor speed control and speed indication. The small size of the
PM Series Encoder makes it easy to use where space is limited. The Screw Mount
design has a 10–32 threaded shaft that is easy to mount. Special mounting brackets
and couplings are not required. The Face Mount design has three tapped mounting
holes and a syncro groove.
Features:
• Rotary Shaft Design
• Screw Mount design has a 10–32 threaded shaft
• Can be used to supply a digital tachometer signal for motor speed control and speed indication
• Provides a single or dual channel digital signal up to 100 ppr.
• +5, +12, +15, or +24V varieties
• Operating temperatures from -40°C to +80°C
• Maximum speed of 12000 RPM
Complete Model Number: PMXX-YY-ZZ
PM X X YY ZZ
Series Mounting Shaft Size Pulses Voltage
A= Screw 1= 10–32 1, 2, 10, 12, +5VDC (standard)
B= Face 2= .187 30, 60, 100 +12, +15, +24VDC Available
3= .125
PT Series—Encoders, Hollow Shaft
Low Cost Modular Incremental Encoders to 200 ppr.
A completely new Optical Encoder is now available from ServoTek Products. OEM’s
and Motor Manufactures now have a simple, Low Cost Solution to their digital
feedback requirements. The new Encoder can replace a variety of more expensive
digital devices, as well as sensitive magnetic pickups that are difficult to mount.
Features:
• Hollow shaft design
• Incorporates the housing and hub into one assembly
• Eliminates the need for a coupling or complicated mounting procedure
• Can be used to supply a digital tachometer signal for motor speed control
and speed indication
• The small size, 2.0” dia., .900” long, makes it easy to use where space is limited
• Provides a single/dual channel digital signal up to 200 pulses per revolution
• Standard mounting hole centers are 1.500” and 1.812”
• Operating temperatures up to +80°C
• Maximum speed of 20,000 RPM
• Hub bore can accommodate mounting shaft diameters up to .251”
Complete Model Number: PTXX-YY-ZZ
PT X X YY ZZ
Series Mounting Centers Bore Size Pulses Voltage
A= 1.812” #4–40 1= .251 1, 2, 10, 12, +5VDC (standard)
B= 1.500” #6–32 2= .188 30, 60, 100 +12, +24VDC Available
Model# Mounting (page 5) V/1000RPM RPM Max. Shaft Size
ST-12970-1 Tach. Assembly (Fig. 9) 20.8VDC 8000 0.120”
ST-12970-12 Tach. Assembly (Fig. 9) 20.8VDC 8000 0.187”
ST-12970-19 Tach. Assembly (Fig. 9) 7.0VDC 12000 0.187”
ST-12970-22 Tach. Assembly (Fig. 9) 7.0VDC 12000 0.120”
ST-13212-1 Tach. Assembly (Fig. 9) 45.0VDC 5000 0.3125”
ST-13212-2 Tach. Assembly (Fig. 9) 20.8VDC 8000 0.3125”
ST-13212-9 Tach. Assembly (Fig. 9) 50.0VDC 5000 0.3125”
Tachometer/Pulser Units
A & F Series 2.859
B & H SERIES 3.296
D Series 4.372 Max.
1.135 Max.1.193 Max.
Pulser Option Dimensions (inches)
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7. ServoTek Tachsyn Transducer
1312
Model# Description
PMA1-02-05 ENCODER, 2 PULSE, 5 VOLT, 10–32 SCREW MOUNT
PMA1-100-05 ENCODER, 100 PULSE, 5 VOLT, 10–32 SCREW THD. MTD
PMA1-100-24 ENCODER, 100 PULSE, 24 VOLT, 10–32 SCREW MOUNT
PMA1-30-05-2 ENCODER, DUAL CHANNEL, 30 PULSE, 5 VOLT
PMA1-30-24-2 ENCODER, DUAL CHANNEL, 30 PULSE, 24 VOLT
PMA1-60-05 ENCODER, 60 PULSE, 5 VOLT, 10–32 SCREW MOUNT
PMB2-60-05 ENCODER, 60 PULSE, 5 VOLT, .187 SHAFT
PMB3-100-05-A ENCODER, 100 PULSE, 5 VOLT, .125 DIA SHAFT, WITH 4 PIN MOLEX CONNECTOR
PTA1-30-24 ENCODER, 30 PULSE, 24 VOLT
PTB1-100-05 ENCODER, 100 PULSE, 5 VOLT
PTB12-02-05 ENCODER, 2 PULSE, 5 VOLT, PUSH ON SHAFT
PTB12-100-24-D ENCODER, 2 CHANNEL, 100 PULSE, 24 VOLT, MTD 1.5 6–32
PTB12-30-05 ENCODER, 30 PULSE, 5 VOLT
PTB12-30-12 ENCODER, 30 PULSE, 12 VOLT
PTB2-02-05 ENCODER, 2 PULSE, 5 VOLT, MTD. 1.5 6–32
PTB2-30-05 ENCODER, 30 PULSE, 5 VOLT
PTB2-100-05 ENCODER, 100 PULSE, 5 VOLT
PTB2-12-05 ENCODER, 12 PULSE, 5 VOLT
PTB2-30-05-12 ENCODER, 2 CHANNEL, 30 PULSE, 5 VOLT, WITH 18” CABLE
PTB2-30-05-1B ENCODER, 2 CHANNEL, 30 PULSE, 5 VOLT, WITH 12” CABLE AND MOLEX CONNECTOR
PTB2-30-05-A ENCODER, 30 PULSE, 5 VOLT, WITH STUB SHAFT
PTB2-30-15-7 ENCODER, 30 PULSE, 15 VOLT
PTB2-30-24 ENCODER, 30 PULSE, 24 VOLT
PTB2-60-24-4 ENCODER, 2 CHANNEL, 60 PULSE, 24 VOLT
ServoTek Incremental Encoders
Tachsyn Series—DC Tachometers
Brushless DC Tachometer/Commutator
The Tachsyn tachometer/commutator are a unique transducer that can
be used as a brushless dc tachometer and/or as a brushless dc motor
commutator. The Tachsyn transducer is a magnetic sensing device in
which the output windings, field winding, and permanent magnet are all located in the stator, thus maximizing reliability. The very-low-
inertia
rotor has no windings, but is, instead, contoured with high- and low- reluctance poles.
Tachsyn transducers are available in models to commutate 4-, 6-, 8-pole brushless dc motors. Any size may be used when a simple tach
signal is all that is required. Pancake-shaped Tachsyn transducers are easily mounted, cantilever-style, to the back of a motor or other
device, with synchro-type adjustment for phasing. The Tachsyn tach/commutators offer an economical solution to many velocity-loop
problems, whether brushless or standard servo.
Features:
• Can be used as a brushless dc tachometer and/or as a brushless dc motor commutator
• Very-low-inertia rotor has no windings, but is, instead, contoured with high- and low-reluctance poles
• The CT4 circuit board completes the Tachsyn signal conditioning and may be housed up to 100 feet from the hot-running motor,
leaving only the non-electronic transducer to take the heat
• The CT4 circuit provides ac field excitation for the transducer, as well as condition for its output signals
• Output signals include a linear, low-ripple dc tachometer voltage and either hall-equivalent or sine wave commutation signals
• Tachsyn transducers are available in models to commutate 4-, 6-, 8-pole brushless dc motors
• Tachsyn tach/commutators offer an economical solution to many velocity-loop problems, whether brushless or standard servo
General Information:
Each Tachsyn Transducer requires one CT4 Series circuit board, or customer-built equivalent, connecting cable with doable barreled
shield. Standard configurations are normally in stock.
How to determine which circuit board is best for your application:
First determine the Tach output as follows
(Figure in multiplier Column, page 14):
X (Your Speed in Thousands of RPM) X (Volts/1000 RPM from TACHSYN, below)
If, at the top speed, the calculated voltage exceeds bus-1 VDC, then select a lower output multiplier in the right column and recalculate.
For the best signal-to-ambient-noise ratio in slow speed applications, select the maximum multiplier which will not exceed bus-1 VDC.
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8. Output Waveforms
1514
SIGNAL CONDITIONING BOARDS:
Hall-equivalent
Output
Output Multiplier Sinusoidal Output Output Multiplier
CT-405 0.5 CT-405S 0.5
CT-410 1.0 CT-410S 1.0
CT-415 1.5 CT-415S 1.5
CT-425 2.5 CT-425S 2.5
CT-440 4.0 CT-440S 4.0
Model# Poles Gain Volts/1000 RPM
T4421WAB
(For CT3 boards only)
4 1.15 1.0VDC±10%
T4421WAC 4 1.00 1.0VDC±10%
T5400WAC 4 1.00 1.0VDC±10%
T5400WAC-R with rotor 4 1.00 1.0VDC±10%
T6621WAC 6 1.00 1.5VDC±10%
Series T4421 Tachsyn Transducer with CT-440, at 1800 RPM. One revolution shown between bold vertical lines.
Note: ADD “-R” to part number to include rotor
20.00 V/DIV 5.00ms/DIV
2.00 V/DIV 5.00ms/DIV
1.00 V/DIV 5.00ms/DIV
5.00ms/DIV
CH1
CH2
CH3
CH1
CH2
CH3
CH1
CH2
CH3
7.35 VDC
OVDC
200m V/DIV
5 V/DIV
DC tach output from CT-440 relative to
zero volts. Scope is dc coupled.
Tach output from CT-440. Shown with
scope ac coupled to amplify the ripple.
Raw three-phase
Tachsyn Transducer output
with PM field and ac excitation.
Three-phase sine wave
output from CT-440.
Three-phase Hall-equivalent
output from CT-440.
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9. Part# Description
ST-9502-1 SILICON RUBBER COUPLING
ST-9502-2 RUBBER COUPLING
Part# Description
ST-9776-1 RUBBER COUPLING .120 X .120
ST-9776-2 RUBBER COUPLING .1875 X .1875
ST-9776-3 RUBBER COUPLING .250 DIA. 1/4”
ST-9776-4 RUBBER COUPLING .312 DIA.
ST-9776-5 COUPLING .120 X .1875 DIA.
ST-9776-6 COUPLING .120 X .250 DIA.
ST-9776-7 COUPLING .120 X .312 DIA.
ST-9776-8 COUPLING .1875 X .250 DIA.
ST-9776-9 COUPLING .1875 X .312. DIA.
ST-9776-10 RUBBER COUPLING .250 X .312
ST-9776-11 RUBBER COUPLING 8MM X .187
ST-9776-12 RUBBER COUPLING .375 X .187
ST-9776-13 COUPLING .120 X .375
ST-9776-14 COUPLING .250 X .375
ST-9776-15 COUPLING .120 X .355
Part# Description
ST-13063-1 RUBBER BOOT
ST-13063-2 BOOT-SILICONE RUBBER, GRAY
ST-13927-1 ASSY-BRUSH
Rubber Couplings
Shaft Couplings
Common Parts
16
LTSTRC900 -1013/1000
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