Dynalco SWT-2000 User Manual

SWT-2000

Frequency Measurement and

Switching Instrument

Operating Manual

3690 NW 53

rd

Street • Fort Lauderdale, FL 33309 • Ph 954-739-4300 • Fax [phone] • www.dynalco.com

TABLE OF CONTENTS

1. Product Features 1

2. Specifications 2

2.1 General 2

2.2 Inputs 2

2.2.1 Sensor Inputs 2

2.3 Binary Inputs 5

2.4 Outputs 5

2.4.1 Analog Outputs 5

2.4.2 Relays Outputs 6

2.4.3 Open Collector Outputs 7

2.5 Data Communication 7

2.5.1 Ethernet 7

2.6 Environment 7

2.6.1 Climatic Conditions 7

2.6.2 Electromagnetic Immunity 7

3. Principle of Operation 8

3.1 General 8

3.2 Machine Factor 8

4. Installation 9

5. Connections 9

5.1 Front View 9

5.1.1 Front View 9

5.1.2 Terminal A 10

5.1.3 Terminal B 11

6. Configuration via PC Software 12

6.1 Software Concept 12

6.2 PC Settings 12

6.3 Download Configuration Software 12

6.4 Configuration Software 13

6.4.2 Log in 13

6.4.3 Main Window and System Limit Matrix 13

6.4.4 Logging In and Out 13

6.5 Configuration File 13

6.5.1 ... creating new 13

6.5.2 ... resetting to factory default 14

6.5.3 ... loading 14

6.5.4 ... saving 14

6.5.5 ... printout 14

6.6 Communication with the SWT-2000 14

6.6.1 Read Measured Data 14

6.6.2 Reading Configuration from the SWT-2000 14

6.6.3 Writing a Configuration to the SWT-2000 15

6.6.4 Compare Data 15

6.7 Configuring 15

6.7.1 Speed Sensors 15

6.7.2 Binary Input Configuration 16

6.7.3 Set Measurement Interval 16

6.7.4 Sensor Alarm 16

6.7.5 Machine Factor 17

6.7.6 Dynamic Error 17

6.7.7 Math Function 18

6.7.8 System Limit 19

6.7.9 Relay Outputs 20

6.7.10 Open Collector Outputs 20

6.7.11 Analog Output 21

6.7.12 Copy Parameter Set 22

6.7.13 Change-Over Delay 22

6.8 Settings 22

6.8.1 Ethernet Interface 22

6.8.2 Changing the Password 23

6.9 Info 23

7. Behavior 24

7.1 Power On 24

7.1.1 Analog Output 24

7.1.2 Relay Output 24

7.1.3 Open Collector Output 24

7.2 Frequency Measurement 25

7.2.1 The Adaptive Trigger Level 25

7.2.2 Signal Failure 26

7.3 Functions 26

7.3.1 "FUNC" Push Button 26

7.3.2 Parameter Sets A, B, C and D 26

7.3.3 Limits 26

7.3.4 Math Function 27

7.3.5 Frequency X2 and X4 28

7.3.6 Relay and Open Collector Latch Function 28

7.3.7 Analog Output 28

7.3.8 Interpretation of System Limit Inputs 29

7.4 Fault Behavior 29

7.4.1 Sensor Error 29

7.4.2 System Alarm 29

7.5 Power Failure 29

7.6 Behavior During Configuration 29

8. Mechanical Construction / Housing 30

8.2 Mounting 30

9. Accessories 31

Copyright © 2009 Dynalco. All rights reserved.
Part Number: SWT-2000
SWT-2000 Rev. 1, June 2009

Operating Instructions SWT-2000 DYNALCO

1. Product Features

The model SWT-2000 measures and monitors frequency signals (speed proportional values) in the
range 0.025Hz to 50,000Hz.

Available are:

• 2 Frequency Inputs (Speed sensors)

• 2 Analog outputs

• 2 Binary input

• 4 Relays

• 2 Open Collector Outputs

• 4 Parameter sets each having 6 System limits with 4 Limit values

• Sensor monitoring

• System monitoring

The SWT-2000 is configured via Computer (PC) using resident operating software.

2 models are available:

SWT-2000: 2 channel Speed Switch / Transmitter with 4 Relays and 2 Analog outputs 0/4-20mA
SWT-2000AC: (AC Version)
SWT-2000DC: (DC Version)

1

Operating Instructions SWT-2000 DYNALCO

2. Specifications

2.1 General

Measurement time 2ms / 5ms / 10ms / 20ms / 50ms / 100ms / 200ms / 500ms / 1s / 2s / 5s

(Frequency measurements might take longer than the predefined measurement
time)

Supply voltage

Isolation

Power consumption

Power supply bridging

Weight

Sealing to DIN
EN 60529

AC Version
DC Version 18…36 VDC
AC Version 3000 VAC (from AC/DC power supply) Isolation voltage
DC Version 1500 VDC (from DC/DC converter)
Galvanic isolation between:

• Supply

• Sensor input incl. sensor supply

• Binary input 1

• Binary input 2

• Analog output 1

• Analog output 2

• Relay outputs

• Open Collector output 1

• Open Collector output 2

• Ethernet interface

P Min. (W) P Max. (W)

18 VDC

DC Version

AC Version

DC Version

AC Version

AC Version -25°C…+50°C Operating temperature
DC Version -40°C…+70°C
AC Version Storage temperature
DC Version
AC Version
DC Version

IP 20

24 VDC
36 VDC
110 VAC
230 VAC
18 VDC
24 VDC
36 VDC
110 VAC
230 VAC

90…264 VAC (47...63 Hz) / 120VDC … 370VDC

3.3 6.6

3.4 6.7

3.5 6.8

5.0 11.0

8.0 14.0

> 20ms

> 20ms

-40°C…+85°C

430g
390g

2.2 Inputs

2.2.1 Sensor Inputs

An overview how different sensor can be connected is in chapter 5.1.2 Terminal A

Number 2
Frequency range (-3dB) 0.025 Hz … 50 KHz
Measurement range Programmable within the frequency range
Measurement accuracy 0.002 %
Resolution
(Frequency)
Input impedance

10 ns

> 11.5 kΩ

(0.1 Hz

Æ

80 kΩ, 1 KHzÆ18.5 kΩ, 10 KHzÆ16 kΩ, 50 KHzÆ11.6 kΩ)

2

Operating Instructions SWT-2000 DYNALCO

Input signal for fixed 3V
trigger (+/-15%)

• Max. Voltage: 80V

(226Vpp)

RMS

• Best suited to digital signals

• Schmitt Trigger Input (Hysteresis > 1V)

• „0“ = Low Level to 1.25V

• „1“ = High level from 3V (+/- 15%)

• Min. Pulse width: 5μs

• NO DC- decoupling

Input signal for adaptive
trigger min. 57mVpp
(+/-10%) 20mV

RMS

• Max. Voltage: 80V

• DC- decoupling

• The Trigger level automatically adapts itself to the input signal in the range

+28.5mV to +2V. The Adaptive Trigger improves the signal to noise immunity

(226Vpp)

RMS

e.g. where electromagnetic sensors are used.

1000.00

100.00

10.00

Min. Trigger level: 57 mVpp +/-10% = 20 mV

+/-10% U min. = f(Frequency)

RMS

O.K

1.00

Sensor Signal (Vpp)

0.10

NOT O . K.

0.01

0.01

0.1

1

10

Frequency (Hz)

100

1000

10000

100000

3

Operating Instructions SWT-2000 DYNALCO

Input signal for adaptive
trigger min. 500mVpp
(+/-10%) 180mV

RMS

• Max. Voltage: 80V

• DC- decoupling

• The Trigger level automatically adapts itself to the input signal in the range

(226Vpp)

RMS

+250mV to +2V. The Adaptive Trigger improves the signal to noise immunity
e.g. where electromagnetic sensors are used.

Min. Trigger level: 500 mVpp +/-10% = 180 mV

1000.0

100.0

10.0

Sensor Signal (V pp)

1.0

+/-10% U min. = f(Frequency)

RMS

O.K.

Sensor supply

NOT O . K.

0.1

0.01

0.1

1

10

Frequency (Hz)

100

1000

10000

• +14V +/- 0.5V, max. 35mA / Short circuit proof

• If the current limit has been activated, then the circuit needs to be

disconnected to reset the protection.

Typical voltage curve as a function of sensor current

14.8

14.6

14.4

14.2

Sensor voltage (V)

14.0

13.8

Sensor voltage = f (Sensor current)

100000

13.6

0 5 10 15 20 25 30 35 40 45

Sensor current (mA)

Integral pull up resistor

1000Ω to +14V (Only for 2 wire active e.g. NAMUR sensors)

Screen Terminals are provided for each sensor cable screen (Sh1 and Sh2). These

terminals are internally connected to the sensor input / supply 0V.

4

Operating Instructions SWT-2000 DYNALCO

Sensor monitoring 3 sensor monitoring settings are available in the configuration software:

• No Sensor Monitoring

• Monitoring of supplied sensors (active Sensor Types)
[Also for 2 wire sensors that are supplied via the internal Pull-up resistor (1kΩ)

Æ Sensors drawing current outside of I

= 0.5…35mA

I

min

I

= 0.5…35mA

max

min

or I

are considered to be faulty.

max

• Monitoring of non powered sensors (passive Sensor Types)
[For 2 wire sensors such as electromagnetic sensors.]
Æ The sensor is considered to be faulty if the line is broken.
Here the sensor impedance is dynamically measured.
Z < 60 kΩ = OK
Z > 125 kΩ = NOT OK

2.3 Binary Inputs

Number 2 Active Binary Inputs and 1 push button (FUNC – logic OR with Binary input B1)
Level Logic 0 = 0V….+5V

Logic 1 = +15V….+36V
Isolation voltage 1500 V
Input resistance

R

min

RMS

= 8.2 kΩ

2.4 Outputs

2.4.1 Analog Outputs

Number 2 Analog outputs
Isolation voltage 1000 VDC
Output type Current (selectable 0…20 / 4…20mA)
Load
Open circuit voltage Max. 15V
Typical error curve

Max. 500Ω

1

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0

-0.1

-0.2

-0.3

Measurement error (% )

-0.4

-0.5

-0.6

-0.7

-0.8

-0.9

-1

0.00E+00

CLASS 0.1 % (from End Value)

1.00E-03

2.00E-03

3.00E-03

4.00E-03

5.00E-03

6.00E-03

7.00E-03

8.00E-03

0.2 % (from measured value) + 2 LSB

9.00E-03

1.00E-02

1.10E-02

1.20E-02

1.30E-02

1.40E-02

I (A)

1.50E-02

1.60E-02

1.70E-02

1.80E-02

1.90E-02

2.00E-02

5

Operating Instructions SWT-2000 DYNALCO

0

Mode

[mA]

21

20.5
2

12

Mode

4...20mA

Fai l ur e le vel

0 … 20mA

4

2

0

Startvalue Endvalue

0...20mA

Transfer Functions Start value < or > End value

Startvalue < Endvalue

Output

Outputvalue

Output

Resolution 14 Bit (16384 increments)
Max. Linearity error 2 LSB (Least Significant Bit) ca. 2.7uA
Measuring error Max. 0.15 % f.m.v. + 2 LSB (-25°C Æ +50°C)

Max. 0.20 % f.m.v. + 2 LSB (-40°C Æ +70°C)
Accuracy class 0.1 % of the end value
Damping Hardware time constant T = 4.1 ms

10% Æ90% = 8.6 ms (Hardware)

Actual time = Hardware time constant + Software setting (configuration)
Temperature Drift Typ.: 50 ppm/K, max. 120 ppm/K

2.4.2 Rela ys Outputs

Number 4
Type Single Pole Double Throw (SPDT)
Functions

Relay - max. switching
current

• May be assigned to System Limit 1..6, Sensor Alarm, Static error Sensor 1 or

2, dynamic error, always on or off.

• With or without Hold function (Reset via Binary input)

• Fail Safe or Not Fail Safe

Startvalue > Endvalue

Outputvalue

Fe hler level

4 … 20mA

Output

Value

6

Operating Instructions SWT-2000 DYNALCO

Reaction time Effective Measurement interval + max 6 ms
Contact resistance
Contact isolation 1500 VAC (coil to contact)

50 mΩ Max. (Initial contact)

1000 VAC (between open contacts)

2.4.3 Open Collector Outputs

Number 2 Open Collector outputs
Type Opto-coupler (passive)
External resistance IC nominal = 15mA (R

IC max. = 30mA
Reaction time

Load voltage V = 5VDC…36VDC
Isolation voltage 1500 VAC
Functions

Inverting Open collector output frequencies are in phase with the input signal.

• As Frequency output: <30 us

• Effective Measurement interval + max 30 us

• May be assigned to System Limit 1..6, Sensor Alarm, Static error Sensor 1 or

2, dynamic error, always on or off.

• With or without Hold function (Reset via Binary input)

• Frequency Sensor 1 or 2, Frequency x2, Frequency x4 (subject to phase shift)

• Fail Safe or Not Fail Safe

= V / I) Example: V = 24 V

Pull-up

Æ

R = 1.6 kΩ

2.5 Data Communication

2.5.1 Ethernet

Number 1
Physical Layer Ethernet 10Base-T, IEEE 802.3i
Max cable length 100 m
Transmission rate 10 MBit/s
Connection Front panel, 8P8C (RJ45)
Usage Configuration and measurement status
Protocol Peer to Peer
Connecting cable Use a crossover cable

2.6 Environment

2.6.1 Climatic Conditions

Standard DIN 40 040
Operating temperature See 2.1 General
Storage temperature See 2.1 General
Relative Humidity

2.6.2 Elec tromagnetic Immunity

Electrostatic discharge EN 61000-4-2 Contact 6 kV, air 8 kV
Electromagnetic fields

Fast transients EN 61000-4-4 2 kV, repeated 5 kHz duration 15 ms period 300 ms

Slow transients EN 61000-4-5 Line / line +/- 1kV, earth line +/- 2kV, 1 per minute
Conducted HF EN 61000-4-6 3 V eff (180 dBuV) 10 kHz – 80 MHz
Mains frequency
Magnetic field
Voltage dips

• 75% average over 1 year; to 90% for max. 30 days.

• Condensation to be avoided.

EN 61000-4-3

EN 61000-4-8 50 Hz, 100 A/m 2 minutes

EN 61000-4-11

30 V/m, not modulated and AM 80 % with 1000Hz Sinus
wave

Voltage dips, short interruptions and voltage variations
immunity tests

7